var svgEditorExtension_connector = (function () { 'use strict'; var asyncToGenerator = function (fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }; /* globals jQuery */ /** * ext-connector.js * * @license MIT * * @copyright 2010 Alexis Deveria * */ var extConnector = { name: 'connector', init: function () { var _ref = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(S) { var $, svgEditor, svgCanvas, svgroot, getNextId, getElem, importLocale, addElem, selManager, connSel, elData, strings, startX, startY, curLine, startElem, endElem, seNs, svgcontent, started, connections, selElems, getBBintersect, getOffset, showPanel, setPoint, updateLine, findConnectors, updateConnectors, init, buttons; return regeneratorRuntime.wrap(function _callee2$(_context2) { while (1) { switch (_context2.prev = _context2.next) { case 0: init = function init() { // Make sure all connectors have data set $(svgcontent).find('*').each(function () { var conn = this.getAttributeNS(seNs, 'connector'); if (conn) { this.setAttribute('class', connSel.substr(1)); var connData = conn.split(' '); var sbb = svgCanvas.getStrokedBBox([getElem(connData[0])]); var ebb = svgCanvas.getStrokedBBox([getElem(connData[1])]); $(this).data('c_start', connData[0]).data('c_end', connData[1]).data('start_bb', sbb).data('end_bb', ebb); svgCanvas.getEditorNS(true); } }); // updateConnectors(); }; updateConnectors = function updateConnectors(elems) { // Updates connector lines based on selected elements // Is not used on mousemove, as it runs getStrokedBBox every time, // which isn't necessary there. findConnectors(elems); if (connections.length) { // Update line with element var i = connections.length; while (i--) { var conn = connections[i]; var line = conn.connector; var elem = conn.elem; // const sw = line.getAttribute('stroke-width') * 5; var pre = conn.is_start ? 'start' : 'end'; // Update bbox for this element var bb = svgCanvas.getStrokedBBox([elem]); bb.x = conn.start_x; bb.y = conn.start_y; elData(line, pre + '_bb', bb); /* const addOffset = */elData(line, pre + '_off'); var altPre = conn.is_start ? 'end' : 'start'; // Get center pt of connected element var bb2 = elData(line, altPre + '_bb'); var srcX = bb2.x + bb2.width / 2; var srcY = bb2.y + bb2.height / 2; // Set point of element being moved var pt = getBBintersect(srcX, srcY, bb, getOffset(pre, line)); setPoint(line, conn.is_start ? 0 : 'end', pt.x, pt.y, true); // Set point of connected element var pt2 = getBBintersect(pt.x, pt.y, elData(line, altPre + '_bb'), getOffset(altPre, line)); setPoint(line, conn.is_start ? 'end' : 0, pt2.x, pt2.y, true); // Update points attribute manually for webkit if (navigator.userAgent.includes('AppleWebKit')) { var pts = line.points; var len = pts.numberOfItems; var ptArr = []; for (var j = 0; j < len; j++) { pt = pts.getItem(j); ptArr[j] = pt.x + ',' + pt.y; } line.setAttribute('points', ptArr.join(' ')); } } } }; findConnectors = function findConnectors() { var elems = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : selElems; var connectors = $(svgcontent).find(connSel); connections = []; // Loop through connectors to see if one is connected to the element connectors.each(function () { var addThis = void 0; function add() { if (elems.includes(this)) { // Pretend this element is selected addThis = true; } } // Grab the ends var parts = []; ['start', 'end'].forEach(function (pos, i) { var key = 'c_' + pos; var part = elData(this, key); if (part == null) { part = document.getElementById(this.attributes['se:connector'].value.split(' ')[i]); elData(this, 'c_' + pos, part.id); elData(this, pos + '_bb', svgCanvas.getStrokedBBox([part])); } else part = document.getElementById(part); parts.push(part); }.bind(this)); for (var i = 0; i < 2; i++) { var cElem = parts[i]; addThis = false; // The connected element might be part of a selected group $(cElem).parents().each(add); if (!cElem || !cElem.parentNode) { $(this).remove(); continue; } if (elems.includes(cElem) || addThis) { var bb = svgCanvas.getStrokedBBox([cElem]); connections.push({ elem: cElem, connector: this, is_start: i === 0, start_x: bb.x, start_y: bb.y }); } } }); }; updateLine = function updateLine(diffX, diffY) { // Update line with element var i = connections.length; while (i--) { var conn = connections[i]; var line = conn.connector; // const {elem} = conn; var pre = conn.is_start ? 