Jquery TreeView Collapse/Expand Callback event

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Hi,

I have used below Jquery treeview API. it works fine.
http://www.dynamicdrive.com/dynamicindex1/treeview/[^]

while expanding the branch of tree view(node), i have done a callback function using the toggle method.But the problem, the toggle event called during collapse also. My callback method have to work for expand event only not for collapse event.
Please help on this. How to find out the event name in toggle method..

My code posted here

JavaScript

$(document).ready(function () {
           $("#navigation").treeview({
               persist: "location",
               collapsed: true,
               animated: "medium",
               control: "#treecontrol",
               toggle: function () {
                   var swimlaneId = this.id.replace('listSwimlane', 'ulActivity');
                   $.ajax({
                       type: "POST",
                       url: "Test.aspx?Action=load&SwimlaneID=5",
                       // data: "{}",
                       contentType: "application/json; charset=utf-8",
                       dataType: "html",
                       success: function (msg) {
                           alert(msg);
                           $("#" + swimlaneId).html(msg);
                       },
                       error: function (msg) {
                           alert(msg.d);
                       }
                   });

                   //  $("#" + this.id.replace('listSwimlane', 'ulActivity')).load("Test.aspx?SwimlaneID=1  #divActivities");
               }
           });

Thanks,
Sheik

Posted 9-Jan-13 20:24pm

shek124

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shek124 · Accepted Answer · 2013-01-10T18:22:00

Hi Team,

I have found the solution by using this.className

C#

toggle: function () {

 // if tree branch is expandable only, the below method can work.
 if (this.className.indexOf('collapsable') >= 0) {
 //some code here
}

I'm not sure its a better solution. please let me know, if anyone knows better than this.

Thanks,
Sheik Mubarak S