/*
* Copyright (c) 2006 Borland Software Corporation
*
* 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:
* Dmitry Stadnik (Borland) - initial API and implementation
*/
package org.eclipse.gmf.map.editor.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.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.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.dialogs.ElementListSelectionDialog;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
import org.eclipse.gmf.map.editor.edit.parts.CanvasMappingContentsEditPart;
import org.eclipse.gmf.map.editor.edit.parts.ChildReferenceEditPart;
import org.eclipse.gmf.map.editor.edit.parts.CompartmentMappingEditPart;
import org.eclipse.gmf.map.editor.edit.parts.LinkMappingEditPart;
import org.eclipse.gmf.map.editor.edit.parts.MappingEditPart;
import org.eclipse.gmf.map.editor.edit.parts.NodeMappingContentsEditPart;
import org.eclipse.gmf.map.editor.edit.parts.NodeMappingEditPart;
import org.eclipse.gmf.map.editor.edit.parts.TopNodeReferenceEditPart;
import org.eclipse.gmf.map.editor.part.GMFMapDiagramEditorPlugin;
/**
* @generated
*/
public class GMFMapModelingAssistantProvider extends ModelingAssistantProvider {
/**
* @generated
*/
public List getTypesForPopupBar(IAdaptable host) {
IGraphicalEditPart editPart = (IGraphicalEditPart) host.getAdapter(IGraphicalEditPart.class);
if (editPart instanceof NodeMappingEditPart) {
List types = new ArrayList();
types.add(GMFMapElementTypes.FeatureLabelMapping_3006);
types.add(GMFMapElementTypes.DesignLabelMapping_3007);
types.add(GMFMapElementTypes.LabelMapping_3002);
return types;
}
if (editPart instanceof LinkMappingEditPart) {
List types = new ArrayList();
types.add(GMFMapElementTypes.FeatureLabelMapping_3008);
types.add(GMFMapElementTypes.DesignLabelMapping_3009);
types.add(GMFMapElementTypes.LabelMapping_3003);
return types;
}
if (editPart instanceof CanvasMappingContentsEditPart) {
List types = new ArrayList();
types.add(GMFMapElementTypes.TopNodeReference_3001);
return types;
}
if (editPart instanceof NodeMappingContentsEditPart) {
List types = new ArrayList();
types.add(GMFMapElementTypes.ChildReference_3004);
types.add(GMFMapElementTypes.CompartmentMapping_3005);
return types;
}
if (editPart instanceof MappingEditPart) {
List types = new ArrayList();
types.add(GMFMapElementTypes.CanvasMapping_2001);
types.add(GMFMapElementTypes.NodeMapping_2003);
types.add(GMFMapElementTypes.LinkMapping_2002);
return types;
}
return Collections.EMPTY_LIST;
}
/**
* @generated
*/
public List getRelTypesOnSource(IAdaptable source) {
IGraphicalEditPart sourceEditPart = (IGraphicalEditPart) source.getAdapter(IGraphicalEditPart.class);
if (sourceEditPart instanceof TopNodeReferenceEditPart) {
List types = new ArrayList();
types.add(GMFMapElementTypes.TopNodeReferenceOwnedChild_4001);
return types;
}
if (sourceEditPart instanceof ChildReferenceEditPart) {
List types = new ArrayList();
types.add(GMFMapElementTypes.ChildReferenceOwnedChild_4004);
types.add(GMFMapElementTypes.ChildReferenceReferencedChild_4002);
return types;
}
if (sourceEditPart instanceof CompartmentMappingEditPart) {
List types = new ArrayList();
types.add(GMFMapElementTypes.CompartmentMappingChildren_4003);
return types;
}
return Collections.EMPTY_LIST;
}
/**
* @generated
*/
public List getRelTypesOnTarget(IAdaptable target) {
IGraphicalEditPart targetEditPart = (IGraphicalEditPart) target.getAdapter(IGraphicalEditPart.class);
if (targetEditPart instanceof NodeMappingEditPart) {
List types = new ArrayList();
types.add(GMFMapElementTypes.TopNodeReferenceOwnedChild_4001);
types.add(GMFMapElementTypes.ChildReferenceOwnedChild_4004);
