/*******************************************************************************
* Mission Control Technologies, Copyright (c) 2009-2012, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* The MCT platform is licensed 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.
*
* MCT includes source code licensed under additional open source licenses. See
* the MCT Open Source Licenses file included with this distribution or the About
* MCT Licenses dialog available at runtime from the MCT Help menu for additional
* information.
*******************************************************************************/
package gov.nasa.arc.mct.gui.actions;
import gov.nasa.arc.mct.components.AbstractComponent;
import gov.nasa.arc.mct.defaults.view.MCTHousingViewManifestation;
import gov.nasa.arc.mct.gui.ActionContext;
import gov.nasa.arc.mct.gui.GroupAction;
import gov.nasa.arc.mct.gui.View;
import gov.nasa.arc.mct.gui.dialogs.ViewModifiedDialog;
import gov.nasa.arc.mct.gui.housing.MCTHousing;
import gov.nasa.arc.mct.gui.housing.MCTStandardHousing;
import gov.nasa.arc.mct.gui.impl.ActionContextImpl;
import gov.nasa.arc.mct.platform.spi.PlatformAccess;
import gov.nasa.arc.mct.services.component.ViewInfo;
import gov.nasa.arc.mct.services.component.ViewType;
import java.awt.event.ActionEvent;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.swing.Action;
/**
* This class implements actions allowing a component to change housing in a window.
*
* @author nshi
*
*/
@SuppressWarnings("serial")
public class ChangeHousingViewAction extends GroupAction {
private Map<AbstractComponent, List<? extends RadioAction>> componentActionsMap = new HashMap<AbstractComponent, List<? extends RadioAction>>();
public ChangeHousingViewAction() {
this("Change Housing View");
}
protected ChangeHousingViewAction(String name) {
super(name);
}
@Override
public void actionPerformed(ActionEvent e) {
}
@Override
public boolean canHandle(ActionContext context) {
ActionContextImpl actionContext = (ActionContextImpl) context;
MCTHousing targetHousing = actionContext.getTargetHousing();
if (targetHousing == null)
return false;
AbstractComponent rootComponent = targetHousing.getWindowComponent();
if (rootComponent == null)
return false;
if (PlatformAccess.getPlatform().getRootComponent() == rootComponent)
return false;
List<? extends RadioAction> actions = componentActionsMap.get(rootComponent);
if (actions == null) {
List<ChangeSpecificViewAction> changeViewActions = new ArrayList<ChangeSpecificViewAction>();
Set<ViewInfo> viewInfos = new LinkedHashSet<ViewInfo>();
viewInfos.addAll(rootComponent.getViewInfos(ViewType.CENTER));
viewInfos.addAll(rootComponent.getViewInfos(ViewType.OBJECT));
for (ViewInfo viewInfo : viewInfos) {
changeViewActions.add(new ChangeSpecificViewAction(viewInfo, actionContext));
}
setActions(changeViewActions.toArray(new RadioAction[changeViewActions.size()]));
componentActionsMap.put(rootComponent, changeViewActions);
}
else {
for (ChangeSpecificViewAction action : actions.toArray(new ChangeSpecificViewAction[actions.size()]))
action.setContext(actionContext);
setActions(actions.toArray(new RadioAction[actions.size()]));
}
return true;
}
@Override
public boolean isEnabled() {
return false;
}
private class ChangeSpecificViewAction extends GroupAction.RadioAction {
private static final String PLUS = " Plus";
private ActionContextImpl context;
private ViewInfo viewInfo;
public ChangeSpecificViewAction(ViewInfo viewInfo, ActionContextImpl context) {
this.context = context;
this.viewInfo = viewInfo;
putValue(Action.NAME, this.viewInfo.getViewName() + PLUS);
}
@Override
public boolean isEnabled() {
return true;
}
private boolean commitOrAbortPendingChanges() {
MCTHousingViewManifestation housingView = (MCTHousingViewManifestation) context.getWindowManifestation();
View view = housingView.getContentArea().getHousedViewManifestation();
return new ViewModifiedDialog(view).commitOrAbortPendingChanges();
}
@Override
public void actionPerformed(ActionEvent event) {
MCTStandardHousing housing = (MCTStandardHousing) context.getTargetHousing();
AbstractComponent c = housing.getContentArea().getHousedViewManifestation().getManifestedComponent();
if (!c.isStale() && c.isDirty()) {
if (!commitOrAbortPendingChanges()) {
return; // Abandon event if user aborts.
}
}
View currentCanvasViewManifestation = housing.getContentArea().getHousedViewManifestation();
if (!viewInfo.equals(currentCanvasViewManifestation.getInfo())) {
// get a component from the persistence provider to ensure the component always reflects the most recent updates
// this also ensures that when changing a view any non saved changes will be lost
AbstractComponent ac = PlatformAccess.getPlatform().getPersistenceProvider().getComponent(currentCanvasViewManifestation.getManifestedComponent().getComponentId());
View v = viewInfo.createView(ac);
housing.getContentArea().setOwnerComponentCanvasManifestation(v);
housing.setTitle(v.getManifestedComponent().getDisplayName()
+ " - " + viewInfo.getViewName() + PLUS);
housing.getContentArea().getHousedViewManifestation().requestFocusInWindow();
}
}
@Override
public boolean isSelected() {
putValue(Action.SELECTED_KEY, true);
MCTStandardHousing housing = (MCTStandardHousing) context.getTargetHousing();
View currentCanvasViewManifestation = housing.getContentArea().getHousedViewManifestation();
return viewInfo.getType().equals(currentCanvasViewManifestation.getInfo().getType());
}
@Override
public boolean isMixed() {
return false;
}
public void setContext(ActionContextImpl context) {
this.context = context;
}
}
}