694 lines
28 KiB
JavaScript
694 lines
28 KiB
JavaScript
var svgEditorExtension_connector = (function () {
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'use strict';
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function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
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try {
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var info = gen[key](arg);
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var value = info.value;
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} catch (error) {
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reject(error);
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return;
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}
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if (info.done) {
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resolve(value);
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} else {
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Promise.resolve(value).then(_next, _throw);
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}
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}
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function _asyncToGenerator(fn) {
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return function () {
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var self = this,
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args = arguments;
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return new Promise(function (resolve, reject) {
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var gen = fn.apply(self, args);
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function _next(value) {
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asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
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}
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function _throw(err) {
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asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
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}
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_next(undefined);
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});
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};
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}
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/* eslint-disable unicorn/no-fn-reference-in-iterator */
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/**
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* @file ext-connector.js
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*
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* @license MIT
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*
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* @copyright 2010 Alexis Deveria
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*
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*/
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var extConnector = {
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name: 'connector',
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init: function init(S) {
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var _this = this;
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return _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee() {
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var svgEditor, svgCanvas, getElem, $, svgroot, importLocale, addElem, selManager, connSel, elData, strings, startX, startY, curLine, startElem, endElem, seNs, svgcontent, started, connections, selElems, getBBintersect, getOffset, showPanel, setPoint, updateLine, findConnectors, updateConnectors, init, buttons;
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return regeneratorRuntime.wrap(function _callee$(_context) {
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while (1) {
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switch (_context.prev = _context.next) {
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case 0:
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init = function _init() {
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// Make sure all connectors have data set
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$(svgcontent).find('*').each(function () {
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var conn = this.getAttributeNS(seNs, 'connector');
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if (conn) {
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this.setAttribute('class', connSel.substr(1));
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var connData = conn.split(' ');
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var sbb = svgCanvas.getStrokedBBox([getElem(connData[0])]);
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var ebb = svgCanvas.getStrokedBBox([getElem(connData[1])]);
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$(this).data('c_start', connData[0]).data('c_end', connData[1]).data('start_bb', sbb).data('end_bb', ebb);
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svgCanvas.getEditorNS(true);
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}
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}); // updateConnectors();
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};
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updateConnectors = function _updateConnectors(elems) {
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// Updates connector lines based on selected elements
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// Is not used on mousemove, as it runs getStrokedBBox every time,
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// which isn't necessary there.
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findConnectors(elems);
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if (connections.length) {
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// Update line with element
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var i = connections.length;
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while (i--) {
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var conn = connections[i];
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var line = conn.connector;
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var elem = conn.elem; // const sw = line.getAttribute('stroke-width') * 5;
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var pre = conn.is_start ? 'start' : 'end'; // Update bbox for this element
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var bb = svgCanvas.getStrokedBBox([elem]);
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bb.x = conn.start_x;
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bb.y = conn.start_y;
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elData(line, pre + '_bb', bb);
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/* const addOffset = */
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elData(line, pre + '_off');
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var altPre = conn.is_start ? 'end' : 'start'; // Get center pt of connected element
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var bb2 = elData(line, altPre + '_bb');
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var srcX = bb2.x + bb2.width / 2;
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var srcY = bb2.y + bb2.height / 2; // Set point of element being moved
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var pt = getBBintersect(srcX, srcY, bb, getOffset(pre, line));
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setPoint(line, conn.is_start ? 0 : 'end', pt.x, pt.y, true); // Set point of connected element
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var pt2 = getBBintersect(pt.x, pt.y, elData(line, altPre + '_bb'), getOffset(altPre, line));
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setPoint(line, conn.is_start ? 'end' : 0, pt2.x, pt2.y, true); // Update points attribute manually for webkit
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if (navigator.userAgent.includes('AppleWebKit')) {
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var pts = line.points;
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var len = pts.numberOfItems;
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var ptArr = [];
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for (var j = 0; j < len; j++) {
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pt = pts.getItem(j);
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ptArr[j] = pt.x + ',' + pt.y;
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}
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line.setAttribute('points', ptArr.join(' '));
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}
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}
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}
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};
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findConnectors = function _findConnectors() {
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var elems = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : selElems;
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var connectors = $(svgcontent).find(connSel);
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connections = []; // Loop through connectors to see if one is connected to the element
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connectors.each(function () {
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var addThis;
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/**
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*
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* @returns {void}
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*/
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function add() {
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if (elems.includes(this)) {
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// Pretend this element is selected
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addThis = true;
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}
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} // Grab the ends
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var parts = [];
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['start', 'end'].forEach(function (pos, i) {
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var key = 'c_' + pos;
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var part = elData(this, key);
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if (part === null || part === undefined) {
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// Does this ever return nullish values?
