, etc). // Note that 0-opacity, off-screen etc elements are still considered "visible" // for this function // // Parameters: // parent - The parent DOM element to search within // // Returns: // An array with all "visible" elements. var getVisibleElements = this.getVisibleElements = function(parent) { if (!parent) parent = $(svgcontent).children(); // Prevent layers from being included var contentElems = []; $(parent).children().each(function(i, elem) { try { if (elem.getBBox()) { contentElems.push(elem); } } catch(e) {} }); return contentElems.reverse(); }; // Function: getVisibleElementsAndBBoxes // Get all elements that have a BBox (excludes <defs>, <title>, etc). // Note that 0-opacity, off-screen etc elements are still considered "visible" // for this function // // Parameters: // parent - The parent DOM element to search within // // Returns: // An array with objects that include: // * elem - The element // * bbox - The element's BBox as retrieved from getStrokedBBox var getVisibleElementsAndBBoxes = this.getVisibleElementsAndBBoxes = function(parent) { if (!parent) parent = $(svgcontent).children(); // Prevent layers from being included var contentElems = []; $(parent).children().each(function(i, elem) { try { if (elem.getBBox()) { contentElems.push({'elem':elem, 'bbox':getStrokedBBox([elem])}); } } catch(e) {} }); return contentElems.reverse(); }; // Function: groupSvgElem // Wrap an SVG element into a group element, mark the group as 'gsvg' // // Parameters: // elem - SVG element to wrap var groupSvgElem = this.groupSvgElem = function(elem) { var g = document.createElementNS(NS.SVG, "g"); elem.parentNode.replaceChild(g, elem); $(g).append(elem).data('gsvg', elem)[0].id = getNextId(); }; // Function: copyElem // Create a clone of an element, updating its ID and its children's IDs when needed // // Parameters: // el - DOM element to clone // // Returns: The cloned element var copyElem = function(el) { // manually create a copy of the element var new_el = document.createElementNS(el.namespaceURI, el.nodeName); $.each(el.attributes, function(i, attr) { if (attr.localName != '-moz-math-font-style') { new_el.setAttributeNS(attr.namespaceURI, attr.nodeName, attr.nodeValue); } }); // set the copied element's new id new_el.removeAttribute("id"); new_el.id = getNextId(); // Opera's "d" value needs to be reset for Opera/Win/non-EN // Also needed for webkit (else does not keep curved segments on clone) if (svgedit.browser.isWebkit() && el.nodeName == 'path') { var fixed_d = pathActions.convertPath(el); new_el.setAttribute('d', fixed_d); } // now create copies of all children $.each(el.childNodes, function(i, child) { switch(child.nodeType) { case 1: // element node new_el.appendChild(copyElem(child)); break; case 3: // text node new_el.textContent = child.nodeValue; break; default: break; } }); if ($(el).data('gsvg')) { $(new_el).data('gsvg', new_el.firstChild); } else if ($(el).data('symbol')) { var ref = $(el).data('symbol'); $(new_el).data('ref', ref).data('symbol', ref); } else if (new_el.tagName == 'image') { preventClickDefault(new_el); } return new_el; }; // Set scope for these functions var getId, getNextId, call; (function(c) { // Object to contain editor event names and callback functions var events = {}; getId = c.getId = function() { return getCurrentDrawing().getId(); }; getNextId = c.getNextId = function() { return getCurrentDrawing().getNextId(); }; // Function: call // Run the callback function associated with the given event // // Parameters: // event - String with the event name // arg - Argument to pass through to the callback function call = c.call = function(event, arg) { if (events[event]) { return events[event](this, arg); } }; // Function: bind // Attaches a callback function to an event // // Parameters: // event - String indicating the name of the event // f - The callback function to bind to the event // // Return: // The previous event c.bind = function(event, f) { var old = events[event]; events[event] = f; return old; }; }(canvas)); // Function: canvas.prepareSvg // Runs the SVG Document through the sanitizer and then updates its paths. // // Parameters: // newDoc - The SVG DOM document this.prepareSvg = function(newDoc) { this.sanitizeSvg(newDoc.documentElement); // convert paths into absolute commands var paths = newDoc.getElementsByTagNameNS(NS.SVG, "path"); for (var i = 0, len = paths.length; i < len; ++i) { var path = paths[i]; path.setAttribute('d', pathActions.convertPath(path)); pathActions.fixEnd(path); } }; // Function: ffClone // Hack for Firefox bugs where text element features aren't updated or get // messed up. See issue 136 and issue 137. // This function clones the element and re-selects it // TODO: Test for this bug on load and add it to "support" object instead of // browser sniffing // // Parameters: // elem - The (text) DOM element to clone var ffClone = function(elem) { if (!svgedit.browser.isGecko()) return elem; var clone = elem.cloneNode(true); elem.parentNode.insertBefore(clone, elem); elem.parentNode.removeChild(elem); selectorManager.releaseSelector(elem); selectedElements[0] = clone; selectorManager.requestSelector(clone).showGrips(true); return clone; }; // this.each is deprecated, if any extension used this it can be recreated by doing this: // $(canvas.getRootElem()).children().each(...) // this.each = function(cb) { // $(svgroot).children().each(cb); // }; // Function: setRotationAngle // Removes any old rotations if present, prepends a new rotation at the // transformed center // // Parameters: // val - The new rotation angle in degrees // preventUndo - Boolean indicating whether the action should be undoable or not this.setRotationAngle = function(val, preventUndo) { // ensure val is the proper type val = parseFloat(val); var elem = selectedElements[0]; var oldTransform = elem.getAttribute("transform"); var bbox = svgedit.utilities.getBBox(elem); var cx = bbox.x+bbox.width/2, cy = bbox.y+bbox.height/2; var tlist = svgedit.transformlist.getTransformList(elem); // only remove the real rotational transform if present (i.e. at index=0) if (tlist.numberOfItems > 0) { var xform = tlist.getItem(0); if (xform.type == 4) { tlist.removeItem(0); } } // find R_nc and insert it if (val != 0) { var center = svgedit.math.transformPoint(cx, cy, svgedit.math.transformListToTransform(tlist).matrix); var R_nc = svgroot.createSVGTransform(); R_nc.setRotate(val, center.x, center.y); if (tlist.numberOfItems) { tlist.insertItemBefore(R_nc, 0); } else { tlist.appendItem(R_nc); } } else if (tlist.numberOfItems == 0) { elem.removeAttribute("transform"); } if (!preventUndo) { // we need to undo it, then redo it so it can be undo-able! :) // TODO: figure out how to make changes to transform list undo-able cross-browser? var newTransform = elem.getAttribute("transform"); elem.setAttribute("transform", oldTransform); changeSelectedAttribute("transform", newTransform, selectedElements); call("changed", selectedElements); } var pointGripContainer = svgedit.utilities.getElem("pathpointgrip_container"); // if (elem.nodeName == "path" && pointGripContainer) { // pathActions.setPointContainerTransform(elem.getAttribute("transform")); // } var selector = selectorManager.requestSelector(selectedElements[0]); selector.resize(); selector.updateGripCursors(val); }; // Function: recalculateAllSelectedDimensions // Runs recalculateDimensions on the selected elements, // adding the changes to a single batch command var recalculateAllSelectedDimensions = this.recalculateAllSelectedDimensions = function() { var text = (current_resize_mode == "none" ? "position" : "size"); var batchCmd = new svgedit.history.BatchCommand(text); var i = selectedElements.length; while (i--) { var elem = selectedElements[i]; // if (svgedit.utilities.getRotationAngle(elem) && !svgedit.math.hasMatrixTransform(getTransformList(elem))) continue; var cmd = svgedit.recalculate.recalculateDimensions(elem); if (cmd) { batchCmd.addSubCommand(cmd); } } if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); call("changed", selectedElements); } }; // this is how we map paths to our preferred relative segment types var pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a', 'H', 'h', 'V', 'v', 'S', 's', 'T', 't']; // Debug tool to easily see the current matrix in the browser's console var logMatrix = function(m) { console.log([m.a, m.b, m.c, m.d, m.e, m.f]); }; // Root Current Transformation Matrix in user units var root_sctm = null; // Group: Selection // Function: clearSelection // Clears the selection. The 'selected' handler is then called. // Parameters: // noCall - Optional boolean that when true does not call the "selected" handler var clearSelection = this.clearSelection = function(noCall) { if (selectedElements[0] != null) { var len = selectedElements.length; for (var i = 0; i < len; ++i) { var elem = selectedElements[i]; if (elem == null) break; selectorManager.releaseSelector(elem); selectedElements[i] = null; } // selectedBBoxes[0] = null; } if (!noCall) call("selected", selectedElements); }; // TODO: do we need to worry about selectedBBoxes here? // Function: addToSelection // Adds a list of elements to the selection. The 'selected' handler is then called. // // Parameters: // elemsToAdd - an array of DOM elements to add to the selection // showGrips - a boolean flag indicating whether the resize grips should be shown var addToSelection = this.addToSelection = function(elemsToAdd, showGrips) { if (elemsToAdd.length == 0) { return; } // find the first null in our selectedElements array var j = 0; while (j < selectedElements.length) { if (selectedElements[j] == null) { break; } ++j; } // now add each element consecutively var i = elemsToAdd.length; while (i--) { var elem = elemsToAdd[i]; if (!elem || !svgedit.utilities.getBBox(elem)) continue; if (elem.tagName === 'a' && elem.childNodes.length === 1) { // Make "a" element's child be the selected element elem = elem.firstChild; } // if it's not already there, add it if (selectedElements.indexOf(elem) == -1) { selectedElements[j] = elem; // only the first selectedBBoxes element is ever used in the codebase these days // if (j == 0) selectedBBoxes[0] = svgedit.utilities.getBBox(elem); j++; var sel = selectorManager.requestSelector(elem); if (selectedElements.length > 1) { sel.showGrips(false); } } } call("selected", selectedElements); if (showGrips || selectedElements.length == 1) { selectorManager.requestSelector(selectedElements[0]).showGrips(true); } else { selectorManager.requestSelector(selectedElements[0]).showGrips(false); } // make sure the elements are in the correct order // See: http://www.w3.org/TR/DOM-Level-3-Core/core.html#Node3-compareDocumentPosition selectedElements.sort(function(a, b) { if (a && b && a.compareDocumentPosition) { return 3 - (b.compareDocumentPosition(a) & 6); } if (a == null) { return 1; } }); // Make sure first elements are not null while (selectedElements[0] == null) selectedElements.shift(0); }; // Function: selectOnly() // Selects only the given elements, shortcut for clearSelection(); addToSelection() // // Parameters: // elems - an array of DOM elements to be selected var selectOnly = this.selectOnly = function(elems, showGrips) { clearSelection(true); addToSelection(elems, showGrips); }; // TODO: could use slice here to make this faster? // TODO: should the 'selected' handler // Function: removeFromSelection // Removes elements from the selection. // // Parameters: // elemsToRemove - an array of elements to remove from selection var removeFromSelection = this.removeFromSelection = function(elemsToRemove) { if (selectedElements[0] == null) { return; } if (elemsToRemove.length == 0) { return; } // find every element and remove it from our array copy var newSelectedItems = new Array(selectedElements.length); j = 0, len = selectedElements.length; for (var i = 0; i < len; ++i) { var elem = selectedElements[i]; if (elem) { // keep the item if (elemsToRemove.indexOf(elem) == -1) { newSelectedItems[j] = elem; j++; } else { // remove the item and its selector selectorManager.releaseSelector(elem); } } } // the copy becomes the master now selectedElements = newSelectedItems; }; // Function: selectAllInCurrentLayer // Clears the selection, then adds all elements in the current layer to the selection. this.selectAllInCurrentLayer = function() { var current_layer = getCurrentDrawing().getCurrentLayer(); if (current_layer) { current_mode = "select"; selectOnly($(current_group || current_layer).children()); } }; // Function: getMouseTarget // Gets the desired element from a mouse event // // Parameters: // evt - Event object from the mouse event // // Returns: // DOM element we want var getMouseTarget = this.getMouseTarget = function(evt) { if (evt == null) { return null; } var mouse_target = evt.target; // if it was a <use>, Opera and WebKit return the SVGElementInstance if (mouse_target.correspondingUseElement) mouse_target = mouse_target.correspondingUseElement; // for foreign content, go up until we find the foreignObject // WebKit browsers set the mouse target to the svgcanvas div if ([NS.MATH, NS.HTML].indexOf(mouse_target.namespaceURI) >= 0 && mouse_target.id != "svgcanvas") { while (mouse_target.nodeName != "foreignObject") { mouse_target = mouse_target.parentNode; if (!mouse_target) return svgroot; } } // Get the desired mouse_target with jQuery selector-fu // If it's root-like, select the root var current_layer = getCurrentDrawing().getCurrentLayer(); if ([svgroot, container, svgcontent, current_layer].indexOf(mouse_target) >= 0) { return svgroot; } var $target = $(mouse_target); // If it's a selection grip, return the grip parent if ($target.closest('#selectorParentGroup').length) { // While we could instead have just returned mouse_target, // this makes it easier to indentify as being a selector grip return selectorManager.selectorParentGroup; } while (mouse_target.parentNode !== (current_group || current_layer)) { mouse_target = mouse_target.parentNode; } // // // go up until we hit a child of a layer // while (mouse_target.parentNode.parentNode.tagName == 'g') { // mouse_target = mouse_target.parentNode; // } // Webkit bubbles the mouse event all the way up to the div, so we // set the mouse_target to the svgroot like the other browsers // if (mouse_target.nodeName.toLowerCase() == "div") { // mouse_target = svgroot; // } return mouse_target; }; // Mouse events (function() { var d_attr = null, start_x = null, start_y = null, r_start_x = null, r_start_y = null, init_bbox = {}, freehand = { minx: null, miny: null, maxx: null, maxy: null }, sumDistance = 0, controllPoint2 = {x:0, y:0}, controllPoint1 = {x:0, y:0}, start = {x:0, y:0}, end = {x:0, y:0}, parameter, nextParameter, bSpline = {x:0, y:0}, nextPos = {x:0, y:0}, THRESHOLD_DIST = 0.8, STEP_COUNT = 10; var getBsplinePoint = function(t) { var spline = {x:0, y:0}, p0 = controllPoint2, p1 = controllPoint1, p2 = start, p3 = end, S = 1.0 / 6.0, t2 = t * t, t3 = t2 * t; var m = Array ( Array(-1, 3, -3, 1), Array(3, -6, 3, 0), Array(-3, 0, 3, 0), Array(1, 4, 1, 0) ); spline.x = S * ( (p0.x * m[0][0] + p1.x * m[0][1] + p2.x * m[0][2] + p3.x * m[0][3] ) * t3 + (p0.x * m[1][0] + p1.x * m[1][1] + p2.x * m[1][2] + p3.x * m[1][3] ) * t2 + (p0.x * m[2][0] + p1.x * m[2][1] + p2.x * m[2][2] + p3.x * m[2][3] ) * t + (p0.x * m[3][0] + p1.x * m[3][1] + p2.x * m[3][2] + p3.x * m[3][3] ) ); spline.y = S * ( (p0.y * m[0][0] + p1.y * m[0][1] + p2.y * m[0][2] + p3.y * m[0][3] ) * t3 + (p0.y * m[1][0] + p1.y * m[1][1] + p2.y * m[1][2] + p3.y * m[1][3] ) * t2 + (p0.y * m[2][0] + p1.y * m[2][1] + p2.y * m[2][2] + p3.y * m[2][3] ) * t + (p0.y * m[3][0] + p1.y * m[3][1] + p2.y * m[3][2] + p3.y * m[3][3] ) ); return { x:spline.x, y:spline.y }; }; // - when we are in a create mode, the element is added to the canvas // but the action is not recorded until mousing up // - when we are in select mode, select the element, remember the position // and do nothing else var mouseDown = function(evt) { if (canvas.spaceKey || evt.button === 1) return; var right_click = evt.button === 2; if (evt.altKey) { // duplicate when dragging svgCanvas.cloneSelectedElements(0, 0); } root_sctm = $('#svgcontent g')[0].getScreenCTM().inverse(); var pt = svgedit.math.transformPoint( evt.pageX, evt.pageY, root_sctm ), mouse_x = pt.x * current_zoom, mouse_y = pt.y * current_zoom; evt.preventDefault(); if (right_click) { current_mode = "select"; lastClickPoint = pt; } // This would seem to be unnecessary... // if (['select', 'resize'].indexOf(current_mode) == -1) { // setGradient(); // } var x = mouse_x / current_zoom, y = mouse_y / current_zoom, mouse_target = getMouseTarget(evt); if (mouse_target.tagName === 'a' && mouse_target.childNodes.length === 1) { mouse_target = mouse_target.firstChild; } // real_x/y ignores grid-snap value var real_x = r_start_x = start_x = x; var real_y = r_start_y = start_y = y; if (curConfig.gridSnapping){ x = svgedit.utilities.snapToGrid(x); y = svgedit.utilities.snapToGrid(y); start_x = svgedit.utilities.snapToGrid(start_x); start_y = svgedit.utilities.snapToGrid(start_y); } // if it is a selector grip, then it must be a single element selected, // set the mouse_target to that and update the mode to rotate/resize if (mouse_target == selectorManager.selectorParentGroup && selectedElements[0] != null) { var grip = evt.target; var griptype = elData(grip, "type"); // rotating if (griptype == "rotate") { current_mode = "rotate"; } // resizing else if (griptype == "resize") { current_mode = "resize"; current_resize_mode = elData(grip, "dir"); } mouse_target = selectedElements[0]; } startTransform = mouse_target.getAttribute("transform"); var tlist = svgedit.transformlist.getTransformList(mouse_target); switch (current_mode) { case "select": started = true; current_resize_mode = "none"; if (right_click) started = false; if (mouse_target != svgroot) { // if this element is not yet selected, clear selection and select it if (selectedElements.indexOf(mouse_target) == -1) { // only clear selection if shift is not pressed (otherwise, add // element to selection) if (!evt.shiftKey) { // No need to do the call here as it will be done on addToSelection clearSelection(true); } addToSelection([mouse_target]); justSelected = mouse_target; pathActions.clear(); } // else if it's a path, go into pathedit mode in mouseup if (!right_click) { // insert a dummy transform so if the element(s) are moved it will have // a transform to use for its translate for (var i = 0; i < selectedElements.length; ++i) { if (selectedElements[i] == null) continue; var slist = svgedit.transformlist.getTransformList(selectedElements[i]); if (slist.numberOfItems) { slist.insertItemBefore(svgroot.createSVGTransform(), 0); } else { slist.appendItem(svgroot.createSVGTransform()); } } } } else if (!right_click){ clearSelection(); current_mode = "multiselect"; if (rubberBox == null) { rubberBox = selectorManager.getRubberBandBox(); } r_start_x *= current_zoom; r_start_y *= current_zoom; // console.log('p',[evt.pageX, evt.pageY]); // console.log('c',[evt.clientX, evt.clientY]); // console.log('o',[evt.offsetX, evt.offsetY]); // console.log('s',[start_x, start_y]); svgedit.utilities.assignAttributes(rubberBox, { 'x': r_start_x, 'y': r_start_y, 'width': 0, 'height': 0, 'display': 'inline' }, 100); } break; case "zoom": started = true; if (rubberBox == null) { rubberBox = selectorManager.getRubberBandBox(); } svgedit.utilities.assignAttributes(rubberBox, { 'x': real_x * current_zoom, 'y': real_x * current_zoom, 'width': 0, 'height': 0, 'display': 'inline' }, 100); break; case "resize": started = true; start_x = x; start_y = y; // Getting the BBox from the selection box, since we know we // want to orient around it init_bbox = svgedit.utilities.getBBox($('#selectedBox0')[0]); var bb = {}; $.each(init_bbox, function(key, val) { bb[key] = val/current_zoom; }); init_bbox = bb; // append three dummy transforms to the tlist so that // we can translate,scale,translate in mousemove var pos = svgedit.utilities.getRotationAngle(mouse_target) ? 1 : 0; if (svgedit.math.hasMatrixTransform(tlist)) { tlist.insertItemBefore(svgroot.createSVGTransform(), pos); tlist.insertItemBefore(svgroot.createSVGTransform(), pos); tlist.insertItemBefore(svgroot.createSVGTransform(), pos); } else { tlist.appendItem(svgroot.createSVGTransform()); tlist.appendItem(svgroot.createSVGTransform()); tlist.appendItem(svgroot.createSVGTransform()); if (svgedit.browser.supportsNonScalingStroke()) { // Handle crash for newer Chrome and Safari 6 (Mobile and Desktop): // https://code.google.com/p/svg-edit/issues/detail?id=904 // Chromium issue: https://code.google.com/p/chromium/issues/detail?id=114625 // TODO: Remove this workaround once vendor fixes the issue var isWebkit = svgedit.browser.isWebkit(); if (isWebkit) { var delayedStroke = function(ele) { var _stroke = ele.getAttributeNS(null, 'stroke'); ele.removeAttributeNS(null, 'stroke'); //Re-apply stroke after delay. Anything higher than 1 seems to cause flicker setTimeout(function() { ele.setAttributeNS(null, 'stroke', _stroke); }, 0); }; } mouse_target.style.vectorEffect = 'non-scaling-stroke'; if (isWebkit) delayedStroke(mouse_target); var all = mouse_target.getElementsByTagName('*'), len = all.length; for (var i = 0; i < len; i++) { all[i].style.vectorEffect = 'non-scaling-stroke'; if (isWebkit) delayedStroke(all[i]); } } } break; case "fhellipse": case "fhrect": case "fhpath": start.x = real_x; start.y = real_y; started = true; d_attr = real_x + "," + real_y + " "; var stroke_w = cur_shape.stroke_width == 0 ? 1 : cur_shape.stroke_width; addSvgElementFromJson({ "element": "polyline", "curStyles": true, "attr": { "points": d_attr, "id": getNextId(), "fill": "none", "opacity": cur_shape.opacity / 2, "stroke-linecap": "round", "style": "pointer-events:none" } }); freehand.minx = real_x; freehand.maxx = real_x; freehand.miny = real_y; freehand.maxy = real_y; break; case "image": started = true; var newImage = addSvgElementFromJson({ "element": "image", "attr": { "x": x, "y": y, "width": 0, "height": 0, "id": getNextId(), "opacity": cur_shape.opacity / 2, "style": "pointer-events:inherit" } }); setHref(newImage, last_good_img_url); preventClickDefault(newImage); break; case "square": // FIXME: once we create the rect, we lose information that this was a square // (for resizing purposes this could be important) case "rect": started = true; start_x = x; start_y = y; addSvgElementFromJson({ "element": "rect", "curStyles": true, "attr": { "x": x, "y": y, "width": 0, "height": 0, "id": getNextId(), "opacity": cur_shape.opacity / 2 } }); break; case "line": started = true; var stroke_w = cur_shape.stroke_width == 0 ? 