Start Issue 258: dirt-simple extension of a context button to close/open a path. Needs images. And paths that were closed and then opened need some debugging in svgcanvas.js

git-svn-id: http://svg-edit.googlecode.com/svn/trunk@1366 eee81c28-f429-11dd-99c0-75d572ba1ddd

editor/extensions/ext-closepath.js

@@ -0,0 +1,75 @@
+/*
+ * ext-closepath.js
+ *
+ * Licensed under the Apache License, Version 2
+ *
+ * Copyright(c) 2010 Jeff Schiller
+ *
+ */
+
+// This extension adds a simple button to the contextual panel for paths
+// The button toggles whether the path is open or closed
+$(function() {
+	svgCanvas.addExtension("ClosePath", function(S) {
+		var selElems,
+			updateButton = function(path) {
+				var seglist = path.pathSegList,
+					button = $('#closepath_panel > div.tool_button')[0];
+					$(button).html(seglist.getItem(seglist.numberOfItems - 1).pathSegType==1 ? "open":"close");
+			},
+			showPanel = function(on) {
+				$('#closepath_panel').toggle(on);
+				if (on) {
+					var path = selElems[0];
+					if (path) updateButton(path);
+				}
+			},
+		
+			toggleClosed = function() {
+				var path = selElems[0];
+				if (path) {
+					var seglist = path.pathSegList,
+						last = seglist.numberOfItems - 1;					
+					// is closed
+					if(seglist.getItem(last).pathSegType == 1) {
+						seglist.removeItem(last);
+					}
+					else {
+						seglist.appendItem(path.createSVGPathSegClosePath());
+					}
+					updateButton(path);
+				}
+			};
+		
+		return {
+			name: "ClosePath",
+			context_tools: [{
+				type: "tool_button",
+				panel: "closepath_panel",
+				title: "Open or Close path",
+				id: "close",
+				events: { mousedown: toggleClosed }
+			}],
+			callback: function() {
+				$('#closepath_panel').hide();
+			},
+			selectedChanged: function(opts) {
+				selElems = opts.elems;
+				var i = selElems.length;
+				
+				while(i--) {
+					var elem = selElems[i];
+					if(elem && elem.tagName == 'path') {
+						if(opts.selectedElement && !opts.multiselected) {
+							showPanel(true);
+						} else {
+							showPanel(false);
+						}
+					} else {
+						showPanel(false);
+					}
+				}
+			},
+		};
+	});
+});

editor/svg-editor.html

@@ -18,6 +18,7 @@
 <script type="text/javascript" src="locale/locale.js"></script>
 <script type="text/javascript" src="svgcanvas.js"></script>
 <script type="text/javascript" src="svg-editor.js"></script>
+<script type="text/javascript" src="extensions/ext-closepath.js"></script>
 <script type="text/javascript" src="extensions/ext-arrows.js"></script>
 <script type="text/javascript" src="extensions/ext-connector.js"></script>
 

editor/svg-editor.js

@@ -540,6 +540,15 @@ function svg_edit_setup() {
 				
 				// TODO: Allow support for other types, or adding to existing tool
 				switch (tool.type) {
+				case 'tool_button':
+					var html = '<div class="tool_button">' + tool.id + '</div>';
+					var div = $(html).appendTo(panel);
+					if (tool.events) {
+						$.each(tool.events, function(evt, func) {
+							$(div).bind(evt, func);
+						});
+					}
+					break;
 				case 'select':
 					var html = '<label' + cont_id + '>'
 						+ '<select id="' + tool.id + '">';