我正在使用 MouseAdapter 检查 JTree 节点上的双击。我想根据所选节点的级别执行一些不同的操作。如何检查节点的级别?这是监听器的代码:
private MouseAdapter getMouseAdapter(JTree jtree) {
final JTree tree = jtree;
return new MouseAdapter() {
@Override
public void mousePressed(MouseEvent e) {
TreePath selPath = tree.getPathForLocation(e.getX(), e.getY());
if (selPath != null) {
if (e.getClickCount() == 2) {
String selectedNode = selPath.getLastPathComponent().toString();
// >>>>> check on which level of the tree this node is
}
}
}};
}
最佳答案
您可以通过首先调用 getPath() 检查从 selPath
到树根的路径长度selPath
的方法并计算其长度。
Object[] array = selPath.getPath();
int depth = array.length;
关于java - JTree : Check the level of selection,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/8662102/