javax.swing.text.Keymap#addActionForKeyStroke ( )源码实例Demo

protected void setUp () throws Exception {
    tc = new TopComponent ();
    tc.requestActive();
    
    MockServices.setServices( MyKeymap.class );
    Keymap km = Lookup.getDefault().lookup(Keymap.class);
    km.addActionForKeyStroke( KEY_STROKE, myGlobalAction );

    MyContextAwareAction.globalActionWasPerformed = false;
    MyContextAwareAction.contextActionWasPerformed = false;
}
 

/** Loads key to action mappings into this keymap
* @param bindings array of bindings
* @param actions map of [action_name, action] pairs
*/
public void load(JTextComponent.KeyBinding[] bindings, Map actions) {
    // now create bindings in keymap(s)
    for (int i = 0; i < bindings.length; i++) {
        Action a = (Action)actions.get(bindings[i].actionName);
        if (a != null) {
            boolean added = false;
            if (bindings[i] instanceof MultiKeyBinding) {
                MultiKeyBinding mb = (MultiKeyBinding)bindings[i];
                if (mb.keys != null) {
                    Keymap cur = delegate;
                    for (int j = 0; j < mb.keys.length; j++) {
                        if (j == mb.keys.length - 1) { // last keystroke in sequence
                            cur.addActionForKeyStroke(mb.keys[j], a);
                        } else { // not the last keystroke
                            Action sca = cur.getAction(mb.keys[j]);
                            if (!(sca instanceof KeymapSetContextAction)) {
                                sca = new KeymapSetContextAction(JTextComponent.addKeymap(null, null));
                                cur.addActionForKeyStroke(mb.keys[j], sca);
                            }
                            cur = ((KeymapSetContextAction)sca).contextKeymap;
                        }
                    }
                    added = true;
                }
            }
            if (!added) {
                if (bindings[i].key != null) {
                    delegate.addActionForKeyStroke(bindings[i].key, a);
                } else { // key is null -> set default action
                    setDefaultAction(a);
                }
            }
        }
    }
}
 

/**
 * Add keyboard actions to this control using the Configuration we have
 * @param map
 * @param prefix 
 */
public void addSyntaxActions(Keymap map, String prefix) {
    // look at all keys that either start with prefix.Action, or
    // that start with Action.

    Pattern splitter = CONFIG.getValueSeparator(prefix);
    Configuration actionsConf = CONFIG.subConfig(prefix, "Action.");

    for (String actionName : actionsConf.stringPropertyNames()) {
        String[] values = splitter.split(
                actionsConf.getProperty(actionName));
        String actionClass = values[0];
        SyntaxAction action = editorActions.get(actionClass);
        if (action == null) {
            action = createAction(actionClass);
            action.config(CONFIG, prefix, actionName);
        }
        String keyStrokeString = values[1];
        KeyStroke ks = KeyStroke.getKeyStroke(keyStrokeString);
        // KeyEvent.VK_QUOTEDBL
        if (ks == null) {
            throw new IllegalArgumentException("Invalid KeyStroke: " +
                    keyStrokeString);
        }
        TextAction ta = action.getAction(actionName);
        if(ta == null) {
            throw new IllegalArgumentException("Invalid ActionName: " +
                    actionName);
        }
        map.addActionForKeyStroke(ks, ta);
    }
}
 

public void initKeyMap(JTextArea text) {
	Keymap keyMap = JTextArea.addKeymap("EnterSubmit",  text.getKeymap());
	KeyStroke key = KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0);
	keyMap.addActionForKeyStroke(key, new SubmitAction());
	text.setKeymap(keyMap);
}
 

public void initKeyMap(JTextArea text) {
	Keymap keyMap = JTextArea.addKeymap("EnterSubmit",  text.getKeymap());
	KeyStroke key = KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0);
	keyMap.addActionForKeyStroke(key, new SubmitAction());
	text.setKeymap(keyMap);
}
 

public void initKeyMap(JTextArea text) {
	Keymap keyMap = JTextArea.addKeymap("EnterSubmit",  text.getKeymap());
	KeyStroke key = KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0);
	keyMap.addActionForKeyStroke(key, new RefreshAction());
	text.setKeymap(keyMap);
}