types.add(GMFMapElementTypes.ChildReferenceReferencedChild_4002);
return types;
}
if (targetEditPart instanceof ChildReferenceEditPart) {
List types = new ArrayList();
types.add(GMFMapElementTypes.CompartmentMappingChildren_4003);
return types;
}
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);
if (sourceEditPart instanceof TopNodeReferenceEditPart) {
List types = new ArrayList();
if (targetEditPart instanceof NodeMappingEditPart) {
types.add(GMFMapElementTypes.TopNodeReferenceOwnedChild_4001);
}
return types;
}
if (sourceEditPart instanceof ChildReferenceEditPart) {
List types = new ArrayList();
if (targetEditPart instanceof NodeMappingEditPart) {
types.add(GMFMapElementTypes.ChildReferenceOwnedChild_4004);
}
if (targetEditPart instanceof NodeMappingEditPart) {
types.add(GMFMapElementTypes.ChildReferenceReferencedChild_4002);
}
return types;
}
if (sourceEditPart instanceof CompartmentMappingEditPart) {
List types = new ArrayList();
if (targetEditPart instanceof ChildReferenceEditPart) {
types.add(GMFMapElementTypes.CompartmentMappingChildren_4003);
}
return types;
}
return Collections.EMPTY_LIST;
}
/**
* @generated
*/
public List getTypesForSource(IAdaptable target, IElementType relationshipType) {
IGraphicalEditPart targetEditPart = (IGraphicalEditPart) target.getAdapter(IGraphicalEditPart.class);
if (targetEditPart instanceof NodeMappingEditPart) {
List types = new ArrayList();
if (relationshipType == GMFMapElementTypes.TopNodeReferenceOwnedChild_4001) {
types.add(GMFMapElementTypes.TopNodeReference_3001);
}
if (relationshipType == GMFMapElementTypes.ChildReferenceOwnedChild_4004) {
types.add(GMFMapElementTypes.ChildReference_3004);
}
if (relationshipType == GMFMapElementTypes.ChildReferenceReferencedChild_4002) {
types.add(GMFMapElementTypes.ChildReference_3004);
}
return types;
}
if (targetEditPart instanceof ChildReferenceEditPart) {
List types = new ArrayList();
if (relationshipType == GMFMapElementTypes.CompartmentMappingChildren_4003) {
types.add(GMFMapElementTypes.CompartmentMapping_3005);
}
return types;
}
return Collections.EMPTY_LIST;
}
/**
* @generated
*/
public List getTypesForTarget(IAdaptable source, IElementType relationshipType) {
IGraphicalEditPart sourceEditPart = (IGraphicalEditPart) source.getAdapter(IGraphicalEditPart.class);
if (sourceEditPart instanceof TopNodeReferenceEditPart) {
List types = new ArrayList();
if (relationshipType == GMFMapElementTypes.TopNodeReferenceOwnedChild_4001) {
types.add(GMFMapElementTypes.NodeMapping_2003);
}
return types;
}
if (sourceEditPart instanceof ChildReferenceEditPart) {
List types = new ArrayList();
if (relationshipType == GMFMapElementTypes.ChildReferenceOwnedChild_4004) {
types.add(GMFMapElementTypes.NodeMapping_2003);
}
if (relationshipType == GMFMapElementTypes.ChildReferenceReferencedChild_4002) {
types.add(GMFMapElementTypes.NodeMapping_2003);
}
return types;
}
if (sourceEditPart instanceof CompartmentMappingEditPart) {
List types = new ArrayList();
if (relationshipType == GMFMapElementTypes.CompartmentMappingChildren_4003) {
types.add(GMFMapElementTypes.ChildReference_3004);
}
return types;
}
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(GMFMapDiagramEditorPlugin.getInstance().getItemProvidersAdapterFactory());
ElementListSelectionDialog dialog = new ElementListSelectionDialog(shell, labelProvider);
dialog.setMessage("Available domain model elements:");
dialog.setTitle("Select domain model element");
dialog.setMultipleSelection(false);
dialog.setElements(elements);
EObject selected = null;
if (dialog.open() == Window.OK) {
selected = (EObject) dialog.getFirstResult();
}
return selected;
}
}
