wp/nwyj/.svn/pristine/53/5300457789ae2117d008a7de4e5a199f427bf98d.svn-base

/*
 * Ext JS Library 2.0 Copyright(c) 2006-2007, Ext JS, LLC. licensing@extjs.com
 * 
 * http://extjs.com/license
 */

Ext.tree.TreeEventModel = function(tree) {
	this.tree = tree;
	this.tree.on('render', this.initEvents, this);
}

Ext.tree.TreeEventModel.prototype = {
	initEvents : function() {
		var el = this.tree.getTreeEl();
		el.on('click', this.delegateClick, this);
		el.on('mouseover', this.delegateOver, this);
		el.on('mouseout', this.delegateOut, this);
		el.on('dblclick', this.delegateDblClick, this);
		el.on('contextmenu', this.delegateContextMenu, this);
	},

	getNode : function(e) {
		var t;
		if (t = e.getTarget('.x-tree-node-el', 10)) {
			var id = Ext.fly(t, '_treeEvents').getAttributeNS('ext',
					'tree-node-id');
			if (id) {
				return this.tree.getNodeById(id);
			}
		}
		return null;
	},

	getNodeTarget : function(e) {
		var t = e.getTarget('.x-tree-node-icon', 1);
		if (!t) {
			t = e.getTarget('.x-tree-node-el', 6);
		}
		return t;
	},

	delegateOut : function(e, t) {
		if (!this.beforeEvent(e)) {
			return;
		}
		t = this.getNodeTarget(e);
		if (t && !e.within(t, true)) {
			this.onNodeOut(e, this.getNode(e));
		}
	},

	delegateOver : function(e, t) {
		if (!this.beforeEvent(e)) {
			return;
		}
		t = this.getNodeTarget(e);
		if (t) {
			this.onNodeOver(e, this.getNode(e));
		}
	},

	delegateClick : function(e, t) {
		if (!this.beforeEvent(e)) {
			return;
		}

		if (e.getTarget('input[type=checkbox]', 1)) {
			this.onCheckboxClick(e, this.getNode(e));
		} else if (e.getTarget('.x-tree-ec-icon', 1)) {
			this.onIconClick(e, this.getNode(e));
		} else if (this.getNodeTarget(e)) {
			this.onNodeClick(e, this.getNode(e));
		}
	},

	delegateDblClick : function(e, t) {
		if (this.beforeEvent(e) && this.getNodeTarget(e)) {
			this.onNodeDblClick(e, this.getNode(e));
		}
	},

	delegateContextMenu : function(e, t) {
		if (this.beforeEvent(e) && this.getNodeTarget(e)) {
			this.onNodeContextMenu(e, this.getNode(e));
		}
	},

	onNodeClick : function(e, node) {
		node.ui.onClick(e);
	},

	onNodeOver : function(e, node) {
		node.ui.onOver(e);
	},

	onNodeOut : function(e, node) {
		node.ui.onOut(e);
	},

	onIconClick : function(e, node) {
		node.ui.ecClick(e);
	},

	onCheckboxClick : function(e, node) {
		node.ui.onCheckChange(e);
	},

	onNodeDblClick : function(e, node) {
		node.ui.onDblClick(e);
	},

	onNodeContextMenu : function(e, node) {
		node.ui.onContextMenu(e);
	},

	beforeEvent : function(e) {
		if (this.disabled) {
			e.stopEvent();
			return false;
		}
		return true;
	},

	disable : function() {
		this.disabled = true;
	},

	enable : function() {
		this.disabled = false;
	}
};