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/*****************************************************************************
* Copyright (c) 2010 CEA LIST.
*
*
* 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:
* Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.composite.custom.actions;
import java.util.List;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.Assert;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.UnexecutableCommand;
import org.eclipse.gmf.runtime.common.ui.util.DisplayUtils;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.papyrus.uml.diagram.common.handlers.GraphicalCommandHandler;
import org.eclipse.papyrus.uml.diagram.composite.custom.messages.Messages;
import org.eclipse.papyrus.uml.diagram.composite.custom.ui.InterfaceManagerDialog;
import org.eclipse.papyrus.uml.diagram.composite.edit.parts.PortEditPart;
import org.eclipse.uml2.uml.Classifier;
import org.eclipse.uml2.uml.Interface;
import org.eclipse.uml2.uml.Port;
import org.eclipse.uml2.uml.Type;
/**
* This handler provides the action to manage the provided and required {@link Interface} for a {@link Port}
*
*
*
*/
public class ManageProvidedInterfacesHandler extends GraphicalCommandHandler {
/**
*
* @see org.eclipse.papyrus.uml.diagram.common.handlers.GraphicalCommandHandler#getCommand()
*
* @return
* @throws ExecutionException
*/
@Override
protected Command getCommand() throws ExecutionException {
List<IGraphicalEditPart> selection = getSelectedElements();
if(selection.size() != 1) {
return UnexecutableCommand.INSTANCE;
}
if(!(selection.get(0) instanceof PortEditPart)) {
return UnexecutableCommand.INSTANCE;
}
ManageProvidedInterfaceAction action = new ManageProvidedInterfaceAction(selection.get(0));
return action.getCommand();
}
/**
*
* This class provides the action to manage the provided and required interfaces
*
*
*/
public class ManageProvidedInterfaceAction {
/** the {@link Port} */
private Port port;
/** the {@link Type} of the port */
private Type type;
/**
*
* Constructor.
*
* @param editpart
* the editpart of the port
*/
public ManageProvidedInterfaceAction(IGraphicalEditPart editpart) {
Object obj = ((View)editpart.getModel()).getElement();
Assert.isTrue(obj instanceof Port);
this.port = (Port)obj;
this.type = port.getType();
}
/**
* Returns the command to add/remove provided/required interfaces
*
* @return
* the command to add/remove provided/required interfaces
*/
public Command getCommand() {
if(type != null && !(type instanceof Classifier)) {
return UnexecutableCommand.INSTANCE;
} else if(type == null) {
MessageDialog dialog = new MessageDialog(DisplayUtils.getDefaultShell(), Messages.InterfaceManagerDialog_Title, null, Messages.ManageProvidedInterfacesHandler_TheTypeOfThePortIsNotDefined, MessageDialog.WARNING, new String[]{ Messages.ManageProvidedInterfacesHandler_OK }, 0);
dialog.open();
} else {
InterfaceManagerDialog dialog = new InterfaceManagerDialog(DisplayUtils.getDefaultShell(), this.port);
if(dialog.open() == Dialog.OK) {
return dialog.getCommand();
}
}
return UnexecutableCommand.INSTANCE;
}
}
/**
*
* @see org.eclipse.papyrus.uml.diagram.common.handlers.GraphicalCommandHandler#isEnabled()
*
* @return
*/
@Override
public boolean isEnabled() {
if(getSelectedElements().size() == 1) {
Object obj = ((View)getSelectedElements().get(0).getModel()).getElement();
return obj instanceof Port;
}
return false;
}
}
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