/*******************************************************************************
* 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.core.roles;
import gov.nasa.arc.mct.components.AbstractComponent;
import gov.nasa.arc.mct.gui.OptionBox;
import gov.nasa.arc.mct.gui.View;
import gov.nasa.arc.mct.platform.core.access.PlatformAccess;
import gov.nasa.arc.mct.platform.spi.PersistenceProvider;
import gov.nasa.arc.mct.policy.ExecutionResult;
import gov.nasa.arc.mct.policy.PolicyContext;
import gov.nasa.arc.mct.policy.PolicyInfo;
import gov.nasa.arc.mct.services.component.ViewInfo;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Font;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.dnd.DropTarget;
import java.awt.dnd.DropTargetDropEvent;
import java.io.IOException;
import java.text.DateFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.List;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.border.EmptyBorder;
@SuppressWarnings("serial")
public class DropboxCanvasView extends View {
private final JPanel innerContentPanel;
private final JLabel statusMessage = new JLabel();
public DropboxCanvasView(AbstractComponent ac, ViewInfo vi) {
super(ac,vi);
setLayout(new BorderLayout());
innerContentPanel = new JPanel();
innerContentPanel.setDropTarget(new CanvasViewRoleDropTarget());
innerContentPanel.setBackground(UIManager.getColor("background"));
innerContentPanel.setBorder(new EmptyBorder(6, 6, 6, 6));
innerContentPanel.add(statusMessage, BorderLayout.CENTER);
statusMessage.setFont(innerContentPanel.getFont().deriveFont(Font.BOLD));
add(innerContentPanel);
}
private final class CanvasViewRoleDropTarget extends DropTarget {
public void actionPerformed(CanvasViewDropActionEvent event) {
final Container container = event.getContainer();
Collection<AbstractComponent> sourceComponents = event.getSources();
AbstractComponent targetComponent = event.getTarget();
// This is a composing operation
PolicyContext context = new PolicyContext();
context.setProperty(PolicyContext.PropertyName.TARGET_COMPONENT.getName(), targetComponent);
context.setProperty(PolicyContext.PropertyName.SOURCE_COMPONENTS.getName(), sourceComponents);
context.setProperty(PolicyContext.PropertyName.ACTION.getName(), Character.valueOf('w'));
context.setProperty(PolicyContext.PropertyName.VIEW_MANIFESTATION_PROVIDER.getName(), event.getTargetManifestation());
final ExecutionResult result = PlatformAccess.getPlatform().getPolicyManager().execute(PolicyInfo.CategoryType.COMPOSITION_POLICY_CATEGORY.getKey(), context);
if (result.getStatus()) {
// Persist
PersistenceProvider persistenceProvider = PlatformAccess.getPlatform().getPersistenceProvider();
boolean successfulAction = false;
try {
persistenceProvider.startRelatedOperations();
targetComponent.addDelegateComponents(sourceComponents);
targetComponent.save();
successfulAction = true;
} finally {
persistenceProvider.completeRelatedOperations(successfulAction);
}
if (successfulAction) {
if (event.getTargetManifestation() instanceof DropboxCanvasView) {
StringBuilder sentObjects = new StringBuilder();
for (AbstractComponent sourceComponent : sourceComponents)
sentObjects.append("\"" + sourceComponent.getExtendedDisplayName() + "\" ");
DropboxCanvasView dropboxManifestation = (DropboxCanvasView) event.getTargetManifestation();
dropboxManifestation.statusMessage.setText((sourceComponents.size() == 0) ? "No objects sent." :
"Accepted at " + DateFormat.getInstance().format(new Date()) +": "+ sentObjects.toString());
dropboxManifestation.revalidate();
}
// Pull tarmanifestInfoget housing window to front.
event.getHousingWindow().toFront();
}
} else {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
OptionBox.showMessageDialog(container, result.getMessage(), "Composition Error - ", OptionBox.ERROR_MESSAGE);
}
});
}
}
private Collection<AbstractComponent> getComponents(View[] views) {
List<AbstractComponent> components = new ArrayList<AbstractComponent>();
for (View v:views) {
AbstractComponent component = v.getManifestedComponent();
components.add(component);
}
return components;
}
@Override
public synchronized void drop(DropTargetDropEvent dtde) {
Transferable data = dtde.getTransferable();
try {
if (!data.isDataFlavorSupported(View.DATA_FLAVOR)) {
dtde.rejectDrop();
return;
}
View[] views = (View[]) data.getTransferData(View.DATA_FLAVOR);
AbstractComponent manifestedComponent = getManifestedComponent();
if (manifestedComponent != null) {
DropboxCanvasView.this.requestFocusInWindow();
CanvasViewDropActionEvent event = new CanvasViewDropActionEvent(innerContentPanel,
SwingUtilities.getWindowAncestor(DropboxCanvasView.this),
manifestedComponent, getComponents(views), dtde.getLocation(),
DropboxCanvasView.this);
actionPerformed(event);
}
} catch (UnsupportedFlavorException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}