允许使用数组的动态拖放权限
我在 gwt-ext 中创建了两棵树，一棵包含可拖动的节点的值，另一棵包含可放置的节点。问题是我无法仅设置数组中提到的一组特定叶子，从一棵树拖动到另一棵树上，而无法拖动不在数组中的叶子。我已经在树上启用了拖放，然后手动允许叶子禁用拖动，但它不起作用。尝试使用 setallowdrag() 方法并使用 setTreeAttribute("allowDrag",false) 但不知道为什么它不起作用。请帮忙。
TreeNode n22=treePanel.getNodeById("ynode-121");
n22.setTreeAttribute("allowDrag","false");
n22.setAllowDrag(false);
I have created two trees in gwt-ext one contains the values of nodes that can be dragged and other the nodes which can be dropped on. The problem being i am not able to set only a particular set of leaves mentioned in the array, from a tree to be dragged on other tree while the leaves which are not in the array cannot be dragged. I have enabled drag drop on the tree and then manually allow a leaf to disable drag but its not working. Tried it using the setallowdrag() method and also using setTreeAttribute("allowDrag",false) but don't know why it just doesn't work. Please help.
TreeNode n22=treePanel.getNodeById("ynode-121");
n22.setTreeAttribute("allowDrag","false");
n22.setAllowDrag(false);
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