Actualización

main/inc/lib/javascript/svgedit/extensions/ext-eyedropper.js

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+/*globals svgEditor, svgedit, $*/
+/*jslint vars: true, eqeq: true*/
+/*
+ * ext-eyedropper.js
+ *
+ * Licensed under the MIT License
+ *
+ * Copyright(c) 2010 Jeff Schiller
+ *
+ */
+
+// Dependencies:
+// 1) jQuery
+// 2) history.js
+// 3) svg_editor.js
+// 4) svgcanvas.js
+
+svgEditor.addExtension("eyedropper", function(S) {'use strict';
+	var // NS = svgedit.NS,
+		// svgcontent = S.svgcontent,
+		// svgdoc = S.svgroot.parentNode.ownerDocument,
+		svgCanvas = svgEditor.canvas,
+		ChangeElementCommand = svgedit.history.ChangeElementCommand,
+		addToHistory = function(cmd) { svgCanvas.undoMgr.addCommandToHistory(cmd); },
+		currentStyle = {
+			fillPaint: "red", fillOpacity: 1.0,
+			strokePaint: "black", strokeOpacity: 1.0, 
+			strokeWidth: 5, strokeDashArray: null,
+			opacity: 1.0,
+			strokeLinecap: 'butt',
+			strokeLinejoin: 'miter'
+		};
+
+	function getStyle(opts) {
+		// if we are in eyedropper mode, we don't want to disable the eye-dropper tool
+		var mode = svgCanvas.getMode();
+		if (mode == "eyedropper") {return;}
+
+		var elem = null;
+		var tool = $('#tool_eyedropper');
+		// enable-eye-dropper if one element is selected
+		if (!opts.multiselected && opts.elems[0] &&
+			$.inArray(opts.elems[0].nodeName, ['svg', 'g', 'use']) === -1
+		) {
+			elem = opts.elems[0];
+			tool.removeClass('disabled');
+			// grab the current style
+			currentStyle.fillPaint = elem.getAttribute("fill") || "black";
+			currentStyle.fillOpacity = elem.getAttribute("fill-opacity") || 1.0;
+			currentStyle.strokePaint = elem.getAttribute("stroke");
+			currentStyle.strokeOpacity = elem.getAttribute("stroke-opacity") || 1.0;
+			currentStyle.strokeWidth = elem.getAttribute("stroke-width");
+			currentStyle.strokeDashArray = elem.getAttribute("stroke-dasharray");
+			currentStyle.strokeLinecap = elem.getAttribute("stroke-linecap");
+			currentStyle.strokeLinejoin = elem.getAttribute("stroke-linejoin");
+			currentStyle.opacity = elem.getAttribute("opacity") || 1.0;
+		}
+		// disable eye-dropper tool
+		else {
+			tool.addClass('disabled');
+		}
+
+	}
+	
+	return {
+		name: "eyedropper",
+		svgicons: svgEditor.curConfig.extPath + "eyedropper-icon.xml",
+		buttons: [{
+			id: "tool_eyedropper",
+			type: "mode",
+			title: "Eye Dropper Tool",
+			key: "I",
+			events: {
+				"click": function() {
+					svgCanvas.setMode("eyedropper");
+				}
+			}
+		}],
+		
+		// if we have selected an element, grab its paint and enable the eye dropper button
+		selectedChanged: getStyle,
+		elementChanged: getStyle,
+		
+		mouseDown: function(opts) {
+			var mode = svgCanvas.getMode();
+			if (mode == "eyedropper") {
+				var e = opts.event;
+				var target = e.target;
+				if ($.inArray(target.nodeName, ['svg', 'g', 'use']) === -1) {
+					var changes = {};
+
+					var change = function(elem, attrname, newvalue) {
+						changes[attrname] = elem.getAttribute(attrname);
+						elem.setAttribute(attrname, newvalue);
+					};
+					
+					if (currentStyle.fillPaint) {change(target, "fill", currentStyle.fillPaint);}
+					if (currentStyle.fillOpacity) {change(target, "fill-opacity", currentStyle.fillOpacity);}
+					if (currentStyle.strokePaint) {change(target, "stroke", currentStyle.strokePaint);}
+					if (currentStyle.strokeOpacity) {change(target, "stroke-opacity", currentStyle.strokeOpacity);}
+					if (currentStyle.strokeWidth) {change(target, "stroke-width", currentStyle.strokeWidth);}
+					if (currentStyle.strokeDashArray) {change(target, "stroke-dasharray", currentStyle.strokeDashArray);}
+					if (currentStyle.opacity) {change(target, "opacity", currentStyle.opacity);}
+					if (currentStyle.strokeLinecap) {change(target, "stroke-linecap", currentStyle.strokeLinecap);}
+					if (currentStyle.strokeLinejoin) {change(target, "stroke-linejoin", currentStyle.strokeLinejoin);}
+					
+					addToHistory(new ChangeElementCommand(target, changes));
+				}
+			}
+		}
+	};
+});