1 : cur_shape.stroke_width; addSvgElementFromJson({ "element": "line", "curStyles": true, "attr": { "x1": x, "y1": y, "x2": x, "y2": y, "id": getNextId(), "stroke": cur_shape.stroke, "stroke-width": stroke_w, "stroke-dasharray": cur_shape.stroke_dasharray, "stroke-linejoin": cur_shape.stroke_linejoin, "stroke-linecap": cur_shape.stroke_linecap, "stroke-opacity": cur_shape.stroke_opacity, "fill": "none", "opacity": cur_shape.opacity / 2, "style": "pointer-events:none" } }); break; case "circle": started = true; addSvgElementFromJson({ "element": "circle", "curStyles": true, "attr": { "cx": x, "cy": y, "r": 0, "id": getNextId(), "opacity": cur_shape.opacity / 2 } }); break; case "ellipse": started = true; addSvgElementFromJson({ "element": "ellipse", "curStyles": true, "attr": { "cx": x, "cy": y, "rx": 0, "ry": 0, "id": getNextId(), "opacity": cur_shape.opacity / 2 } }); break; case "text": started = true; var newText = addSvgElementFromJson({ "element": "text", "curStyles": true, "attr": { "x": x, "y": y, "id": getNextId(), "fill": cur_text.fill, "stroke-width": cur_text.stroke_width, "font-size": cur_text.font_size, "font-family": cur_text.font_family, "text-anchor": "middle", "xml:space": "preserve", "opacity": cur_shape.opacity } }); // newText.textContent = "text"; break; case "path": // Fall through case "pathedit": start_x *= current_zoom; start_y *= current_zoom; pathActions.mouseDown(evt, mouse_target, start_x, start_y); started = true; break; case "textedit": start_x *= current_zoom; start_y *= current_zoom; textActions.mouseDown(evt, mouse_target, start_x, start_y); started = true; break; case "rotate": started = true; // we are starting an undoable change (a drag-rotation) canvas.undoMgr.beginUndoableChange("transform", selectedElements); break; default: // This could occur in an extension break; } var ext_result = runExtensions("mouseDown", { event: evt, start_x: start_x, start_y: start_y, selectedElements: selectedElements }, true); $.each(ext_result, function(i, r) { if (r && r.started) { started = true; } }); }; // in this function we do not record any state changes yet (but we do update // any elements that are still being created, moved or resized on the canvas) var mouseMove = function(evt) { if (!started) return; if (evt.button === 1 || canvas.spaceKey) return; var selected = selectedElements[0], pt = svgedit.math.transformPoint( evt.pageX, evt.pageY, root_sctm ), mouse_x = pt.x * current_zoom, mouse_y = pt.y * current_zoom, shape = svgedit.utilities.getElem(getId()); var real_x = x = mouse_x / current_zoom; var real_y = y = mouse_y / current_zoom; if (curConfig.gridSnapping){ x = svgedit.utilities.snapToGrid(x); y = svgedit.utilities.snapToGrid(y); } evt.preventDefault(); switch (current_mode) { case "select": // we temporarily use a translate on the element(s) being dragged // this transform is removed upon mousing up and the element is // relocated to the new location if (selectedElements[0] !== null) { var dx = x - start_x; var dy = y - start_y; if (curConfig.gridSnapping){ dx = svgedit.utilities.snapToGrid(dx); dy = svgedit.utilities.snapToGrid(dy); } if (evt.shiftKey) { var xya = svgedit.math.snapToAngle(start_x, start_y, x, y); x = xya.x; y = xya.y; } if (dx != 0 || dy != 0) { var len = selectedElements.length; for (var i = 0; i < len; ++i) { var selected = selectedElements[i]; if (selected == null) break; // if (i==0) { // var box = svgedit.utilities.getBBox(selected); // selectedBBoxes[i].x = box.x + dx; // selectedBBoxes[i].y = box.y + dy; // } // update the dummy transform in our transform list // to be a translate var xform = svgroot.createSVGTransform(); var tlist = svgedit.transformlist.getTransformList(selected); // Note that if Webkit and there's no ID for this // element, the dummy transform may have gotten lost. // This results in unexpected behaviour xform.setTranslate(dx, dy); if (tlist.numberOfItems) { tlist.replaceItem(xform, 0); } else { tlist.appendItem(xform); } // update our internal bbox that we're tracking while dragging selectorManager.requestSelector(selected).resize(); } call("transition", selectedElements); } } break; case "multiselect": real_x *= current_zoom; real_y *= current_zoom; svgedit.utilities.assignAttributes(rubberBox, { 'x': Math.min(r_start_x, real_x), 'y': Math.min(r_start_y, real_y), 'width': Math.abs(real_x - r_start_x), 'height': Math.abs(real_y - r_start_y) }, 100); // for each selected: // - if newList contains selected, do nothing // - if newList doesn't contain selected, remove it from selected // - for any newList that was not in selectedElements, add it to selected var elemsToRemove = [], elemsToAdd = [], newList = getIntersectionList(), len = selectedElements.length; for (var i = 0; i < len; ++i) { var ind = newList.indexOf(selectedElements[i]); if (ind == -1) { elemsToRemove.push(selectedElements[i]); } else { newList[ind] = null; } } len = newList.length; for (i = 0; i < len; ++i) { if (newList[i]) elemsToAdd.push(newList[i]); } if (elemsToRemove.length > 0) canvas.removeFromSelection(elemsToRemove); if (elemsToAdd.length > 0) addToSelection(elemsToAdd); break; case "resize": // we track the resize bounding box and translate/scale the selected element // while the mouse is down, when mouse goes up, we use this to recalculate // the shape's coordinates var tlist = svgedit.transformlist.getTransformList(selected), hasMatrix = svgedit.math.hasMatrixTransform(tlist), box = hasMatrix ? init_bbox : svgedit.utilities.getBBox(selected), left = box.x, top = box.y, width = box.width, height = box.height, dx = (x-start_x), dy = (y-start_y); if (curConfig.gridSnapping){ dx = svgedit.utilities.snapToGrid(dx); dy = svgedit.utilities.snapToGrid(dy); height = svgedit.utilities.snapToGrid(height); width = svgedit.utilities.snapToGrid(width); } // if rotated, adjust the dx,dy values var angle = svgedit.utilities.getRotationAngle(selected); if (angle) { var r = Math.sqrt( dx*dx + dy*dy ), theta = Math.atan2(dy, dx) - angle * Math.PI / 180.0; dx = r * Math.cos(theta); dy = r * Math.sin(theta); } // if not stretching in y direction, set dy to 0 // if not stretching in x direction, set dx to 0 if (current_resize_mode.indexOf("n")==-1 && current_resize_mode.indexOf("s")==-1) { dy = 0; } if (current_resize_mode.indexOf("e")==-1 && current_resize_mode.indexOf("w")==-1) { dx = 0; } var ts = null, tx = 0, ty = 0, sy = height ? (height+dy)/height : 1, sx = width ? (width+dx)/width : 1; // if we are dragging on the north side, then adjust the scale factor and ty if (current_resize_mode.indexOf("n") >= 0) { sy = height ? (height-dy)/height : 1; ty = height; } // if we dragging on the east side, then adjust the scale factor and tx if (current_resize_mode.indexOf("w") >= 0) { sx = width ? (width-dx)/width : 1; tx = width; } // update the transform list with translate,scale,translate var translateOrigin = svgroot.createSVGTransform(), scale = svgroot.createSVGTransform(), translateBack = svgroot.createSVGTransform(); if (curConfig.gridSnapping){ left = svgedit.utilities.snapToGrid(left); tx = svgedit.utilities.snapToGrid(tx); top = svgedit.utilities.snapToGrid(top); ty = svgedit.utilities.snapToGrid(ty); } translateOrigin.setTranslate(-(left+tx), -(top+ty)); if (evt.shiftKey) { if (sx == 1) sx = sy; else sy = sx; } scale.setScale(sx, sy); translateBack.setTranslate(left+tx, top+ty); if (hasMatrix) { var diff = angle?1:0; tlist.replaceItem(translateOrigin, 2+diff); tlist.replaceItem(scale, 1+diff); tlist.replaceItem(translateBack, 0+diff); } else { var N = tlist.numberOfItems; tlist.replaceItem(translateBack, N-3); tlist.replaceItem(scale, N-2); tlist.replaceItem(translateOrigin, N-1); } selectorManager.requestSelector(selected).resize(); call("transition", selectedElements); break; case "zoom": real_x *= current_zoom; real_y *= current_zoom; svgedit.utilities.assignAttributes(rubberBox, { 'x': Math.min(r_start_x*current_zoom, real_x), 'y': Math.min(r_start_y*current_zoom, real_y), 'width': Math.abs(real_x - r_start_x*current_zoom), 'height': Math.abs(real_y - r_start_y*current_zoom) }, 100); break; case "text": svgedit.utilities.assignAttributes(shape,{ 'x': x, 'y': y }, 1000); break; case "line": // Opera has a problem with suspendRedraw() apparently var handle = null; if (!window.opera) svgroot.suspendRedraw(1000); if (curConfig.gridSnapping){ x = svgedit.utilities.snapToGrid(x); y = svgedit.utilities.snapToGrid(y); } var x2 = x; var y2 = y; if (evt.shiftKey) { var xya = svgedit.math.snapToAngle(start_x, start_y, x2, y2); x2 = xya.x; y2 = xya.y; } shape.setAttributeNS(null, "x2", x2); shape.setAttributeNS(null, "y2", y2); if (!window.opera) svgroot.unsuspendRedraw(handle); break; case "foreignObject": // fall through case "square": // fall through case "rect": // fall through case "image": var square = (current_mode == 'square') || evt.shiftKey, w = Math.abs(x - start_x), h = Math.abs(y - start_y), new_x, new_y; if (square) { w = h = Math.max(w, h); new_x = start_x < x ? start_x : start_x - w; new_y = start_y < y ? start_y : start_y - h; } else { new_x = Math.min(start_x, x); new_y = Math.min(start_y, y); } if (curConfig.gridSnapping){ w = svgedit.utilities.snapToGrid(w); h = svgedit.utilities.snapToGrid(h); new_x = svgedit.utilities.snapToGrid(new_x); new_y = svgedit.utilities.snapToGrid(new_y); } svgedit.utilities.assignAttributes(shape,{ 'width': w, 'height': h, 'x': new_x, 'y': new_y },1000); break; case "circle": var c = $(shape).attr(["cx", "cy"]); var cx = c.cx, cy = c.cy, rad = Math.sqrt( (x-cx)*(x-cx) + (y-cy)*(y-cy) ); if (curConfig.gridSnapping){ rad = svgedit.utilities.snapToGrid(rad); } shape.setAttributeNS(null, "r", rad); break; case "ellipse": var c = $(shape).attr(["cx", "cy"]); var cx = c.cx, cy = c.cy; // Opera has a problem with suspendRedraw() apparently handle = null; if (!window.opera) svgroot.suspendRedraw(1000); if (curConfig.gridSnapping){ x = svgedit.utilities.snapToGrid(x); cx = svgedit.utilities.snapToGrid(cx); y = svgedit.utilities.snapToGrid(y); cy = svgedit.utilities.snapToGrid(cy); } shape.setAttributeNS(null, "rx", Math.abs(x - cx) ); var ry = Math.abs(evt.shiftKey?(x - cx):(y - cy)); shape.setAttributeNS(null, "ry", ry ); if (!window.opera) svgroot.unsuspendRedraw(handle); break; case "fhellipse": case "fhrect": freehand.minx = Math.min(real_x, freehand.minx); freehand.maxx = Math.max(real_x, freehand.maxx); freehand.miny = Math.min(real_y, freehand.miny); freehand.maxy = Math.max(real_y, freehand.maxy); // break; missing on purpose case "fhpath": // d_attr += + real_x + "," + real_y + " "; // shape.setAttributeNS(null, "points", d_attr); end.x = real_x; end.y = real_y; if (controllPoint2.x && controllPoint2.y){ for (var i = 0; i < STEP_COUNT - 1; i++) { parameter = i / STEP_COUNT; nextParameter = (i + 1) / STEP_COUNT; bSpline = getBsplinePoint(nextParameter); nextPos = bSpline; bSpline = getBsplinePoint(parameter); sumDistance += Math.sqrt((nextPos.x - bSpline.x) * (nextPos.x - bSpline.x) + (nextPos.y - bSpline.y) * (nextPos.y - bSpline.y)); if (sumDistance > THRESHOLD_DIST) { d_attr += + bSpline.x + "," + bSpline.y + " "; shape.setAttributeNS(null, "points", d_attr); sumDistance -= THRESHOLD_DIST; } } } controllPoint2 = {x:controllPoint1.x, y:controllPoint1.y}; controllPoint1 = {x:start.x, y:start.y}; start = {x:end.x, y:end.y}; break; // update path stretch line coordinates case "path": // fall through case "pathedit": x *= current_zoom; y *= current_zoom; if (curConfig.gridSnapping){ x = svgedit.utilities.snapToGrid(x); y = svgedit.utilities.snapToGrid(y); start_x = svgedit.utilities.snapToGrid(start_x); start_y = svgedit.utilities.snapToGrid(start_y); } if (evt.shiftKey) { var path = svgedit.path.path; if (path) { var x1 = path.dragging?path.dragging[0]:start_x; var y1 = path.dragging?path.dragging[1]:start_y; } else { var x1 = start_x; var y1 = start_y; } var xya = svgedit.math.snapToAngle(x1, y1, x, y); x = xya.x; y = xya.y; } if (rubberBox && rubberBox.getAttribute('display') !== 'none') { real_x *= current_zoom; real_y *= current_zoom; svgedit.utilities.assignAttributes(rubberBox, { 'x': Math.min(r_start_x*current_zoom, real_x), 'y': Math.min(r_start_y*current_zoom, real_y), 'width': Math.abs(real_x - r_start_x*current_zoom), 'height': Math.abs(real_y - r_start_y*current_zoom) },100); } pathActions.mouseMove(x, y); break; case "textedit": x *= current_zoom; y *= current_zoom; // if (rubberBox && rubberBox.getAttribute('display') != 'none') { // svgedit.utilities.assignAttributes(rubberBox, { // 'x': Math.min(start_x,x), // 'y': Math.min(start_y,y), // 'width': Math.abs(x-start_x), // 'height': Math.abs(y-start_y) // },100); // } textActions.mouseMove(mouse_x, mouse_y); break; case "rotate": var box = svgedit.utilities.getBBox(selected), cx = box.x + box.width/2, cy = box.y + box.height/2, m = svgedit.math.getMatrix(selected), center = svgedit.math.transformPoint(cx, cy, m); cx = center.x; cy = center.y; var angle = ((Math.atan2(cy-y, cx-x) * (180/Math.PI))-90) % 360; if (curConfig.gridSnapping){ angle = svgedit.utilities.snapToGrid(angle); } if (evt.shiftKey) { // restrict rotations to nice angles (WRS) var snap = 45; angle= Math.round(angle/snap)*snap; } canvas.setRotationAngle(angle<-180?(360+angle):angle, true); call("transition", selectedElements); break; default: break; } runExtensions("mouseMove", { event: evt, mouse_x: mouse_x, mouse_y: mouse_y, selected: selected }); }; // mouseMove() // - in create mode, the element's opacity is set properly, we create an InsertElementCommand // and store it on the Undo stack // - in move/resize mode, the element's attributes which were affected by the move/resize are // identified, a ChangeElementCommand is created and stored on the stack for those attrs // this is done in when we recalculate the selected dimensions() var mouseUp = function(evt) { if (evt.button === 2) return; var tempJustSelected = justSelected; justSelected = null; if (!started) return; var pt = svgedit.math.transformPoint( evt.pageX, evt.pageY, root_sctm ), mouse_x = pt.x * current_zoom, mouse_y = pt.y * current_zoom, x = mouse_x / current_zoom, y = mouse_y / current_zoom, element = svgedit.utilities.getElem(getId()), keep = false; var real_x = x; var real_y = y; // TODO: Make true when in multi-unit mode var useUnit = false; // (curConfig.baseUnit !== 'px'); started = false; switch (current_mode) { // intentionally fall-through to select here case "resize": case "multiselect": if (rubberBox != null) { rubberBox.setAttribute("display", "none"); curBBoxes = []; } current_mode = "select"; case "select": if (selectedElements[0] != null) { // if we only have one selected element if (selectedElements[1] == null) { // set our current stroke/fill properties to the element's var selected = selectedElements[0]; switch ( selected.tagName ) { case "g": case "use": case "image": case "foreignObject": break; default: cur_properties.fill = selected.getAttribute("fill"); cur_properties.fill_opacity = selected.getAttribute("fill-opacity"); cur_properties.stroke = selected.getAttribute("stroke"); cur_properties.stroke_opacity = selected.getAttribute("stroke-opacity"); cur_properties.stroke_width = selected.getAttribute("stroke-width"); cur_properties.stroke_dasharray = selected.getAttribute("stroke-dasharray"); cur_properties.stroke_linejoin = selected.getAttribute("stroke-linejoin"); cur_properties.stroke_linecap = selected.getAttribute("stroke-linecap"); } if (selected.tagName == "text") { cur_text.font_size = selected.getAttribute("font-size"); cur_text.font_family = selected.getAttribute("font-family"); } selectorManager.requestSelector(selected).showGrips(true); // This shouldn't be necessary as it was done on mouseDown... // call("selected", [selected]); } // always recalculate dimensions to strip off stray identity transforms recalculateAllSelectedDimensions(); // if it was being dragged/resized if (real_x != r_start_x || real_y != r_start_y) { var len = selectedElements.length; for (var i = 0; i < len; ++i) { if (selectedElements[i] == null) break; if (!selectedElements[i].firstChild) { // Not needed for groups (incorrectly resizes elems), possibly not needed at all? selectorManager.requestSelector(selectedElements[i]).resize(); } } } // no change in position/size, so maybe we should move to pathedit else { var t = evt.target; if (selectedElements[0].nodeName === "path" && selectedElements[1] == null) { pathActions.select(selectedElements[0]); } // if it was a path // else, if it was selected and this is a shift-click, remove it from selection else if (evt.shiftKey) { if (tempJustSelected != t) { canvas.removeFromSelection([t]); } } } // no change in mouse position // Remove non-scaling stroke if (svgedit.browser.supportsNonScalingStroke()) { var elem = selectedElements[0]; if (elem) { elem.removeAttribute('style'); svgedit.utilities.walkTree(elem, function(elem) { elem.removeAttribute('style'); }); } } } return; break; case "zoom": if (rubberBox != null) { rubberBox.setAttribute("display", "none"); } var factor = evt.shiftKey?.5:2; call("zoomed", { 'x': Math.min(r_start_x, real_x), 'y': Math.min(r_start_y, real_y), 'width': Math.abs(real_x - r_start_x), 'height': Math.abs(real_y - r_start_y), 'factor': factor }); return; case "fhpath": // Check that the path contains at least 2 points; a degenerate one-point path // causes problems. // Webkit ignores how we set the points attribute with commas and uses space // to separate all coordinates, see https://bugs.webkit.org/show_bug.cgi?id=29870 sumDistance = 0; controllPoint2 = {x:0, y:0}; controllPoint1 = {x:0, y:0}; start = {x:0, y:0}; end = {x:0, y:0}; var coords = element.getAttribute('points'); var commaIndex = coords.indexOf(','); if (commaIndex >= 0) { keep = coords.indexOf(',', commaIndex+1) >= 0; } else { keep = coords.indexOf(' ', coords.indexOf(' ')+1) >= 0; } if (keep) { element = pathActions.smoothPolylineIntoPath(element); } break; case "line": var attrs = $(element).attr(["x1", "x2", "y1", "y2"]); keep = (attrs.x1 != attrs.x2 || attrs.y1 != attrs.y2); break; case "foreignObject": case "square": case "rect": case "image": var attrs = $(element).attr(["width", "height"]); // Image should be kept regardless of size (use inherit dimensions later) keep = (attrs.width != 0 || attrs.height != 0) || current_mode === "image"; break; case "circle": keep = (element.getAttribute('r') != 0); break; case "ellipse": var attrs = $(element).attr(["rx", "ry"]); keep = (attrs.rx != null || attrs.ry != null); break; case "fhellipse": if ((freehand.maxx - freehand.minx) > 0 && (freehand.maxy - freehand.miny) > 0) { element = addSvgElementFromJson({ "element": "ellipse", "curStyles": true, "attr": { "cx": (freehand.minx + freehand.maxx) / 2, "cy": (freehand.miny + freehand.maxy) / 2, "rx": (freehand.maxx - freehand.minx) / 2, "ry": (freehand.maxy - freehand.miny) / 2, "id": getId() } }); call("changed",[element]); keep = true; } break; case "fhrect": if ((freehand.maxx - freehand.minx) > 0 && (freehand.maxy - freehand.miny) > 0) { element = addSvgElementFromJson({ "element": "rect", "curStyles": true, "attr": { "x": freehand.minx, "y": freehand.miny, "width": (freehand.maxx - freehand.minx), "height": (freehand.maxy - freehand.miny), "id": getId() } }); call("changed",[element]); keep = true; } break; case "text": keep = true; selectOnly([element]); textActions.start(element); break; case "path": // set element to null here so that it is not removed nor finalized element = null; // continue to be set to true so that mouseMove happens started = true; var res = pathActions.mouseUp(evt, element, mouse_x, mouse_y); element = res.element; keep = res.keep; break; case "pathedit": keep = true; element = null; pathActions.mouseUp(evt); break; case "textedit": keep = false; element = null; textActions.mouseUp(evt, mouse_x, mouse_y); break; case "rotate": keep = true; element = null; current_mode = "select"; var batchCmd = canvas.undoMgr.finishUndoableChange(); if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); } // perform recalculation to weed out any stray identity transforms that might get stuck recalculateAllSelectedDimensions(); call("changed", selectedElements); break; default: // This could occur in an extension break; } var ext_result = runExtensions("mouseUp", { event: evt, mouse_x: mouse_x, mouse_y: mouse_y }, true); $.each(ext_result, function(i, r) { if (r) { keep = r.keep || keep; element = r.element; started = r.started || started; } }); if (!keep && element != null) { getCurrentDrawing().releaseId(getId()); element.parentNode.removeChild(element); element = null; var t = evt.target; // if this element is in a group, go up until we reach the top-level group // just below the layer groups // TODO: once we implement links, we also would have to check for <a> elements while (t.parentNode.parentNode.tagName == "g") { t = t.parentNode; } // if we are not in the middle of creating a path, and we've clicked on some shape, // then go to Select mode. // WebKit returns <div> when the canvas is clicked, Firefox/Opera return <svg> if ( (current_mode != "path" || !drawn_path) && t.parentNode.id != "selectorParentGroup" && t.id != "svgcanvas" && t.id != "svgroot") { // switch into "select" mode if we've clicked on an element canvas.setMode("select"); selectOnly([t], true); } } else if (element != null) { canvas.addedNew = true; if (useUnit) svgedit.units.convertAttrs(element); var ani_dur = .2, c_ani; if (opac_ani.beginElement && element.getAttribute('opacity') != cur_shape.opacity) { c_ani = $(opac_ani).clone().attr({ to: cur_shape.opacity, dur: ani_dur }).appendTo(element); try { // Fails in FF4 on foreignObject c_ani[0].beginElement(); } catch(e){} } else { ani_dur = 0; } // Ideally this would be done on the endEvent of the animation, // but that doesn't seem to be supported in Webkit setTimeout(function() { if (c_ani) c_ani.remove(); element.setAttribute("opacity", cur_shape.opacity); element.setAttribute("style", "pointer-events:inherit"); cleanupElement(element); if (current_mode === "path") { pathActions.toEditMode(element); } else if (curConfig.selectNew) { selectOnly([element], true); } // we create the insert command that is stored on the stack // undo means to call cmd.unapply(), redo means to call cmd.apply() addCommandToHistory(new svgedit.history.InsertElementCommand(element)); call("changed",[element]); }, ani_dur * 1000); } startTransform = null; }; var dblClick = function(evt) { var evt_target = evt.target; var parent = evt_target.parentNode; // Do nothing if already in current group if (parent === current_group) return; var mouse_target = getMouseTarget(evt); var tagName = mouse_target.tagName; if (tagName === 'text' && current_mode !== 'textedit') { var pt = svgedit.math.transformPoint( evt.pageX, evt.pageY, root_sctm ); textActions.select(mouse_target, pt.x, pt.y); } if ((tagName === "g" || tagName === "a") && svgedit.utilities.getRotationAngle(mouse_target)) { // TODO: Allow method of in-group editing without having to do // this (similar to editing rotated paths) // Ungroup and regroup pushGroupProperties(mouse_target); mouse_target = selectedElements[0]; clearSelection(true); } // Reset context if (current_group) { leaveContext(); } if ((parent.tagName !== 'g' && parent.tagName !