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part = document.getElementById(this.attributes['se:connector'].value.split(' ')[i]);
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elData(this, 'c_' + pos, part.id);
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elData(this, pos + '_bb', svgCanvas.getStrokedBBox([part]));
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} else part = document.getElementById(part);
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parts.push(part);
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}, this);
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for (var i = 0; i < 2; i++) {
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var cElem = parts[i];
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addThis = false; // The connected element might be part of a selected group
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$(cElem).parents().each(add);
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if (!cElem || !cElem.parentNode) {
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$(this).remove();
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continue;
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}
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if (elems.includes(cElem) || addThis) {
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var bb = svgCanvas.getStrokedBBox([cElem]);
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connections.push({
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elem: cElem,
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connector: this,
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is_start: i === 0,
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start_x: bb.x,
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start_y: bb.y
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});
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}
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}
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});
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};
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updateLine = function _updateLine(diffX, diffY) {
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// Update line with element
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var i = connections.length;
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while (i--) {
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var conn = connections[i];
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var line = conn.connector; // const {elem} = conn;
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var pre = conn.is_start ? 'start' : 'end'; // const sw = line.getAttribute('stroke-width') * 5;
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// Update bbox for this element
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var bb = elData(line, pre + '_bb');
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bb.x = conn.start_x + diffX;
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bb.y = conn.start_y + diffY;
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elData(line, pre + '_bb', bb);
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var altPre = conn.is_start ? 'end' : 'start'; // Get center pt of connected element
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var bb2 = elData(line, altPre + '_bb');
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var srcX = bb2.x + bb2.width / 2;
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var srcY = bb2.y + bb2.height / 2; // Set point of element being moved
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var pt = getBBintersect(srcX, srcY, bb, getOffset(pre, line)); // $(line).data(pre+'_off')?sw:0
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setPoint(line, conn.is_start ? 0 : 'end', pt.x, pt.y, true); // Set point of connected element
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var pt2 = getBBintersect(pt.x, pt.y, elData(line, altPre + '_bb'), getOffset(altPre, line));
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setPoint(line, conn.is_start ? 'end' : 0, pt2.x, pt2.y, true);
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}
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};
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setPoint = function _setPoint(elem, pos, x, y, setMid) {
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var pts = elem.points;
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var pt = svgroot.createSVGPoint();
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pt.x = x;
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pt.y = y;
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if (pos === 'end') {
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pos = pts.numberOfItems - 1;
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} // TODO: Test for this on init, then use alt only if needed
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try {
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pts.replaceItem(pt, pos);
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} catch (err) {
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// Should only occur in FF which formats points attr as "n,n n,n", so just split
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var ptArr = elem.getAttribute('points').split(' ');
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for (var i = 0; i < ptArr.length; i++) {
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if (i === pos) {
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ptArr[i] = x + ',' + y;
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}
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}
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elem.setAttribute('points', ptArr.join(' '));
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}
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if (setMid) {
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// Add center point
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var ptStart = pts.getItem(0);
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var ptEnd = pts.getItem(pts.numberOfItems - 1);
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setPoint(elem, 1, (ptEnd.x + ptStart.x) / 2, (ptEnd.y + ptStart.y) / 2);
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}
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};
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showPanel = function _showPanel(on) {
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var connRules = $('#connector_rules');
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if (!connRules.length) {
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connRules = $('<style id="connector_rules"></style>').appendTo('head');
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}
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connRules.text(!on ? '' : '#tool_clone, #tool_topath, #tool_angle, #xy_panel { display: none !important; }');
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$('#connector_panel').toggle(on);
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};
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getOffset = function _getOffset(side, line) {
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var giveOffset = line.getAttribute('marker-' + side); // const giveOffset = $(line).data(side+'_off');
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// TODO: Make this number (5) be based on marker width/height
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var size = line.getAttribute('stroke-width') * 5;
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return giveOffset ? size : 0;
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};
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getBBintersect = function _getBBintersect(x, y, bb, offset) {
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if (offset) {
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offset -= 0;
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bb = $.extend({}, bb);
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bb.width += offset;
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bb.height += offset;
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bb.x -= offset / 2;
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bb.y -= offset / 2;
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}
