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swing 文本框快捷键

2016-05-11 1318

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简介：

如何给文本框增加快捷键呢?

Ctrl+Z :恢复(undo)

Ctrl+C :拷贝

Ctrl+X :剪切

Ctrl+V :黏贴

Ctrl+Y :重做

Ctrl+R :使...只读

Ctrl+E :使...可编辑

Ctrl+D :清空文本框

文本框快捷键

   Java代码  
    
  
    public void addActionMap() {  
        getActionMap().put("Undo", new AbstractAction("Undo11") {  
            private static final long serialVersionUID = 2434402629308759912L;  
  
            public void actionPerformed(ActionEvent evt) {  
                try {  
                    boolean b = undo.canUndo();  
                    // System.out.println("whether undo : "+b);  
                    if (b) {  
                        undo.undo();  
                    }  
                } catch (CannotUndoException e) {  
                }  
            }  
        });  
        getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo");  
  
        getActionMap().put("Redo", new AbstractAction("Redo1111") {  
            private static final long serialVersionUID = 5348330289578410517L;  
  
            public void actionPerformed(ActionEvent evt) {  
                try {  
                    if (undo.canRedo()) {  
                        undo.redo();  
                    }  
                } catch (CannotRedoException e) {  
                }  
            }  
        });  
        getInputMap().put(KeyStroke.getKeyStroke("control R"), "Redo");  
  
        getActionMap().put("Copy", new AbstractAction("Copy111") {  
            private static final long serialVersionUID = -5151480809625853288L;  
  
            public void actionPerformed(ActionEvent evt) {  
                copy();  
            }  
  
        });  
        getInputMap().put(KeyStroke.getKeyStroke("control C"), "Copy");  
  
        getActionMap().put("Cut", new AbstractAction("Cut") {  
  
            private static final long serialVersionUID = 7316612864835857713L;  
  
            public void actionPerformed(ActionEvent evt) {  
                cut();  
            }  
  
        });  
  
        getInputMap().put(KeyStroke.getKeyStroke("control X"), "Cut");  
  
        getActionMap().put("Paste", new AbstractAction("Paste111") {  
            private static final long serialVersionUID = -3548620001691220571L;  
  
            public void actionPerformed(ActionEvent evt) {  
                paste();  
            }  
        });  
  
        getInputMap().put(KeyStroke.getKeyStroke("control V"), "Paste");  
  
        // redo Ctrl + Y  
        getActionMap().put("Redo", new AbstractAction("reDo111") {  
            private static final long serialVersionUID = -3548620001691220571L;  
  
            public void actionPerformed(ActionEvent evt) {  
                if (undo.canRedo()) {  
                    undo.redo();  
                }  
            }  
        });  
  
        getInputMap().put(KeyStroke.getKeyStroke("control Y"), "Redo");  
  
        getActionMap().put("Save", new AbstractAction("save111") {  
            private static final long serialVersionUID = -3548620001691220571L;  
            public void actionPerformed(ActionEvent evt) {  
                dealSave((JTextComponent)evt.getSource());  
            }  
        });  
  
        getInputMap().put(KeyStroke.getKeyStroke("control S"), "Save");  
  
        //按Ctrl+R 使文本框只读,不可编辑  
        getActionMap().put("Readonly", new AbstractAction("Readonly111") {  
            private static final long serialVersionUID = -3548620001691220571L;  
            public void actionPerformed(ActionEvent evt) {  
                JTextComponent tf=(JTextComponent)evt.getSource();  
                if(!ValueWidget.isNullOrEmpty(tf)){  
                    tf.setEditable(false);  
                }  
            }  
        });  
        getInputMap().put(KeyStroke.getKeyStroke("control R"), "Readonly");  
          
        //按Ctrl+E 使文本框可编辑  
        getActionMap().put("Editable", new AbstractAction("Editable111") {  
            private static final long serialVersionUID = -3548620001691220571L;  
            public void actionPerformed(ActionEvent evt) {  
                JTextComponent tf=(JTextComponent)evt.getSource();  
                if(!ValueWidget.isNullOrEmpty(tf)){  
                    tf.setEditable(true);  
                    tf.requestFocus();  
//                  tf.repaint();  
                    tf.updateUI();  
                }  
            }  
        });  
        getInputMap().put(KeyStroke.getKeyStroke("control E"), "Editable");  
          
        //按Ctrl+D 清空文本框  
        getActionMap().put("cleanUp", new AbstractAction("cleanUp111") {  
            private static final long serialVersionUID = -3548620001691220571L;  
            public void actionPerformed(ActionEvent evt) {  
                JTextComponent tf=(JTextComponent)evt.getSource();  
                if(!ValueWidget.isNullOrEmpty(tf)){  
                    tf.setText(SystemHWUtil.EMPTY);  
                    tf.requestFocus();  
                }  
            }  
        });  
        getInputMap().put(KeyStroke.getKeyStroke("control D"), "cleanUp");  
    }  

具体见源代码中的com.swing.component.UndoTextArea

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swing 文本框快捷键

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