Commit c315939a82382cc1e36b25c3b66ac752c74cbd76

Fixed problem with empty tree

Under certain circumstances the tree became empty when switching between
Zone and Scene tabs.


60	60	}
61	61	);
62	62
63		dSS.ScenesPanel.superclass.initComponent.apply(this, arguments);
	63	this.updateTree();
64	64
65		this.on(
66		'afterrender',
67		function(component) {
68		this.updateTree();
69		dSS.data.Loader.getZoneStore().addListener('datachanged',
70		this.updateTree,
	65	dSS.data.Loader.getZoneStore().addListener('datachanged',
	66	this.updateTree,
71	67	this,
72	68	{ buffer: 1000 });
73		},
74		this
75		);
76	69
	70	dSS.ScenesPanel.superclass.initComponent.apply(this, arguments);
	71
77	72	this.on(
78	73	'activate',
79	74	function(component) {
80	75	var selModel = this.treePanel.getSelectionModel();
81	76	var node = selModel.getSelectedNode();
82	77	var root = this.treePanel.getRootNode();
83
84	78	if ((node === null) && root.hasChildNodes()) {
85	79	root.firstChild.select();
86	80	this.handleNodeClick(root.firstChild);
87	81	} else {
88	82	this.handleNodeClick(node);
89	83	}
90
91	84	},
92	85	this
93	86	);