== 'a') || parent === getCurrentDrawing().getCurrentLayer() || mouse_target === selectorManager.selectorParentGroup) { // Escape from in-group edit return; } setContext(mouse_target); }; // prevent links from being followed in the canvas var handleLinkInCanvas = function(e) { e.preventDefault(); return false; }; // Added mouseup to the container here. // TODO(codedread): Figure out why after the Closure compiler, the window mouseup is ignored. $(container).mousedown(mouseDown).mousemove(mouseMove).click(handleLinkInCanvas).dblclick(dblClick).mouseup(mouseUp); // $(window).mouseup(mouseUp); //TODO(rafaelcastrocouto): User preference for shift key and zoom factor $(container).bind("mousewheel DOMMouseScroll", function(e){ //if (!e.shiftKey) return; e.preventDefault(); var evt = e.originalEvent; root_sctm = $('#svgcontent g')[0].getScreenCTM().inverse(); var pt = svgedit.math.transformPoint( evt.pageX, evt.pageY, root_sctm ); var bbox = { 'x': pt.x, 'y': pt.y, 'width': 0, 'height': 0 }; var delta = (evt.wheelDelta) ? evt.wheelDelta : (evt.detail) ? -evt.detail : 0; if (!delta) return; bbox.factor = Math.max(3/4, Math.min(4/3, (delta))); call("zoomed", bbox); }); }()); // Function: preventClickDefault // Prevents default browser click behaviour on the given element // // Parameters: // img - The DOM element to prevent the cilck on var preventClickDefault = function(img) { $(img).click(function(e){e.preventDefault();}); }; // Group: Text edit functions // Functions relating to editing text elements var textActions = canvas.textActions = function() { var curtext; var textinput; var cursor; var selblock; var blinker; var chardata = []; var textbb, transbb; var matrix; var last_x, last_y; var allow_dbl; function setCursor(index) { var empty = (textinput.value === ""); $(textinput).focus(); if (!arguments.length) { if (empty) { index = 0; } else { if (textinput.selectionEnd !== textinput.selectionStart) return; index = textinput.selectionEnd; } } var charbb; charbb = chardata[index]; if (!empty) { textinput.setSelectionRange(index, index); } cursor = svgedit.utilities.getElem("text_cursor"); if (!cursor) { cursor = document.createElementNS(NS.SVG, "line"); svgedit.utilities.assignAttributes(cursor, { 'id': "text_cursor", 'stroke': "#333", 'stroke-width': 1 }); cursor = svgedit.utilities.getElem("selectorParentGroup").appendChild(cursor); } if (!blinker) { blinker = setInterval(function() { var show = (cursor.getAttribute('display') === 'none'); cursor.setAttribute('display', show?'inline':'none'); }, 600); } var start_pt = ptToScreen(charbb.x, textbb.y); var end_pt = ptToScreen(charbb.x, (textbb.y + textbb.height)); svgedit.utilities.assignAttributes(cursor, { x1: start_pt.x, y1: start_pt.y, x2: end_pt.x, y2: end_pt.y, visibility: 'visible', display: 'inline' }); if (selblock) selblock.setAttribute('d', ''); } function setSelection(start, end, skipInput) { if (start === end) { setCursor(end); return; } if (!skipInput) { textinput.setSelectionRange(start, end); } selblock = svgedit.utilities.getElem("text_selectblock"); if (!selblock) { selblock = document.createElementNS(NS.SVG, "path"); svgedit.utilities.assignAttributes(selblock, { 'id': "text_selectblock", 'fill': "green", 'opacity': 0.5, 'style': "pointer-events:none" }); svgedit.utilities.getElem("selectorParentGroup").appendChild(selblock); } var startbb = chardata[start]; var endbb = chardata[end]; cursor.setAttribute('visibility', 'hidden'); var tl = ptToScreen(startbb.x, textbb.y), tr = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y), bl = ptToScreen(startbb.x, textbb.y + textbb.height), br = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y + textbb.height); var dstr = "M" + tl.x + "," + tl.y + " L" + tr.x + "," + tr.y + " " + br.x + "," + br.y + " " + bl.x + "," + bl.y + "z"; svgedit.utilities.assignAttributes(selblock, { d: dstr, 'display': 'inline' }); } function getIndexFromPoint(mouse_x, mouse_y) { // Position cursor here var pt = svgroot.createSVGPoint(); pt.x = mouse_x; pt.y = mouse_y; // No content, so return 0 if (chardata.length == 1) return 0; // Determine if cursor should be on left or right of character var charpos = curtext.getCharNumAtPosition(pt); if (charpos < 0) { // Out of text range, look at mouse coords charpos = chardata.length - 2; if (mouse_x <= chardata[0].x) { charpos = 0; } } else if (charpos >= chardata.length - 2) { charpos = chardata.length - 2; } var charbb = chardata[charpos]; var mid = charbb.x + (charbb.width/2); if (mouse_x > mid) { charpos++; } return charpos; } function setCursorFromPoint(mouse_x, mouse_y) { setCursor(getIndexFromPoint(mouse_x, mouse_y)); } function setEndSelectionFromPoint(x, y, apply) { var i1 = textinput.selectionStart; var i2 = getIndexFromPoint(x, y); var start = Math.min(i1, i2); var end = Math.max(i1, i2); setSelection(start, end, !apply); } function screenToPt(x_in, y_in) { var out = { x: x_in, y: y_in }; out.x /= current_zoom; out.y /= current_zoom; if (matrix) { var pt = svgedit.math.transformPoint(out.x, out.y, matrix.inverse()); out.x = pt.x; out.y = pt.y; } return out; } function ptToScreen(x_in, y_in) { var out = { x: x_in, y: y_in }; if (matrix) { var pt = svgedit.math.transformPoint(out.x, out.y, matrix); out.x = pt.x; out.y = pt.y; } out.x *= current_zoom; out.y *= current_zoom; return out; } function hideCursor() { if (cursor) { cursor.setAttribute('visibility', 'hidden'); } } function selectAll(evt) { setSelection(0, curtext.textContent.length); $(this).unbind(evt); } function selectWord(evt) { if (!allow_dbl || !curtext) return; var ept = svgedit.math.transformPoint( evt.pageX, evt.pageY, root_sctm ), mouse_x = ept.x * current_zoom, mouse_y = ept.y * current_zoom; var pt = screenToPt(mouse_x, mouse_y); var index = getIndexFromPoint(pt.x, pt.y); var str = curtext.textContent; var first = str.substr(0, index).replace(/[a-z0-9]+$/i, '').length; var m = str.substr(index).match(/^[a-z0-9]+/i); var last = (m?m[0].length:0) + index; setSelection(first, last); // Set tripleclick $(evt.target).click(selectAll); setTimeout(function() { $(evt.target).unbind('click', selectAll); }, 300); } return { select: function(target, x, y) { curtext = target; textActions.toEditMode(x, y); }, start: function(elem) { curtext = elem; textActions.toEditMode(); }, mouseDown: function(evt, mouse_target, start_x, start_y) { var pt = screenToPt(start_x, start_y); textinput.focus(); setCursorFromPoint(pt.x, pt.y); last_x = start_x; last_y = start_y; // TODO: Find way to block native selection }, mouseMove: function(mouse_x, mouse_y) { var pt = screenToPt(mouse_x, mouse_y); setEndSelectionFromPoint(pt.x, pt.y); }, mouseUp: function(evt, mouse_x, mouse_y) { var pt = screenToPt(mouse_x, mouse_y); setEndSelectionFromPoint(pt.x, pt.y, true); // TODO: Find a way to make this work: Use transformed BBox instead of evt.target // if (last_x === mouse_x && last_y === mouse_y // && !svgedit.math.rectsIntersect(transbb, {x: pt.x, y: pt.y, width:0, height:0})) { // textActions.toSelectMode(true); // } if ( evt.target !== curtext && mouse_x < last_x + 2 && mouse_x > last_x - 2 && mouse_y < last_y + 2 && mouse_y > last_y - 2) { textActions.toSelectMode(true); } }, setCursor: setCursor, toEditMode: function(x, y) { allow_dbl = false; current_mode = "textedit"; selectorManager.requestSelector(curtext).showGrips(false); // Make selector group accept clicks var sel = selectorManager.requestSelector(curtext).selectorRect; textActions.init(); $(curtext).css('cursor', 'text'); // if (svgedit.browser.supportsEditableText()) { // curtext.setAttribute('editable', 'simple'); // return; // } if (!arguments.length) { setCursor(); } else { var pt = screenToPt(x, y); setCursorFromPoint(pt.x, pt.y); } setTimeout(function() { allow_dbl = true; }, 300); }, toSelectMode: function(selectElem) { current_mode = "select"; clearInterval(blinker); blinker = null; if (selblock) $(selblock).attr('display', 'none'); if (cursor) $(cursor).attr('visibility', 'hidden'); $(curtext).css('cursor', 'move'); if (selectElem) { clearSelection(); $(curtext).css('cursor', 'move'); call("selected", [curtext]); addToSelection([curtext], true); } if (curtext && !curtext.textContent.length) { // No content, so delete canvas.deleteSelectedElements(); } $(textinput).blur(); curtext = false; // if (svgedit.browser.supportsEditableText()) { // curtext.removeAttribute('editable'); // } }, setInputElem: function(elem) { textinput = elem; // $(textinput).blur(hideCursor); }, clear: function() { if (current_mode == "textedit") { textActions.toSelectMode(); } }, init: function(inputElem) { if (!curtext) return; // if (svgedit.browser.supportsEditableText()) { // curtext.select(); // return; // } if (!curtext.parentNode) { // Result of the ffClone, need to get correct element curtext = selectedElements[0]; selectorManager.requestSelector(curtext).showGrips(false); } var str = curtext.textContent; var len = str.length; var xform = curtext.getAttribute('transform'); textbb = svgedit.utilities.getBBox(curtext); matrix = xform ? svgedit.math.getMatrix(curtext) : null; chardata = Array(len); textinput.focus(); $(curtext).unbind('dblclick', selectWord).dblclick(selectWord); if (!len) { var end = {x: textbb.x + (textbb.width/2), width: 0}; } for (var i=0; i<len; i++) { var start = curtext.getStartPositionOfChar(i); var end = curtext.getEndPositionOfChar(i); if (!svgedit.browser.supportsGoodTextCharPos()) { var offset = canvas.contentW * current_zoom; start.x -= offset; end.x -= offset; start.x /= current_zoom; end.x /= current_zoom; } // Get a "bbox" equivalent for each character. Uses the // bbox data of the actual text for y, height purposes // TODO: Decide if y, width and height are actually necessary chardata[i] = { x: start.x, y: textbb.y, // start.y? width: end.x - start.x, height: textbb.height }; } // Add a last bbox for cursor at end of text chardata.push({ x: end.x, width: 0 }); setSelection(textinput.selectionStart, textinput.selectionEnd, true); } }; }(); // TODO: Migrate all of this code into path.js // Group: Path edit functions // Functions relating to editing path elements var pathActions = canvas.pathActions = function() { var subpath = false; var current_path; var newPoint, firstCtrl; function resetD(p) { p.setAttribute("d", pathActions.convertPath(p)); } // TODO: Move into path.js svgedit.path.Path.prototype.endChanges = function(text) { if (svgedit.browser.isWebkit()) resetD(this.elem); var cmd = new svgedit.history.ChangeElementCommand(this.elem, {d: this.last_d}, text); addCommandToHistory(cmd); call("changed", [this.elem]); }; svgedit.path.Path.prototype.addPtsToSelection = function(indexes) { if (!$.isArray(indexes)) indexes = [indexes]; for (var i=0; i< indexes.length; i++) { var index = indexes[i]; var seg = this.segs[index]; if (seg.ptgrip) { if (this.selected_pts.indexOf(index) == -1 && index >= 0) { this.selected_pts.push(index); } } } this.selected_pts.sort(); var i = this.selected_pts.length, grips = new Array(i); // Loop through points to be selected and highlight each while (i--) { var pt = this.selected_pts[i]; var seg = this.segs[pt]; seg.select(true); grips[i] = seg.ptgrip; } // TODO: Correct this: pathActions.canDeleteNodes = true; pathActions.closed_subpath = this.subpathIsClosed(this.selected_pts[0]); call("selected", grips); }; var current_path = null, drawn_path = null, hasMoved = false; // This function converts a polyline (created by the fh_path tool) into // a path element and coverts every three line segments into a single bezier // curve in an attempt to smooth out the free-hand var smoothPolylineIntoPath = function(element) { var points = element.points; var N = points.numberOfItems; if (N >= 4) { // loop through every 3 points and convert to a cubic bezier curve segment // // NOTE: this is cheating, it means that every 3 points has the potential to // be a corner instead of treating each point in an equal manner. In general, // this technique does not look that good. // // I am open to better ideas! // // Reading: // - http://www.efg2.com/Lab/Graphics/Jean-YvesQueinecBezierCurves.htm // - http://www.codeproject.com/KB/graphics/BezierSpline.aspx?msg=2956963 // - http://www.ian-ko.com/ET_GeoWizards/UserGuide/smooth.htm // - http://www.cs.mtu.edu/~shene/COURSES/cs3621/NOTES/spline/Bezier/bezier-der.html var curpos = points.getItem(0), prevCtlPt = null; var d = []; d.push(["M", curpos.x, ",", curpos.y, " C"].join("")); for (var i = 1; i <= (N-4); i += 3) { var ct1 = points.getItem(i); var ct2 = points.getItem(i+1); var end = points.getItem(i+2); // if the previous segment had a control point, we want to smooth out // the control points on both sides if (prevCtlPt) { var newpts = svgedit.path.smoothControlPoints( prevCtlPt, ct1, curpos ); if (newpts && newpts.length == 2) { var prevArr = d[d.length-1].split(','); prevArr[2] = newpts[0].x; prevArr[3] = newpts[0].y; d[d.length-1] = prevArr.join(','); ct1 = newpts[1]; } } d.push([ct1.x, ct1.y, ct2.x, ct2.y, end.x, end.y].join(',')); curpos = end; prevCtlPt = ct2; } // handle remaining line segments d.push("L"); for (;i < N;++i) { var pt = points.getItem(i); d.push([pt.x, pt.y].join(",")); } d = d.join(" "); // create new path element element = addSvgElementFromJson({ "element": "path", "curStyles": true, "attr": { "id": getId(), "d": d, "fill": "none" } }); // No need to call "changed", as this is already done under mouseUp } return element; }; return { mouseDown: function(evt, mouse_target, start_x, start_y) { if (current_mode === "path") { mouse_x = start_x; mouse_y = start_y; var x = mouse_x/current_zoom, y = mouse_y/current_zoom, stretchy = svgedit.utilities.getElem("path_stretch_line"); newPoint = [x, y]; if (curConfig.gridSnapping){ x = svgedit.utilities.snapToGrid(x); y = svgedit.utilities.snapToGrid(y); mouse_x = svgedit.utilities.snapToGrid(mouse_x); mouse_y = svgedit.utilities.snapToGrid(mouse_y); } if (!stretchy) { stretchy = document.createElementNS(NS.SVG, "path"); svgedit.utilities.assignAttributes(stretchy, { 'id': "path_stretch_line", 'stroke': "#22C", 'stroke-width': "0.5", 'fill': 'none' }); stretchy = svgedit.utilities.getElem("selectorParentGroup").appendChild(stretchy); } stretchy.setAttribute("display", "inline"); var keep = null; // if pts array is empty, create path element with M at current point if (!drawn_path) { d_attr = "M" + x + "," + y + " "; drawn_path = addSvgElementFromJson({ "element": "path", "curStyles": true, "attr": { "d": d_attr, "id": getNextId(), "opacity": cur_shape.opacity / 2 } }); // set stretchy line to first point stretchy.setAttribute('d', ['M', mouse_x, mouse_y, mouse_x, mouse_y].join(' ')); var index = subpath ? svgedit.path.path.segs.length : 0; svgedit.path.addPointGrip(index, mouse_x, mouse_y); } else { // determine if we clicked on an existing point var seglist = drawn_path.pathSegList; var i = seglist.numberOfItems; var FUZZ = 6/current_zoom; var clickOnPoint = false; while (i) { i --; var item = seglist.getItem(i); var px = item.x, py = item.y; // found a matching point if ( x >= (px-FUZZ) && x <= (px+FUZZ) && y >= (py-FUZZ) && y <= (py+FUZZ) ) { clickOnPoint = true; break; } } // get path element that we are in the process of creating var id = getId(); // Remove previous path object if previously created svgedit.path.removePath_(id); var newpath = svgedit.utilities.getElem(id); var len = seglist.numberOfItems; // if we clicked on an existing point, then we are done this path, commit it // (i, i+1) are the x,y that were clicked on if (clickOnPoint) { // if clicked on any other point but the first OR // the first point was clicked on and there are less than 3 points // then leave the path open // otherwise, close the path if (i <= 1 && len >= 2) { // Create end segment var abs_x = seglist.getItem(0).x; var abs_y = seglist.getItem(0).y; var s_seg = stretchy.pathSegList.getItem(1); if (s_seg.pathSegType === 4) { var newseg = drawn_path.createSVGPathSegLinetoAbs(abs_x, abs_y); } else { var newseg = drawn_path.createSVGPathSegCurvetoCubicAbs( abs_x, abs_y, s_seg.x1 / current_zoom, s_seg.y1 / current_zoom, abs_x, abs_y ); } var endseg = drawn_path.createSVGPathSegClosePath(); seglist.appendItem(newseg); seglist.appendItem(endseg); } else if (len < 3) { keep = false; return keep; } $(stretchy).remove(); // this will signal to commit the path element = newpath; drawn_path = null; started = false; if (subpath) { if (svgedit.path.path.matrix) { svgedit.coords.remapElement(newpath, {}, svgedit.path.path.matrix.inverse()); } var new_d = newpath.getAttribute("d"); var orig_d = $(svgedit.path.path.elem).attr("d"); $(svgedit.path.path.elem).attr("d", orig_d + new_d); $(newpath).remove(); if (svgedit.path.path.matrix) { svgedit.path.recalcRotatedPath(); } svgedit.path.path.init(); pathActions.toEditMode(svgedit.path.path.elem); svgedit.path.path.selectPt(); return false; } } // else, create a new point, update path element else { // Checks if current target or parents are #svgcontent if (!$.contains(container, getMouseTarget(evt))) { // Clicked outside canvas, so don't make point console.log("Clicked outside canvas"); return false; } var num = drawn_path.pathSegList.numberOfItems; var last = drawn_path.pathSegList.getItem(num -1); var lastx = last.x, lasty = last.y; if (evt.shiftKey) { var xya = svgedit.math.snapToAngle(lastx, lasty, x, y); x = xya.x; y = xya.y; } // Use the segment defined by stretchy var s_seg = stretchy.pathSegList.getItem(1); if (s_seg.pathSegType === 4) { var newseg = drawn_path.createSVGPathSegLinetoAbs(round(x), round(y)); } else { var newseg = drawn_path.createSVGPathSegCurvetoCubicAbs( round(x), round(y), s_seg.x1 / current_zoom, s_seg.y1 / current_zoom, s_seg.x2 / current_zoom, s_seg.y2 / current_zoom ); } drawn_path.pathSegList.appendItem(newseg); x *= current_zoom; y *= current_zoom; // set stretchy line to latest point stretchy.setAttribute('d', ['M', x, y, x, y].join(' ')); var index = num; if (subpath) index += svgedit.path.path.segs.length; svgedit.path.addPointGrip(index, x, y); } // keep = true; } return; } // TODO: Make sure current_path isn't null at this point if (!svgedit.path.path) return; svgedit.path.path.storeD(); var id = evt.target.id; if (id.substr(0,14) == "pathpointgrip_") { // Select this point var cur_pt = svgedit.path.path.cur_pt = parseInt(id.substr(14)); svgedit.path.path.dragging = [start_x, start_y]; var seg = svgedit.path.path.segs[cur_pt]; // only clear selection if shift is not pressed (otherwise, add // node to selection) if (!evt.shiftKey) { if (svgedit.path.path.selected_pts.length <= 1 || !seg.selected) { svgedit.path.path.clearSelection(); } svgedit.path.path.addPtsToSelection(cur_pt); } else if (seg.selected) { svgedit.path.path.removePtFromSelection(cur_pt); } else { svgedit.path.path.addPtsToSelection(cur_pt); } } else if (id.indexOf("ctrlpointgrip_") == 0) { svgedit.path.path.dragging = [start_x, start_y]; var parts = id.split('_')[1].split('c'); var cur_pt = parts[0]-0; var ctrl_num = parts[1]-0; svgedit.path.path.selectPt(cur_pt, ctrl_num); } // Start selection box if (!svgedit.path.path.dragging) { if (rubberBox == null) { rubberBox = selectorManager.getRubberBandBox(); } svgedit.utilities.assignAttributes(rubberBox, { 'x': start_x * current_zoom, 'y': start_y * current_zoom, 'width': 0, 'height': 0, 'display': 'inline' }, 100); } }, mouseMove: function(mouse_x, mouse_y) { hasMoved = true; if (current_mode === "path") { if (!drawn_path) return; var seglist = drawn_path.pathSegList; var index = seglist.numberOfItems - 1; if (newPoint) { // First point // if (!index) return; // Set control points var pointGrip1 = svgedit.path.addCtrlGrip('1c1'); var pointGrip2 = svgedit.path.addCtrlGrip('0c2'); // dragging pointGrip1 pointGrip1.setAttribute('cx', mouse_x); pointGrip1.setAttribute('cy', mouse_y); pointGrip1.setAttribute('display', 'inline'); var pt_x = newPoint[0]; var pt_y = newPoint[1]; // set curve var seg = seglist.getItem(index); var cur_x = mouse_x / current_zoom; var cur_y = mouse_y / current_zoom; var alt_x = (pt_x + (pt_x - cur_x)); var alt_y = (pt_y + (pt_y - cur_y)); pointGrip2.setAttribute('cx', alt_x * current_zoom); pointGrip2.setAttribute('cy', alt_y * current_zoom); pointGrip2.setAttribute('display', 'inline'); var ctrlLine = svgedit.path.getCtrlLine(1); svgedit.utilities.assignAttributes(ctrlLine, { x1: mouse_x, y1: mouse_y, x2: alt_x * current_zoom, y2: alt_y * current_zoom, display: 'inline' }); if (index === 0) { firstCtrl = [mouse_x, mouse_y]; } else { var last_x, last_y; var last = seglist.getItem(index - 1); var last_x = last.x; var last_y = last.y; if (last.pathSegType === 6) { last_x += (last_x - last.x2); last_y += (last_y - last.y2); } else if (firstCtrl) { last_x = firstCtrl[0]/current_zoom; last_y = firstCtrl[1]/current_zoom; } svgedit.path.replacePathSeg(6, index, [pt_x, pt_y, last_x, last_y, alt_x, alt_y], drawn_path); } } else { var stretchy = svgedit.utilities.getElem("path_stretch_line"); if (stretchy) { var prev = seglist.getItem(index); if (prev.pathSegType === 6) { var prev_x = prev.x + (prev.x - prev.x2); var prev_y = prev.y + (prev.y - prev.y2); svgedit.path.replacePathSeg(6, 1, [mouse_x, mouse_y, prev_x * current_zoom, prev_y * current_zoom, mouse_x, mouse_y], stretchy); } else if (firstCtrl) { svgedit.path.replacePathSeg(6, 1, [mouse_x, mouse_y, firstCtrl[0], firstCtrl[1], mouse_x, mouse_y], stretchy); } else { svgedit.path.replacePathSeg(4, 1, [mouse_x, mouse_y], stretchy); } } } return; } // if we are dragging a point, let's move it if (svgedit.path.path.dragging) { var pt = svgedit.path.getPointFromGrip({ x: svgedit.path.path.dragging[0], y: svgedit.path.path.dragging[1] }, svgedit.path.path); var mpt = svgedit.path.getPointFromGrip({ x: mouse_x, y: mouse_y }, svgedit.path.path); var diff_x = mpt.x - pt.x; var diff_y = mpt.y - pt.y; svgedit.path.path.dragging = [mouse_x, mouse_y]; if (svgedit.path.path.dragctrl) { svgedit.path.path.moveCtrl(diff_x, diff_y); } else { svgedit.path.path.movePts(diff_x, diff_y); } } else { svgedit.path.path.selected_pts = []; svgedit.path.path.eachSeg(function(i) { var seg = this; if (!seg.next && !seg.prev) return; var item = seg.item; var rbb = rubberBox.getBBox(); var pt = svgedit.path.getGripPt(seg); var pt_bb = { x: pt.x, y: pt.y, width: 0, height: 0 }; var sel = svgedit.math.rectsIntersect(rbb, pt_bb); this.select(sel); //Note that addPtsToSelection is not being run if (sel) svgedit.path.path.selected_pts.push(seg.index); }); } }, mouseUp: function(evt, element, mouse_x, mouse_y) { // Create mode if (current_mode === "path") { newPoint = null; if (!drawn_path) { element = svgedit.utilities.getElem(getId()); started = false; firstCtrl = null; } return { keep: true, element: element }; } // Edit mode if (svgedit.path.path.dragging) { var last_pt = svgedit.path.path.cur_pt; svgedit.path.path.dragging = false; svgedit.path.path.dragctrl = false; svgedit.path.path.update(); if (hasMoved) { svgedit.path.path.endChanges("Move path point(s)"); } if (!evt.shiftKey && !hasMoved) { svgedit.path.path.selectPt(last_pt); } } else if (rubberBox && rubberBox.getAttribute('display') != 'none') { // Done with multi-node-select rubberBox.setAttribute("display", "none"); if (rubberBox.getAttribute('width') <= 2 && rubberBox.getAttribute('height') <= 2) { pathActions.toSelectMode(evt.target); } // else, move back to select mode } else { pathActions.toSelectMode(evt.target); } hasMoved = false; }, toEditMode: function(element) { svgedit.path.path = svgedit.path.getPath_(element); current_mode = "pathedit"; clearSelection(); svgedit.path.path.show(true).update(); svgedit.path.path.oldbbox = svgedit.utilities.getBBox(svgedit.path.path.elem); subpath = false; }, toSelectMode: function(elem) { var selPath = (elem == svgedit.path.path.elem); current_mode = "select"; svgedit.path.path.show(false); current_path = false; clearSelection(); if (svgedit.path.path.matrix) { // Rotated, so may need to re-calculate the center svgedit.path.recalcRotatedPath(); } if (selPath) { call("selected", [elem]); addToSelection([elem], true); } }, addSubPath: function(on) { if (on) { // Internally we go into "path" mode, but in the UI it will // still appear as if in "pathedit" mode. current_mode = "path"; subpath = true; } else { pathActions.clear(true); pathActions.toEditMode(svgedit.path.path.elem); } }, select: function(target) { if (current_path === target) { pathActions.toEditMode(target); current_mode = "pathedit"; } // going into pathedit mode else { current_path = target; } }, reorient: function() { var elem = selectedElements[0]; if (!elem) return; var angle = svgedit.utilities.getRotationAngle(elem); if (angle == 0) return; var batchCmd = new svgedit.history.BatchCommand("Reorient path"); var changes = { d: elem.getAttribute('d'), transform: elem.getAttribute('transform') }; batchCmd.addSubCommand(new svgedit.history.ChangeElementCommand(elem, changes)); clearSelection(); this.resetOrientation(elem); addCommandToHistory(batchCmd); // Set matrix to null svgedit.path.getPath_(elem).show(false).matrix = null; this.clear(); addToSelection([elem], true); call("changed", selectedElements); }, clear: function(remove) { current_path = null; if (drawn_path) { var elem = svgedit.utilities.getElem(getId()); $(svgedit.utilities.getElem("path_stretch_line")).remove(); $(elem).remove(); $(svgedit.utilities.getElem("pathpointgrip_container")).find('*').attr('display', 'none'); drawn_path = firstCtrl = null; started = false; } else if (current_mode == "pathedit") { this.toSelectMode(); } if (svgedit.path.path) svgedit.path.path.init().show(false); }, resetOrientation: function(path) { if (path == null || path.nodeName != 'path') return false; var tlist = svgedit.transformlist.getTransformList(path); var m = svgedit.math.transformListToTransform(tlist).matrix; tlist.clear(); path.removeAttribute("transform"); var segList = path.pathSegList; // Opera/win/non-EN throws an error here. // TODO: Find out why! // Presumed fixed in Opera 10.5, so commented out for now // try { var len = segList.numberOfItems; // } catch(err) { // var fixed_d = pathActions.convertPath(path); // path.setAttribute('d', fixed_d); // segList = path.pathSegList; // var len = segList.numberOfItems; // } var last_x, last_y; for (var i = 0; i < len; ++i) { var seg = segList.getItem(i); var type = seg.pathSegType; if (type == 1) continue; var pts = []; $.each(['',1,2], function(j, n) { var x = seg['x'+n], y = seg['y'+n]; if (x !