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var midX = bb.x + bb.width / 2;
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var midY = bb.y + bb.height / 2;
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var lenX = x - midX;
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var lenY = y - midY;
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var slope = Math.abs(lenY / lenX);
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var ratio;
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if (slope < bb.height / bb.width) {
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ratio = bb.width / 2 / Math.abs(lenX);
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} else {
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ratio = lenY ? bb.height / 2 / Math.abs(lenY) : 0;
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}
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return {
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x: midX + lenX * ratio,
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y: midY + lenY * ratio
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};
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};
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svgEditor = _this;
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svgCanvas = svgEditor.canvas;
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getElem = svgCanvas.getElem;
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$ = S.$, svgroot = S.svgroot, importLocale = S.importLocale, addElem = svgCanvas.addSVGElementFromJson, selManager = S.selectorManager, connSel = '.se_connector', elData = $.data;
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_context.next = 14;
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return importLocale();
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case 14:
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strings = _context.sent;
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svgcontent = S.svgcontent, started = false, connections = [], selElems = [];
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/**
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*
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* @param {Float} x
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* @param {Float} y
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* @param {module:utilities.BBoxObject} bb
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* @param {Float} offset
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* @returns {module:math.XYObject}
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*/
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// Do once
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(function () {
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var gse = svgCanvas.groupSelectedElements;
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svgCanvas.groupSelectedElements = function () {
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svgCanvas.removeFromSelection($(connSel).toArray());
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for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
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args[_key] = arguments[_key];
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}
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return gse.apply(this, args);
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};
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var mse = svgCanvas.moveSelectedElements;
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svgCanvas.moveSelectedElements = function () {
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for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
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args[_key2] = arguments[_key2];
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}
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var cmd = mse.apply(this, args);
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updateConnectors();
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return cmd;
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};
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seNs = svgCanvas.getEditorNS();
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})();
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/**
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* Do on reset.
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* @returns {void}
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*/
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// $(svgroot).parent().mousemove(function (e) {
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// // if (started
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// // || svgCanvas.getMode() !== 'connector'
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// // || e.target.parentNode.parentNode !== svgcontent) return;
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//
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// console.log('y')
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// // if (e.target.parentNode.parentNode === svgcontent) {
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// //
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// // }
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// });
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buttons = [{
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id: 'mode_connect',
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type: 'mode',
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icon: svgEditor.curConfig.imgPath + 'cut.png',
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includeWith: {
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button: '#tool_line',
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isDefault: false,
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position: 1
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},
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events: {
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click: function click() {
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svgCanvas.setMode('connector');
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}
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}
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}];
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return _context.abrupt("return", {
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name: strings.name,
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svgicons: svgEditor.curConfig.imgPath + 'conn.svg',
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buttons: strings.buttons.map(function (button, i) {
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return Object.assign(buttons[i], button);
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}),
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/* async */
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addLangData: function addLangData(_ref) {
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var lang = _ref.lang;
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// , importLocale: importLoc
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return {
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data: strings.langList
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};
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},
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mouseDown: function mouseDown(opts) {
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var e = opts.event;
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startX = opts.start_x;
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startY = opts.start_y;
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var mode = svgCanvas.getMode();
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var initStroke = svgEditor.curConfig.initStroke;
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if (mode === 'connector') {
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if (started) {
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return undefined;
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}
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var mouseTarget = e.target;
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var parents = $(mouseTarget).parents();
