package org.eclipse.uml2.diagram.timing.edit.policies;
import java.util.Collections;
import java.util.Iterator;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.CompoundCommand;
import org.eclipse.gef.commands.UnexecutableCommand;
import org.eclipse.gef.requests.ReconnectRequest;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand;
import org.eclipse.gmf.runtime.diagram.core.util.ViewUtil;
import org.eclipse.gmf.runtime.diagram.ui.commands.CommandProxy;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.SemanticEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.requests.EditCommandRequestWrapper;
import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.emf.type.core.requests.ConfigureRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyReferenceRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.DuplicateElementsRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.GetEditContextRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.IEditCommandRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.MoveRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientReferenceRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.SetRequest;
import org.eclipse.gmf.runtime.notation.Edge;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.uml2.diagram.timing.edit.helpers.TimingDBaseEditHelper;
import org.eclipse.uml2.diagram.timing.model.timingd.DBlock;
import org.eclipse.uml2.diagram.timing.model.timingd.DFrame;
import org.eclipse.uml2.diagram.timing.model.timingd.DSegment;
import org.eclipse.uml2.diagram.timing.model.timingd.DSegmentElement;
import org.eclipse.uml2.diagram.timing.model.timingd.DSegmentEnd;
import org.eclipse.uml2.diagram.timing.model.timingd.DSegmentStart;
import org.eclipse.uml2.diagram.timing.model.timingd.DTick;
import org.eclipse.uml2.diagram.timing.model.timingd.DValueLine;
import org.eclipse.uml2.diagram.timing.part.TimingDVisualIDRegistry;
import org.eclipse.uml2.diagram.timing.providers.TimingDElementTypes;
/**
* @generated
*/
public class TimingDBaseItemSemanticEditPolicy extends SemanticEditPolicy {
/**
* Extended request data key to hold editpart visual id.
*
* @generated
*/
public static final String VISUAL_ID_KEY = "visual_id"; //$NON-NLS-1$
/**
* @generated
*/
private final IElementType myElementType;
/**
* @generated
*/
protected TimingDBaseItemSemanticEditPolicy(IElementType elementType) {
myElementType = elementType;
}
/**
* Extended request data key to hold editpart visual id.
* Add visual id of edited editpart to extended data of the request
* so command switch can decide what kind of diagram element is being edited.
* It is done in those cases when it's not possible to deduce diagram
* element kind from domain element.
*
* @generated
*/
public Command getCommand(Request request) {
if (request instanceof ReconnectRequest) {
Object view = ((ReconnectRequest) request).getConnectionEditPart().getModel();
if (view instanceof View) {
Integer id = new Integer(TimingDVisualIDRegistry.getVisualID((View) view));
request.getExtendedData().put(VISUAL_ID_KEY, id);
}
}
return super.getCommand(request);
}
/**
* Returns visual id from request parameters.
*
* @generated
*/
protected int getVisualID(IEditCommandRequest request) {
Object id = request.getParameter(VISUAL_ID_KEY);
return id instanceof Integer ? ((Integer) id).intValue() : -1;
}
/**
* @generated
*/
protected Command getSemanticCommand(IEditCommandRequest request) {
IEditCommandRequest completedRequest = completeRequest(request);
Command semanticCommand = getSemanticCommandSwitch(completedRequest);
semanticCommand = getEditHelperCommand(completedRequest, semanticCommand);
boolean shouldProceed = true;
if (completedRequest instanceof DestroyRequest) {
shouldProceed = shouldProceed((DestroyRequest) completedRequest);
}
if (shouldProceed) {
if (completedRequest instanceof DestroyRequest) {
TransactionalEditingDomain editingDomain = ((IGraphicalEditPart) getHost()).getEditingDomain();
Command deleteViewCommand = new ICommandProxy(new DeleteCommand(editingDomain, (View) getHost().getModel()));
semanticCommand = semanticCommand == null ? deleteViewCommand : semanticCommand.chain(deleteViewCommand);
}
return semanticCommand;
}
return null;
}
/**
* @generated
*/