== undefined && y !== undefined) { var pt = svgedit.math.transformPoint(x, y, m); pts.splice(pts.length, 0, pt.x, pt.y); } }); svgedit.path.replacePathSeg(type, i, pts, path); } reorientGrads(path, m); }, zoomChange: function() { if (current_mode == "pathedit") { svgedit.path.path.update(); } }, getNodePoint: function() { var sel_pt = svgedit.path.path.selected_pts.length ? svgedit.path.path.selected_pts[0] : 1; var seg = svgedit.path.path.segs[sel_pt]; return { x: seg.item.x, y: seg.item.y, type: seg.type }; }, linkControlPoints: function(linkPoints) { svgedit.path.setLinkControlPoints(linkPoints); }, clonePathNode: function() { svgedit.path.path.storeD(); var sel_pts = svgedit.path.path.selected_pts; var segs = svgedit.path.path.segs; var i = sel_pts.length; var nums = []; while (i--) { var pt = sel_pts[i]; svgedit.path.path.addSeg(pt); nums.push(pt + i); nums.push(pt + i + 1); } svgedit.path.path.init().addPtsToSelection(nums); svgedit.path.path.endChanges("Clone path node(s)"); }, opencloseSubPath: function() { var sel_pts = svgedit.path.path.selected_pts; // Only allow one selected node for now if (sel_pts.length !== 1) return; var elem = svgedit.path.path.elem; var list = elem.pathSegList; var len = list.numberOfItems; var index = sel_pts[0]; var open_pt = null; var start_item = null; // Check if subpath is already open svgedit.path.path.eachSeg(function(i) { if (this.type === 2 && i <= index) { start_item = this.item; } if (i <= index) return true; if (this.type === 2) { // Found M first, so open open_pt = i; return false; } else if (this.type === 1) { // Found Z first, so closed open_pt = false; return false; } }); if (open_pt == null) { // Single path, so close last seg open_pt = svgedit.path.path.segs.length - 1; } if (open_pt !== false) { // Close this path // Create a line going to the previous "M" var newseg = elem.createSVGPathSegLinetoAbs(start_item.x, start_item.y); var closer = elem.createSVGPathSegClosePath(); if (open_pt == svgedit.path.path.segs.length - 1) { list.appendItem(newseg); list.appendItem(closer); } else { svgedit.path.insertItemBefore(elem, closer, open_pt); svgedit.path.insertItemBefore(elem, newseg, open_pt); } svgedit.path.path.init().selectPt(open_pt+1); return; } // M 1,1 L 2,2 L 3,3 L 1,1 z // open at 2,2 // M 2,2 L 3,3 L 1,1 // M 1,1 L 2,2 L 1,1 z M 4,4 L 5,5 L6,6 L 5,5 z // M 1,1 L 2,2 L 1,1 z [M 4,4] L 5,5 L(M)6,6 L 5,5 z var seg = svgedit.path.path.segs[index]; if (seg.mate) { list.removeItem(index); // Removes last "L" list.removeItem(index); // Removes the "Z" svgedit.path.path.init().selectPt(index - 1); return; } var last_m, z_seg; // Find this sub-path's closing point and remove for (var i=0; i<list.numberOfItems; i++) { var item = list.getItem(i); if (item.pathSegType === 2) { // Find the preceding M last_m = i; } else if (i === index) { // Remove it list.removeItem(last_m); // index--; } else if (item.pathSegType === 1 && index < i) { // Remove the closing seg of this subpath z_seg = i-1; list.removeItem(i); break; } } var num = (index - last_m) - 1; while (num--) { svgedit.path.insertItemBefore(elem, list.getItem(last_m), z_seg); } var pt = list.getItem(last_m); // Make this point the new "M" svgedit.path.replacePathSeg(2, last_m, [pt.x, pt.y]); var i = index; svgedit.path.path.init().selectPt(0); }, deletePathNode: function() { if (!pathActions.canDeleteNodes) return; svgedit.path.path.storeD(); var sel_pts = svgedit.path.path.selected_pts; var i = sel_pts.length; while (i--) { var pt = sel_pts[i]; svgedit.path.path.deleteSeg(pt); } // Cleanup var cleanup = function() { var segList = svgedit.path.path.elem.pathSegList; var len = segList.numberOfItems; var remItems = function(pos, count) { while (count--) { segList.removeItem(pos); } }; if (len <= 1) return true; while (len--) { var item = segList.getItem(len); if (item.pathSegType === 1) { var prev = segList.getItem(len-1); var nprev = segList.getItem(len-2); if (prev.pathSegType === 2) { remItems(len-1, 2); cleanup(); break; } else if (nprev.pathSegType === 2) { remItems(len-2, 3); cleanup(); break; } } else if (item.pathSegType === 2) { if (len > 0) { var prev_type = segList.getItem(len-1).pathSegType; // Path has M M if (prev_type === 2) { remItems(len-1, 1); cleanup(); break; // Entire path ends with Z M } else if (prev_type === 1 && segList.numberOfItems-1 === len) { remItems(len, 1); cleanup(); break; } } } } return false; }; cleanup(); // Completely delete a path with 1 or 0 segments if (svgedit.path.path.elem.pathSegList.numberOfItems <= 1) { pathActions.toSelectMode(svgedit.path.path.elem); canvas.deleteSelectedElements(); return; } svgedit.path.path.init(); svgedit.path.path.clearSelection(); // TODO: Find right way to select point now // path.selectPt(sel_pt); if (window.opera) { // Opera repaints incorrectly var cp = $(svgedit.path.path.elem); cp.attr('d', cp.attr('d')); } svgedit.path.path.endChanges("Delete path node(s)"); }, smoothPolylineIntoPath: smoothPolylineIntoPath, setSegType: function(v) { svgedit.path.path.setSegType(v); }, moveNode: function(attr, newValue) { var sel_pts = svgedit.path.path.selected_pts; if (!sel_pts.length) return; svgedit.path.path.storeD(); // Get first selected point var seg = svgedit.path.path.segs[sel_pts[0]]; var diff = {x:0, y:0}; diff[attr] = newValue - seg.item[attr]; seg.move(diff.x, diff.y); svgedit.path.path.endChanges("Move path point"); }, fixEnd: function(elem) { // Adds an extra segment if the last seg before a Z doesn't end // at its M point // M0,0 L0,100 L100,100 z var segList = elem.pathSegList; var len = segList.numberOfItems; var last_m; for (var i = 0; i < len; ++i) { var item = segList.getItem(i); if (item.pathSegType === 2) { last_m = item; } if (item.pathSegType === 1) { var prev = segList.getItem(i-1); if (prev.x != last_m.x || prev.y != last_m.y) { // Add an L segment here var newseg = elem.createSVGPathSegLinetoAbs(last_m.x, last_m.y); svgedit.path.insertItemBefore(elem, newseg, i); // Can this be done better? pathActions.fixEnd(elem); break; } } } if (svgedit.browser.isWebkit()) resetD(elem); }, // Convert a path to one with only absolute or relative values convertPath: function(path, toRel) { var segList = path.pathSegList; var len = segList.numberOfItems; var curx = 0, cury = 0; var d = ""; var last_m = null; for (var i = 0; i < len; ++i) { var seg = segList.getItem(i); // if these properties are not in the segment, set them to zero var x = seg.x || 0, y = seg.y || 0, x1 = seg.x1 || 0, y1 = seg.y1 || 0, x2 = seg.x2 || 0, y2 = seg.y2 || 0; var type = seg.pathSegType; var letter = pathMap[type]['to'+(toRel?'Lower':'Upper')+'Case'](); var addToD = function(pnts, more, last) { var str = ''; var more = more?' '+more.join(' '):''; var last = last?' '+svgedit.units.shortFloat(last):''; $.each(pnts, function(i, pnt) { pnts[i] = svgedit.units.shortFloat(pnt); }); d += letter + pnts.join(' ') + more + last; }; switch (type) { case 1: // z,Z closepath (Z/z) d += "z"; break; case 12: // absolute horizontal line (H) x -= curx; case 13: // relative horizontal line (h) if (toRel) { curx += x; letter = 'l'; } else { x += curx; curx = x; letter = 'L'; } // Convert to "line" for easier editing addToD([[x, cury]]); break; case 14: // absolute vertical line (V) y -= cury; case 15: // relative vertical line (v) if (toRel) { cury += y; letter = 'l'; } else { y += cury; cury = y; letter = 'L'; } // Convert to "line" for easier editing addToD([[curx, y]]); break; case 2: // absolute move (M) case 4: // absolute line (L) case 18: // absolute smooth quad (T) x -= curx; y -= cury; case 5: // relative line (l) case 3: // relative move (m) // If the last segment was a "z", this must be relative to if (last_m && segList.getItem(i-1).pathSegType === 1 && !toRel) { curx = last_m[0]; cury = last_m[1]; } case 19: // relative smooth quad (t) if (toRel) { curx += x; cury += y; } else { x += curx; y += cury; curx = x; cury = y; } if (type === 3) last_m = [curx, cury]; addToD([[x, y]]); break; case 6: // absolute cubic (C) x -= curx; x1 -= curx; x2 -= curx; y -= cury; y1 -= cury; y2 -= cury; case 7: // relative cubic (c) if (toRel) { curx += x; cury += y; } else { x += curx; x1 += curx; x2 += curx; y += cury; y1 += cury; y2 += cury; curx = x; cury = y; } addToD([[x1, y1], [x2, y2], [x, y]]); break; case 8: // absolute quad (Q) x -= curx; x1 -= curx; y -= cury; y1 -= cury; case 9: // relative quad (q) if (toRel) { curx += x; cury += y; } else { x += curx; x1 += curx; y += cury; y1 += cury; curx = x; cury = y; } addToD([[x1, y1],[x, y]]); break; case 10: // absolute elliptical arc (A) x -= curx; y -= cury; case 11: // relative elliptical arc (a) if (toRel) { curx += x; cury += y; } else { x += curx; y += cury; curx = x; cury = y; } addToD([[seg.r1, seg.r2]], [ seg.angle, (seg.largeArcFlag ? 1 : 0), (seg.sweepFlag ? 1 : 0) ], [x, y] ); break; case 16: // absolute smooth cubic (S) x -= curx; x2 -= curx; y -= cury; y2 -= cury; case 17: // relative smooth cubic (s) if (toRel) { curx += x; cury += y; } else { x += curx; x2 += curx; y += cury; y2 += cury; curx = x; cury = y; } addToD([[x2, y2],[x, y]]); break; } // switch on path segment type } // for each segment return d; } }; }(); // end pathActions // Group: Serialization // Function: removeUnusedDefElems // Looks at DOM elements inside the <defs> to see if they are referred to, // removes them from the DOM if they are not. // // Returns: // The amount of elements that were removed var removeUnusedDefElems = this.removeUnusedDefElems = function() { var defs = svgcontent.getElementsByTagNameNS(NS.SVG, "defs"); if (!defs || !defs.length) return 0; // if (!defs.firstChild) return; var defelem_uses = [], numRemoved = 0; var attrs = ['fill', 'stroke', 'filter', 'marker-start', 'marker-mid', 'marker-end']; var alen = attrs.length; var all_els = svgcontent.getElementsByTagNameNS(NS.SVG, '*'); var all_len = all_els.length; for (var i=0; i<all_len; i++) { var el = all_els[i]; for (var j = 0; j < alen; j++) { var ref = svgedit.utilities.getUrlFromAttr(el.getAttribute(attrs[j])); if (ref) { defelem_uses.push(ref.substr(1)); } } // gradients can refer to other gradients var href = getHref(el); if (href && href.indexOf('#') === 0) { defelem_uses.push(href.substr(1)); } } var defelems = $(defs).find("linearGradient, radialGradient, filter, marker, svg, symbol"); defelem_ids = [], i = defelems.length; while (i--) { var defelem = defelems[i]; var id = defelem.id; if (defelem_uses.indexOf(id) < 0) { // Not found, so remove (but remember) removedElements[id] = defelem; defelem.parentNode.removeChild(defelem); numRemoved++; } } return numRemoved; }; // Function: svgCanvasToString // Main function to set up the SVG content for output // // Returns: // String containing the SVG image for output this.svgCanvasToString = function() { // keep calling it until there are none to remove while (removeUnusedDefElems() > 0) {} pathActions.clear(true); // Keep SVG-Edit comment on top $.each(svgcontent.childNodes, function(i, node) { if (i && node.nodeType === 8 && node.data.indexOf('Created with') >= 0) { svgcontent.insertBefore(node, svgcontent.firstChild); } }); // Move out of in-group editing mode if (current_group) { leaveContext(); selectOnly([current_group]); } var naked_svgs = []; // Unwrap gsvg if it has no special attributes (only id and style) $(svgcontent).find('g:data(gsvg)').each(function() { var attrs = this.attributes; var len = attrs.length; for (var i=0; i<len; i++) { if (attrs[i].nodeName == 'id' || attrs[i].nodeName == 'style') { len--; } } // No significant attributes, so ungroup if (len <= 0) { var svg = this.firstChild; naked_svgs.push(svg); $(this).replaceWith(svg); } }); var output = this.svgToString(svgcontent, 0); // Rewrap gsvg if (naked_svgs.length) { $(naked_svgs).each(function() { groupSvgElem(this); }); } return output; }; // Function: svgToString // Sub function ran on each SVG element to convert it to a string as desired // // Parameters: // elem - The SVG element to convert // indent - Integer with the amount of spaces to indent this tag // // Returns: // String with the given element as an SVG tag this.svgToString = function(elem, indent) { var out = [], toXml = svgedit.utilities.toXml; var unit = curConfig.baseUnit; var unit_re = new RegExp('^-?[\\d\\.]+' + unit + '$'); if (elem) { cleanupElement(elem); var attrs = elem.attributes, attr, i, childs = elem.childNodes; for (var i=0; i<indent; i++) out.push(" "); out.push("<"); out.push(elem.nodeName); if (elem.id === 'svgcontent') { // Process root element separately var res = getResolution(); var vb = ""; // TODO: Allow this by dividing all values by current baseVal // Note that this also means we should properly deal with this on import // if (curConfig.baseUnit !== "px") { // var unit = curConfig.baseUnit; // var unit_m = svgedit.units.getTypeMap()[unit]; // res.w = svgedit.units.shortFloat(res.w / unit_m) // res.h = svgedit.units.shortFloat(res.h / unit_m) // vb = ' viewBox="' + [0, 0, res.w, res.h].join(' ') + '"'; // res.w += unit; // res.h += unit; // } if (unit !== "px") { res.w = svgedit.units.convertUnit(res.w, unit) + unit; res.h = svgedit.units.convertUnit(res.h, unit) + unit; } out.push(' width="' + res.w + '" height="' + res.h + '"' + vb + ' xmlns="'+NS.SVG+'"'); var nsuris = {}; // Check elements for namespaces, add if found $(elem).find('*').andSelf().each(function() { var el = this; // for some elements have no attribute var uri = this.namespaceURI; if(uri && !nsuris[uri] && nsMap[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml' ) { nsuris[uri] = true; out.push(" xmlns:" + nsMap[uri] + '="' + uri +'"'); } $.each(this.attributes, function(i, attr) { var uri = attr.namespaceURI; if (uri && !nsuris[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml' ) { nsuris[uri] = true; out.push(" xmlns:" + nsMap[uri] + '="' + uri +'"'); } }); }); var i = attrs.length; var attr_names = ['width', 'height', 'xmlns', 'x', 'y', 'viewBox', 'id', 'overflow']; while (i--) { attr = attrs.item(i); var attrVal = toXml(attr.nodeValue); // Namespaces have already been dealt with, so skip if (attr.nodeName.indexOf('xmlns:') === 0) continue; // only serialize attributes we don't use internally if (attrVal != "" && attr_names.indexOf(attr.localName) == -1) { if (!attr.namespaceURI || nsMap[attr.namespaceURI]) { out.push(' '); out.push(attr.nodeName); out.push("=\""); out.push(attrVal); out.push("\""); } } } } else { // Skip empty defs if (elem.nodeName === 'defs' && !elem.firstChild) return; var moz_attrs = ['-moz-math-font-style', '_moz-math-font-style']; for (var i=attrs.length-1; i>=0; i--) { attr = attrs.item(i); var attrVal = toXml(attr.nodeValue); //remove bogus attributes added by Gecko if (moz_attrs.indexOf(attr.localName) >= 0) continue; if (attrVal != "") { if (attrVal.indexOf('pointer-events') === 0) continue; if (attr.localName === "class" && attrVal.indexOf('se_') === 0) continue; out.push(" "); if (attr.localName === 'd') attrVal = pathActions.convertPath(elem, true); if (!isNaN(attrVal)) { attrVal = svgedit.units.shortFloat(attrVal); } else if (unit_re.test(attrVal)) { attrVal = svgedit.units.shortFloat(attrVal) + unit; } // Embed images when saving if (save_options.apply && elem.nodeName === 'image' && attr.localName === 'href' && save_options.images && save_options.images === 'embed') { var img = encodableImages[attrVal]; if (img) attrVal = img; } // map various namespaces to our fixed namespace prefixes // (the default xmlns attribute itself does not get a prefix) if (!attr.namespaceURI || attr.namespaceURI == NS.SVG || nsMap[attr.namespaceURI]) { out.push(attr.nodeName); out.push("=\""); out.push(attrVal); out.push("\""); } } } } if (elem.hasChildNodes()) { out.push(">"); indent++; var bOneLine = false; for (var i=0; i<childs.length; i++) { var child = childs.item(i); switch(child.nodeType) { case 1: // element node out.push("\n"); out.push(this.svgToString(childs.item(i), indent)); break; case 3: // text node var str = child.nodeValue.replace(/^\s+|\s+$/g, ""); if (str != "") { bOneLine = true; out.push(toXml(str) + ""); } break; case 4: // cdata node out.push("\n"); out.push(new Array(indent+1).join(" ")); out.push("<![CDATA["); out.push(child.nodeValue); out.push("]]>"); break; case 8: // comment out.push("\n"); out.push(new Array(indent+1).join(" ")); out.push(""); break; } // switch on node type } indent--; if (!bOneLine) { out.push("\n"); for (var i=0; i<indent; i++) out.push(" "); } out.push("</"); out.push(elem.nodeName); out.push(">"); } else { out.push("/>"); } } return out.join(''); }; // end svgToString() // Function: embedImage // Converts a given image file to a data URL when possible, then runs a given callback // // Parameters: // val - String with the path/URL of the image // callback - Optional function to run when image data is found, supplies the // result (data URL or false) as first parameter. this.embedImage = function(val, callback) { // load in the image and once it's loaded, get the dimensions $(new Image()).load(function() { // create a canvas the same size as the raster image var canvas = document.createElement("canvas"); canvas.width = this.width; canvas.height = this.height; // load the raster image into the canvas canvas.getContext("2d").drawImage(this, 0, 0); // retrieve the data: URL try { var urldata = ';svgedit_url=' + encodeURIComponent(val); urldata = canvas.toDataURL().replace(';base64', urldata+';base64'); encodableImages[val] = urldata; } catch(e) { encodableImages[val] = false; } last_good_img_url = val; if (callback) callback(encodableImages[val]); }).attr('src', val); }; // Function: setGoodImage // Sets a given URL to be a "last good image" URL this.setGoodImage = function(val) { last_good_img_url = val; }; this.open = function() { // Nothing by default, handled by optional widget/extension }; // Function: save // Serializes the current drawing into SVG XML text and returns it to the 'saved' handler. // This function also includes the XML prolog. Clients of the SvgCanvas bind their save // function to the 'saved' event. // // Returns: // Nothing this.save = function(opts) { // remove the selected outline before serializing clearSelection(); // Update save options if provided if (opts) $.extend(save_options, opts); save_options.apply = true; // no need for doctype, see http://jwatt.org/svg/authoring/#doctype-declaration var str = this.svgCanvasToString(); call("saved", str); }; // Function: rasterExport // Generates a Data URL based on the current image, then calls "exported" // with an object including the string, image information, and any issues found this.rasterExport = function(imgType, quality) { var mimeType = 'image/' + imgType.toLowerCase(); // remove the selected outline before serializing clearSelection(); // Check for known CanVG issues var issues = []; // Selector and notice var issue_list = { 'feGaussianBlur': uiStrings.exportNoBlur, 'foreignObject': uiStrings.exportNoforeignObject, '[stroke-dasharray]': uiStrings.exportNoDashArray }; var content = $(svgcontent); // Add font/text check if Canvas Text API is not implemented if (!