110 lines
3.8 KiB
JavaScript
110 lines
3.8 KiB
JavaScript
/*
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* ext-eyedropper.js
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*
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* Licensed under the Apache License, Version 2
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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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var svgcontent = S.svgcontent,
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svgns = "http://www.w3.org/2000/svg",
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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 = {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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}
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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: "extensions/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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