/* globals jQuery */
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/**
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* ext-foreignobject.js
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*
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* @license Apache-2.0
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*
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* @copyright 2010 Jacques Distler, 2010 Alexis Deveria
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*
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*/
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export default {
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name: 'foreignobject',
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async init (S) {
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const svgEditor = this;
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const {text2xml, NS, importLocale} = S;
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const $ = jQuery;
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const svgCanvas = svgEditor.canvas;
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const
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// {svgcontent} = S,
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// addElem = svgCanvas.addSVGElementFromJson,
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svgdoc = S.svgroot.parentNode.ownerDocument;
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const strings = await importLocale();
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const properlySourceSizeTextArea = function () {
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// TODO: remove magic numbers here and get values from CSS
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const height = $('#svg_source_container').height() - 80;
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$('#svg_source_textarea').css('height', height);
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};
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function showPanel (on) {
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let fcRules = $('#fc_rules');
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if (!fcRules.length) {
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fcRules = $('<style id="fc_rules"></style>').appendTo('head');
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}
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fcRules.text(!on ? '' : ' #tool_topath { display: none !important; }');
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$('#foreignObject_panel').toggle(on);
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}
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function toggleSourceButtons (on) {
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$('#tool_source_save, #tool_source_cancel').toggle(!on);
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$('#foreign_save, #foreign_cancel').toggle(on);
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}
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let selElems,
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started,
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newFO,
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editingforeign = false;
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/**
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* This function sets the content of element elt to the input XML.
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* @param {string} xmlString - The XML text
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* @param {Element} elt - the parent element to append to
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* @returns {boolean} This function returns false if the set was unsuccessful, true otherwise.
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*/
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function setForeignString (xmlString) {
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const elt = selElems[0];
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try {
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// convert string into XML document
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const newDoc = text2xml('<svg xmlns="' + NS.SVG + '" xmlns:xlink="' + NS.XLINK + '">' + xmlString + '</svg>');
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// run it through our sanitizer to remove anything we do not support
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svgCanvas.sanitizeSvg(newDoc.documentElement);
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elt.replaceWith(svgdoc.importNode(newDoc.documentElement.firstChild, true));
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svgCanvas.call('changed', [elt]);
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svgCanvas.clearSelection();
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} catch (e) {
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console.log(e);
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return false;
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}
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return true;
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}
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function showForeignEditor () {
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const elt = selElems[0];
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if (!elt || editingforeign) { return; }
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editingforeign = true;
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toggleSourceButtons(true);
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elt.removeAttribute('fill');
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const str = svgCanvas.svgToString(elt, 0);
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$('#svg_source_textarea').val(str);
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$('#svg_source_editor').fadeIn();
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properlySourceSizeTextArea();
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$('#svg_source_textarea').focus();
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}
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function setAttr (attr, val) {
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svgCanvas.changeSelectedAttribute(attr, val);
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svgCanvas.call('changed', selElems);
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}
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const buttons = [{
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id: 'tool_foreign',
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icon: svgEditor.curConfig.extIconsPath + 'foreignobject-tool.png',
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type: 'mode',
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events: {
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click () {
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svgCanvas.setMode('foreign');
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}
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}
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}, {
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id: 'edit_foreign',
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icon: svgEditor.curConfig.extIconsPath + 'foreignobject-edit.png',
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type: 'context',
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panel: 'foreignObject_panel',
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events: {
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click () {
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showForeignEditor();
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}
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}
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}];
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const contextTools = [
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{
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type: 'input',
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panel: 'foreignObject_panel',
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id: 'foreign_width',
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size: 3,
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events: {
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change () {
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setAttr('width', this.value);
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}
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}
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}, {
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type: 'input',
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panel: 'foreignObject_panel',
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id: 'foreign_height',
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events: {
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change () {
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setAttr('height', this.value);
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}
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}
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}, {
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type: 'input',
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panel: 'foreignObject_panel',
