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The source code
/*
* Sun Public License Notice
*
* The contents of this file are subject to the Sun Public License
* Version 1.0 (the "License"). You may not use this file except in
* compliance with the License. A copy of the License is available at
* http://www.sun.com/
*
* The Original Code is NetBeans. The Initial Developer of the Original
* Code is Sun Microsystems, Inc. Portions Copyright 1997-2003 Sun
* Microsystems, Inc. All Rights Reserved.
*/
package org.netbeans.core.windows.actions;
import org.netbeans.core.windows.Constants;
import org.netbeans.core.windows.ModeImpl;
import org.netbeans.core.windows.WindowManagerImpl;
import org.openide.awt.JMenuPlus;
import org.openide.util.NbBundle;
import org.openide.util.WeakListeners;
import org.openide.util.actions.Presenter;
import org.openide.windows.TopComponent;
import org.openide.windows.WindowManager;
import javax.swing.*;
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.Iterator;
import java.util.Set;
/**
* Action which allows to change layout of windows.
*
* @author Peter Zavadsky
*/
public class AttachWindowAction extends AbstractAction
implements Presenter.Menu {
// For this class only.
private static final String PROP_ACTION_CHANGED = "actionChanged"; // NOI18N
private final PropertyChangeListener propListener;
public AttachWindowAction() {
propListener = new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent evt) {
String propName = evt.getPropertyName();
if(TopComponent.Registry.PROP_ACTIVATED.equals(propName)
|| WindowManager.PROP_MODES.equals(propName)
|| WindowManagerImpl.PROP_EDITOR_AREA_STATE.equals(propName)) {
updateState();
}
}
};
TopComponent.Registry registry = TopComponent.getRegistry();
registry.addPropertyChangeListener(WeakListeners.propertyChange(propListener, registry));
WindowManagerImpl.getInstance().addPropertyChangeListener(
WeakListeners.propertyChange(propListener, WindowManagerImpl.getInstance()));
updateState();
}
public void actionPerformed(ActionEvent evt) {}
private void updateState() {
TopComponent active = TopComponent.getRegistry().getActivated();
Object param = active == null ? "" : active.getName(); // NOI18N
putValue(Action.NAME, NbBundle.getMessage(MaximizeWindowAction.class, "CTL_AttachWindowAction", param));
// XXX In separated state, the action should be present,
// when achieved that, remove this kind of code.
if(WindowManagerImpl.getInstance().getEditorAreaState() == Constants.EDITOR_AREA_SEPARATED) {
setEnabled(false);
} else {
setEnabled(active != null);
}
// So the presenter knows when to update itself.
firePropertyChange(PROP_ACTION_CHANGED, null, null);
}
/** Implements Presenter.Menu . */
public JMenuItem getMenuPresenter() {
JMenuItem mi = new LazyPopup(this);
org.openide.awt.Actions.connect(mi, this, false);
return mi;
}
/** Menu item which will create its items lazilly when the popup will becomming visible.
* Performance savings.*/
private static class LazyPopup extends JMenuPlus implements PropertyChangeListener {
/** Indicates whether menu items were created. */
private boolean created = false;
/** Constructor. */
public LazyPopup(Action action) {
setText((String)action.getValue(Action.NAME));
action.addPropertyChangeListener(WeakListeners.propertyChange(this, action));
}
/** Gets popup menu. Overrides superclass. Adds lazy menu items creation. */
public JPopupMenu getPopupMenu() {
if(!created) {
createMenuItems();
}
return super.getPopupMenu();
}
/** Creates items when actually needed. */
private void createMenuItems() {
created = true;
removeAll();
ModeImpl editorMode = (ModeImpl)WindowManagerImpl.getInstance().findMode("editor"); // NOI18N
if(editorMode != null) {
add(new ModeMenu(editorMode, NbBundle.getMessage(AttachWindowAction.class, "CTL_Documents"), true));
add(new JSeparator());
}
Set modeSet = WindowManagerImpl.getInstance().getModes();
for(Iterator it = modeSet.iterator(); it.hasNext(); ) {
ModeImpl mode = (ModeImpl)it.next();
if("editor".equals(mode.getName())) { // NOI18N
continue;
}
if(!mode.getOpenedTopComponents().isEmpty()) {
TopComponent tc = mode.getSelectedTopComponent();
if(tc != null) {
String name = tc.getName();
add(new ModeMenu(mode, name == null ? "null" : name, false)); // NOI18N
}
}
}
}
/** Implements PropertyChangeListener . */
public void propertyChange(PropertyChangeEvent evt) {
if(Action.NAME.equals(evt.getPropertyName())) {
setText((String)evt.getNewValue());
} else if(PROP_ACTION_CHANGED.equals(evt.getPropertyName())) { // NOI18N
created = false;
}
}
} // End of class LazyPopup.
/** Sub menu for each mode. */
private static class ModeMenu extends JMenu {
public ModeMenu(ModeImpl mode, String name, boolean editor) {
super(name);
TopComponent active = TopComponent.getRegistry().getActivated();
if(mode.canContain(active)) {
if(!editor) {
add(new AttachAction(mode, null));
add(new JSeparator());
}
add(new AttachAction(mode, Constants.TOP));
add(new AttachAction(mode, Constants.LEFT));
add(new AttachAction(mode, Constants.BOTTOM));
add(new AttachAction(mode, Constants.RIGHT));
} else {
setEnabled(false);
}
}
} // End of ModeMenu class.
/** Action which acutally performs the attaching of the component. */
private static class AttachAction extends AbstractAction {
private final ModeImpl mode;
private final String side;
public AttachAction(ModeImpl mode, String side) {
this.mode = mode;
this.side = side;
String key;
if(side == null) {
key = "CTL_SideAsLastTab"; // NOI18N
TopComponent active = TopComponent.getRegistry().getActivated();
if(mode.getOpenedTopComponents().contains(active)) {
setEnabled(false);
}
} else if(side == Constants.TOP) {
key = "CTL_SideTop"; // NOI18N
} else if(side == Constants.LEFT) {
key = "CTL_SideLeft"; // NOI18N
} else if(side == Constants.BOTTOM) {
key = "CTL_SideBottom"; // NOI18N
} else if(side == Constants.RIGHT) {
key = "CTL_SideRight"; // NOI18N
} else {
return;
}
putValue(Action.NAME, NbBundle.getMessage(AttachWindowAction.class, key));
}
public void actionPerformed(ActionEvent evt) {
WindowManagerImpl wm = WindowManagerImpl.getInstance();
ModeImpl activeMode = wm.getActiveMode();
if(activeMode == null) {
return;
}
TopComponent selected = activeMode.getSelectedTopComponent();
if(selected == null || !mode.canContain(selected)) {
return;
}
if(side == null) {
mode.dockInto(selected);
selected.open();
selected.requestActive();
} else {
wm.attachTopComponentToSide(selected, mode, side);
}
}
} // End of class AttachAction.
}
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