'start' : 'end'; // const sw = line.getAttribute('stroke-width') * 5; // Update bbox for this element var bb = elData(line, pre + '_bb'); bb.x = conn.start_x + diffX; bb.y = conn.start_y + diffY; elData(line, pre + '_bb', bb); var altPre = conn.is_start ? 'end' : 'start'; // Get center pt of connected element var bb2 = elData(line, altPre + '_bb'); var srcX = bb2.x + bb2.width / 2; var srcY = bb2.y + bb2.height / 2; // Set point of element being moved var pt = getBBintersect(srcX, srcY, bb, getOffset(pre, line)); // $(line).data(pre+'_off')?sw:0 setPoint(line, conn.is_start ? 0 : 'end', pt.x, pt.y, true); // Set point of connected element var pt2 = getBBintersect(pt.x, pt.y, elData(line, altPre + '_bb'), getOffset(altPre, line)); setPoint(line, conn.is_start ? 'end' : 0, pt2.x, pt2.y, true); } }; setPoint = function setPoint(elem, pos, x, y, setMid) { var pts = elem.points; var pt = svgroot.createSVGPoint(); pt.x = x; pt.y = y; if (pos === 'end') { pos = pts.numberOfItems - 1; } // TODO: Test for this on init, then use alt only if needed try { pts.replaceItem(pt, pos); } catch (err) { // Should only occur in FF which formats points attr as "n,n n,n", so just split var ptArr = elem.getAttribute('points').split(' '); for (var i = 0; i < ptArr.length; i++) { if (i === pos) { ptArr[i] = x + ',' + y; } } elem.setAttribute('points', ptArr.join(' ')); } if (setMid) { // Add center point var ptStart = pts.getItem(0); var ptEnd = pts.getItem(pts.numberOfItems - 1); setPoint(elem, 1, (ptEnd.x + ptStart.x) / 2, (ptEnd.y + ptStart.y) / 2); } }; showPanel = function showPanel(on) { var connRules = $('#connector_rules'); if (!connRules.length) { connRules = $('').appendTo('head'); } connRules.text(!on ? '' : '#tool_clone, #tool_topath, #tool_angle, #xy_panel { display: none !important; }'); $('#connector_panel').toggle(on); }; getOffset = function getOffset(side, line) { var giveOffset = !!line.getAttribute('marker-' + side); // const giveOffset = $(line).data(side+'_off'); // TODO: Make this number (5) be based on marker width/height var size = line.getAttribute('stroke-width') * 5; return giveOffset ? size : 0; }; getBBintersect = function getBBintersect(x, y, bb, offset) { if (offset) { offset -= 0; bb = $.extend({}, bb); bb.width += offset; bb.height += offset; bb.x -= offset / 2; bb.y -= offset / 2; } var midX = bb.x + bb.width / 2; var midY = bb.y + bb.height / 2; var lenX = x - midX; var lenY = y - midY; var slope = Math.abs(lenY / lenX); var ratio = void 0; if (slope < bb.height / bb.width) { ratio = bb.width / 2 / Math.abs(lenX); } else { ratio = lenY ? bb.height / 2 / Math.abs(lenY) : 0; } return { x: midX + lenX * ratio, y: midY + lenY * ratio }; }; $ = jQuery; svgEditor = this; svgCanvas = svgEditor.canvas; svgroot = S.svgroot, getNextId = S.getNextId, getElem = S.getElem, importLocale = S.importLocale, addElem = S.addSVGElementFromJson, selManager = S.selectorManager, connSel = '.se_connector', elData = $.data; _context2.next = 14; return importLocale(); case 14: strings = _context2.sent; startX = void 0, startY = void 0, curLine = void 0, startElem = void 0, endElem = void 0, seNs = void 0, svgcontent = S.svgcontent, started = false, connections = [], selElems = []; /** * * @param {Element[]} [elem=selElems] Array of elements */ // Do once (function () { var gse = svgCanvas.groupSelectedElements; svgCanvas.groupSelectedElements = function () { svgCanvas.removeFromSelection($(connSel).toArray()); return gse.apply(this, arguments); }; var mse = svgCanvas.moveSelectedElements; svgCanvas.moveSelectedElements = function () { var cmd = mse.apply(this, arguments); updateConnectors(); return cmd; }; seNs = svgCanvas.getEditorNS(); })(); // Do on reset // $(svgroot).parent().mousemove(function (e) { // // if (started // // || svgCanvas.getMode() !