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id: 'foreign_font_size',
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size: 2,
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defval: 16,
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events: {
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change () {
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setAttr('font-size', this.value);
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}
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}
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}
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];
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return {
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name: strings.name,
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svgicons: svgEditor.curConfig.extIconsPath + 'foreignobject-icons.xml',
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buttons: strings.buttons.map((button, i) => {
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return Object.assign(buttons[i], button);
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}),
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context_tools: strings.contextTools.map((contextTool, i) => {
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return Object.assign(contextTools[i], contextTool);
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}),
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callback () {
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$('#foreignObject_panel').hide();
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const endChanges = function () {
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$('#svg_source_editor').hide();
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editingforeign = false;
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$('#svg_source_textarea').blur();
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toggleSourceButtons(false);
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};
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// TODO: Needs to be done after orig icon loads
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setTimeout(function () {
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// Create source save/cancel buttons
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/* const save = */ $('#tool_source_save').clone()
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.hide().attr('id', 'foreign_save').unbind()
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.appendTo('#tool_source_back').click(function () {
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if (!editingforeign) { return; }
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if (!setForeignString($('#svg_source_textarea').val())) {
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$.confirm('Errors found. Revert to original?', function (ok) {
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if (!ok) { return false; }
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endChanges();
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});
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} else {
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endChanges();
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}
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// setSelectMode();
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});
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/* const cancel = */ $('#tool_source_cancel').clone()
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.hide().attr('id', 'foreign_cancel').unbind()
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.appendTo('#tool_source_back').click(function () {
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endChanges();
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});
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}, 3000);
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},
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mouseDown (opts) {
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// const e = opts.event;
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if (svgCanvas.getMode() === 'foreign') {
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started = true;
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newFO = svgCanvas.addSVGElementFromJson({
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element: 'foreignObject',
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attr: {
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x: opts.start_x,
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y: opts.start_y,
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id: svgCanvas.getNextId(),
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'font-size': 16, // cur_text.font_size,
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width: '48',
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height: '20',
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style: 'pointer-events:inherit'
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}
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});
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const m = svgdoc.createElementNS(NS.MATH, 'math');
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m.setAttributeNS(NS.XMLNS, 'xmlns', NS.MATH);
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m.setAttribute('display', 'inline');
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const mi = svgdoc.createElementNS(NS.MATH, 'mi');
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mi.setAttribute('mathvariant', 'normal');
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mi.textContent = '\u03A6';
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const mo = svgdoc.createElementNS(NS.MATH, 'mo');
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mo.textContent = '\u222A';
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const mi2 = svgdoc.createElementNS(NS.MATH, 'mi');
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mi2.textContent = '\u2133';
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m.append(mi, mo, mi2);
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newFO.append(m);
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return {
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started: true
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};
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}
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},
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mouseUp (opts) {
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// const e = opts.event;
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if (svgCanvas.getMode() === 'foreign' && started) {
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const attrs = $(newFO).attr(['width', 'height']);
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const keep = (attrs.width !== '0' || attrs.height !== '0');
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svgCanvas.addToSelection([newFO], true);
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return {
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keep,
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element: newFO
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};
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}
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},
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selectedChanged (opts) {
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// Use this to update the current selected elements
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selElems = opts.elems;
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let i = selElems.length;
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while (i--) {
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const elem = selElems[i];
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if (elem && elem.tagName === 'foreignObject') {
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if (opts.selectedElement && !opts.multiselected) {
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$('#foreign_font_size').val(elem.getAttribute('font-size'));
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$('#foreign_width').val(elem.getAttribute('width'));
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$('#foreign_height').val(elem.getAttribute('height'));
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showPanel(true);
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} else {
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showPanel(false);
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}
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} else {
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showPanel(false);
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}
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}
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},
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elementChanged (opts) {
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// const elem = opts.elems[0];
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}
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};
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}
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};
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