swing文本框双击可编辑

1我想实现如下效果:

文本框默认是置灰的,不可编辑,双击变为可编辑,按Esc又恢复为不可编辑.

实现:

//双击变为可以编辑
		portTextField.addMouseListener(new MouseAdapter() {
			@Override
			public void mouseClicked(MouseEvent e) {
				if (e.getClickCount() == 2) {
					if (!portTextField.isEditable()) {
						portTextField.setEditable(true);
						DialogUtil.focusSelectAllTF(portTextField);
					}
//					System.out.println("Double Click!");
				}
				super.mouseClicked(e);
			}

		});
		DialogUtil.addKeyListener22(portTextField);

DialogUtil.addKeyListener22方法实现:

/***
	 * 按Alt+Enter时,用户名文本框聚焦,<br>按Esc 文本框失去焦点
	 * @param tf :密码输入框
	 */
	public static void addKeyListener22(final JTextComponent tf,final JTextComponent tf2){
		tf.addKeyListener(new KeyListener() {
			
			@Override
			public void keyTyped(KeyEvent e) {
			}
			
			@Override
			public void keyReleased(KeyEvent e) {
			}
			
			@Override
			public void keyPressed(KeyEvent e) {
				if ((e.getKeyCode() == KeyEvent.VK_ESCAPE)
						) {
					System.out.println("esc");
					tf.setEditable(false);
				}else if ((e.getKeyCode() == KeyEvent.VK_ENTER)
						&& (((InputEvent) e )
								.isAltDown())) {
					if(!ValueWidget.isNullOrEmpty(tf2)){
						if (!tf2.isEditable()) {
							tf2.setEditable(true);
						}
						tf2.requestFocus();
						tf2.selectAll();
					}
				}
			}
		});
	}
	/***
	 * 按Esc 文本框失去焦点
	 * @param tf
	 */
	public static void addKeyListener22(final JTextComponent tf){
		addKeyListener22(tf, null);
	}

 双击前:

 

双击后:

 

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转载自hw1287789687.iteye.com/blog/2221256