myportalcontextmenu.js

Telerik是很大的第三方软件制造商

var MyPortalContextMenu = {
	contextMenu : null,
	
	Hide : function()
	{
		if (this.contextMenu)
		{
			this.contextMenu.style.display = "none";
		}
	},

	Show : function(e, contextMenuId)
	{
		var x = document.body.scrollLeft + document.documentElement.scrollLeft + e.clientX;
		var y = document.body.scrollTop + document.documentElement.scrollTop + e.clientY;
		
		if (!this.contextMenu)
		{
			this.contextMenu = document.getElementById(contextMenuId);
		}
		
		var cmTable = this.contextMenu;
		
		var rows = cmTable.rows;
		for (var i = 0; i < rows.length; i++)
		{
			this.SetItemState(rows[i]);
		}
		
		cmTable.style.display = "";
		cmTable.style.top = (y + "px");
		cmTable.style.left = (x + "px");
	},

	SetItemState : function(menuItem)
	{
		var id = menuItem.getAttribute("id").substr(this.ItemPrefix.length,menuItem.getAttribute("id").length);
		var dockableObject = document.getElementById(id);
		if (!dockableObject)
			return;
		var isVisible = (dockableObject.style.display != "none");
		menuItem.cells[0].childNodes[0].style.visibility = isVisible ? "" : "hidden";
		menuItem.className = "";
	},

	ItemClicked : function(menuItem)
	{	
		var id = menuItem.getAttribute("id").substr(this.ItemPrefix.length,menuItem.getAttribute("id").length);
		var dockableObject = document.getElementById(id);
		if (!dockableObject)
			return;
		
		dockableObject.Show(!dockableObject.IsVisible());
	}, 
	ItemPrefix : '___'
};