== 'connector' // // || e.target.parentNode.parentNode !== svgcontent) return; // // console.log('y') // // if (e.target.parentNode.parentNode === svgcontent) { // // // // } // }); buttons = [{ id: 'mode_connect', type: 'mode', icon: svgEditor.curConfig.imgPath + 'cut.png', includeWith: { button: '#tool_line', isDefault: false, position: 1 }, events: { click: function click() { svgCanvas.setMode('connector'); } } }]; return _context2.abrupt('return', { name: strings.name, svgicons: svgEditor.curConfig.imgPath + 'conn.svg', buttons: strings.buttons.map(function (button, i) { return Object.assign(buttons[i], button); }), addLangData: function () { var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(_ref2) { var lang = _ref2.lang, importLocale = _ref2.importLocale; return regeneratorRuntime.wrap(function _callee$(_context) { while (1) { switch (_context.prev = _context.next) { case 0: return _context.abrupt('return', { data: strings.langList }); case 1: case 'end': return _context.stop(); } } }, _callee, this); })); function addLangData(_x3) { return _ref3.apply(this, arguments); } return addLangData; }(), mouseDown: function mouseDown(opts) { var e = opts.event; startX = opts.start_x; startY = opts.start_y; var mode = svgCanvas.getMode(); var initStroke = svgEditor.curConfig.initStroke; if (mode === 'connector') { if (started) { return; } var mouseTarget = e.target; var parents = $(mouseTarget).parents(); if ($.inArray(svgcontent, parents) !== -1) { // Connectable element // If child of foreignObject, use parent var fo = $(mouseTarget).closest('foreignObject'); startElem = fo.length ? fo[0] : mouseTarget; // Get center of source element var bb = svgCanvas.getStrokedBBox([startElem]); var x = bb.x + bb.width / 2; var y = bb.y + bb.height / 2; started = true; curLine = addElem({ element: 'polyline', attr: { id: getNextId(), points: x + ',' + y + ' ' + x + ',' + y + ' ' + startX + ',' + startY, stroke: '#' + initStroke.color, 'stroke-width': !startElem.stroke_width || startElem.stroke_width === 0 ? initStroke.width : startElem.stroke_width, fill: 'none', opacity: initStroke.opacity, style: 'pointer-events:none' } }); elData(curLine, 'start_bb', bb); } return { started: true }; } if (mode === 'select') { findConnectors(); } }, mouseMove: function mouseMove(opts) { var zoom = svgCanvas.getZoom(); // const e = opts.event; var x = opts.mouse_x / zoom; var y = opts.mouse_y / zoom; var diffX = x - startX, diffY = y - startY; var mode = svgCanvas.getMode(); if (mode === 'connector' && started) { // const sw = curLine.getAttribute('stroke-width') * 3; // Set start point (adjusts based on bb) var pt = getBBintersect(x, y, elData(curLine, 'start_bb'), getOffset('start', curLine)); startX = pt.x; startY = pt.y; setPoint(curLine, 0, pt.x, pt.y, true); // Set end point setPoint(curLine, 'end', x, y, true); } else if (mode === 'select') { var slen = selElems.length; while (slen--) { var elem = selElems[slen]; // Look for selected connector elements if (elem && elData(elem, 'c_start')) { // Remove the "translate" transform given to move svgCanvas.removeFromSelection([elem]); svgCanvas.getTransformList(elem).clear(); } } if (connections.length) { updateLine(diffX, diffY); } } }, mouseUp: function mouseUp(opts) { // const zoom = svgCanvas.getZoom(); var e = opts.event; // , x = opts.mouse_x / zoom, // , y = opts.mouse_y / zoom, var mouseTarget = e.target; if (svgCanvas.getMode() === 'connector') { var fo = $(mouseTarget).closest('foreignObject'); if (fo.length) { mouseTarget = fo[0]; } var parents = $(mouseTarget).parents(); if (mouseTarget === startElem) { // Start line through click started = true; return { keep: true, element: null, started: started }; } if ($.inArray(svgcontent, parents) === -1) { // Not a valid target element, so remove line $(curLine).remove(); started = false; return { keep: false, element: null, started: started }; } // Valid end element endElem = mouseTarget; var startId = startElem.id, endId = endElem.id; var connStr = startId + ' ' + endId; var altStr = endId + ' ' + startId; // Don't