package org.eclipse.gmf.examples.ocldriven.toe.diagram.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.examples.ocldriven.toe.diagram.edit.parts.AllHolderEditPart;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.edit.parts.Department2EditPart;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.edit.parts.DepartmentDepartment_staff2EditPart;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.edit.parts.DepartmentDepartment_staffEditPart;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.edit.parts.DepartmentEditPart;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.edit.parts.Employee2EditPart;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.edit.parts.EmployeeEditPart;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.edit.parts.ManagerEditPart;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.edit.parts.ProjectEditPart;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.part.Messages;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.part.TOEDiagramEditorPlugin;
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;
/**
* @generated
*/
public class TOEModelingAssistantProvider extends ModelingAssistantProvider {
/**
* @generated
*/
public List getTypesForPopupBar(IAdaptable host) {
IGraphicalEditPart editPart = (IGraphicalEditPart) host.getAdapter(IGraphicalEditPart.class);
if (editPart instanceof AllHolderEditPart) {
ArrayList<IElementType> types = new ArrayList<IElementType>(4);
types.add(TOEElementTypes.Employee_2001);
types.add(TOEElementTypes.Department_2002);
types.add(TOEElementTypes.Project_2003);
types.add(TOEElementTypes.Manager_2004);
return types;
}
if (editPart instanceof DepartmentDepartment_staffEditPart) {
ArrayList<IElementType> types = new ArrayList<IElementType>(2);
types.add(TOEElementTypes.Employee_3001);
types.add(TOEElementTypes.Department_3002);
return types;
}
if (editPart instanceof DepartmentDepartment_staff2EditPart) {
ArrayList<IElementType> types = new ArrayList<IElementType>(2);
types.add(TOEElementTypes.Employee_3001);
types.add(TOEElementTypes.Department_3002);
return types;
}
return Collections.EMPTY_LIST;
}
/**
* @generated
*/
public List getRelTypesOnSource(IAdaptable source) {
IGraphicalEditPart sourceEditPart = (IGraphicalEditPart) source.getAdapter(IGraphicalEditPart.class);
if (sourceEditPart instanceof EmployeeEditPart) {
return ((EmployeeEditPart) sourceEditPart).getMARelTypesOnSource();
}
if (sourceEditPart instanceof ManagerEditPart) {
return ((ManagerEditPart) sourceEditPart).getMARelTypesOnSource();
}
if (sourceEditPart instanceof Employee2EditPart) {
return ((Employee2EditPart) sourceEditPart).getMARelTypesOnSource();
}
return Collections.EMPTY_LIST;
}
/**
* @generated
*/
public List getRelTypesOnTarget(IAdaptable target) {
IGraphicalEditPart targetEditPart = (IGraphicalEditPart) target.getAdapter(IGraphicalEditPart.class);
if (targetEditPart instanceof DepartmentEditPart) {
return ((DepartmentEditPart) targetEditPart).getMARelTypesOnTarget();
}
if (targetEditPart instanceof ProjectEditPart) {
return ((ProjectEditPart) targetEditPart).getMARelTypesOnTarget();
}
if (targetEditPart instanceof Department2EditPart) {
return ((Department2EditPart) targetEditPart).getMARelTypesOnTarget();
}
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 EmployeeEditPart) {
return ((EmployeeEditPart) sourceEditPart).getMARelTypesOnSourceAndTarget(targetEditPart);
}
if (sourceEditPart instanceof ManagerEditPart) {
return ((ManagerEditPart) sourceEditPart).getMARelTypesOnSourceAndTarget(targetEditPart);
}
if (sourceEditPart instanceof Employee2EditPart) {
return ((Employee2EditPart) sourceEditPart).getMARelTypesOnSourceAndTarget(targetEditPart);
}
return Collections.EMPTY_LIST;
}
/**
* @generated
*/
public List getTypesForSource(IAdaptable target, IElementType relationshipType) {
IGraphicalEditPart targetEditPart = (IGraphicalEditPart) target.getAdapter(IGraphicalEditPart.class);
if (targetEditPart instanceof DepartmentEditPart) {
return ((DepartmentEditPart) targetEditPart).getMATypesForSource(relationshipType);
}
if (targetEditPart instanceof ProjectEditPart) {
return ((ProjectEditPart) targetEditPart).getMATypesForSource(relationshipType);
}
if (targetEditPart instanceof Department2EditPart) {
return ((Department2EditPart) targetEditPart).getMATypesForSource(relationshipType);
}
return Collections.EMPTY_LIST;
}
/**
* @generated
*/
public List getTypesForTarget(IAdaptable source, IElementType relationshipType) {
IGraphicalEditPart sourceEditPart = (IGraphicalEditPart) source.getAdapter(IGraphicalEditPart.class);
if (sourceEditPart instanceof EmployeeEditPart) {
return ((EmployeeEditPart) sourceEditPart).getMATypesForTarget(relationshipType);
}
if (sourceEditPart instanceof ManagerEditPart) {
return ((ManagerEditPart) sourceEditPart).getMATypesForTarget(relationshipType);
}
if (sourceEditPart instanceof Employee2EditPart) {
return ((Employee2EditPart) sourceEditPart).getMATypesForTarget(relationshipType);
}
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();
HashSet<EObject> elements = new HashSet<EObject>();
for (Iterator<EObject> it = diagram.getElement().eAllContents(); it.hasNext();) {
EObject element = 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(TOEDiagramEditorPlugin.getInstance().getItemProvidersAdapterFactory());
ElementListSelectionDialog dialog = new ElementListSelectionDialog(shell, labelProvider);
dialog.setMessage(Messages.TOEModelingAssistantProviderMessage);
dialog.setTitle(Messages.TOEModelingAssistantProviderTitle);
dialog.setMultipleSelection(false);
dialog.setElements(elements);
EObject selected = null;
if (dialog.open() == Window.OK) {
selected = (EObject) dialog.getFirstResult();
}
return selected;
}
}
