adds custom context menu of type dhtmlXMenuObject. Use “onBeforeContextMenu” event to customize menu for a particular tree item.
<link rel="stylesheet" type="text/css" href="../dhtmlxMenu/codebase/skins/dhtmlxmenu_dhx_skyblue.css"> <script type="text/javascript" language="JavaScript" src="../dhtmlxMenu/codebase/dhtmlxmenu.js"></script> <script type="text/javascript" language="JavaScript" src="../dhtmlxMenu/codebase/ext/dhtmlxmenu_ext.js"></script>
var menu = new dhtmlXMenuObject(); menu.setIconsPath("../dhtmlxMenu/codebase/imgs/dhtmlxmenu_dhx_skyblue"); menu.renderAsContextMenu(); menu.loadXMLString('<menu><item id="m1" text="Item name placeholder"/><item id="m2" text="Get info"/></menu>'); menu.attachEvent("onClick", function(id){ var obj = menu.getUserData("","obj"); if (obj) { var o = obj.o; if (obj.type == "p") { alert("Project, id=" + o.getId() + ", name=" + o.getName() + ", start date=" + o.getStartDate() + ", duration=" + o.getDuration() + "hours, percent complete=" + o.getPercentCompleted() + "%"); } else if (obj.type == "t") { alert("Task, id=" + obj.o.getId() + ", name=" + obj.o.getName() + ", EST=" + obj.o.getEST() + ", duration=" + o.getDuration() + "hours, percent complete=" + o.getPercentCompleted() + "%" + ", parentTaskId=" + o.getParentTaskId() + ", pred.taskId=" + o.getPredecessorTaskId()); } } }); ganttChartControl.setContextMenu(menu); ganttChartControl.attachEvent("onBeforeContextMenu", function(menu,obj) { // A sample of disabling menu for some particular tree item if (obj.getId()==15) return false; if (obj.isProject) { // Project menu menu.setItemText("m1", "Project: " + obj.getName()); menu.setUserData("","obj",{type:"p",o:obj}); } else if (obj.isTask) { // Task menu menu.setItemText("m1", "Task: " + obj.getName()); menu.setUserData("","obj",{type:"t",o:obj}); } }); ganttChartControl.create("div15");