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sources/apps/files_svgedit/svg-edit/extensions/ext-closepath.js 2.06 KB
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  /*
   * 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
  svgEditor.addExtension("ClosePath", function(S) {
  		var selElems,
  			updateButton = function(path) {
  				var seglist = path.pathSegList,
  					closed = seglist.getItem(seglist.numberOfItems - 1).pathSegType==1,
  					showbutton = closed ? '#tool_openpath' : '#tool_closepath',
  					hidebutton = closed ? '#tool_closepath' : '#tool_openpath';
  					$(hidebutton).hide();
  					$(showbutton).show();
  			},
  			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",
  			svgicons: "extensions/closepath_icons.svg",
  			buttons: [{
  				id: "tool_openpath",
  				type: "context",
  				panel: "closepath_panel",
  				title: "Open path",
  				events: {
  					'click': function() {
  						toggleClosed();
  					}
  				}
  			},
  			{
  				id: "tool_closepath",
  				type: "context",
  				panel: "closepath_panel",
  				title: "Close path",
  				events: {
  					'click': function() {
  						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);
  					}
  				}
  			}
  		};
  });