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/*****************************************************************************
* Copyright (c) 2009, 2014 CEA LIST and others.
*
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Yann Tanguy (CEA LIST) yann.tanguy@cea.fr - Initial API and implementation
* Christian W. Damus (CEA) - bug 410346
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.composite.custom.edit.command;
import java.util.ArrayList;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.window.Window;
import org.eclipse.papyrus.extensionpoints.editors.Activator;
import org.eclipse.papyrus.extensionpoints.editors.configuration.IDirectEditorConfiguration;
import org.eclipse.papyrus.extensionpoints.editors.ui.ExtendedDirectEditionDialog;
import org.eclipse.papyrus.extensionpoints.editors.utils.DirectEditorsUtil;
import org.eclipse.papyrus.extensionpoints.editors.utils.IDirectEditorsIds;
import org.eclipse.papyrus.uml.diagram.composite.custom.messages.Messages;
import org.eclipse.papyrus.uml.diagram.composite.custom.ui.InformationItemElementTreeSelectionDialog;
import org.eclipse.papyrus.uml.diagram.composite.custom.ui.InformationItemValidator;
import org.eclipse.papyrus.uml.diagram.composite.custom.ui.NameLabelValidator;
import org.eclipse.papyrus.uml.diagram.composite.providers.ElementInitializers;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
import org.eclipse.uml2.uml.Classifier;
import org.eclipse.uml2.uml.InformationFlow;
import org.eclipse.uml2.uml.InformationItem;
import org.eclipse.uml2.uml.UMLFactory;
/**
* <pre>
* This class provides a custom creation command for InformationFlow
* InformationFlow are references toward any {@link InformationItem} in the model
* </pre>
*/
public class InformationFlowCreateCommand extends org.eclipse.papyrus.uml.diagram.composite.edit.commands.InformationFlowCreateCommand {
public InformationFlowCreateCommand(CreateRelationshipRequest request, EObject source, EObject target) {
super(request, source, target);
}
/**
* <pre>
* The method executes the creation :
* - opens a selection dialog to choose {@link InformationItem} or {@link Classifier} reference as a convoyed Classifier
* by the {@link InformationFlow} type
* - create the InformationFlow between the source and the target
*
* {@inheritDoc}
* </pre>
*/
@Override
protected CommandResult doExecuteWithResult(final IProgressMonitor monitor, final IAdaptable info) throws ExecutionException {
// Create and open the selection dialog
ComposedAdapterFactory adapterFactory = new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE);
Shell currentShell = new Shell(Display.getCurrent(), SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
InformationItemElementTreeSelectionDialog dialog = new InformationItemElementTreeSelectionDialog(currentShell, new AdapterFactoryLabelProvider(adapterFactory), new AdapterFactoryContentProvider(adapterFactory));
try {
// Set dialog parameters
dialog.setTitle(Messages.InformationFlowSelectionDialog_Title);
dialog.setMessage(Messages.InformationFlowSelectionDialog_Message);
dialog.setAllowMultiple(true);
dialog.setHelpAvailable(false);
dialog.setInput(getSource().getModel());
dialog.setValidator(new InformationItemValidator());
ArrayList<Classifier> initialSelection = new ArrayList<Classifier>();
// here the dialog.getReturnCode is IDialogConstants.OK_ID
while(dialog.open() != IDialogConstants.CANCEL_ID) {
/*
* If classifiers have been selected, complete command execution and write the selection
* in the conveyed:Classifief Association
*/
if(dialog.getReturnCode() == ElementTreeSelectionDialog.OK) {
Object[] conveyedClassified = dialog.getResult();
InformationFlow newInformationFlow = UMLFactory.eINSTANCE.createInformationFlow();
getContainer().getPackagedElements().add(newInformationFlow);
newInformationFlow.getInformationSources().add(getSource());
newInformationFlow.getInformationTargets().add(getTarget());
// add the classifier in the list of conveyed Classifier
for(int i = 0; i < conveyedClassified.length; i++) {
newInformationFlow.getConveyeds().add((Classifier)conveyedClassified[i]);
}
ElementInitializers.getInstance().init_InformationFlow_4021(newInformationFlow);
((CreateElementRequest)getRequest()).setNewElement(newInformationFlow);
return CommandResult.newOKCommandResult(newInformationFlow);
} else if(dialog.getReturnCode() == InformationItemElementTreeSelectionDialog.newInformationItemButton_ID) {
// create a new InformationItem
initialSelection.add((Classifier)createNewInformationItem());
dialog.setInitialElementSelections(initialSelection);
}
}// end of while()
} finally {
adapterFactory.dispose();
}
// No Classifier selected: abort element creation
return CommandResult.newCancelledCommandResult();
}
/**
* - Create a new {@link InformationItem}
*
* - Ask for the {@link InformationItem}'s name
*
* @return the new InformationItem or null if canceled
*/
// TODO should be moved?
private InformationItem createNewInformationItem() {
// create the new InformationItem
InformationItem infoItem = UMLFactory.eINSTANCE.createInformationItem();
getContainer().getPackagedElements().add(infoItem);
ElementInitializers.getInstance().init_InformationItem_2080(infoItem);
// ask for the name of the new InformationItem
// Create the editor
Shell currentShell = new Shell(Display.getCurrent(), SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
IDirectEditorConfiguration configuration;// = new DefaultDirectEditorConfiguration();
String languagePreferred = Activator.getDefault().getPreferenceStore().getString(IDirectEditorsIds.EDITOR_FOR_ELEMENT + infoItem.eClass().getInstanceClassName());
configuration = DirectEditorsUtil.findEditorConfiguration(languagePreferred, infoItem.eClass().getInstanceClassName());
configuration.preEditAction(infoItem);
configuration.setInputValidator(new NameLabelValidator(Messages.InformationItemGetNameDialog_Error_Message));
ExtendedDirectEditionDialog dialog = new ExtendedDirectEditionDialog(currentShell, infoItem, infoItem.getName(), configuration);
dialog.open();
if(dialog.getReturnCode() == Window.CANCEL) {
// We delete the newInformationItem
int index = getContainer().getPackagedElements().indexOf(infoItem);
getContainer().getPackagedElements().remove(index);
return null;
} else {
infoItem.setName(dialog.getValue());
((CreateElementRequest)getRequest()).setNewElement(infoItem);
return infoItem;
}
}
}
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