/** configure key handler */
private void configureKeyHandler() {
GraphicalViewer viewer = getGraphicalViewer();
keyHandler = new KeyHandler();
// keyHandler.put(KeyStroke.getPressed('a', 0x61, SWT.COMMAND),
// getActionRegistry().getAction(ActionFactory.SELECT_ALL.getId()));
keyHandler.put(
KeyStroke.getPressed('s', 0x61, SWT.CTRL),
getActionRegistry().getAction(ActionFactory.SAVE.getId()));
keyHandler.put(
KeyStroke.getPressed('z', 0x7a, SWT.CTRL),
getActionRegistry().getAction(ActionFactory.UNDO.getId()));
keyHandler.put(
KeyStroke.getPressed('z', 0x7a, SWT.CTRL | SWT.SHIFT),
getActionRegistry().getAction(ActionFactory.REDO.getId()));
keyHandler.put(
KeyStroke.getPressed('a', 0x61, SWT.CTRL),
getActionRegistry().getAction(ActionFactory.SELECT_ALL.getId()));
keyHandler.put(
KeyStroke.getPressed(SWT.DEL, 127, 0),
getActionRegistry().getAction(ActionFactory.DELETE.getId()));
keyHandler.put(
KeyStroke.getPressed('+', SWT.KEYPAD_ADD, 0),
getActionRegistry().getAction(GEFActionConstants.ZOOM_IN));
keyHandler.put(
KeyStroke.getPressed('-', SWT.KEYPAD_SUBTRACT, 0),
getActionRegistry().getAction(GEFActionConstants.ZOOM_IN));
viewer.setProperty(
MouseWheelHandler.KeyGenerator.getKey(SWT.NONE), MouseWheelZoomHandler.SINGLETON);
viewer.setKeyHandler(keyHandler);
}
/**
* Returns the KeyHandler with common bindings for both the Outline and Graphical Views. For
* example, delete is a common action.
*/
protected KeyHandler getCommonKeyHandler() {
if (sharedKeyHandler == null) {
sharedKeyHandler = new KeyHandler();
sharedKeyHandler.put(
KeyStroke.getPressed(SWT.F2, 0),
getActionRegistry().getAction(GEFActionConstants.DIRECT_EDIT));
}
return sharedKeyHandler;
}
/** To handle 2 key handlers (otherwise there would be an action loop)</br> {@inheritDoc} */
@Override
public void put(KeyStroke keystroke, IAction action) {
this.alternativeKeyHandler.put(keystroke, action);
super.put(keystroke, action);
}