A simple example of the drag-and-drop function of tree in EXTJS4

Source: Internet
Author: User
This article introduces the Extjs4 of tree in the simple example of drag and drop function, the need for friends can refer to the code as follows://As long as the Treepanel in the configuration of Viewconfig can be, if it is between two trees, two trees must be configured viewconfig:{PL Ugins: {ptype: ' Treeviewdragdrop ', appendonly:true//can only be dragged with non-leaf nodes}, listeners:{//Listener drop:function (node , data,overmodel,dropposition,options) {//ajax's operation synchronizes the data to the background database alert ("Put:" +data.records[0].get (' text ') + "move to:" +overm         Odel.get ("text")); }, Beforedrop:function (node,data,overmodel,dropposition,dropfunction,options) {//if (Overmodel.get ("leaf")) {//Mesh Superscript node//overmodel.set (' leaf ', false); //     }     }    }   }
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