create connector if one already exists var dupe = $(svgcontent).find(connSel).filter(function () { var conn = this.getAttributeNS(seNs, 'connector'); if (conn === connStr || conn === altStr) { return true; } }); if (dupe.length) { $(curLine).remove(); return { keep: false, element: null, started: false }; } var bb = svgCanvas.getStrokedBBox([endElem]); var pt = getBBintersect(startX, startY, bb, getOffset('start', curLine)); setPoint(curLine, 'end', pt.x, pt.y, true); $(curLine).data('c_start', startId).data('c_end', endId).data('end_bb', bb); seNs = svgCanvas.getEditorNS(true); curLine.setAttributeNS(seNs, 'se:connector', connStr); curLine.setAttribute('class', connSel.substr(1)); curLine.setAttribute('opacity', 1); svgCanvas.addToSelection([curLine]); svgCanvas.moveToBottomSelectedElement(); selManager.requestSelector(curLine).showGrips(false); started = false; return { keep: true, element: curLine, started: started }; } }, selectedChanged: function selectedChanged(opts) { // TODO: Find better way to skip operations if no connectors are in use if (!$(svgcontent).find(connSel).length) { return; } if (svgCanvas.getMode() === 'connector') { svgCanvas.setMode('select'); } // Use this to update the current selected elements selElems = opts.elems; var i = selElems.length; while (i--) { var elem = selElems[i]; if (elem && elData(elem, 'c_start')) { selManager.requestSelector(elem).showGrips(false); if (opts.selectedElement && !opts.multiselected) { // TODO: Set up context tools and hide most regular line tools showPanel(true); } else { showPanel(false); } } else { showPanel(false); } } updateConnectors(); }, elementChanged: function elementChanged(opts) { var elem = opts.elems[0]; if (elem && elem.tagName === 'svg' && elem.id === 'svgcontent') { // Update svgcontent (can change on import) svgcontent = elem; init(); } // Has marker, so change offset if (elem && (elem.getAttribute('marker-start') || elem.getAttribute('marker-mid') || elem.getAttribute('marker-end'))) { var start = elem.getAttribute('marker-start'); var mid = elem.getAttribute('marker-mid'); var end = elem.getAttribute('marker-end'); curLine = elem; $(elem).data('start_off', !!start).data('end_off', !!end); if (elem.tagName === 'line' && mid) { // Convert to polyline to accept mid-arrow var x1 = Number(elem.getAttribute('x1')); var x2 = Number(elem.getAttribute('x2')); var y1 = Number(elem.getAttribute('y1')); var y2 = Number(elem.getAttribute('y2')); var _elem = elem, id = _elem.id; var midPt = ' ' + (x1 + x2) / 2 + ',' + (y1 + y2) / 2 + ' '; var pline = addElem({ element: 'polyline', attr: { points: x1 + ',' + y1 + midPt + x2 + ',' + y2, stroke: elem.getAttribute('stroke'), 'stroke-width': elem.getAttribute('stroke-width'), 'marker-mid': mid, fill: 'none', opacity: elem.getAttribute('opacity') || 1 } }); $(elem).after(pline).remove(); svgCanvas.clearSelection(); pline.id = id; svgCanvas.addToSelection([pline]); elem = pline; } } // Update line if it's a connector if (elem.getAttribute('class') === connSel.substr(1)) { var _start = getElem(elData(elem, 'c_start')); updateConnectors([_start]); } else { updateConnectors(); } }, IDsUpdated: function IDsUpdated(input) { var remove = []; input.elems.forEach(function (elem) { if ('se:connector' in elem.attr) { elem.attr['se:connector'] = elem.attr['se:connector'].split(' ').map(function (oldID) { return input.changes[oldID]; }).join(' '); // Check validity - the field would be something like 'svg_21 svg_22', but // if one end is missing, it would be 'svg_21' and therefore fail this test if (!/. ./.test(elem.attr['se:connector'])) { remove.push(elem.attr.id); } } }); return { remove: remove }; }, toolButtonStateUpdate: function toolButtonStateUpdate(opts) { if (opts.nostroke) { if ($('#mode_connect').hasClass('tool_button_current')) { svgEditor.clickSelect(); } } $('#mode_connect').toggleClass('disabled', opts.nostroke); } }); case 19: case 'end': return _context2.stop(); } } }, _callee2, this); })); function init(_x) { return _ref.apply(this, arguments); } return init; }() }; return extConnector; }());