From 6cb95656e03cd04c4a8ecc8fabdbb5ec544aed7c Mon Sep 17 00:00:00 2001 From: Jeff Schiller Date: Sat, 8 Aug 2009 14:03:14 +0000 Subject: [PATCH] Track current poly. Toggle between select and polyedit mode when clicking on the currently selected poly. polyedit mode does nothing now but show the points git-svn-id: http://svg-edit.googlecode.com/svn/trunk@366 eee81c28-f429-11dd-99c0-75d572ba1ddd --- editor/svgcanvas.js | 134 ++++++++++++++++++++++++++++++++------------ 1 file changed, 98 insertions(+), 36 deletions(-) diff --git a/editor/svgcanvas.js b/editor/svgcanvas.js index 98b0d98f..fb4688ce 100644 --- a/editor/svgcanvas.js +++ b/editor/svgcanvas.js @@ -472,6 +472,7 @@ function SvgCanvas(c) var freehand_max_x = null; var freehand_min_y = null; var freehand_max_y = null; + var current_poly = null; var current_poly_pts = []; // this will hold all the currently selected elements // default size of 1 until it needs to grow bigger @@ -926,7 +927,7 @@ function SvgCanvas(c) canvas.clearSelection(); canvas.addToSelection([t]); } - // else the user is going to manipulate the selected elements + // else if it's a poly, go into polyedit mode in mouseup } else { canvas.clearSelection(); @@ -1079,6 +1080,9 @@ function SvgCanvas(c) case "poly": started = true; break; + case "polyedit": + started = true; + break; default: console.log("Unknown mode in mousedown: " + current_mode); break; @@ -1106,16 +1110,18 @@ function SvgCanvas(c) if (selectedElements[0] != null) { var dx = x - start_x; var dy = y - start_y; - var ts = ["translate(",dx,",",dy,")"].join(''); - var len = selectedElements.length; - for (var i = 0; i < len; ++i) { - var selected = selectedElements[i]; - if (selected == null) break; - selected.setAttribute("transform", ts); - var box = selected.getBBox(); - box.x += dx; box.y += dy; - selectorManager.requestSelector(selected).resize(box); - selectedBBoxes[i] = box; + if (dx != 0 || dy != 0) { + var ts = ["translate(",dx,",",dy,")"].join(''); + var len = selectedElements.length; + for (var i = 0; i < len; ++i) { + var selected = selectedElements[i]; + if (selected == null) break; + selected.setAttribute("transform", ts); + var box = selected.getBBox(); + box.x += dx; box.y += dy; + selectorManager.requestSelector(selected).resize(box); + selectedBBoxes[i] = box; + } } } break; @@ -1277,16 +1283,24 @@ function SvgCanvas(c) // call("changed", selected); }; - - // TODO: when a shape is moved via keystroke, it is not undo-able - // TODO: when a poly is selected, must loop through 'd' and populate current_poly_pts - // TODO: when a poly is selected, call addAllPointGripsToPoly + var removeAllPointGripsFromPoly = function() { + // loop through and hide all pointgrips + var i = current_poly_pts.length/2; + while(i--) { + document.getElementById("polypointgrip_"+i).setAttribute("display", "none"); + } + }; var addAllPointGripsToPoly = function() { - // TODO: loop through all points in poly - // TODO: for each point, find the pointgrip element - // TODO: set the pointgrip element's x,y - // TODO: set the pointgrip display to inline + // loop through and hide all pointgrips + var i = current_poly_pts.length; + while(i) { + i -= 2; + var grip = document.getElementById("polypointgrip_"+i/2); + grip.setAttribute("cx", current_poly_pts[i]); + grip.setAttribute("cy", current_poly_pts[i+1]); + grip.setAttribute("display", "inline"); + } }; var addPointGripToPoly = function(x,y) { @@ -1317,7 +1331,7 @@ function SvgCanvas(c) // TODO: set up mouse event handlers for dragging (mousedown to set polypoint drag mode) var grip = $('#polypointgrip_'+index); - grip.mouseover( function() { console.log(this); this.setAttribute("stroke", "#F00"); } ); + grip.mouseover( function() { this.setAttribute("stroke", "#F00"); } ); grip.mouseout( function() {this.setAttribute("stroke", "#00F"); } ); // grip.mousedown( function() } @@ -1337,6 +1351,9 @@ function SvgCanvas(c) { if (!started) return; + var x = evt.pageX - container.parentNode.offsetLeft + container.parentNode.scrollLeft; + var y = evt.pageY - container.parentNode.offsetTop + container.parentNode.scrollTop; + started = false; var element = svgdoc.getElementById(getId()); var keep = false; @@ -1368,11 +1385,57 @@ function SvgCanvas(c) selectorManager.requestSelector(selected).showGrips(selected.tagName != "text"); } - recalculateAllSelectedDimensions(); - var len = selectedElements.length; - for(var i = 0; i < len; ++i) { - if (selectedElements[i] == null) break; - selectorManager.requestSelector(selectedElements[i]).resize(selectedBBoxes[i]); + // if it was being dragged/resized + if (x != start_x || y != start_y) { + recalculateAllSelectedDimensions(); + var len = selectedElements.length; + for (var i = 0; i < len; ++i) { + if (selectedElements[i] == null) break; + selectorManager.requestSelector(selectedElements[i]).resize(selectedBBoxes[i]); + } + } + // no change in position/size, so maybe we should move to polyedit + else { + // TODO: this causes a poly that was just going to be selected to go straight to polyedit + if (selectedElements[0].nodeName == "path" && selectedElements[1] == null) { + var t = evt.target; + if (current_poly == t) { + current_mode = "polyedit"; + + // recalculate current_poly_pts + current_poly_pts = []; + var segList = t.pathSegList; + var curx = segList.getItem(0).x, cury = segList.getItem(0).y; + current_poly_pts.push(curx); + current_poly_pts.push(cury); + var len = segList.numberOfItems; + for (var i = 1; i < len; ++i) { + var l = segList.getItem(i); + var x = l.x, y = l.y; + // polys can now be closed, skip Z segments + if (l.pathSegType == 1) { + break; + } + var type = l.pathSegType; + // current_poly_pts just holds the absolute coords + if (type == 4) { + curx = x; + cury = y; + } // type 4 (abs line) + else if (type == 5) { + curx += x; + cury += y; + } // type 5 (rel line) + current_poly_pts.push(curx); + current_poly_pts.push(cury); + } // for each segment + canvas.clearSelection(); + addAllPointGripsToPoly(); + } // going into polyedit mode + else { + current_poly = t; + } + } // no change in mouse position } } // we return immediately from select so that the obj_num is not incremented @@ -1450,10 +1513,7 @@ function SvgCanvas(c) canvas.clearSelection(); canvas.addToSelection([element]); break; - case "poly": - var x = evt.pageX - container.parentNode.offsetLeft + container.parentNode.scrollLeft; - var y = evt.pageY - container.parentNode.offsetTop + container.parentNode.scrollTop; - + case "poly": // 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 @@ -1524,18 +1584,13 @@ function SvgCanvas(c) poly.setAttribute("d", d_attr + "z"); } - // loop through and hide all pointgrips - var i = current_poly_pts.length/2; - while(i--) { - console.log(i); - document.getElementById("polypointgrip_"+i).setAttribute("display", "none"); - } + removeAllPointGripsFromPoly(); + document.getElementById("poly_stretch_line").setAttribute("display", "none"); // this will signal to commit the poly element = poly; current_poly_pts = []; started = false; - document.getElementById("poly_stretch_line").setAttribute("display", "none"); } // else, create a new point, append to pts array, update path element else { @@ -1559,6 +1614,13 @@ function SvgCanvas(c) keep = true; } break; + case "polyedit": + keep = true; + element = null; + current_mode = "select"; + removeAllPointGripsFromPoly(); + canvas.addToSelection([evt.target]); + break; default: console.log("Unknown mode in mouseup: " + current_mode); break;