禁用JTree节点的3单击“编辑"，但保留键盘键以进行编辑，以在编辑之前保存该节点的旧名称 [英] Disabling 3-Click Edit of a JTree node but keeping keyoard keys to edit for saving the old name of the node prior to edit

问题描述

我希望只能使用 F2 和 ENTER 键编辑节点名称，而不是使用鼠标.我添加了这两行，它们正在工作:

I want to be able to edit the nodename with F2 and ENTER keys only, not with mouse. I added these 2 lines and they are working:

jTree1.getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), "startEditing");
jTree1.getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_F2, 0), "startEditing");

但是如何禁用鼠标编辑?是否有类似以下的方法:jTree1.setToggleClickCount(2);

But how do I disable editing from mouse? Are there any methods like: jTree1.setToggleClickCount(2);

我要这样做的原因是我想保留节点的旧名称，所以我将创建一个侦听器来侦听F2和ENTER并以这种方式保留名称.那有意义吗?有什么想法吗?

The reason I want to do this is that I want to keep the old name of the node, so I'll create a keylistener to listen for F2 and ENTER and keep the names that way. Does that make sense? Any thoughts?

推荐答案

您可以在TreeCellEditor的帮助下用鼠标禁用编辑，请尝试下一个代码:

You can disable editing with mouse with help of TreeCellEditor, try next code:

DefaultTreeCellEditor editor = new DefaultTreeCellEditor(t, (DefaultTreeCellRenderer) t.getCellRenderer()){
    @Override
    public boolean isCellEditable(EventObject event) {
        if(event instanceof MouseEvent){
            return false;
        }
        return super.isCellEditable(event);
    }
};

该编辑器禁止使用MouseEvent进行编辑.

that editor prevents editing with MouseEvent.

将该编辑器设置为您的JTree，下一行:tree.setCellEditor(editor);

Set that editor to your JTree with next line: tree.setCellEditor(editor);

其中tree是您的JTree.

这篇关于禁用JTree节点的3单击“编辑"，但保留键盘键以进行编辑，以在编辑之前保存该节点的旧名称的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！