--- /dev/null
+<html>\r
+<head>\r
+ <title>The source code</title>\r
+ <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />\r
+ <script type="text/javascript" src="../resources/prettify/prettify.js"></script>\r
+</head>\r
+<body onload="prettyPrint();">\r
+ <pre class="prettyprint lang-js">FeedPanel = function() {\r
+ FeedPanel.superclass.constructor.call(this, {\r
+ id:'feed-tree',\r
+ region:'west',\r
+ title:'Feeds',\r
+ split:true,\r
+ width: 225,\r
+ minSize: 175,\r
+ maxSize: 400,\r
+ collapsible: true,\r
+ margins:'0 0 5 5',\r
+ cmargins:'0 5 5 5',\r
+ rootVisible:false,\r
+ lines:false,\r
+ autoScroll:true,\r
+ root: new Ext.tree.TreeNode('My Feeds'),\r
+ collapseFirst:false,\r
+ tbar: [{\r
+ iconCls:'add-feed',\r
+ text:'Add Feed',\r
+ handler: this.showWindow,\r
+ scope: this\r
+ },{\r
+ id:'delete',\r
+ iconCls:'delete-icon',\r
+ text:'Remove',\r
+ handler: function(){\r
+ var s = this.getSelectionModel().getSelectedNode();\r
+ if(s){\r
+ this.removeFeed(s.attributes.url);\r
+ }\r
+ },\r
+ scope: this\r
+ }]\r
+ });\r
+\r
+ this.feeds = this.root.appendChild(\r
+ new Ext.tree.TreeNode({\r
+ text:'My Feeds',\r
+ cls:'feeds-node',\r
+ expanded:true\r
+ })\r
+ );\r
+\r
+ this.getSelectionModel().on({\r
+ 'beforeselect' : function(sm, node){\r
+ return node.isLeaf();\r
+ },\r
+ 'selectionchange' : function(sm, node){\r
+ if(node){\r
+ this.fireEvent('feedselect', node.attributes);\r
+ }\r
+ this.getTopToolbar().items.get('delete').setDisabled(!node);\r
+ },\r
+ scope:this\r
+ });\r
+\r
+ this.addEvents({feedselect:true});\r
+\r
+ this.on('contextmenu', this.onContextMenu, this);\r
+};\r
+\r
+Ext.extend(FeedPanel, Ext.tree.TreePanel, {\r
+\r
+ onContextMenu : function(node, e){\r
+ if(!this.menu){ // create context menu on first right click\r
+ this.menu = new Ext.menu.Menu({\r
+ id:'feeds-ctx',\r
+ items: [{\r
+ id:'load',\r
+ iconCls:'load-icon',\r
+ text:'Load Feed',\r
+ scope: this,\r
+ handler:function(){\r
+ this.ctxNode.select();\r
+ }\r
+ },{\r
+ text:'Remove',\r
+ iconCls:'delete-icon',\r
+ scope: this,\r
+ handler:function(){\r
+ this.ctxNode.ui.removeClass('x-node-ctx');\r
+ this.removeFeed(this.ctxNode.attributes.url);\r
+ this.ctxNode = null;\r
+ }\r
+ },'-',{\r
+ iconCls:'add-feed',\r
+ text:'Add Feed',\r
+ handler: this.showWindow,\r
+ scope: this\r
+ }]\r
+ });\r
+ this.menu.on('hide', this.onContextHide, this);\r
+ }\r
+ if(this.ctxNode){\r
+ this.ctxNode.ui.removeClass('x-node-ctx');\r
+ this.ctxNode = null;\r
+ }\r
+ if(node.isLeaf()){\r
+ this.ctxNode = node;\r
+ this.ctxNode.ui.addClass('x-node-ctx');\r
+ this.menu.items.get('load').setDisabled(node.isSelected());\r
+ this.menu.showAt(e.getXY());\r
+ }\r
+ },\r
+\r
+ onContextHide : function(){\r
+ if(this.ctxNode){\r
+ this.ctxNode.ui.removeClass('x-node-ctx');\r
+ this.ctxNode = null;\r
+ }\r
+ },\r
+\r
+ showWindow : function(btn){\r
+ if(!this.win){\r
+ this.win = new FeedWindow();\r
+ this.win.on('validfeed', this.addFeed, this);\r
+ }\r
+ this.win.show(btn);\r
+ },\r
+\r
+ selectFeed: function(url){\r
+ this.getNodeById(url).select();\r
+ },\r
+\r
+ removeFeed: function(url){\r
+ var node = this.getNodeById(url);\r
+ if(node){\r
+ node.unselect();\r
+ Ext.fly(node.ui.elNode).ghost('l', {\r
+ callback: node.remove, scope: node, duration: .4\r
+ });\r
+ }\r
+ },\r
+\r
+ addFeed : function(attrs, inactive, preventAnim){\r
+ var exists = this.getNodeById(attrs.url);\r
+ if(exists){\r
+ if(!inactive){\r
+ exists.select();\r
+ exists.ui.highlight();\r
+ }\r
+ return;\r
+ }\r
+ Ext.apply(attrs, {\r
+ iconCls: 'feed-icon',\r
+ leaf:true,\r
+ cls:'feed',\r
+ id: attrs.url\r
+ });\r
+ var node = new Ext.tree.TreeNode(attrs);\r
+ this.feeds.appendChild(node);\r
+ if(!inactive){\r
+ if(!preventAnim){\r
+ Ext.fly(node.ui.elNode).slideIn('l', {\r
+ callback: node.select, scope: node, duration: .4\r
+ });\r
+ }else{\r
+ node.select();\r
+ }\r
+ }\r
+ return node;\r
+ },\r
+\r
+ // prevent the default context menu when you miss the node\r
+ afterRender : function(){\r
+ FeedPanel.superclass.afterRender.call(this);\r
+ this.el.on('contextmenu', function(e){\r
+ e.preventDefault();\r
+ });\r
+ }\r
+});\r
+\r
+Ext.reg('appfeedpanel', FeedPanel); </pre> \r
+</body>\r
+</html>
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git.ithinksw.org / extjs.git / blobdiff