112 lines
4.0 KiB
JavaScript
112 lines
4.0 KiB
JavaScript
/* eslint-disable no-var */
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/* globals svgEditor, svgedit, $ */
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/*
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* ext-eyedropper.js
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*
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* Licensed under the MIT License
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*
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* Copyright(c) 2010 Jeff Schiller
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*
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*/
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// Dependencies:
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// 1) jQuery
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// 2) history.js
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// 3) svg_editor.js
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// 4) svgcanvas.js
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svgEditor.addExtension('eyedropper', function (S) {
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'use strict';
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var // NS = svgedit.NS,
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// svgcontent = S.svgcontent,
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// svgdoc = S.svgroot.parentNode.ownerDocument,
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svgCanvas = svgEditor.canvas,
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ChangeElementCommand = svgedit.history.ChangeElementCommand,
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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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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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var mode = svgCanvas.getMode();
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if (mode === 'eyedropper') { return; }
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var elem = null;
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var tool = $('#tool_eyedropper');
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// enable-eye-dropper if one element is selected
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if (!opts.multiselected && opts.elems[0] &&
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$.inArray(opts.elems[0].nodeName, ['svg', 'g', 'use']) === -1
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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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return {
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name: 'eyedropper',
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svgicons: svgEditor.curConfig.extPath + 'eyedropper-icon.xml',
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buttons: [{
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id: 'tool_eyedropper',
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type: 'mode',
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title: 'Eye Dropper Tool',
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key: 'I',
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events: {
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click: function () {
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svgCanvas.setMode('eyedropper');
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}
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}
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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: function (opts) {
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var mode = svgCanvas.getMode();
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if (mode === 'eyedropper') {
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var e = opts.event;
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var target = e.target;
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if ($.inArray(target.nodeName, ['svg', 'g', 'use']) === -1) {
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var changes = {};
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var 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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