("font" in $('<canvas>')[0].getContext('2d'))) { issue_list['text'] = uiStrings.exportNoText; } $.each(issue_list, function(sel, descr) { if (content.find(sel).length) { issues.push(descr); } }); var str = this.svgCanvasToString(); call("exported", {svg: str, issues: issues, type: imgType, mimeType: mimeType, quality: quality}); }; // Function: getSvgString // Returns the current drawing as raw SVG XML text. // // Returns: // The current drawing as raw SVG XML text. this.getSvgString = function() { save_options.apply = false; return this.svgCanvasToString(); }; // Function: randomizeIds // This function determines whether to use a nonce in the prefix, when // generating IDs for future documents in SVG-Edit. // // Parameters: // an optional boolean, which, if true, adds a nonce to the prefix. Thus // svgCanvas.randomizeIds() <==> svgCanvas.randomizeIds(true) // // if you're controlling SVG-Edit externally, and want randomized IDs, call // this BEFORE calling svgCanvas.setSvgString // this.randomizeIds = function() { if (arguments.length > 0 && arguments[0] == false) { svgedit.draw.randomizeIds(false, getCurrentDrawing()); } else { svgedit.draw.randomizeIds(true, getCurrentDrawing()); } }; // Function: uniquifyElems // Ensure each element has a unique ID // // Parameters: // g - The parent element of the tree to give unique IDs var uniquifyElems = this.uniquifyElems = function(g) { var ids = {}; // TODO: Handle markers and connectors. These are not yet re-identified properly // as their referring elements do not get remapped. // // <marker id='se_marker_end_svg_7'/> // <polyline id='svg_7' se:connector='svg_1 svg_6' marker-end='url(#se_marker_end_svg_7)'/> // // Problem #1: if svg_1 gets renamed, we do not update the polyline's se:connector attribute // Problem #2: if the polyline svg_7 gets renamed, we do not update the marker id nor the polyline's marker-end attribute var ref_elems = ["filter", "linearGradient", "pattern", "radialGradient", "symbol", "textPath", "use"]; svgedit.utilities.walkTree(g, function(n) { // if it's an element node if (n.nodeType == 1) { // and the element has an ID if (n.id) { // and we haven't tracked this ID yet if (!(n.id in ids)) { // add this id to our map ids[n.id] = {elem:null, attrs:[], hrefs:[]}; } ids[n.id]["elem"] = n; } // now search for all attributes on this element that might refer // to other elements $.each(ref_attrs, function(i, attr) { var attrnode = n.getAttributeNode(attr); if (attrnode) { // the incoming file has been sanitized, so we should be able to safely just strip off the leading # var url = svgedit.utilities.getUrlFromAttr(attrnode.value), refid = url ? url.substr(1) : null; if (refid) { if (!(refid in ids)) { // add this id to our map ids[refid] = {elem:null, attrs:[], hrefs:[]}; } ids[refid]["attrs"].push(attrnode); } } }); // check xlink:href now var href = svgedit.utilities.getHref(n); // TODO: what if an <image> or <a> element refers to an element internally? if (href && ref_elems.indexOf(n.nodeName) >= 0) { var refid = href.substr(1); if (refid) { if (!(refid in ids)) { // add this id to our map ids[refid] = {elem:null, attrs:[], hrefs:[]}; } ids[refid]["hrefs"].push(n); } } } }); // in ids, we now have a map of ids, elements and attributes, let's re-identify for (var oldid in ids) { if (!oldid) continue; var elem = ids[oldid]["elem"]; if (elem) { var newid = getNextId(); // assign element its new id elem.id = newid; // remap all url() attributes var attrs = ids[oldid]["attrs"]; var j = attrs.length; while (j--) { var attr = attrs[j]; attr.ownerElement.setAttribute(attr.name, "url(#" + newid + ")"); } // remap all href attributes var hreffers = ids[oldid]["hrefs"]; var k = hreffers.length; while (k--) { var hreffer = hreffers[k]; svgedit.utilities.setHref(hreffer, "#"+newid); } } } }; // Function setUseData // Assigns reference data for each use element var setUseData = this.setUseData = function(parent) { var elems = $(parent); if (parent.tagName !== 'use') { elems = elems.find('use'); } elems.each(function() { var id = getHref(this).substr(1); var ref_elem = svgedit.utilities.getElem(id); if (!ref_elem) return; $(this).data('ref', ref_elem); if (ref_elem.tagName == 'symbol' || ref_elem.tagName == 'svg') { $(this).data('symbol', ref_elem).data('ref', ref_elem); } }); }; // Function convertGradients // Converts gradients from userSpaceOnUse to objectBoundingBox var convertGradients = this.convertGradients = function(elem) { var elems = $(elem).find('linearGradient, radialGradient'); if (!elems.length && svgedit.browser.isWebkit()) { // Bug in webkit prevents regular *Gradient selector search elems = $(elem).find('*').filter(function() { return (this.tagName.indexOf('Gradient') >= 0); }); } elems.each(function() { var grad = this; if ($(grad).attr('gradientUnits') === 'userSpaceOnUse') { // TODO: Support more than one element with this ref by duplicating parent grad var elems = $(svgcontent).find('[fill="url(#' + grad.id + ')"],[stroke="url(#' + grad.id + ')"]'); if (!elems.length) return; // get object's bounding box var bb = svgedit.utilities.getBBox(elems[0]); // This will occur if the element is inside a <defs> or a <symbol>, // in which we shouldn't need to convert anyway. if (!bb) return; if (grad.tagName === 'linearGradient') { var g_coords = $(grad).attr(['x1', 'y1', 'x2', 'y2']); // If has transform, convert var tlist = grad.gradientTransform.baseVal; if (tlist && tlist.numberOfItems > 0) { var m = svgedit.math.transformListToTransform(tlist).matrix; var pt1 = svgedit.math.transformPoint(g_coords.x1, g_coords.y1, m); var pt2 = svgedit.math.transformPoint(g_coords.x2, g_coords.y2, m); g_coords.x1 = pt1.x; g_coords.y1 = pt1.y; g_coords.x2 = pt2.x; g_coords.y2 = pt2.y; grad.removeAttribute('gradientTransform'); } $(grad).attr({ x1: (g_coords.x1 - bb.x) / bb.width, y1: (g_coords.y1 - bb.y) / bb.height, x2: (g_coords.x2 - bb.x) / bb.width, y2: (g_coords.y2 - bb.y) / bb.height }); grad.removeAttribute('gradientUnits'); } else { // Note: radialGradient elements cannot be easily converted // because userSpaceOnUse will keep circular gradients, while // objectBoundingBox will x/y scale the gradient according to // its bbox. // For now we'll do nothing, though we should probably have // the gradient be updated as the element is moved, as // inkscape/illustrator do. // var g_coords = $(grad).attr(['cx', 'cy', 'r']); // // $(grad).attr({ // cx: (g_coords.cx - bb.x) / bb.width, // cy: (g_coords.cy - bb.y) / bb.height, // r: g_coords.r // }); // // grad.removeAttribute('gradientUnits'); } } }); }; // Function: convertToGroup // Converts selected/given <use> or child SVG element to a group var convertToGroup = this.convertToGroup = function(elem) { if (!elem) { elem = selectedElements[0]; } var $elem = $(elem); var batchCmd = new svgedit.history.BatchCommand(); var ts; if ($elem.data('gsvg')) { // Use the gsvg as the new group var svg = elem.firstChild; var pt = $(svg).attr(['x', 'y']); $(elem.firstChild.firstChild).unwrap(); $(elem).removeData('gsvg'); var tlist = svgedit.transformlist.getTransformList(elem); var xform = svgroot.createSVGTransform(); xform.setTranslate(pt.x, pt.y); tlist.appendItem(xform); svgedit.recalculate.recalculateDimensions(elem); call("selected", [elem]); } else if ($elem.data('symbol')) { elem = $elem.data('symbol'); ts = $elem.attr('transform'); var pos = $elem.attr(['x', 'y']); var vb = elem.getAttribute('viewBox'); if (vb) { var nums = vb.split(' '); pos.x -= +nums[0]; pos.y -= +nums[1]; } // Not ideal, but works ts += " translate(" + (pos.x || 0) + "," + (pos.y || 0) + ")"; var prev = $elem.prev(); // Remove <use> element batchCmd.addSubCommand(new svgedit.history.RemoveElementCommand($elem[0], $elem[0].nextSibling, $elem[0].parentNode)); $elem.remove(); // See if other elements reference this symbol var has_more = $(svgcontent).find('use:data(symbol)').length; var g = svgdoc.createElementNS(NS.SVG, "g"); var childs = elem.childNodes; for (var i = 0; i < childs.length; i++) { g.appendChild(childs[i].cloneNode(true)); } // Duplicate the gradients for Gecko, since they weren't included in the <symbol> if (svgedit.browser.isGecko()) { var dupeGrads = $(svgedit.utilities.findDefs()).children('linearGradient,radialGradient,pattern').clone(); $(g).append(dupeGrads); } if (ts) { g.setAttribute("transform", ts); } var parent = elem.parentNode; uniquifyElems(g); // Put the dupe gradients back into <defs> (after uniquifying them) if (svgedit.browser.isGecko()) { $(findDefs()).append( $(g).find('linearGradient,radialGradient,pattern') ); } // now give the g itself a new id g.id = getNextId(); prev.after(g); if (parent) { if (!has_more) { // remove symbol/svg element var nextSibling = elem.nextSibling; parent.removeChild(elem); batchCmd.addSubCommand(new svgedit.history.RemoveElementCommand(elem, nextSibling, parent)); } batchCmd.addSubCommand(new svgedit.history.InsertElementCommand(g)); } setUseData(g); if (svgedit.browser.isGecko()) { convertGradients(svgedit.utilities.findDefs()); } else { convertGradients(g); } // recalculate dimensions on the top-level children so that unnecessary transforms // are removed svgedit.utilities.walkTreePost(g, function(n){ try { svgedit.recalculate.recalculateDimensions(n); } catch(e) { console.log(e); } }); // Give ID for any visible element missing one $(g).find(visElems).each(function() { if (!this.id) this.id = getNextId(); }); selectOnly([g]); var cm = pushGroupProperties(g, true); if (cm) { batchCmd.addSubCommand(cm); } addCommandToHistory(batchCmd); } else { console.log('Unexpected element to ungroup:', elem); } }; // // Function: setSvgString // This function sets the current drawing as the input SVG XML. // // Parameters: // xmlString - The SVG as XML text. // // Returns: // This function returns false if the set was unsuccessful, true otherwise. this.setSvgString = function(xmlString) { try { // convert string into XML document var newDoc = svgedit.utilities.text2xml(xmlString); this.prepareSvg(newDoc); var batchCmd = new svgedit.history.BatchCommand("Change Source"); // remove old svg document var nextSibling = svgcontent.nextSibling; var oldzoom = svgroot.removeChild(svgcontent); batchCmd.addSubCommand(new svgedit.history.RemoveElementCommand(oldzoom, nextSibling, svgroot)); // set new svg document // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode() if (svgdoc.adoptNode) { svgcontent = svgdoc.adoptNode(newDoc.documentElement); } else { svgcontent = svgdoc.importNode(newDoc.documentElement, true); } svgroot.appendChild(svgcontent); var content = $(svgcontent); canvas.current_drawing_ = new svgedit.draw.Drawing(svgcontent, idprefix); // retrieve or set the nonce var nonce = getCurrentDrawing().getNonce(); if (nonce) { call("setnonce", nonce); } else { call("unsetnonce"); } // change image href vals if possible content.find('image').each(function() { var image = this; preventClickDefault(image); var val = getHref(this); if (val) { if (val.indexOf('data:') === 0) { // Check if an SVG-edit data URI var m = val.match(/svgedit_url=(.*?);/); if (m) { var url = decodeURIComponent(m[1]); $(new Image()).load(function () { image.setAttributeNS(NS.XLINK, 'xlink:href', url); }).attr('src', url); } } // Add to encodableImages if it loads canvas.embedImage(val); } }); // Wrap child SVGs in group elements content.find('svg').each(function() { // Skip if it's in a <defs> if ($(this).closest('defs').length) return; uniquifyElems(this); // Check if it already has a gsvg group var pa = this.parentNode; if (pa.childNodes.length === 1 && pa.nodeName === 'g') { $(pa).data('gsvg', this); pa.id = pa.id || getNextId(); } else { groupSvgElem(this); } }); // For Firefox: Put all paint elems in defs if (svgedit.browser.isGecko()) { content.find('linearGradient, radialGradient, pattern').appendTo(svgedit.utilities.findDefs()); } // Set ref element for <use> elements // TODO: This should also be done if the object is re-added through "redo" setUseData(content); convertGradients(content[0]); // recalculate dimensions on the top-level children so that unnecessary transforms // are removed svgedit.utilities.walkTreePost(svgcontent, function(n) { try { svgedit.recalculate.recalculateDimensions(n); } catch(e) { console.log(e); } }); var attrs = { id: 'svgcontent', overflow: curConfig.show_outside_canvas?'visible':'hidden' }; var percs = false; // determine proper size if (content.attr("viewBox")) { var vb = content.attr("viewBox").split(' '); attrs.width = vb[2]; attrs.height = vb[3]; } // handle content that doesn't have a viewBox else { $.each(['width', 'height'], function(i, dim) { // Set to 100 if not given var val = content.attr(dim); if (!val) val = '100%'; if ((val+'').substr(-1) === "%") { // Use user units if percentage given percs = true; } else { attrs[dim] = svgedit.units.convertToNum(dim, val); } }); } // identify layers identifyLayers(); // Give ID for any visible layer children missing one content.children().find(visElems).each(function() { if (!this.id) this.id = getNextId(); }); // Percentage width/height, so let's base it on visible elements if (percs) { var bb = getStrokedBBox(); attrs.width = bb.width + bb.x; attrs.height = bb.height + bb.y; } // Just in case negative numbers are given or // result from the percs calculation if (attrs.width <= 0) attrs.width = 100; if (attrs.height <= 0) attrs.height = 100; content.attr(attrs); this.contentW = attrs['width']; this.contentH = attrs['height']; batchCmd.addSubCommand(new svgedit.history.InsertElementCommand(svgcontent)); // update root to the correct size var changes = content.attr(["width", "height"]); batchCmd.addSubCommand(new svgedit.history.ChangeElementCommand(svgroot, changes)); // reset zoom current_zoom = 1; // reset transform lists svgedit.transformlist.resetListMap(); clearSelection(); svgedit.path.clearData(); svgroot.appendChild(selectorManager.selectorParentGroup); addCommandToHistory(batchCmd); call("changed", [svgcontent]); } catch(e) { console.log(e); return false; } return true; }; // Function: importSvgString // This function imports the input SVG XML as a <symbol> in the <defs>, then adds a // <use> to the current layer. // // Parameters: // xmlString - The SVG as XML text. // // Returns: // This function returns false if the import was unsuccessful, true otherwise. // TODO: // * properly handle if namespace is introduced by imported content (must add to svgcontent // and update all prefixes in the imported node) // * properly handle recalculating dimensions, recalculateDimensions() doesn't handle // arbitrary transform lists, but makes some assumptions about how the transform list // was obtained // * import should happen in top-left of current zoomed viewport this.importSvgString = function(xmlString) { try { // Get unique ID var uid = svgedit.utilities.encode64(xmlString.length + xmlString).substr(0,32); var useExisting = false; // Look for symbol and make sure symbol exists in image if (import_ids[uid]) { if ( $(import_ids[uid].symbol).parents('#svgroot').length ) { useExisting = true; } } var batchCmd = new svgedit.history.BatchCommand("Import SVG"); if (useExisting) { var symbol = import_ids[uid].symbol; var ts = import_ids[uid].xform; } else { // convert string into XML document var newDoc = svgedit.utilities.text2xml(xmlString); this.prepareSvg(newDoc); // import new svg document into our document var svg; // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode() if (svgdoc.adoptNode) { svg = svgdoc.adoptNode(newDoc.documentElement); } else { svg = svgdoc.importNode(newDoc.documentElement, true); } uniquifyElems(svg); var innerw = svgedit.units.convertToNum('width', svg.getAttribute("width")), innerh = svgedit.units.convertToNum('height', svg.getAttribute("height")), innervb = svg.getAttribute("viewBox"), // if no explicit viewbox, create one out of the width and height vb = innervb ? innervb.split(" ") : [0, 0, innerw, innerh]; for (var j = 0; j < 4; ++j) vb[j] = +(vb[j]); // TODO: properly handle preserveAspectRatio var canvasw = +svgcontent.getAttribute("width"), canvash = +svgcontent.getAttribute("height"); // imported content should be 1/3 of the canvas on its largest dimension if (innerh > innerw) { var ts = "scale(" + (canvash/3)/vb[3] + ")"; } else { var ts = "scale(" + (canvash/3)/vb[2] + ")"; } // Hack to make recalculateDimensions understand how to scale ts = "translate(0) " + ts + " translate(0)"; var symbol = svgdoc.createElementNS(NS.SVG, "symbol"); var defs = svgedit.utilities.findDefs(); if (svgedit.browser.isGecko()) { // Move all gradients into root for Firefox, workaround for this bug: // https://bugzilla.mozilla.org/show_bug.cgi?id=353575 // TODO: Make this properly undo-able. $(svg).find('linearGradient, radialGradient, pattern').appendTo(defs); } while (svg.firstChild) { var first = svg.firstChild; symbol.appendChild(first); } var attrs = svg.attributes; for (var i=0; i < attrs.length; i++) { var attr = attrs[i]; symbol.setAttribute(attr.nodeName, attr.nodeValue); } symbol.id = getNextId(); // Store data import_ids[uid] = { symbol: symbol, xform: ts }; svgedit.utilities.findDefs().appendChild(symbol); batchCmd.addSubCommand(new svgedit.history.InsertElementCommand(symbol)); } var use_el = svgdoc.createElementNS(NS.SVG, "use"); use_el.id = getNextId(); setHref(use_el, "#" + symbol.id); (current_group || getCurrentDrawing().getCurrentLayer()).appendChild(use_el); batchCmd.addSubCommand(new svgedit.history.InsertElementCommand(use_el)); clearSelection(); use_el.setAttribute("transform", ts); svgedit.recalculate.recalculateDimensions(use_el); $(use_el).data('symbol', symbol).data('ref', symbol); addToSelection([use_el]); // TODO: Find way to add this in a recalculateDimensions-parsable way // if (vb[0] != 0 || vb[1] != 0) // ts = "translate(" + (-vb[0]) + "," + (-vb[1]) + ") " + ts; addCommandToHistory(batchCmd); call("changed", [svgcontent]); } catch(e) { console.log(e); return false; } return true; }; // TODO(codedread): Move all layer/context functions in draw.js // Layer API Functions // Group: Layers // Function: identifyLayers // Updates layer system var identifyLayers = canvas.identifyLayers = function() { leaveContext(); getCurrentDrawing().identifyLayers(); }; // Function: createLayer // Creates a new top-level layer in the drawing with the given name, sets the current layer // to it, and then clears the selection This function then calls the 'changed' handler. // This is an undoable action. // // Parameters: // name - The given name this.createLayer = function(name) { var batchCmd = new svgedit.history.BatchCommand("Create Layer"); var new_layer = getCurrentDrawing().createLayer(name); batchCmd.addSubCommand(new svgedit.history.InsertElementCommand(new_layer)); addCommandToHistory(batchCmd); clearSelection(); call("changed", [new_layer]); }; // Function: cloneLayer // Creates a new top-level layer in the drawing with the given name, copies all the current layer's contents // to it, and then clears the selection This function then calls the 'changed' handler. // This is an undoable action. // // Parameters: // name - The given name this.cloneLayer = function(name) { var batchCmd = new svgedit.history.BatchCommand("Duplicate Layer"); var new_layer = svgdoc.createElementNS(NS.SVG, "g"); var layer_title = svgdoc.createElementNS(NS.SVG, "title"); layer_title.textContent = name; new_layer.appendChild(layer_title); var current_layer = getCurrentDrawing().getCurrentLayer(); $(current_layer).after(new_layer); var childs = current_layer.childNodes; for (var i = 0; i < childs.length; i++) { var ch = childs[i]; if (ch.localName == 'title') continue; new_layer.appendChild(copyElem(ch)); } clearSelection(); identifyLayers(); batchCmd.addSubCommand(new svgedit.history.InsertElementCommand(new_layer)); addCommandToHistory(batchCmd); canvas.setCurrentLayer(name); call("changed", [new_layer]); }; // Function: deleteCurrentLayer // Deletes the current layer from the drawing and then clears the selection. This function // then calls the 'changed' handler. This is an undoable action. this.deleteCurrentLayer = function() { var current_layer = getCurrentDrawing().getCurrentLayer(); var nextSibling = current_layer.nextSibling; var parent = current_layer.parentNode; current_layer = getCurrentDrawing().deleteCurrentLayer(); if (current_layer) { var batchCmd = new svgedit.history.BatchCommand("Delete Layer"); // store in our Undo History batchCmd.addSubCommand(new svgedit.history.RemoveElementCommand(current_layer, nextSibling, parent)); addCommandToHistory(batchCmd); clearSelection(); call("changed", [parent]); return true; } return false; }; // Function: setCurrentLayer // Sets the current layer. If the name is not a valid layer name, then this function returns // false. Otherwise it returns true. This is not an undo-able action. // // Parameters: // name - the name of the layer you want to switch to. // // Returns: // true if the current layer was switched, otherwise false this.setCurrentLayer = function(name) { var result = getCurrentDrawing().setCurrentLayer(svgedit.utilities.toXml(name)); if (result) { clearSelection(); } return result; }; // Function: renameCurrentLayer // Renames the current layer. If the layer name is not valid (i.e. unique), then this function // does nothing and returns false, otherwise it returns true. This is an undo-able action. // // Parameters: // newname - the new name you want to give the current layer. This name must be unique // among all layer names. // // Returns: // true if the rename succeeded, false otherwise. this.renameCurrentLayer = function(newname) { var drawing = getCurrentDrawing(); if (drawing.current_layer) { var oldLayer = drawing.current_layer; // setCurrentLayer will return false if the name doesn't already exist // this means we are free to rename our oldLayer if (!canvas.setCurrentLayer(newname)) { var batchCmd = new svgedit.history.BatchCommand("Rename Layer"); // find the index of the layer for (var i = 0; i < drawing.getNumLayers(); ++i) { if (drawing.all_layers[i][1] == oldLayer) break; } var oldname = drawing.getLayerName(i); drawing.all_layers[i][0] = svgedit.utilities.toXml(newname); // now change the underlying title element contents var len = oldLayer.childNodes.length; for (var i = 0; i < len; ++i) { var child = oldLayer.childNodes.item(i); // found the <title> element, now append all the if (child && child.tagName == "title") { // wipe out old name while (child.firstChild) { child.removeChild(child.firstChild); } child.textContent = newname; batchCmd.addSubCommand(new svgedit.history.ChangeElementCommand(child, {"#text":oldname})); addCommandToHistory(batchCmd); call("changed", [oldLayer]); return true; } } } drawing.current_layer = oldLayer; } return false; }; // Function: setCurrentLayerPosition // Changes the position of the current layer to the new value. If the new index is not valid, // this function does nothing and returns false, otherwise it returns true. This is an // undo-able action. // // Parameters: // newpos - The zero-based index of the new position of the layer. This should be between // 0 and (number of layers - 1) // // Returns: // true if the current layer position was changed, false otherwise. this.setCurrentLayerPosition = function(newpos) { var drawing = getCurrentDrawing(); if (drawing.current_layer && newpos >= 0 && newpos < drawing.getNumLayers()) { for (var oldpos = 0; oldpos < drawing.getNumLayers(); ++oldpos) { if (drawing.all_layers[oldpos][1] == drawing.current_layer) break; } // some unknown error condition (current_layer not in all_layers) if (oldpos == drawing.getNumLayers()) { return false; } if (oldpos != newpos) { // if our new position is below us, we need to insert before the node after newpos var refLayer = null; var oldNextSibling = drawing.current_layer.nextSibling; if (newpos > oldpos ) { if (newpos < drawing.getNumLayers()-1) { refLayer = drawing.all_layers[newpos+1][1]; } } // if our new position is above us, we need to insert before the node at newpos else { refLayer = drawing.all_layers[newpos][1]; } svgcontent.insertBefore(drawing.current_layer, refLayer); addCommandToHistory(new svgedit.history.MoveElementCommand(drawing.current_layer, oldNextSibling, svgcontent)); identifyLayers(); canvas.setCurrentLayer(drawing.getLayerName(newpos)); return true; } } return false; }; // Function: setLayerVisibility // Sets the visibility of the layer. If the layer name is not valid, this function return // false, otherwise it returns true. This is an undo-able action. // // Parameters: // layername - the name of the layer to change the visibility // bVisible - true/false, whether the layer should be visible // // Returns: // true if the layer's visibility was set, false otherwise this.setLayerVisibility = function(layername, bVisible) { var drawing = getCurrentDrawing(); var prevVisibility = drawing.getLayerVisibility(layername); var layer = drawing.setLayerVisibility(layername, bVisible); if (layer) { var oldDisplay = prevVisibility ? 