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/*****************************************************************************
* Copyright (c) 2010 Atos Origin.
*
*
* 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:
* Atos Origin - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.sysml.diagram.blockdiagram.providers;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.emf.type.core.ElementTypeRegistry;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.emf.ui.services.modelingassistant.ModelingAssistantProvider;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.window.Window;
import org.eclipse.papyrus.sysml.diagram.blockdiagram.edit.parts.BlockEditPart;
import org.eclipse.papyrus.sysml.diagram.blockdiagram.edit.parts.ResourceEditPart;
import org.eclipse.papyrus.sysml.diagram.blockdiagram.part.Messages;
import org.eclipse.papyrus.sysml.diagram.blockdiagram.part.SysmlDiagramEditorPlugin;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.dialogs.ElementListSelectionDialog;
/**
* @generated
*/
public class SysmlModelingAssistantProvider extends ModelingAssistantProvider {
/**
* @generated
*/
public List getTypesForPopupBar(IAdaptable host) {
IGraphicalEditPart editPart = (IGraphicalEditPart)host.getAdapter(IGraphicalEditPart.class);
if(editPart instanceof BlockEditPart) {
ArrayList types = new ArrayList(2);
types.add(SysmlElementTypes.Property_3001);
types.add(SysmlElementTypes.Operation_3102);
return types;
}
if(editPart instanceof ResourceEditPart) {
ArrayList types = new ArrayList(1);
types.add(SysmlElementTypes.Block_2001);
return types;
}
return Collections.EMPTY_LIST;
}
/**
* @generated
*/
public List getRelTypesOnSource(IAdaptable source) {
IGraphicalEditPart sourceEditPart = (IGraphicalEditPart)source.getAdapter(IGraphicalEditPart.class);
return Collections.EMPTY_LIST;
}
/**
* @generated
*/
public List getRelTypesOnTarget(IAdaptable target) {
IGraphicalEditPart targetEditPart = (IGraphicalEditPart)target.getAdapter(IGraphicalEditPart.class);
return Collections.EMPTY_LIST;
}
/**
* @generated
*/
public List getRelTypesOnSourceAndTarget(IAdaptable source, IAdaptable target) {
IGraphicalEditPart sourceEditPart = (IGraphicalEditPart)source.getAdapter(IGraphicalEditPart.class);
IGraphicalEditPart targetEditPart = (IGraphicalEditPart)target.getAdapter(IGraphicalEditPart.class);
return Collections.EMPTY_LIST;
}
/**
* @generated
*/
public List getTypesForSource(IAdaptable target, IElementType relationshipType) {
IGraphicalEditPart targetEditPart = (IGraphicalEditPart)target.getAdapter(IGraphicalEditPart.class);
return Collections.EMPTY_LIST;
}
/**
* @generated
*/
public List getTypesForTarget(IAdaptable source, IElementType relationshipType) {
IGraphicalEditPart sourceEditPart = (IGraphicalEditPart)source.getAdapter(IGraphicalEditPart.class);
return Collections.EMPTY_LIST;
}
/**
* @generated
*/
public EObject selectExistingElementForSource(IAdaptable target, IElementType relationshipType) {
return selectExistingElement(target, getTypesForSource(target, relationshipType));
}
/**
* @generated
*/
public EObject selectExistingElementForTarget(IAdaptable source, IElementType relationshipType) {
return selectExistingElement(source, getTypesForTarget(source, relationshipType));
}
/**
* @generated
*/
protected EObject selectExistingElement(IAdaptable host, Collection types) {
if(types.isEmpty()) {
return null;
}
IGraphicalEditPart editPart = (IGraphicalEditPart)host.getAdapter(IGraphicalEditPart.class);
if(editPart == null) {
return null;
}
Diagram diagram = (Diagram)editPart.getRoot().getContents().getModel();
Collection elements = new HashSet();
for(Iterator it = diagram.getElement().eAllContents(); it.hasNext();) {
EObject element = (EObject)it.next();
if(isApplicableElement(element, types)) {
elements.add(element);
}
}
if(elements.isEmpty()) {
return null;
}
return selectElement((EObject[])elements.toArray(new EObject[elements.size()]));
}
/**
* @generated
*/
protected boolean isApplicableElement(EObject element, Collection types) {
IElementType type = ElementTypeRegistry.getInstance().getElementType(element);
return types.contains(type);
}
/**
* @generated
*/
protected EObject selectElement(EObject[] elements) {
Shell shell = Display.getCurrent().getActiveShell();
ILabelProvider labelProvider = new AdapterFactoryLabelProvider(SysmlDiagramEditorPlugin.getInstance().getItemProvidersAdapterFactory());
ElementListSelectionDialog dialog = new ElementListSelectionDialog(shell, labelProvider);
dialog.setMessage(Messages.SysmlModelingAssistantProviderMessage);
dialog.setTitle(Messages.SysmlModelingAssistantProviderTitle);
dialog.setMultipleSelection(false);
dialog.setElements(elements);
EObject selected = null;
if(dialog.open() == Window.OK) {
selected = (EObject)dialog.getFirstResult();
}
return selected;
}
}
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