load data at first click

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@8763 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-UI/js/nodes/nodes.js

@@ -142,7 +142,6 @@ function loadGroups(data) {
 			
 			// Create loader
 			var loader = $('<center></center>').append(createLoader());
-			var loader2 = $('<center></center>').append(createLoader());
 			
 			// Create a tab for this group
 			var tab = new Tab('nodesPageTabs');
@@ -150,7 +149,7 @@ function loadGroups(data) {
 			tab.init();
 			$('#nodes').append(tab.object());
 			tab.add('nodesTab', 'Nodes', loader, false);
-			tab.add('graphTab', 'Graphical', loader2, false);
+			tab.add('graphTab', 'Graphical', '', false);
 			
 			$('#nodesPageTabs').bind('tabsselect', function(event, ui){
 				//for the graphical tab, we should check the graphical data first

xCAT-UI/js/nodes/physical.js

@@ -4,8 +4,10 @@ var lparList;
 var graphicalNodeList;
 var selectNode;
 var graphicalDataType = ['nodetype.nodetype', 'ppc.parent', 'nodelist.status', 'vpd.mtm'];
+var gettingDataFlag = false;
 
 function initGraphicalData(dataTypeIndex){
+	gettingDataFlag = true;
 	if (undefined == dataTypeIndex){
 		dataTypeIndex = 0;
 	}
@@ -34,6 +36,7 @@ function initGraphicalData(dataTypeIndex){
 				initGraphicalData(tempIndex);
 			}
 			else{
+				gettingDataFlag = false;
 				$('#graphTab').empty();
 				for (var temp in nodesList){
 					var nodeName = nodesList[temp];
@@ -100,6 +103,16 @@ function createPhysicalLayout(nodeList){
 		return;
 	}
 	
+	//it is getting data,so we had to wait now.
+	if(gettingDataFlag){
+		return;
+	}
+	
+	//when the graphical layout is shown, do not need to redraw
+	if (1 < $('#graphTab').children().length){
+		return;
+	}
+	
 	//save the new selected nodes.
 	if(graphicalNodeList){
 		for(var i in graphicalNodeList){