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if ($.inArray(svgcontent, parents) !== -1) {
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// Connectable element
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// If child of foreignObject, use parent
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var fo = $(mouseTarget).closest('foreignObject');
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startElem = fo.length ? fo[0] : mouseTarget; // Get center of source element
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var bb = svgCanvas.getStrokedBBox([startElem]);
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var x = bb.x + bb.width / 2;
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var y = bb.y + bb.height / 2;
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started = true;
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curLine = addElem({
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element: 'polyline',
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attr: {
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id: svgCanvas.getNextId(),
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points: x + ',' + y + ' ' + x + ',' + y + ' ' + startX + ',' + startY,
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stroke: '#' + initStroke.color,
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'stroke-width': !startElem.stroke_width || startElem.stroke_width === 0 ? initStroke.width : startElem.stroke_width,
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fill: 'none',
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opacity: initStroke.opacity,
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style: 'pointer-events:none'
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}
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});
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elData(curLine, 'start_bb', bb);
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}
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return {
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started: true
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};
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}
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if (mode === 'select') {
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findConnectors();
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}
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return undefined;
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},
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mouseMove: function mouseMove(opts) {
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var zoom = svgCanvas.getZoom(); // const e = opts.event;
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var x = opts.mouse_x / zoom;
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var y = opts.mouse_y / zoom;
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var diffX = x - startX,
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diffY = y - startY;
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var mode = svgCanvas.getMode();
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if (mode === 'connector' && started) {
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// const sw = curLine.getAttribute('stroke-width') * 3;
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// Set start point (adjusts based on bb)
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var pt = getBBintersect(x, y, elData(curLine, 'start_bb'), getOffset('start', curLine));
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startX = pt.x;
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startY = pt.y;
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setPoint(curLine, 0, pt.x, pt.y, true); // Set end point
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setPoint(curLine, 'end', x, y, true);
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} else if (mode === 'select') {
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var slen = selElems.length;
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while (slen--) {
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var elem = selElems[slen]; // Look for selected connector elements
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if (elem && elData(elem, 'c_start')) {
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// Remove the "translate" transform given to move
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svgCanvas.removeFromSelection([elem]);
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svgCanvas.getTransformList(elem).clear();
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}
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}
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if (connections.length) {
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updateLine(diffX, diffY);
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}
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}
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},
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mouseUp: function mouseUp(opts) {
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// const zoom = svgCanvas.getZoom();
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var e = opts.event; // , x = opts.mouse_x / zoom,
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// , y = opts.mouse_y / zoom,
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var mouseTarget = e.target;
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if (svgCanvas.getMode() !== 'connector') {
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return undefined;
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}
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var fo = $(mouseTarget).closest('foreignObject');
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if (fo.length) {
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mouseTarget = fo[0];
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}
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var parents = $(mouseTarget).parents();
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if (mouseTarget === startElem) {
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// Start line through click
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started = true;
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return {
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keep: true,
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element: null,
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started: started
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};
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}
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if ($.inArray(svgcontent, parents) === -1) {
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// Not a valid target element, so remove line
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$(curLine).remove();
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started = false;
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return {
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keep: false,
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element: null,
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started: started
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};
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} // Valid end element
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endElem = mouseTarget;
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var startId = startElem.id,
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endId = endElem.id;
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var connStr = startId + ' ' + endId;
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var altStr = endId + ' ' + startId; // Don't create connector if one already exists
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var dupe = $(svgcontent).find(connSel).filter(function () {
|
|
var conn = this.getAttributeNS(seNs, 'connector');
|
|
|
|
if (conn === connStr || conn === altStr) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
});
|
|
|
|
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', Boolean(start)).data('end_off', Boolean(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 _context.stop();
|
|
}
|
|
}
|
|
}, _callee);
|
|
}))();
|
|
}
|
|
};
|
|
|
|
return extConnector;
|
|
|
|
}());
|