package com.gs3.testGXT.client.tree;

import java.util.List;

import com.gs3.testGXT.client.Keys.FileSystemKey;
import com.sencha.gxt.data.shared.TreeStore.TreeNode;
import com.sencha.gxt.dnd.core.client.DND.Operation;
import com.sencha.gxt.dnd.core.client.DndDropEvent;
import com.sencha.gxt.dnd.core.client.TreeDragSource;
import com.sencha.gxt.widget.core.client.tree.Tree;

public class MyTreeDragSource extends TreeDragSource<FileSystemKey> {
	public MyTreeDragSource(Tree<FileSystemKey, ?> tree) {
		super(tree);
	}

	@Override
	protected void onDragDrop(DndDropEvent event) {
		if (event.getOperation() == Operation.MOVE) {
			@SuppressWarnings("unchecked")
			List<TreeNode<FileSystemKey>> sel = (List<TreeNode<FileSystemKey>>) event.getData();
			for (TreeNode<FileSystemKey> s : sel) {
				if(s.getData().Droppable())
					getWidget().getStore().remove(s.getData());
			}
			super.data = null;
		}
	}
}