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copied!<p>ExtJS has a nice plugin for this: <a href="http://docs.sencha.com/extjs/4.2.2/#!/api/Ext.tree.plugin.TreeViewDragDrop" rel="nofollow">http://docs.sencha.com/extjs/4.2.2/#!/api/Ext.tree.plugin.TreeViewDragDrop</a> Read the configs, they're quite important and useful</p> <p>Just put this in the code of your treepanel:</p> <pre><code> viewConfig: { plugins: { ptype: 'treeviewdragdrop' } }, </code></pre> <p>Also, here is a working fiddle I just put some random data in the store, didn't want to format all of yours</p> <pre><code>Ext.onReady(function () { Ext.define('Task', { extend: 'Ext.data.Model', fields: [ { name: 'task', type: 'string' }, { name: 'assignedto', type: 'string' } ] }); var store = Ext.create('Ext.data.TreeStore', { model: 'Task', folderSort: false, root: { expanded: true, children: [ { task: 'Child 1', assignedto: 'me', leaf: true }, { task: 'Child 2', assignedto: 'me', expanded: true, children: [ { task: 'GrandChild 1', assignedto: 'you', leaf: true } ] }, { task: 'Child 3', assignedto: 'me', expanded: true, children: [ { task: 'GrandChild 2', assignedto: 'you', leaf: true } ] }, ] } }); var tree = Ext.create('Ext.tree.Panel', { viewConfig: { plugins: { ptype: 'treeviewdragdrop' } }, title: 'Core Team Projects', width: 500, height: 300, renderTo: Ext.getBody(), collapsible: true, useArrows: true, rootVisible: false, store: store, multiSelect: true, singleExpand: true, columns: [{ xtype: 'treecolumn', text: 'Task', flex: 2, sortable: true, dataIndex: 'task' }, { text: 'Assigned To', flex: 1, dataIndex: 'assignedto', sortable: true }] }); }); </code></pre>

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