'inline' : 'none'; addCommandToHistory(new svgedit.history.ChangeElementCommand(layer, {'display':oldDisplay}, 'Layer Visibility')); } else { return false; } if (layer == drawing.getCurrentLayer()) { clearSelection(); pathActions.clear(); } // call("changed", [selected]); return true; }; // Function: moveSelectedToLayer // Moves the selected elements to layername. If the name is not a valid layer name, then false // is returned. Otherwise it returns true. This is an undo-able action. // // Parameters: // layername - the name of the layer you want to which you want to move the selected elements // // Returns: // true if the selected elements were moved to the layer, false otherwise. this.moveSelectedToLayer = function(layername) { // find the layer var layer = null; var drawing = getCurrentDrawing(); for (var i = 0; i < drawing.getNumLayers(); ++i) { if (drawing.getLayerName(i) == layername) { layer = drawing.all_layers[i][1]; break; } } if (!layer) return false; var batchCmd = new svgedit.history.BatchCommand("Move Elements to Layer"); // loop for each selected element and move it var selElems = selectedElements; var i = selElems.length; while (i--) { var elem = selElems[i]; if (!elem) continue; var oldNextSibling = elem.nextSibling; // TODO: this is pretty brittle! var oldLayer = elem.parentNode; layer.appendChild(elem); batchCmd.addSubCommand(new svgedit.history.MoveElementCommand(elem, oldNextSibling, oldLayer)); } addCommandToHistory(batchCmd); return true; }; this.mergeLayer = function(skipHistory) { var batchCmd = new svgedit.history.BatchCommand("Merge Layer"); var drawing = getCurrentDrawing(); var prev = $(drawing.current_layer).prev()[0]; if (!prev) return; var childs = drawing.current_layer.childNodes; var len = childs.length; var layerNextSibling = drawing.current_layer.nextSibling; batchCmd.addSubCommand(new svgedit.history.RemoveElementCommand(drawing.current_layer, layerNextSibling, svgcontent)); while (drawing.current_layer.firstChild) { var ch = drawing.current_layer.firstChild; if (ch.localName == 'title') { var chNextSibling = ch.nextSibling; batchCmd.addSubCommand(new svgedit.history.RemoveElementCommand(ch, chNextSibling, drawing.current_layer)); drawing.current_layer.removeChild(ch); continue; } var oldNextSibling = ch.nextSibling; prev.appendChild(ch); batchCmd.addSubCommand(new svgedit.history.MoveElementCommand(ch, oldNextSibling, drawing.current_layer)); } // Remove current layer svgcontent.removeChild(drawing.current_layer); if (!skipHistory) { clearSelection(); identifyLayers(); call("changed", [svgcontent]); addCommandToHistory(batchCmd); } drawing.current_layer = prev; return batchCmd; }; this.mergeAllLayers = function() { var batchCmd = new svgedit.history.BatchCommand("Merge all Layers"); var drawing = getCurrentDrawing(); drawing.current_layer = drawing.all_layers[drawing.getNumLayers()-1][1]; while ($(svgcontent).children('g').length > 1) { batchCmd.addSubCommand(canvas.mergeLayer(true)); } clearSelection(); identifyLayers(); call("changed", [svgcontent]); addCommandToHistory(batchCmd); }; // Function: leaveContext // Return from a group context to the regular kind, make any previously // disabled elements enabled again var leaveContext = this.leaveContext = function() { var len = disabled_elems.length; if (len) { for (var i = 0; i < len; i++) { var elem = disabled_elems[i]; var orig = elData(elem, 'orig_opac'); if (orig !== 1) { elem.setAttribute('opacity', orig); } else { elem.removeAttribute('opacity'); } elem.setAttribute('style', 'pointer-events: inherit'); } disabled_elems = []; clearSelection(true); call("contextset", null); } current_group = null; }; // Function: setContext // Set the current context (for in-group editing) var setContext = this.setContext = function(elem) { leaveContext(); if (typeof elem === 'string') { elem = svgedit.utilities.getElem(elem); } // Edit inside this group current_group = elem; // Disable other elements $(elem).parentsUntil('#svgcontent').andSelf().siblings().each(function() { var opac = this.getAttribute('opacity') || 1; // Store the original's opacity elData(this, 'orig_opac', opac); this.setAttribute('opacity', opac * .33); this.setAttribute('style', 'pointer-events: none'); disabled_elems.push(this); }); clearSelection(); call("contextset", current_group); }; // Group: Document functions // Function: clear // Clears the current document. This is not an undoable action. this.clear = function() { pathActions.clear(); clearSelection(); // clear the svgcontent node canvas.clearSvgContentElement(); // create new document canvas.current_drawing_ = new svgedit.draw.Drawing(svgcontent); // create empty first layer canvas.createLayer("Layer 1"); // clear the undo stack canvas.undoMgr.resetUndoStack(); // reset the selector manager selectorManager.initGroup(); // reset the rubber band box rubberBox = selectorManager.getRubberBandBox(); call("cleared"); }; // Function: linkControlPoints // Alias function this.linkControlPoints = pathActions.linkControlPoints; // Function: getContentElem // Returns the content DOM element this.getContentElem = function() { return svgcontent; }; // Function: getRootElem // Returns the root DOM element this.getRootElem = function() { return svgroot; }; // Function: getSelectedElems // Returns the array with selected DOM elements this.getSelectedElems = function() { return selectedElements; }; // Function: getResolution // Returns the current dimensions and zoom level in an object var getResolution = this.getResolution = function() { // var vb = svgcontent.getAttribute("viewBox").split(' '); // return {'w':vb[2], 'h':vb[3], 'zoom': current_zoom}; var width = svgcontent.getAttribute("width")/current_zoom; var height = svgcontent.getAttribute("height")/current_zoom; return { 'w': width, 'h': height, 'zoom': current_zoom }; }; // Function: getZoom // Returns the current zoom level this.getZoom = function(){return current_zoom;}; // Function: getVersion // Returns a string which describes the revision number of SvgCanvas. this.getVersion = function() { return "svgcanvas.js ($Rev$)"; }; // Function: setUiStrings // Update interface strings with given values // // Parameters: // strs - Object with strings (see uiStrings for examples) this.setUiStrings = function(strs) { $.extend(uiStrings, strs.notification); }; // Function: setConfig // Update configuration options with given values // // Parameters: // opts - Object with options (see curConfig for examples) this.setConfig = function(opts) { $.extend(curConfig, opts); }; // Function: getTitle // Returns the current group/SVG's title contents this.getTitle = function(elem) { elem = elem || selectedElements[0]; if (!elem) return; elem = $(elem).data('gsvg') || $(elem).data('symbol') || elem; var childs = elem.childNodes; for (var i=0; i<childs.length; i++) { if (childs[i].nodeName == 'title') { return childs[i].textContent; } } return ''; }; // Function: setGroupTitle // Sets the group/SVG's title content // TODO: Combine this with setDocumentTitle this.setGroupTitle = function(val) { var elem = selectedElements[0]; elem = $(elem).data('gsvg') || elem; var ts = $(elem).children('title'); var batchCmd = new svgedit.history.BatchCommand("Set Label"); if (!val.length) { // Remove title element var tsNextSibling = ts.nextSibling; batchCmd.addSubCommand(new svgedit.history.RemoveElementCommand(ts[0], tsNextSibling, elem)); ts.remove(); } else if (ts.length) { // Change title contents var title = ts[0]; batchCmd.addSubCommand(new svgedit.history.ChangeElementCommand(title, {'#text': title.textContent})); title.textContent = val; } else { // Add title element title = svgdoc.createElementNS(NS.SVG, "title"); title.textContent = val; $(elem).prepend(title); batchCmd.addSubCommand(new svgedit.history.InsertElementCommand(title)); } addCommandToHistory(batchCmd); }; // Function: getDocumentTitle // Returns the current document title or an empty string if not found this.getDocumentTitle = function() { return canvas.getTitle(svgcontent); }; // Function: setDocumentTitle // Adds/updates a title element for the document with the given name. // This is an undoable action // // Parameters: // newtitle - String with the new title this.setDocumentTitle = function(newtitle) { var childs = svgcontent.childNodes, doc_title = false, old_title = ''; var batchCmd = new svgedit.history.BatchCommand("Change Image Title"); for (var i=0; i<childs.length; i++) { if (childs[i].nodeName == 'title') { doc_title = childs[i]; old_title = doc_title.textContent; break; } } if (!doc_title) { doc_title = svgdoc.createElementNS(NS.SVG, "title"); svgcontent.insertBefore(doc_title, svgcontent.firstChild); } if (newtitle.length) { doc_title.textContent = newtitle; } else { // No title given, so element is not necessary doc_title.parentNode.removeChild(doc_title); } batchCmd.addSubCommand(new svgedit.history.ChangeElementCommand(doc_title, {'#text': old_title})); addCommandToHistory(batchCmd); }; // Function: getEditorNS // Returns the editor's namespace URL, optionally adds it to root element // // Parameters: // add - Boolean to indicate whether or not to add the namespace value this.getEditorNS = function(add) { if (add) { svgcontent.setAttribute('xmlns:se', NS.SE); } return NS.SE; }; // Function: setResolution // Changes the document's dimensions to the given size // // Parameters: // x - Number with the width of the new dimensions in user units. // Can also be the string "fit" to indicate "fit to content" // y - Number with the height of the new dimensions in user units. // // Returns: // Boolean to indicate if resolution change was succesful. // It will fail on "fit to content" option with no content to fit to. this.setResolution = function(x, y) { var res = getResolution(); var w = res.w, h = res.h; var batchCmd; if (x == 'fit') { // Get bounding box var bbox = getStrokedBBox(); if (bbox) { batchCmd = new svgedit.history.BatchCommand("Fit Canvas to Content"); var visEls = getVisibleElements(); addToSelection(visEls); var dx = [], dy = []; $.each(visEls, function(i, item) { dx.push(bbox.x*-1); dy.push(bbox.y*-1); }); var cmd = canvas.moveSelectedElements(dx, dy, true); batchCmd.addSubCommand(cmd); clearSelection(); x = Math.round(bbox.width); y = Math.round(bbox.height); } else { return false; } } if (x != w || y != h) { var handle = svgroot.suspendRedraw(1000); if (!batchCmd) { batchCmd = new svgedit.history.BatchCommand("Change Image Dimensions"); } x = svgedit.units.convertToNum('width', x); y = svgedit.units.convertToNum('height', y); svgcontent.setAttribute('width', x); svgcontent.setAttribute('height', y); this.contentW = x; this.contentH = y; batchCmd.addSubCommand(new svgedit.history.ChangeElementCommand(svgcontent, {"width":w, "height":h})); svgcontent.setAttribute("viewBox", [0, 0, x/current_zoom, y/current_zoom].join(' ')); batchCmd.addSubCommand(new svgedit.history.ChangeElementCommand(svgcontent, {"viewBox": ["0 0", w, h].join(' ')})); addCommandToHistory(batchCmd); svgroot.unsuspendRedraw(handle); call("changed", [svgcontent]); } return true; }; // Function: getOffset // Returns an object with x, y values indicating the svgcontent element's // position in the editor's canvas. this.getOffset = function() { return $(svgcontent).attr(['x', 'y']); }; // Function: setBBoxZoom // Sets the zoom level on the canvas-side based on the given value // // Parameters: // val - Bounding box object to zoom to or string indicating zoom option // editor_w - Integer with the editor's workarea box's width // editor_h - Integer with the editor's workarea box's height this.setBBoxZoom = function(val, editor_w, editor_h) { var spacer = .85; var bb; var calcZoom = function(bb) { if (!bb) return false; var w_zoom = Math.round((editor_w / bb.width)*100 * spacer)/100; var h_zoom = Math.round((editor_h / bb.height)*100 * spacer)/100; var zoomlevel = Math.min(w_zoom, h_zoom); canvas.setZoom(zoomlevel); return {'zoom': zoomlevel, 'bbox': bb}; }; if (typeof val == 'object') { bb = val; if (bb.width == 0 || bb.height == 0) { var newzoom = bb.zoom?bb.zoom:current_zoom * bb.factor; canvas.setZoom(newzoom); return {'zoom': current_zoom, 'bbox': bb}; } return calcZoom(bb); } switch (val) { case 'selection': if (!selectedElements[0]) return; var sel_elems = $.map(selectedElements, function(n){ if (n) return n; }); bb = getStrokedBBox(sel_elems); break; case 'canvas': var res = getResolution(); spacer = .95; bb = {width:res.w, height:res.h , x:0, y:0}; break; case 'content': bb = getStrokedBBox(); break; case 'layer': bb = getStrokedBBox(getVisibleElements(getCurrentDrawing().getCurrentLayer())); break; default: return; } return calcZoom(bb); }; // Function: setZoom // Sets the zoom to the given level // // Parameters: // zoomlevel - Float indicating the zoom level to change to this.setZoom = function(zoomlevel) { var res = getResolution(); svgcontent.setAttribute("viewBox", "0 0 " + res.w/zoomlevel + " " + res.h/zoomlevel); current_zoom = zoomlevel; $.each(selectedElements, function(i, elem) { if (!elem) return; selectorManager.requestSelector(elem).resize(); }); pathActions.zoomChange(); runExtensions("zoomChanged", zoomlevel); }; // Function: getMode // Returns the current editor mode string this.getMode = function() { return current_mode; }; // Function: setMode // Sets the editor's mode to the given string // // Parameters: // name - String with the new mode to change to this.setMode = function(name) { pathActions.clear(true); textActions.clear(); cur_properties = (selectedElements[0] && selectedElements[0].nodeName == 'text') ? cur_text : cur_shape; current_mode = name; }; // Group: Element Styling // Function: getColor // Returns the current fill/stroke option this.getColor = function(type) { return cur_properties[type]; }; // Function: setColor // Change the current stroke/fill color/gradient value // // Parameters: // type - String indicating fill or stroke // val - The value to set the stroke attribute to // preventUndo - Boolean indicating whether or not this should be and undoable option this.setColor = function(type, val, preventUndo) { cur_shape[type] = val; cur_properties[type + '_paint'] = {type:"solidColor"}; var elems = []; var i = selectedElements.length; while (i--) { var elem = selectedElements[i]; if (elem) { if (elem.tagName == "g") { svgedit.utilities.walkTree(elem, function(e){ if (e.nodeName != "g") { elems.push(e); } }); } else { if (type == 'fill') { if (elem.tagName != "polyline" && elem.tagName != "line") { elems.push(elem); } } else { elems.push(elem); } } } } if (elems.length > 0) { if (!preventUndo) { changeSelectedAttribute(type, val, elems); call("changed", elems); } else { changeSelectedAttributeNoUndo(type, val, elems); } } }; // Function: setGradient // Apply the current gradient to selected element's fill or stroke // // Parameters // type - String indicating "fill" or "stroke" to apply to an element var setGradient = this.setGradient = function(type) { if (!cur_properties[type + '_paint'] || cur_properties[type + '_paint'].type == "solidColor") return; var grad = canvas[type + 'Grad']; // find out if there is a duplicate gradient already in the defs var duplicate_grad = findDuplicateGradient(grad); var defs = svgedit.utilities.findDefs(); // no duplicate found, so import gradient into defs if (!duplicate_grad) { var orig_grad = grad; grad = defs.appendChild( svgdoc.importNode(grad, true) ); // get next id and set it on the grad grad.id = getNextId(); } else { // use existing gradient grad = duplicate_grad; } canvas.setColor(type, "url(#" + grad.id + ")"); }; // Function: findDuplicateGradient // Check if exact gradient already exists // // Parameters: // grad - The gradient DOM element to compare to others // // Returns: // The existing gradient if found, null if not var findDuplicateGradient = function(grad) { var defs = svgedit.utilities.findDefs(); var existing_grads = $(defs).find("linearGradient, radialGradient"); var i = existing_grads.length; var rad_attrs = ['r', 'cx', 'cy', 'fx', 'fy']; while (i--) { var og = existing_grads[i]; if (grad.tagName == "linearGradient") { if (grad.getAttribute('x1') != og.getAttribute('x1') || grad.getAttribute('y1') != og.getAttribute('y1') || grad.getAttribute('x2') != og.getAttribute('x2') || grad.getAttribute('y2') != og.getAttribute('y2')) { continue; } } else { var grad_attrs = $(grad).attr(rad_attrs); var og_attrs = $(og).attr(rad_attrs); var diff = false; $.each(rad_attrs, function(i, attr) { if (grad_attrs[attr] != og_attrs[attr]) diff = true; }); if (diff) continue; } // else could be a duplicate, iterate through stops var stops = grad.getElementsByTagNameNS(NS.SVG, "stop"); var ostops = og.getElementsByTagNameNS(NS.SVG, "stop"); if (stops.length != ostops.length) { continue; } var j = stops.length; while (j--) { var stop = stops[j]; var ostop = ostops[j]; if (stop.getAttribute('offset') != ostop.getAttribute('offset') || stop.getAttribute('stop-opacity') != ostop.getAttribute('stop-opacity') || stop.getAttribute('stop-color') != ostop.getAttribute('stop-color')) { break; } } if (j == -1) { return og; } } // for each gradient in defs return null; }; function reorientGrads(elem, m) { var bb = svgedit.utilities.getBBox(elem); for (var i = 0; i < 2; i++) { var type = i === 0 ? 'fill' : 'stroke'; var attrVal = elem.getAttribute(type); if (attrVal && attrVal.indexOf('url(') === 0) { var grad = svgedit.utilities.getRefElem(attrVal); if (grad.tagName === 'linearGradient') { var x1 = grad.getAttribute('x1') || 0; var y1 = grad.getAttribute('y1') || 0; var x2 = grad.getAttribute('x2') || 1; var y2 = grad.getAttribute('y2') || 0; // Convert to USOU points x1 = (bb.width * x1) + bb.x; y1 = (bb.height * y1) + bb.y; x2 = (bb.width * x2) + bb.x; y2 = (bb.height * y2) + bb.y; // Transform those points var pt1 = svgedit.math.transformPoint(x1, y1, m); var pt2 = svgedit.math.transformPoint(x2, y2, m); // Convert back to BB points var g_coords = {}; g_coords.x1 = (pt1.x - bb.x) / bb.width; g_coords.y1 = (pt1.y - bb.y) / bb.height; g_coords.x2 = (pt2.x - bb.x) / bb.width; g_coords.y2 = (pt2.y - bb.y) / bb.height; var newgrad = grad.cloneNode(true); $(newgrad).attr(g_coords); newgrad.id = getNextId(); svgedit.utilities.findDefs().appendChild(newgrad); elem.setAttribute(type, 'url(#' + newgrad.id + ')'); } } } } // Function: setPaint // Set a color/gradient to a fill/stroke // // Parameters: // type - String with "fill" or "stroke" // paint - The jGraduate paint object to apply this.setPaint = function(type, paint) { // make a copy var p = new $.jGraduate.Paint(paint); this.setPaintOpacity(type, p.alpha / 100, true); // now set the current paint object cur_properties[type + '_paint'] = p; switch (p.type) { case 'solidColor': this.setColor(type, p.solidColor != 'none' ? '#' + p.solidColor : 'none'); break; case 'linearGradient': case 'radialGradient': canvas[type + 'Grad'] = p[p.type]; setGradient(type); break; } }; // alias this.setStrokePaint = function(paint) { this.setPaint('stroke', paint); }; this.setFillPaint = function(paint) { this.setPaint('fill', paint); }; // Function: getStrokeWidth // Returns the current stroke-width value this.getStrokeWidth = function() { return cur_properties.stroke_width; }; // Function: setStrokeWidth // Sets the stroke width for the current selected elements // When attempting to set a line's width to 0, this changes it to 1 instead // // Parameters: // val - A Float indicating the new stroke width value this.setStrokeWidth = function(val) { if (val == 0 && ['line', 'path'].indexOf(current_mode) >= 0) { canvas.setStrokeWidth(1); return; } cur_properties.stroke_width = val; var elems = []; var i = selectedElements.length; while (i--) { var elem = selectedElements[i]; if (elem) { if (elem.tagName == "g") svgedit.utilities.walkTree(elem, function(e){if (e.nodeName!="g") elems.push(e);}); else elems.push(elem); } } if (elems.length > 0) { changeSelectedAttribute("stroke-width", val, elems); call("changed", selectedElements); } }; // Function: setStrokeAttr // Set the given stroke-related attribute the given value for selected elements // // Parameters: // attr - String with the attribute name // val - String or number with the attribute value this.setStrokeAttr = function(attr, val) { cur_shape[attr.replace('-', '_')] = val; var elems = []; var i = selectedElements.length; while (i--) { var elem = selectedElements[i]; if (elem) { if (elem.tagName == "g") svgedit.utilities.walkTree(elem, function(e){if (e.nodeName!