/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.isis.viewer.dnd.awt;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import org.apache.log4j.Logger;
import org.apache.isis.core.commons.exceptions.IsisException;
import org.apache.isis.viewer.dnd.drawing.Location;
import org.apache.isis.viewer.dnd.interaction.KeyboardActionImpl;
import org.apache.isis.viewer.dnd.view.FocusManager;
import org.apache.isis.viewer.dnd.view.KeyboardAction;
import org.apache.isis.viewer.dnd.view.View;
public class KeyboardManager {
private static final Logger LOG = Logger.getLogger(KeyboardManager.class);
private final XViewer viewer;
private FocusManager focusManager;
public KeyboardManager(final XViewer viewer) {
this.viewer = viewer;
}
private View getFocus() {
return focusManager == null ? null : focusManager.getFocus();
// View focus = viewer.getFocus();
// return focus == null ? null : focus.getView();
}
/*
* At the moment, as a fudge, the text field is calling its parent's
* keyPressed method for enter presses.
*/
public void pressed(final int keyCode, final int modifiers) {
if (ignoreKey(keyCode)) {
return;
}
LOG.debug("key " + KeyEvent.getKeyModifiersText(modifiers) + " '" + KeyEvent.getKeyText(keyCode) + "' pressed");
final KeyboardAction keyboardAction = new KeyboardActionImpl(keyCode, modifiers);
if (viewer.isOverlayAvailable()) {
viewer.getOverlayView().keyPressed(keyboardAction);
if (!keyboardAction.isConsumed() && keyCode == KeyEvent.VK_F1) {
viewer.openHelp(viewer.getOverlayView());
// help(viewer.getOverlayView());
}
return;
}
final View keyboardFocus = getFocus();
if (keyboardFocus == null) {
// throw new ObjectAdapterRuntimeException("No focus set");
LOG.debug("No focus set");
return;
}
keyboardFocus.keyPressed(keyboardAction);
if (keyboardAction.isConsumed()) {
return;
}
if ((modifiers & InputEvent.SHIFT_MASK) == InputEvent.SHIFT_MASK && keyCode == KeyEvent.VK_F10) {
final Location location = keyboardFocus.getAbsoluteLocation();
location.add(20, 14);
viewer.popupMenu(keyboardFocus, location, true, false, false);
return;
}
// this should really check the modifiers to ensure there are none in
// use.
if (keyCode == KeyEvent.VK_F10) {
final Location location = keyboardFocus.getAbsoluteLocation();
location.add(20, 14);
viewer.popupMenu(keyboardFocus, location, false, false, false);
return;
}
/*
* if(keyCode == KeyEvent.VK_ENTER) { //viewer.firstClick(new
* Click(keyboardFocus, keyboardFocus.getLocation(), modifiers));
* Location location = keyboardFocus.getAbsoluteLocation();
* location.add(1, 1); viewer.secondClick(new Click(keyboardFocus,
* location, modifiers)); //viewer.thirdClick(new Click(keyboardFocus,
* keyboardFocus.getLocation(), modifiers)); return; }
*/
if (keyCode == KeyEvent.VK_F4 && (modifiers & InputEvent.CTRL_MASK) == InputEvent.CTRL_MASK) {
// TODO close window
return;
}
if (keyCode == KeyEvent.VK_DOWN) {
focusManager.focusFirstChildView();
// focusNextSubview(keyboardFocus);
return;
}
if (keyCode == KeyEvent.VK_UP) {
focusManager.focusParentView();
// focusPreviousSubview(keyboardFocus);
return;
}
if (keyCode == KeyEvent.VK_HOME) {
viewer.makeRootFocus();
return;
}
if (keyCode == KeyEvent.VK_RIGHT) {
focusManager.focusNextView();
// focusNextPeerView(keyboardFocus);
return;
}
if (keyCode == KeyEvent.VK_LEFT) {
focusManager.focusPreviousView();
// focusPreviousPeerView(keyboardFocus);
return;
}
int action = 0;
if (keyCode == KeyEvent.VK_F1) {
viewer.openHelp(keyboardFocus);
} else if (keyCode == KeyEvent.VK_TAB) {
action = tab(modifiers);
}
switch (action) {
case KeyboardAction.NEXT_VIEW:
focusManager.focusNextView();
// focusNextSubview(keyboardFocus);
break;
case KeyboardAction.PREVIOUS_VIEW:
focusManager.focusPreviousView();
// focusPreviousSubview(keyboardFocus);
break;
case KeyboardAction.NEXT_WINDOW:
focusManager.focusParentView();
// focusNextRootView(keyboardFocus);
break;
case KeyboardAction.PREVIOUS_WINDOW:
focusManager.focusFirstChildView();
break;
}
}
private boolean ignoreKey(final int keyCode) {
return keyCode == KeyEvent.VK_SHIFT || keyCode == KeyEvent.VK_CONTROL || keyCode == KeyEvent.VK_ALT;
}
private int tab(final int modifiers) {
int action;
if ((modifiers & InputEvent.CTRL_MASK) == InputEvent.CTRL_MASK) {
if ((modifiers & InputEvent.SHIFT_MASK) == InputEvent.SHIFT_MASK) {
action = KeyboardAction.PREVIOUS_WINDOW;
} else {
action = KeyboardAction.NEXT_WINDOW;
}
} else {
if ((modifiers & InputEvent.SHIFT_MASK) == InputEvent.SHIFT_MASK) {
action = KeyboardAction.PREVIOUS_VIEW;
} else {
action = KeyboardAction.NEXT_VIEW;
}
}
return action;
}
public void released(final int keyCode, final int modifiers) {
if (ignoreKey(keyCode)) {
return;
}
LOG.debug("key " + KeyEvent.getKeyText(keyCode) + " released\n");
final View keyboardFocus = getFocus();
if (keyboardFocus != null) {
keyboardFocus.keyReleased(new KeyboardActionImpl(keyCode, modifiers));
}
}
public void typed(final char keyChar) {
LOG.debug("typed '" + keyChar + "'");
if (viewer.isOverlayAvailable()) {
viewer.getOverlayView().keyTyped(new KeyboardActionImpl(keyChar, 0));
return;
}
final View keyboardFocus = getFocus();
if (keyboardFocus != null) {
if (!Character.isISOControl(keyChar)) {
keyboardFocus.keyTyped(new KeyboardActionImpl(keyChar, 0));
}
}
}
public FocusManager getFocusManager() {
return focusManager;
}
public void setFocusManager(final FocusManager focusManager) {
if (focusManager == null) {
throw new IsisException("No focus manager set up");
}
this.focusManager = focusManager;
}
}