MyTreeCellEditor.java 文件源码

@Override
public Component getTreeCellEditorComponent(JTree tree, Object value, boolean isSelected, boolean expanded, boolean leaf, int row) {
    MyTreeNodeObject myTreeNodeObject = (MyTreeNodeObject) ((DefaultMutableTreeNode) value).getUserObject();
    if (myTreeNodeObject.graph == null || myTreeNodeObject.graph.getId().equals("Main")) {
        Toolkit.getDefaultToolkit().beep();
        return renderer.getTreeCellRendererComponent(tree, value, isSelected, expanded, leaf, row, true); // hasFocus == true
    }
    return super.getTreeCellEditorComponent(tree, value, isSelected, expanded, leaf, row);
}