="g") elems.push(e);}); else elems.push(elem); } } if (elems.length > 0) { changeSelectedAttribute(attr, val, elems); call("changed", selectedElements); } }; // Function: getStyle // Returns current style options this.getStyle = function() { return cur_shape; }; // Function: getOpacity // Returns the current opacity this.getOpacity = function() { return cur_shape.opacity; }; // Function: setOpacity // Sets the given opacity to the current selected elements this.setOpacity = function(val) { cur_shape.opacity = val; changeSelectedAttribute("opacity", val); }; // Function: getOpacity // Returns the current fill opacity this.getFillOpacity = function() { return cur_shape.fill_opacity; }; // Function: getStrokeOpacity // Returns the current stroke opacity this.getStrokeOpacity = function() { return cur_shape.stroke_opacity; }; // Function: setPaintOpacity // Sets the current fill/stroke opacity // // Parameters: // type - String with "fill" or "stroke" // val - Float with the new opacity value // preventUndo - Boolean indicating whether or not this should be an undoable action this.setPaintOpacity = function(type, val, preventUndo) { cur_shape[type + '_opacity'] = val; if (!preventUndo) changeSelectedAttribute(type + "-opacity", val); else changeSelectedAttributeNoUndo(type + "-opacity", val); }; // Function: getPaintOpacity // Gets the current fill/stroke opacity // // Parameters: // type - String with "fill" or "stroke" this.getPaintOpacity = function(type) { return type === 'fill' ? this.getFillOpacity() : this.getStrokeOpacity(); }; // Function: getBlur // Gets the stdDeviation blur value of the given element // // Parameters: // elem - The element to check the blur value for this.getBlur = function(elem) { var val = 0; // var elem = selectedElements[0]; if (elem) { var filter_url = elem.getAttribute('filter'); if (filter_url) { var blur = svgedit.utilities.getElem(elem.id + '_blur'); if (blur) { val = blur.firstChild.getAttribute('stdDeviation'); } } } return val; }; (function() { var cur_command = null; var filter = null; var filterHidden = false; // Function: setBlurNoUndo // Sets the stdDeviation blur value on the selected element without being undoable // // Parameters: // val - The new stdDeviation value canvas.setBlurNoUndo = function(val) { if (!filter) { canvas.setBlur(val); return; } if (val === 0) { // Don't change the StdDev, as that will hide the element. // Instead, just remove the value for "filter" changeSelectedAttributeNoUndo("filter", ""); filterHidden = true; } else { var elem = selectedElements[0]; if (filterHidden) { changeSelectedAttributeNoUndo("filter", 'url(#' + elem.id + '_blur)'); } if (svgedit.browser.isWebkit()) { console.log('e', elem); elem.removeAttribute('filter'); elem.setAttribute('filter', 'url(#' + elem.id + '_blur)'); } changeSelectedAttributeNoUndo("stdDeviation", val, [filter.firstChild]); canvas.setBlurOffsets(filter, val); } }; function finishChange() { var bCmd = canvas.undoMgr.finishUndoableChange(); cur_command.addSubCommand(bCmd); addCommandToHistory(cur_command); cur_command = null; filter = null; } // Function: setBlurOffsets // Sets the x, y, with, height values of the filter element in order to // make the blur not be clipped. Removes them if not neeeded // // Parameters: // filter - The filter DOM element to update // stdDev - The standard deviation value on which to base the offset size canvas.setBlurOffsets = function(filter, stdDev) { if (stdDev > 3) { // TODO: Create algorithm here where size is based on expected blur svgedit.utilities.assignAttributes(filter, { x: '-50%', y: '-50%', width: '200%', height: '200%' }, 100); } else { // Removing these attributes hides text in Chrome (see Issue 579) if (!svgedit.browser.isWebkit()) { filter.removeAttribute('x'); filter.removeAttribute('y'); filter.removeAttribute('width'); filter.removeAttribute('height'); } } }; // Function: setBlur // Adds/updates the blur filter to the selected element // // Parameters: // val - Float with the new stdDeviation blur value // complete - Boolean indicating whether or not the action should be completed (to add to the undo manager) canvas.setBlur = function(val, complete) { if (cur_command) { finishChange(); return; } // Looks for associated blur, creates one if not found var elem = selectedElements[0]; var elem_id = elem.id; filter = svgedit.utilities.getElem(elem_id + '_blur'); val -= 0; var batchCmd = new svgedit.history.BatchCommand(); // Blur found! if (filter) { if (val === 0) { filter = null; } } else { // Not found, so create var newblur = addSvgElementFromJson({ "element": "feGaussianBlur", "attr": { "in": 'SourceGraphic', "stdDeviation": val } }); filter = addSvgElementFromJson({ "element": "filter", "attr": { "id": elem_id + '_blur' } }); filter.appendChild(newblur); svgedit.utilities.findDefs().appendChild(filter); batchCmd.addSubCommand(new svgedit.history.InsertElementCommand(filter)); } var changes = {filter: elem.getAttribute('filter')}; if (val === 0) { elem.removeAttribute("filter"); batchCmd.addSubCommand(new svgedit.history.ChangeElementCommand(elem, changes)); return; } changeSelectedAttribute("filter", 'url(#' + elem_id + '_blur)'); batchCmd.addSubCommand(new svgedit.history.ChangeElementCommand(elem, changes)); canvas.setBlurOffsets(filter, val); cur_command = batchCmd; canvas.undoMgr.beginUndoableChange("stdDeviation", [filter?filter.firstChild:null]); if (complete) { canvas.setBlurNoUndo(val); finishChange(); } }; }()); // Function: getBold // Check whether selected element is bold or not // // Returns: // Boolean indicating whether or not element is bold this.getBold = function() { // should only have one element selected var selected = selectedElements[0]; if (selected != null && selected.tagName == "text" && selectedElements[1] == null) { return (selected.getAttribute("font-weight") == "bold"); } return false; }; // Function: setBold // Make the selected element bold or normal // // Parameters: // b - Boolean indicating bold (true) or normal (false) this.setBold = function(b) { var selected = selectedElements[0]; if (selected != null && selected.tagName == "text" && selectedElements[1] == null) { changeSelectedAttribute("font-weight", b ? "bold" : "normal"); } if (!selectedElements[0].textContent) { textActions.setCursor(); } }; // Function: getItalic // Check whether selected element is italic or not // // Returns: // Boolean indicating whether or not element is italic this.getItalic = function() { var selected = selectedElements[0]; if (selected != null && selected.tagName == "text" && selectedElements[1] == null) { return (selected.getAttribute("font-style") == "italic"); } return false; }; // Function: setItalic // Make the selected element italic or normal // // Parameters: // b - Boolean indicating italic (true) or normal (false) this.setItalic = function(i) { var selected = selectedElements[0]; if (selected != null && selected.tagName == "text" && selectedElements[1] == null) { changeSelectedAttribute("font-style", i ? "italic" : "normal"); } if (!selectedElements[0].textContent) { textActions.setCursor(); } }; // Function: getFontFamily // Returns the current font family this.getFontFamily = function() { return cur_text.font_family; }; // Function: setFontFamily // Set the new font family // // Parameters: // val - String with the new font family this.setFontFamily = function(val) { cur_text.font_family = val; changeSelectedAttribute("font-family", val); if (selectedElements[0] && !selectedElements[0].textContent) { textActions.setCursor(); } }; // Function: setFontColor // Set the new font color // // Parameters: // val - String with the new font color this.setFontColor = function(val) { cur_text.fill = val; changeSelectedAttribute("fill", val); }; // Function: getFontColor // Returns the current font color this.getFontColor = function() { return cur_text.fill; }; // Function: getFontSize // Returns the current font size this.getFontSize = function() { return cur_text.font_size; }; // Function: setFontSize // Applies the given font size to the selected element // // Parameters: // val - Float with the new font size this.setFontSize = function(val) { cur_text.font_size = val; changeSelectedAttribute("font-size", val); if (!selectedElements[0].textContent) { textActions.setCursor(); } }; // Function: getText // Returns the current text (textContent) of the selected element this.getText = function() { var selected = selectedElements[0]; if (selected == null) { return ""; } return selected.textContent; }; // Function: setTextContent // Updates the text element with the given string // // Parameters: // val - String with the new text this.setTextContent = function(val) { changeSelectedAttribute("#text", val); textActions.init(val); textActions.setCursor(); }; // Function: setImageURL // Sets the new image URL for the selected image element. Updates its size if // a new URL is given // // Parameters: // val - String with the image URL/path this.setImageURL = function(val) { var elem = selectedElements[0]; if (!elem) return; var attrs = $(elem).attr(['width', 'height']); var setsize = (!attrs.width || !attrs.height); var cur_href = getHref(elem); // Do nothing if no URL change or size change if (cur_href !== val) { setsize = true; } else if (!setsize) return; var batchCmd = new svgedit.history.BatchCommand("Change Image URL"); setHref(elem, val); batchCmd.addSubCommand(new svgedit.history.ChangeElementCommand(elem, { "#href": cur_href })); if (setsize) { $(new Image()).load(function() { var changes = $(elem).attr(['width', 'height']); $(elem).attr({ width: this.width, height: this.height }); selectorManager.requestSelector(elem).resize(); batchCmd.addSubCommand(new svgedit.history.ChangeElementCommand(elem, changes)); addCommandToHistory(batchCmd); call("changed", [elem]); }).attr('src', val); } else { addCommandToHistory(batchCmd); } }; // Function: setLinkURL // Sets the new link URL for the selected anchor element. // // Parameters: // val - String with the link URL/path this.setLinkURL = function(val) { var elem = selectedElements[0]; if (!elem) return; if (elem.tagName !== 'a') { // See if parent is an anchor var parents_a = $(elem).parents('a'); if (parents_a.length) { elem = parents_a[0]; } else { return; } } var cur_href = getHref(elem); if (cur_href === val) return; var batchCmd = new svgedit.history.BatchCommand("Change Link URL"); setHref(elem, val); batchCmd.addSubCommand(new svgedit.history.ChangeElementCommand(elem, { "#href": cur_href })); addCommandToHistory(batchCmd); }; // Function: setRectRadius // Sets the rx & ry values to the selected rect element to change its corner radius // // Parameters: // val - The new radius this.setRectRadius = function(val) { var selected = selectedElements[0]; if (selected != null && selected.tagName == "rect") { var r = selected.getAttribute("rx"); if (r != val) { selected.setAttribute("rx", val); selected.setAttribute("ry", val); addCommandToHistory(new svgedit.history.ChangeElementCommand(selected, {"rx":r, "ry":r}, "Radius")); call("changed", [selected]); } } }; // Function: makeHyperlink // Wraps the selected element(s) in an anchor element or converts group to one this.makeHyperlink = function(url) { canvas.groupSelectedElements('a', url); // TODO: If element is a single "g", convert to "a" // if (selectedElements.length > 1 && selectedElements[1]) { }; // Function: removeHyperlink this.removeHyperlink = function() { canvas.ungroupSelectedElement(); }; // Group: Element manipulation // Function: setSegType // Sets the new segment type to the selected segment(s). // // Parameters: // new_type - Integer with the new segment type // See http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSeg for list this.setSegType = function(new_type) { pathActions.setSegType(new_type); } // TODO(codedread): Remove the getBBox argument and split this function into two. // Function: convertToPath // Convert selected element to a path, or get the BBox of an element-as-path // // Parameters: // elem - The DOM element to be converted // getBBox - Boolean on whether or not to only return the path's BBox // // Returns: // If the getBBox flag is true, the resulting path's bounding box object. // Otherwise the resulting path element is returned. this.convertToPath = function(elem, getBBox) { if (elem == null) { var elems = selectedElements; $.each(selectedElements, function(i, elem) { if (elem) canvas.convertToPath(elem); }); return; } if (!getBBox) { var batchCmd = new svgedit.history.BatchCommand("Convert element to Path"); } var attrs = getBBox?{}:{ "fill": cur_shape.fill, "fill-opacity": cur_shape.fill_opacity, "stroke": cur_shape.stroke, "stroke-width": cur_shape.stroke_width, "stroke-dasharray": cur_shape.stroke_dasharray, "stroke-linejoin": cur_shape.stroke_linejoin, "stroke-linecap": cur_shape.stroke_linecap, "stroke-opacity": cur_shape.stroke_opacity, "opacity": cur_shape.opacity, "visibility":"hidden" }; // any attribute on the element not covered by the above // TODO: make this list global so that we can properly maintain it // TODO: what about @transform, @clip-rule, @fill-rule, etc? $.each(['marker-start', 'marker-end', 'marker-mid', 'filter', 'clip-path'], function() { if (elem.getAttribute(this)) { attrs[this] = elem.getAttribute(this); } }); var path = addSvgElementFromJson({ "element": "path", "attr": attrs }); var eltrans = elem.getAttribute("transform"); if (eltrans) { path.setAttribute("transform", eltrans); } var id = elem.id; var parent = elem.parentNode; if (elem.nextSibling) { parent.insertBefore(path, elem); } else { parent.appendChild(path); } var d = ''; var joinSegs = function(segs) { $.each(segs, function(j, seg) { var l = seg[0], pts = seg[1]; d += l; for (var i=0; i < pts.length; i+=2) { d += (pts[i] +','+pts[i+1]) + ' '; } }); }; // Possibly the cubed root of 6, but 1.81 works best var num = 1.81; switch (elem.tagName) { case 'ellipse': case 'circle': var a = $(elem).attr(['rx', 'ry', 'cx', 'cy']); var cx = a.cx, cy = a.cy, rx = a.rx, ry = a.ry; if (elem.tagName == 'circle') { rx = ry = $(elem).attr('r'); } joinSegs([ ['M',[(cx-rx),(cy)]], ['C',[(cx-rx),(cy-ry/num), (cx-rx/num),(cy-ry), (cx),(cy-ry)]], ['C',[(cx+rx/num),(cy-ry), (cx+rx),(cy-ry/num), (cx+rx),(cy)]], ['C',[(cx+rx),(cy+ry/num), (cx+rx/num),(cy+ry), (cx),(cy+ry)]], ['C',[(cx-rx/num),(cy+ry), (cx-rx),(cy+ry/num), (cx-rx),(cy)]], ['Z',[]] ]); break; case 'path': d = elem.getAttribute('d'); break; case 'line': var a = $(elem).attr(["x1", "y1", "x2", "y2"]); d = "M"+a.x1+","+a.y1+"L"+a.x2+","+a.y2; break; case 'polyline': case 'polygon': d = "M" + elem.getAttribute('points'); break; case 'rect': var r = $(elem).attr(['rx', 'ry']); var rx = r.rx, ry = r.ry; var b = elem.getBBox(); var x = b.x, y = b.y, w = b.width, h = b.height; var num = 4-num; // Why? Because! if (!rx && !ry) { // Regular rect joinSegs([ ['M',[x, y]], ['L',[x+w, y]], ['L',[x+w, y+h]], ['L',[x, y+h]], ['L',[x, y]], ['Z',[]] ]); } else { joinSegs([ ['M',[x, y+ry]], ['C',[x, y+ry/num, x+rx/num, y, x+rx, y]], ['L',[x+w-rx, y]], ['C',[x+w-rx/num, y, x+w, y+ry/num, x+w, y+ry]], ['L',[x+w, y+h-ry]], ['C',[x+w, y+h-ry/num, x+w-rx/num, y+h, x+w-rx, y+h]], ['L',[x+rx, y+h]], ['C',[x+rx/num, y+h, x, y+h-ry/num, x, y+h-ry]], ['L',[x, y+ry]], ['Z',[]] ]); } break; default: path.parentNode.removeChild(path); break; } if (d) { path.setAttribute('d', d); } if (!getBBox) { // Replace the current element with the converted one // Reorient if it has a matrix if (eltrans) { var tlist = svgedit.transformlist.getTransformList(path); if (svgedit.math.hasMatrixTransform(tlist)) { pathActions.resetOrientation(path); } } var nextSibling = elem.nextSibling; batchCmd.addSubCommand(new svgedit.history.RemoveElementCommand(elem, nextSibling, parent)); batchCmd.addSubCommand(new svgedit.history.InsertElementCommand(path)); clearSelection(); elem.parentNode.removeChild(elem); path.setAttribute('id', id); path.removeAttribute("visibility"); addToSelection([path], true); addCommandToHistory(batchCmd); } else { // Get the correct BBox of the new path, then discard it pathActions.resetOrientation(path); var bb = false; try { bb = path.getBBox(); } catch(e) { // Firefox fails } path.parentNode.removeChild(path); return bb; } }; // Function: changeSelectedAttributeNoUndo // This function makes the changes to the elements. It does not add the change // to the history stack. // // Parameters: // attr - String with the attribute name // newValue - String or number with the new attribute value // elems - The DOM elements to apply the change to var changeSelectedAttributeNoUndo = function(attr, newValue, elems) { var handle = svgroot.suspendRedraw(1000); if (current_mode == 'pathedit') { // Editing node pathActions.moveNode(attr, newValue); } var elems = elems || selectedElements; var i = elems.length; var no_xy_elems = ['g', 'polyline', 'path']; var good_g_attrs = ['transform', 'opacity', 'filter']; while (i--) { var elem = elems[i]; if (elem == null) continue; // Set x,y vals on elements that don't have them if ((attr === 'x' || attr === 'y') && no_xy_elems.indexOf(elem.tagName) >= 0) { var bbox = getStrokedBBox([elem]); var diff_x = attr === 'x' ? newValue - bbox.x : 0; var diff_y = attr === 'y' ? newValue - bbox.y : 0; canvas.moveSelectedElements(diff_x*current_zoom, diff_y*current_zoom, true); continue; } // only allow the transform/opacity/filter attribute to change on <g> elements, slightly hacky // TODO: FIXME: This doesn't seem right. Where's the body of this if statement? if (elem.tagName === "g" && good_g_attrs.indexOf(attr) >= 0); var oldval = attr === "#text" ? elem.textContent : elem.getAttribute(attr); if (oldval == null) oldval = ""; if (oldval !== String(newValue)) { if (attr == "#text") { var old_w = svgedit.utilities.getBBox(elem).width; elem.textContent = newValue; // FF bug occurs on on rotated elements if (/rotate/.test(elem.getAttribute('transform'))) { elem = ffClone(elem); } // Hoped to solve the issue of moving text with text-anchor="start", // but this doesn't actually fix it. Hopefully on the right track, though. -Fyrd // var box=getBBox(elem), left=box.x, top=box.y, width=box.width, // height=box.height, dx = width - old_w, dy=0; // var angle = svgedit.utilities.getRotationAngle(elem, true); // if (angle) { // var r = Math.sqrt( dx*dx + dy*dy ); // var theta = Math.atan2(dy,dx) - angle; // dx = r * Math.cos(theta); // dy = r * Math.sin(theta); // // elem.setAttribute('x', elem.getAttribute('x')-dx); // elem.setAttribute('y', elem.getAttribute('y')-dy); // } } else if (attr == "#href") { setHref(elem, newValue); } else elem.setAttribute(attr, newValue); // Go into "select" mode for text changes // NOTE: Important that this happens AFTER elem.setAttribute() or else attributes like // font-size can get reset to their old value, ultimately by svgEditor.updateContextPanel(), // after calling textActions.toSelectMode() below if (current_mode === "textedit" && attr !== "#text" && elem.textContent.length) { textActions.toSelectMode(elem); } // if (i==0) // selectedBBoxes[0] = svgedit.utilities.getBBox(elem); // Use the Firefox ffClone hack for text elements with gradients or // where other text attributes are changed. if (svgedit.browser.isGecko() && elem.nodeName === 'text' && /rotate/.test(elem.getAttribute('transform'))) { if ((newValue+'').indexOf('url') === 0 || ['font-size', 'font-family', 'x', 'y'].indexOf(attr) >= 0 && elem.textContent) { elem = ffClone(elem); } } // Timeout needed for Opera & Firefox // codedread: it is now possible for this function to be called with elements // that are not in the selectedElements array, we need to only request a // selector if the element is in that array if (selectedElements.indexOf(elem) >= 0) { setTimeout(function() { // Due to element replacement, this element may no longer // be part of the DOM if (!elem.parentNode) return; selectorManager.requestSelector(elem).resize(); }, 0); } // if this element was rotated, and we changed the position of this element // we need to update the rotational transform attribute var angle = svgedit.utilities.getRotationAngle(elem); if (angle != 0 && attr != "transform") { var tlist = svgedit.transformlist.getTransformList(elem); var n = tlist.numberOfItems; while (n--) { var xform = tlist.getItem(n); if (xform.type == 4) { // remove old rotate tlist.removeItem(n); var box = svgedit.utilities.getBBox(elem); var center = svgedit.math.transformPoint(box.x+box.width/2, box.y+box.height/2, svgedit.math.transformListToTransform(tlist).matrix); var cx = center.x, cy = center.y; var newrot = svgroot.createSVGTransform(); newrot.setRotate(angle, cx, cy); tlist.insertItemBefore(newrot, n); break; } } } } // if oldValue != newValue } // for each elem svgroot.unsuspendRedraw(handle); }; // Function: changeSelectedAttribute // Change the given/selected element and add the original value to the history stack // If you want to change all selectedElements, ignore the elems argument. // If you want to change only a subset of selectedElements, then send the // subset to this function in the elems argument. // // Parameters: // attr - String with the attribute name // newValue - String or number with the new attribute value // elems - The DOM elements to apply the change to var changeSelectedAttribute = this.changeSelectedAttribute = function(attr, val, elems) { var elems = elems || selectedElements; canvas.undoMgr.beginUndoableChange(attr, elems); var i = elems.length; changeSelectedAttributeNoUndo(attr, val, elems); var batchCmd = canvas.undoMgr.finishUndoableChange(); if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); } }; // Function: deleteSelectedElements // Removes all selected elements from the DOM and adds the change to the // history stack this.deleteSelectedElements = function() { var batchCmd = new svgedit.history.BatchCommand("Delete Elements"); var len = selectedElements.length; var selectedCopy = []; //selectedElements is being deleted for (var i = 0; i < len; ++i) { var selected = selectedElements[i]; if (selected == null) break; var parent = selected.parentNode; var t = selected; // this will unselect the element and remove the selectedOutline selectorManager.releaseSelector(t); // Remove the path if present. svgedit.path.removePath_(t.id); // Get the parent if it's a single-child anchor if (parent.tagName === 'a' && parent.childNodes.length === 1) { t = parent; parent = parent.parentNode; } var nextSibling = t.nextSibling; var elem = parent.removeChild(t); selectedCopy.push(selected); //for the copy selectedElements[i] = null; batchCmd.addSubCommand(new RemoveElementCommand(elem, nextSibling, parent)); } if (!batchCmd.isEmpty()) addCommandToHistory(batchCmd); call("changed", selectedCopy); clearSelection(); }; // Function: cutSelectedElements // Removes all selected elements from the DOM and adds the change to the // history stack. Remembers removed elements on the clipboard // TODO: Combine similar code with deleteSelectedElements this.cutSelectedElements = function() { var batchCmd = new svgedit.history.BatchCommand("Cut Elements"); var len = selectedElements.length; var selectedCopy = []; //selectedElements is being deleted for (var i = 0; i < len; ++i) { var selected = selectedElements[i]; if (selected == null) break; var parent = selected.parentNode; var t = selected; // this will unselect the element and remove the selectedOutline selectorManager.releaseSelector(t); // Remove the path if present. svgedit.path.removePath_(t.id); var nextSibling = t.nextSibling; var elem = parent.removeChild(t); selectedCopy.push(selected); //for the copy selectedElements[i] = null; batchCmd.addSubCommand(new RemoveElementCommand(elem, nextSibling, parent)); } if (!batchCmd.isEmpty()) addCommandToHistory(batchCmd); call("changed", selectedCopy); clearSelection(); canvas.clipBoard = selectedCopy; }; // Function: copySelectedElements // Remembers the current selected elements on the clipboard this.copySelectedElements = function() { canvas.clipBoard = $.merge([], selectedElements); }; this.pasteElements = function(type, x, y) { var cb = canvas.clipBoard; var len = cb.length; if (!len) return; var pasted = []; var batchCmd = new svgedit.history.BatchCommand('Paste elements'); // Move elements to lastClickPoint while (len--) { var elem = cb[len]; if (!elem) continue; var copy = copyElem(elem); // See if elem with elem ID is in the DOM already if (!svgedit.utilities.getElem(elem.id)) copy.id = elem.id; pasted.push(copy); (current_group || getCurrentDrawing().getCurrentLayer()).appendChild(copy); batchCmd.addSubCommand(new svgedit.history.InsertElementCommand(copy)); } selectOnly(pasted); if (type !