116 lines
4.3 KiB
JavaScript
116 lines
4.3 KiB
JavaScript
/**
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* ext-eyedropper.js
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*
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* @license MIT
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*
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* @copyright 2010 Jeff Schiller
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*
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*/
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export default {
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name: 'eyedropper',
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async init (S) {
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const strings = await S.importLocale();
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const svgEditor = this;
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const {$, ChangeElementCommand} = S, // , svgcontent,
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// svgdoc = S.svgroot.parentNode.ownerDocument,
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svgCanvas = svgEditor.canvas,
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addToHistory = function (cmd) { svgCanvas.undoMgr.addCommandToHistory(cmd); },
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currentStyle = {
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fillPaint: 'red', fillOpacity: 1.0,
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strokePaint: 'black', strokeOpacity: 1.0,
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strokeWidth: 5, strokeDashArray: null,
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opacity: 1.0,
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strokeLinecap: 'butt',
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strokeLinejoin: 'miter'
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};
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/**
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*
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* @param {module:svgcanvas.SvgCanvas#event:ext-selectedChanged|module:svgcanvas.SvgCanvas#event:ext-elementChanged} opts
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* @returns {undefined}
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*/
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function getStyle (opts) {
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// if we are in eyedropper mode, we don't want to disable the eye-dropper tool
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const mode = svgCanvas.getMode();
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if (mode === 'eyedropper') { return; }
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const tool = $('#tool_eyedropper');
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// enable-eye-dropper if one element is selected
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let elem = null;
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if (!opts.multiselected && opts.elems[0] &&
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!['svg', 'g', 'use'].includes(opts.elems[0].nodeName)
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) {
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elem = opts.elems[0];
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tool.removeClass('disabled');
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// grab the current style
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currentStyle.fillPaint = elem.getAttribute('fill') || 'black';
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currentStyle.fillOpacity = elem.getAttribute('fill-opacity') || 1.0;
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currentStyle.strokePaint = elem.getAttribute('stroke');
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currentStyle.strokeOpacity = elem.getAttribute('stroke-opacity') || 1.0;
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currentStyle.strokeWidth = elem.getAttribute('stroke-width');
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currentStyle.strokeDashArray = elem.getAttribute('stroke-dasharray');
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currentStyle.strokeLinecap = elem.getAttribute('stroke-linecap');
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currentStyle.strokeLinejoin = elem.getAttribute('stroke-linejoin');
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currentStyle.opacity = elem.getAttribute('opacity') || 1.0;
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// disable eye-dropper tool
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} else {
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tool.addClass('disabled');
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}
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}
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const buttons = [
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{
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id: 'tool_eyedropper',
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icon: svgEditor.curConfig.extIconsPath + 'eyedropper.png',
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type: 'mode',
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events: {
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click () {
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svgCanvas.setMode('eyedropper');
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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 + 'eyedropper-icon.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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// if we have selected an element, grab its paint and enable the eye dropper button
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selectedChanged: getStyle,
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elementChanged: getStyle,
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mouseDown (opts) {
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const mode = svgCanvas.getMode();
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if (mode === 'eyedropper') {
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const e = opts.event;
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const {target} = e;
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if (!['svg', 'g', 'use'].includes(target.nodeName)) {
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const changes = {};
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const change = function (elem, attrname, newvalue) {
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changes[attrname] = elem.getAttribute(attrname);
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elem.setAttribute(attrname, newvalue);
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};
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if (currentStyle.fillPaint) { change(target, 'fill', currentStyle.fillPaint); }
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if (currentStyle.fillOpacity) { change(target, 'fill-opacity', currentStyle.fillOpacity); }
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if (currentStyle.strokePaint) { change(target, 'stroke', currentStyle.strokePaint); }
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if (currentStyle.strokeOpacity) { change(target, 'stroke-opacity', currentStyle.strokeOpacity); }
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if (currentStyle.strokeWidth) { change(target, 'stroke-width', currentStyle.strokeWidth); }
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if (currentStyle.strokeDashArray) { change(target, 'stroke-dasharray', currentStyle.strokeDashArray); }
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if (currentStyle.opacity) { change(target, 'opacity', currentStyle.opacity); }
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if (currentStyle.strokeLinecap) { change(target, 'stroke-linecap', currentStyle.strokeLinecap); }
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if (currentStyle.strokeLinejoin) { change(target, 'stroke-linejoin', currentStyle.strokeLinejoin); }
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addToHistory(new ChangeElementCommand(target, changes));
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}
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}
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}
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};
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}
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};
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