package org.freeplane.view.swing.ui;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.JPopupMenu;
import javax.swing.SwingUtilities;
import org.freeplane.core.resources.ResourceController;
import org.freeplane.core.ui.ControllerPopupMenuListener;
import org.freeplane.core.ui.IEditHandler;
import org.freeplane.core.ui.IEditHandler.FirstAction;
import org.freeplane.features.map.NodeModel;
import org.freeplane.features.mode.Controller;
import org.freeplane.features.mode.ModeController;
import org.freeplane.view.swing.map.MainView;
import org.freeplane.view.swing.map.MapView;
import org.freeplane.view.swing.map.NodeView;
/**
* The KeyListener which belongs to the node and cares for Events like C-D
* (Delete Node). It forwards the requests to NodeController.
*/
public class DefaultNodeKeyListener implements KeyListener {
final private IEditHandler editHandler;
public DefaultNodeKeyListener(final IEditHandler editHandler) {
this.editHandler = editHandler;
}
public void keyPressed(final KeyEvent e) {
final boolean checkForScrollMap = e.isShiftDown() && e.isControlDown()&& e.isAltDown();
final MapView mapView = (MapView) Controller.getCurrentController().getMapViewManager().getMapViewComponent();
if (mapView == null || SwingUtilities.isDescendingFrom(mapView, e.getComponent()))
return;
if(checkForScrollMap){
switch (e.getKeyCode()) {
case KeyEvent.VK_UP:
mapView.scrollBy(0, -10);
e.consume();
return;
case KeyEvent.VK_DOWN:
mapView.scrollBy(0, 10);
e.consume();
return;
case KeyEvent.VK_LEFT:
mapView.scrollBy(-10, 0);
e.consume();
return;
case KeyEvent.VK_RIGHT:
mapView.scrollBy(10, 0);
e.consume();
}
return;
}
if ((e.isAltDown() || e.isControlDown() || e.isMetaDown())) {
return;
}
switch (e.getKeyCode()) {
case KeyEvent.VK_ENTER:
case KeyEvent.VK_ESCAPE:
case KeyEvent.VK_SHIFT:
case KeyEvent.VK_DELETE:
case KeyEvent.VK_SPACE:
case KeyEvent.VK_INSERT:
case KeyEvent.VK_TAB:
return;
}
final boolean continious = e.isShiftDown();
switch (e.getKeyCode()) {
case KeyEvent.VK_UP:
if (mapView.selectUp(continious))
e.consume();
return;
case KeyEvent.VK_DOWN:
if (mapView.selectDown(continious))
e.consume();
return;
case KeyEvent.VK_LEFT:
if (mapView.selectLeft(continious))
e.consume();
return;
case KeyEvent.VK_RIGHT:
if (mapView.selectRight(continious))
e.consume();
return;
case KeyEvent.VK_PAGE_UP:
if (mapView.selectPageUp(continious))
e.consume();
return;
case KeyEvent.VK_PAGE_DOWN:
if (mapView.selectPageDown(continious))
e.consume();
return;
case KeyEvent.VK_HOME:
case KeyEvent.VK_END:
case KeyEvent.VK_BACK_SPACE:
if (editHandler != null) {
editHandler.edit(e, FirstAction.EDIT_CURRENT, false);
}
return;
case KeyEvent.VK_CONTEXT_MENU:
final ModeController modeController = Controller.getCurrentModeController();
final NodeModel node = Controller.getCurrentModeController().getMapController().getSelectedNode();
final NodeView nodeView = mapView.getNodeView(node);
final JPopupMenu popupmenu = modeController.getUserInputListenerFactory().getNodePopupMenu();
if (popupmenu != null) {
popupmenu.addHierarchyListener(new ControllerPopupMenuListener());
final MainView mainView = nodeView.getMainView();
popupmenu.show(mainView, mainView.getX(), mainView.getY());
}
}
}
public void keyReleased(final KeyEvent e) {
}
public void keyTyped(final KeyEvent e) {
if ((e.isAltDown() || e.isControlDown() || e.isMetaDown())) {
return;
}
final String keyTypeActionString = ResourceController.getResourceController().getProperty("key_type_action",
FirstAction.EDIT_CURRENT.toString());
final FirstAction keyTypeAction = FirstAction.valueOf(keyTypeActionString);
if (!FirstAction.IGNORE.equals(keyTypeAction)) {
if (! isActionEvent(e)) {
if (editHandler != null) {
editHandler.edit(e, keyTypeAction, false);
}
return;
}
}
}
private boolean isActionEvent(final KeyEvent e) {
return e.isActionKey() || isControlCharacter(e.getKeyChar());
}
private boolean isControlCharacter(char keyChar) {
return keyChar == KeyEvent.CHAR_UNDEFINED || keyChar <= KeyEvent.VK_SPACE|| keyChar == KeyEvent.VK_DELETE;
}
}