== 'in_place') { var ctr_x, ctr_y; if (!type) { ctr_x = lastClickPoint.x; ctr_y = lastClickPoint.y; } else if (type === 'point') { ctr_x = x; ctr_y = y; } var bbox = getStrokedBBox(pasted); var cx = ctr_x - (bbox.x + bbox.width/2), cy = ctr_y - (bbox.y + bbox.height/2), dx = [], dy = []; $.each(pasted, function(i, item) { dx.push(cx); dy.push(cy); }); var cmd = canvas.moveSelectedElements(dx, dy, false); batchCmd.addSubCommand(cmd); } addCommandToHistory(batchCmd); call("changed", pasted); }; // Function: groupSelectedElements // Wraps all the selected elements in a group (g) element // Parameters: // type - type of element to group into, defaults to <g> this.groupSelectedElements = function(type) { if (!type) type = 'g'; var cmd_str = ''; switch (type) { case "a": cmd_str = "Make hyperlink"; var url = ''; if (arguments.length > 1) { url = arguments[1]; } break; default: type = 'g'; cmd_str = "Group Elements"; break; } var batchCmd = new svgedit.history.BatchCommand(cmd_str); // create and insert the group element var g = addSvgElementFromJson({ "element": type, "attr": { "id": getNextId() } }); if (type === 'a') { setHref(g, url); } batchCmd.addSubCommand(new svgedit.history.InsertElementCommand(g)); // now move all children into the group var i = selectedElements.length; while (i--) { var elem = selectedElements[i]; if (elem == null) continue; if (elem.parentNode.tagName === 'a' && elem.parentNode.childNodes.length === 1) { elem = elem.parentNode; } var oldNextSibling = elem.nextSibling; var oldParent = elem.parentNode; g.appendChild(elem); batchCmd.addSubCommand(new svgedit.history.MoveElementCommand(elem, oldNextSibling, oldParent)); } if (!batchCmd.isEmpty()) addCommandToHistory(batchCmd); // update selection selectOnly([g], true); }; // Function: pushGroupProperties // Pushes all appropriate parent group properties down to its children, then // removes them from the group var pushGroupProperties = this.pushGroupProperties = function(g, undoable) { var children = g.childNodes; var len = children.length; var xform = g.getAttribute("transform"); var glist = svgedit.transformlist.getTransformList(g); var m = svgedit.math.transformListToTransform(glist).matrix; var batchCmd = new svgedit.history.BatchCommand("Push group properties"); // TODO: get all fill/stroke properties from the group that we are about to destroy // "fill", "fill-opacity", "fill-rule", "stroke", "stroke-dasharray", "stroke-dashoffset", // "stroke-linecap", "stroke-linejoin", "stroke-miterlimit", "stroke-opacity", // "stroke-width" // and then for each child, if they do not have the attribute (or the value is 'inherit') // then set the child's attribute var i = 0; var gangle = svgedit.utilities.getRotationAngle(g); var gattrs = $(g).attr(['filter', 'opacity']); var gfilter, gblur; for (var i = 0; i < len; i++) { var elem = children[i]; if (elem.nodeType !== 1) continue; if (gattrs.opacity !== null && gattrs.opacity !== 1) { var c_opac = elem.getAttribute('opacity') || 1; var new_opac = Math.round((elem.getAttribute('opacity') || 1) * gattrs.opacity * 100)/100; changeSelectedAttribute('opacity', new_opac, [elem]); } if (gattrs.filter) { var cblur = this.getBlur(elem); var orig_cblur = cblur; if (!gblur) gblur = this.getBlur(g); if (cblur) { // Is this formula correct? cblur = (gblur-0) + (cblur-0); } else if (cblur === 0) { cblur = gblur; } // If child has no current filter, get group's filter or clone it. if (!orig_cblur) { // Set group's filter to use first child's ID if (!gfilter) { gfilter = svgedit.utilities.getRefElem(gattrs.filter); } else { // Clone the group's filter gfilter = copyElem(gfilter); svgedit.utilities.findDefs().appendChild(gfilter); } } else { gfilter = svgedit.utilities.getRefElem(elem.getAttribute('filter')); } // Change this in future for different filters var suffix = (gfilter.firstChild.tagName === 'feGaussianBlur')?'blur':'filter'; gfilter.id = elem.id + '_' + suffix; changeSelectedAttribute('filter', 'url(#' + gfilter.id + ')', [elem]); // Update blur value if (cblur) { changeSelectedAttribute('stdDeviation', cblur, [gfilter.firstChild]); canvas.setBlurOffsets(gfilter, cblur); } } var chtlist = svgedit.transformlist.getTransformList(elem); // Don't process gradient transforms if (~elem.tagName.indexOf('Gradient')) chtlist = null; // Hopefully not a problem to add this. Necessary for elements like <desc/> if (!chtlist) continue; // Apparently <defs> can get get a transformlist, but we don't want it to have one! if (elem.tagName === 'defs') continue; if (glist.numberOfItems) { // TODO: if the group's transform is just a rotate, we can always transfer the // rotate() down to the children (collapsing consecutive rotates and factoring // out any translates) if (gangle && glist.numberOfItems == 1) { // [Rg] [Rc] [Mc] // we want [Tr] [Rc2] [Mc] where: // - [Rc2] is at the child's current center but has the // sum of the group and child's rotation angles // - [Tr] is the equivalent translation that this child // undergoes if the group wasn't there // [Tr] = [Rg] [Rc] [Rc2_inv] // get group's rotation matrix (Rg) var rgm = glist.getItem(0).matrix; // get child's rotation matrix (Rc) var rcm = svgroot.createSVGMatrix(); var cangle = svgedit.utilities.getRotationAngle(elem); if (cangle) { rcm = chtlist.getItem(0).matrix; } // get child's old center of rotation var cbox = svgedit.utilities.getBBox(elem); var ceqm = svgedit.math.transformListToTransform(chtlist).matrix; var coldc = svgedit.math.transformPoint(cbox.x+cbox.width/2, cbox.y+cbox.height/2, ceqm); // sum group and child's angles var sangle = gangle + cangle; // get child's rotation at the old center (Rc2_inv) var r2 = svgroot.createSVGTransform(); r2.setRotate(sangle, coldc.x, coldc.y); // calculate equivalent translate var trm = svgedit.math.matrixMultiply(rgm, rcm, r2.matrix.inverse()); // set up tlist if (cangle) { chtlist.removeItem(0); } if (sangle) { if (chtlist.numberOfItems) { chtlist.insertItemBefore(r2, 0); } else { chtlist.appendItem(r2); } } if (trm.e || trm.f) { var tr = svgroot.createSVGTransform(); tr.setTranslate(trm.e, trm.f); if (chtlist.numberOfItems) { chtlist.insertItemBefore(tr, 0); } else { chtlist.appendItem(tr); } } } else { // more complicated than just a rotate // transfer the group's transform down to each child and then // call svgedit.recalculate.recalculateDimensions() var oldxform = elem.getAttribute("transform"); var changes = {}; changes["transform"] = oldxform ? oldxform : ""; var newxform = svgroot.createSVGTransform(); // [ gm ] [ chm ] = [ chm ] [ gm' ] // [ gm' ] = [ chm_inv ] [ gm ] [ chm ] var chm = svgedit.math.transformListToTransform(chtlist).matrix, chm_inv = chm.inverse(); var gm = svgedit.math.matrixMultiply( chm_inv, m, chm ); newxform.setMatrix(gm); chtlist.appendItem(newxform); } var cmd = svgedit.recalculate.recalculateDimensions(elem); if (cmd) batchCmd.addSubCommand(cmd); } } // remove transform and make it undo-able if (xform) { var changes = {}; changes["transform"] = xform; g.setAttribute("transform", ""); g.removeAttribute("transform"); batchCmd.addSubCommand(new svgedit.history.ChangeElementCommand(g, changes)); } if (undoable && !batchCmd.isEmpty()) { return batchCmd; } }; // Function: ungroupSelectedElement // Unwraps all the elements in a selected group (g) element. This requires // significant recalculations to apply group's transforms, etc to its children this.ungroupSelectedElement = function() { var g = selectedElements[0]; if ($(g).data('gsvg') || $(g).data('symbol')) { // Is svg, so actually convert to group convertToGroup(g); return; } if (g.tagName === 'use') { // Somehow doesn't have data set, so retrieve var symbol = svgedit.utilities.getElem(getHref(g).substr(1)); $(g).data('symbol', symbol).data('ref', symbol); convertToGroup(g); return; } var parents_a = $(g).parents('a'); if (parents_a.length) { g = parents_a[0]; } // Look for parent "a" if (g.tagName === "g" || g.tagName === "a") { var batchCmd = new svgedit.history.BatchCommand("Ungroup Elements"); var cmd = pushGroupProperties(g, true); if (cmd) batchCmd.addSubCommand(cmd); var parent = g.parentNode; var anchor = g.nextSibling; var children = new Array(g.childNodes.length); var i = 0; while (g.firstChild) { var elem = g.firstChild; var oldNextSibling = elem.nextSibling; var oldParent = elem.parentNode; // Remove child title elements if (elem.tagName === 'title') { var nextSibling = elem.nextSibling; batchCmd.addSubCommand(new svgedit.history.RemoveElementCommand(elem, nextSibling, oldParent)); oldParent.removeChild(elem); continue; } children[i++] = elem = parent.insertBefore(elem, anchor); batchCmd.addSubCommand(new svgedit.history.MoveElementCommand(elem, oldNextSibling, oldParent)); } // remove the group from the selection clearSelection(); // delete the group element (but make undo-able) var gNextSibling = g.nextSibling; g = parent.removeChild(g); batchCmd.addSubCommand(new svgedit.history.RemoveElementCommand(g, gNextSibling, parent)); if (!batchCmd.isEmpty()) addCommandToHistory(batchCmd); // update selection addToSelection(children); } }; // Function: moveToTopSelectedElement // Repositions the selected element to the bottom in the DOM to appear on top of // other elements this.moveToTopSelectedElement = function() { var selected = selectedElements[0]; if (selected != null) { var t = selected; var oldParent = t.parentNode; var oldNextSibling = t.nextSibling; t = t.parentNode.appendChild(t); // If the element actually moved position, add the command and fire the changed // event handler. if (oldNextSibling != t.nextSibling) { addCommandToHistory(new svgedit.history.MoveElementCommand(t, oldNextSibling, oldParent, "top")); call("changed", [t]); } } }; // Function: moveToBottomSelectedElement // Repositions the selected element to the top in the DOM to appear under // other elements this.moveToBottomSelectedElement = function() { var selected = selectedElements[0]; if (selected != null) { var t = selected; var oldParent = t.parentNode; var oldNextSibling = t.nextSibling; var firstChild = t.parentNode.firstChild; if (firstChild.tagName == 'title') { firstChild = firstChild.nextSibling; } // This can probably be removed, as the defs should not ever apppear // inside a layer group if (firstChild.tagName == 'defs') { firstChild = firstChild.nextSibling; } t = t.parentNode.insertBefore(t, firstChild); // If the element actually moved position, add the command and fire the changed // event handler. if (oldNextSibling != t.nextSibling) { addCommandToHistory(new svgedit.history.MoveElementCommand(t, oldNextSibling, oldParent, "bottom")); call("changed", [t]); } } }; // Function: moveUpDownSelected // Moves the select element up or down the stack, based on the visibly // intersecting elements // // Parameters: // dir - String that's either 'Up' or 'Down' this.moveUpDownSelected = function(dir) { var selected = selectedElements[0]; if (!selected) return; curBBoxes = []; var closest, found_cur; // jQuery sorts this list var list = $(getIntersectionList(getStrokedBBox([selected]))).toArray(); if (dir == 'Down') list.reverse(); $.each(list, function() { if (!found_cur) { if (this == selected) { found_cur = true; } return; } closest = this; return false; }); if (!closest) return; var t = selected; var oldParent = t.parentNode; var oldNextSibling = t.nextSibling; $(closest)[dir == 'Down'?'before':'after'](t); // If the element actually moved position, add the command and fire the changed // event handler. if (oldNextSibling != t.nextSibling) { addCommandToHistory(new svgedit.history.MoveElementCommand(t, oldNextSibling, oldParent, "Move " + dir)); call("changed", [t]); } }; // Function: moveSelectedElements // Moves selected elements on the X/Y axis // // Parameters: // dx - Float with the distance to move on the x-axis // dy - Float with the distance to move on the y-axis // undoable - Boolean indicating whether or not the action should be undoable // // Returns: // Batch command for the move this.moveSelectedElements = function(dx, dy, undoable) { // if undoable is not sent, default to true // if single values, scale them to the zoom if (dx.constructor != Array) { dx /= current_zoom; dy /= current_zoom; } undoable = undoable || true; var batchCmd = new svgedit.history.BatchCommand("position"); var i = selectedElements.length; while (i--) { var selected = selectedElements[i]; if (selected != null) { // if (i==0) // selectedBBoxes[0] = svgedit.utilities.getBBox(selected); // var b = {}; // for (var j in selectedBBoxes[i]) b[j] = selectedBBoxes[i][j]; // selectedBBoxes[i] = b; var xform = svgroot.createSVGTransform(); var tlist = svgedit.transformlist.getTransformList(selected); // dx and dy could be arrays if (dx.constructor == Array) { // if (i==0) { // selectedBBoxes[0].x += dx[0]; // selectedBBoxes[0].y += dy[0]; // } xform.setTranslate(dx[i], dy[i]); } else { // if (i==0) { // selectedBBoxes[0].x += dx; // selectedBBoxes[0].y += dy; // } xform.setTranslate(dx, dy); } if (tlist.numberOfItems) { tlist.insertItemBefore(xform, 0); } else { tlist.appendItem(xform); } var cmd = svgedit.recalculate.recalculateDimensions(selected); if (cmd) { batchCmd.addSubCommand(cmd); } selectorManager.requestSelector(selected).resize(); } } if (!batchCmd.isEmpty()) { if (undoable) addCommandToHistory(batchCmd); call("changed", selectedElements); return batchCmd; } }; // Function: cloneSelectedElements // Create deep DOM copies (clones) of all selected elements and move them slightly // from their originals this.cloneSelectedElements = function(x, y) { var batchCmd = new svgedit.history.BatchCommand("Clone Elements"); // find all the elements selected (stop at first null) var len = selectedElements.length; function sortfunction(a, b){ return ($(b).index() - $(a).index()); //causes an array to be sorted numerically and ascending } selectedElements.sort(sortfunction); for (var i = 0; i < len; ++i) { var elem = selectedElements[i]; if (elem == null) break; } // use slice to quickly get the subset of elements we need var copiedElements = selectedElements.slice(0, i); this.clearSelection(true); // note that we loop in the reverse way because of the way elements are added // to the selectedElements array (top-first) var i = copiedElements.length; while (i--) { // clone each element and replace it within copiedElements var elem = copiedElements[i] = copyElem(copiedElements[i]); (current_group || getCurrentDrawing().getCurrentLayer()).appendChild(elem); batchCmd.addSubCommand(new svgedit.history.InsertElementCommand(elem)); } if (!batchCmd.isEmpty()) { addToSelection(copiedElements.reverse()); // Need to reverse for correct selection-adding this.moveSelectedElements(x, y, false); addCommandToHistory(batchCmd); } }; // Function: alignSelectedElements // Aligns selected elements // // Parameters: // type - String with single character indicating the alignment type // relative_to - String that must be one of the following: // "selected", "largest", "smallest", "page" this.alignSelectedElements = function(type, relative_to) { var bboxes = [], angles = []; var minx = Number.MAX_VALUE, maxx = Number.MIN_VALUE, miny = Number.MAX_VALUE, maxy = Number.MIN_VALUE; var curwidth = Number.MIN_VALUE, curheight = Number.MIN_VALUE; var len = selectedElements.length; if (!len) return; for (var i = 0; i < len; ++i) { if (selectedElements[i] == null) break; var elem = selectedElements[i]; bboxes[i] = getStrokedBBox([elem]); // now bbox is axis-aligned and handles rotation switch (relative_to) { case 'smallest': if ( (type == 'l' || type == 'c' || type == 'r') && (curwidth == Number.MIN_VALUE || curwidth > bboxes[i].width) || (type == 't' || type == 'm' || type == 'b') && (curheight == Number.MIN_VALUE || curheight > bboxes[i].height) ) { minx = bboxes[i].x; miny = bboxes[i].y; maxx = bboxes[i].x + bboxes[i].width; maxy = bboxes[i].y + bboxes[i].height; curwidth = bboxes[i].width; curheight = bboxes[i].height; } break; case 'largest': if ( (type == 'l' || type == 'c' || type == 'r') && (curwidth == Number.MIN_VALUE || curwidth < bboxes[i].width) || (type == 't' || type == 'm' || type == 'b') && (curheight == Number.MIN_VALUE || curheight < bboxes[i].height) ) { minx = bboxes[i].x; miny = bboxes[i].y; maxx = bboxes[i].x + bboxes[i].width; maxy = bboxes[i].y + bboxes[i].height; curwidth = bboxes[i].width; curheight = bboxes[i].height; } break; default: // 'selected' if (bboxes[i].x < minx) minx = bboxes[i].x; if (bboxes[i].y < miny) miny = bboxes[i].y; if (bboxes[i].x + bboxes[i].width > maxx) maxx = bboxes[i].x + bboxes[i].width; if (bboxes[i].y + bboxes[i].height > maxy) maxy = bboxes[i].y + bboxes[i].height; break; } } // loop for each element to find the bbox and adjust min/max if (relative_to == 'page') { minx = 0; miny = 0; maxx = canvas.contentW; maxy = canvas.contentH; } var dx = new Array(len); var dy = new Array(len); for (var i = 0; i < len; ++i) { if (selectedElements[i] == null) break; var elem = selectedElements[i]; var bbox = bboxes[i]; dx[i] = 0; dy[i] = 0; switch (type) { case 'l': // left (horizontal) dx[i] = minx - bbox.x; break; case 'c': // center (horizontal) dx[i] = (minx+maxx)/2 - (bbox.x + bbox.width/2); break; case 'r': // right (horizontal) dx[i] = maxx - (bbox.x + bbox.width); break; case 't': // top (vertical) dy[i] = miny - bbox.y; break; case 'm': // middle (vertical) dy[i] = (miny+maxy)/2 - (bbox.y + bbox.height/2); break; case 'b': // bottom (vertical) dy[i] = maxy - (bbox.y + bbox.height); break; } } this.moveSelectedElements(dx, dy); }; // Group: Additional editor tools this.contentW = getResolution().w; this.contentH = getResolution().h; // Function: updateCanvas // Updates the editor canvas width/height/position after a zoom has occurred // // Parameters: // w - Float with the new width // h - Float with the new height // // Returns: // Object with the following values: // * x - The canvas' new x coordinate // * y - The canvas' new y coordinate // * old_x - The canvas' old x coordinate // * old_y - The canvas' old y coordinate // * d_x - The x position difference // * d_y - The y position difference this.updateCanvas = function(w, h) { svgroot.setAttribute("width", w); svgroot.setAttribute("height", h); var bg = $('#canvasBackground')[0]; var old_x = svgcontent.getAttribute('x'); var old_y = svgcontent.getAttribute('y'); var x = (w/2 - this.contentW*current_zoom/2); var y = (h/2 - this.contentH*current_zoom/2); svgedit.utilities.assignAttributes(svgcontent, { width: this.contentW*current_zoom, height: this.contentH*current_zoom, 'x': x, 'y': y, "viewBox" : "0 0 " + this.contentW + " " + this.contentH }); svgedit.utilities.assignAttributes(bg, { width: svgcontent.getAttribute('width'), height: svgcontent.getAttribute('height'), x: x, y: y }); var bg_img = svgedit.utilities.getElem('background_image'); if (bg_img) { svgedit.utilities.assignAttributes(bg_img, { 'width': '100%', 'height': '100%' }); } selectorManager.selectorParentGroup.setAttribute("transform", "translate(" + x + "," + y + ")"); runExtensions("canvasUpdated",{new_x:x, new_y:y, old_x:old_x, old_y:old_y, d_x:x - old_x, d_y:y - old_y}); return {x:x, y:y, old_x:old_x, old_y:old_y, d_x:x - old_x, d_y:y - old_y}; }; // Function: setBackground // Set the background of the editor (NOT the actual document) // // Parameters: // color - String with fill color to apply // url - URL or path to image to use this.setBackground = function(color, url) { var bg = svgedit.utilities.getElem('canvasBackground'); var border = $(bg).find('rect')[0]; var bg_img = svgedit.utilities.getElem('background_image'); border.setAttribute('fill', color); if (url) { if (!bg_img) { bg_img = svgdoc.createElementNS(NS.SVG, "image"); svgedit.utilities.assignAttributes(bg_img, { 'id': 'background_image', 'width': '100%', 'height': '100%', 'preserveAspectRatio': 'xMinYMin', 'style':'pointer-events:none' }); } setHref(bg_img, url); bg.appendChild(bg_img); } else if (bg_img) { bg_img.parentNode.removeChild(bg_img); } }; // Function: cycleElement // Select the next/previous element within the current layer // // Parameters: // next - Boolean where true = next and false = previous element this.cycleElement = function(next) { var cur_elem = selectedElements[0]; var elem = false; var all_elems = getVisibleElements(current_group || getCurrentDrawing().getCurrentLayer()); if (!all_elems.length) return; if (cur_elem == null) { var num = next?all_elems.length-1:0; elem = all_elems[num]; } else { var i = all_elems.length; while (i--) { if (all_elems[i] == cur_elem) { var num = next?i-1:i+1; if (num >= all_elems.length) { num = 0; } else if (num < 0) { num = all_elems.length-1; } elem = all_elems[num]; break; } } } selectOnly([elem], true); call("selected", selectedElements); }; this.clear(); // DEPRECATED: getPrivateMethods // Since all methods are/should be public somehow, this function should be removed // Being able to access private methods publicly seems wrong somehow, // but currently appears to be the best way to allow testing and provide // access to them to plugins. this.getPrivateMethods = function() { var obj = { addCommandToHistory: addCommandToHistory, setGradient: setGradient, addSvgElementFromJson: addSvgElementFromJson, assignAttributes: assignAttributes, BatchCommand: BatchCommand, call: call, ChangeElementCommand: ChangeElementCommand, copyElem: copyElem, ffClone: ffClone, findDefs: findDefs, findDuplicateGradient: findDuplicateGradient, getElem: getElem, getId: getId, getIntersectionList: getIntersectionList, getMouseTarget: getMouseTarget, getNextId: getNextId, getPathBBox: getPathBBox, getUrlFromAttr: getUrlFromAttr, hasMatrixTransform: hasMatrixTransform, identifyLayers: identifyLayers, InsertElementCommand: InsertElementCommand, isIdentity: svgedit.math.isIdentity, logMatrix: logMatrix, matrixMultiply: matrixMultiply, MoveElementCommand: MoveElementCommand, preventClickDefault: preventClickDefault, recalculateAllSelectedDimensions: recalculateAllSelectedDimensions, recalculateDimensions: recalculateDimensions, remapElement: remapElement, RemoveElementCommand: RemoveElementCommand, removeUnusedDefElems: removeUnusedDefElems, round: round, runExtensions: runExtensions, sanitizeSvg: sanitizeSvg, SVGEditTransformList: svgedit.transformlist.SVGTransformList, toString: toString, transformBox: svgedit.math.transformBox, transformListToTransform: transformListToTransform, transformPoint: transformPoint, walkTree: svgedit.utilities.walkTree }; return obj; }; };