private Command getEditHelperCommand(IEditCommandRequest request, Command editPolicyCommand) {
if (editPolicyCommand != null) {
ICommand command = editPolicyCommand instanceof ICommandProxy ? ((ICommandProxy) editPolicyCommand).getICommand() : new CommandProxy(editPolicyCommand);
request.setParameter(TimingDBaseEditHelper.EDIT_POLICY_COMMAND, command);
}
IElementType requestContextElementType = getContextElementType(request);
request.setParameter(TimingDBaseEditHelper.CONTEXT_ELEMENT_TYPE, requestContextElementType);
ICommand command = requestContextElementType.getEditCommand(request);
request.setParameter(TimingDBaseEditHelper.EDIT_POLICY_COMMAND, null);
request.setParameter(TimingDBaseEditHelper.CONTEXT_ELEMENT_TYPE, null);
if (command != null) {
if (!(command instanceof CompositeTransactionalCommand)) {
TransactionalEditingDomain editingDomain = ((IGraphicalEditPart) getHost()).getEditingDomain();
command = new CompositeTransactionalCommand(editingDomain, command.getLabel()).compose(command);
}
return new ICommandProxy(command);
}
return editPolicyCommand;
}
/**
* @generated
*/
private IElementType getContextElementType(IEditCommandRequest request) {
IElementType requestContextElementType = TimingDElementTypes.getElementType(getVisualID(request));
return requestContextElementType != null ? requestContextElementType : myElementType;
}
/**
* @generated
*/
protected Command getSemanticCommandSwitch(IEditCommandRequest req) {
if (req instanceof CreateRelationshipRequest) {
return getCreateRelationshipCommand((CreateRelationshipRequest) req);
} else if (req instanceof CreateElementRequest) {
return getCreateCommand((CreateElementRequest) req);
} else if (req instanceof ConfigureRequest) {
return getConfigureCommand((ConfigureRequest) req);
} else if (req instanceof DestroyElementRequest) {
return getDestroyElementCommand((DestroyElementRequest) req);
} else if (req instanceof DestroyReferenceRequest) {
return getDestroyReferenceCommand((DestroyReferenceRequest) req);
} else if (req instanceof DuplicateElementsRequest) {
return getDuplicateCommand((DuplicateElementsRequest) req);
} else if (req instanceof GetEditContextRequest) {
return getEditContextCommand((GetEditContextRequest) req);
} else if (req instanceof MoveRequest) {
return getMoveCommand((MoveRequest) req);
} else if (req instanceof ReorientReferenceRelationshipRequest) {
return getReorientReferenceRelationshipCommand((ReorientReferenceRelationshipRequest) req);
} else if (req instanceof ReorientRelationshipRequest) {
return getReorientRelationshipCommand((ReorientRelationshipRequest) req);
} else if (req instanceof SetRequest) {
return getSetCommand((SetRequest) req);
}
return null;
}
/**
* @generated
*/
protected Command getConfigureCommand(ConfigureRequest req) {
return null;
}
/**
* @generated
*/
protected Command getCreateRelationshipCommand(CreateRelationshipRequest req) {
return null;
}
/**
* @generated
*/
protected Command getCreateCommand(CreateElementRequest req) {
return null;
}
/**
* @generated
*/
protected Command getSetCommand(SetRequest req) {
return null;
}
/**
* @generated
*/
protected Command getEditContextCommand(GetEditContextRequest req) {
return null;
}
/**
* @generated
*/
protected Command getDestroyElementCommand(DestroyElementRequest req) {
return null;
}
/**
* @generated
*/
protected Command getDestroyReferenceCommand(DestroyReferenceRequest req) {
return null;
}
/**
* @generated
*/
protected Command getDuplicateCommand(DuplicateElementsRequest req) {
return null;
}
/**
* @generated
*/
protected Command getMoveCommand(MoveRequest req) {
return null;
}
/**
* @generated
*/
protected Command getReorientReferenceRelationshipCommand(ReorientReferenceRelationshipRequest req) {
return UnexecutableCommand.INSTANCE;
}
/**
* @generated
*/
protected Command getReorientRelationshipCommand(ReorientRelationshipRequest req) {
return UnexecutableCommand.INSTANCE;
}
/**
* @generated
*/
protected final Command getGEFWrapper(ICommand cmd) {
return new ICommandProxy(cmd);
}
/**
* @deprecated use getGEFWrapper() instead
* @generated
*/
protected final Command getMSLWrapper(ICommand cmd) {
// XXX deprecated: use getGEFWrapper() instead
return getGEFWrapper(cmd);
}
/**
* @generated
*/
protected EObject getSemanticElement() {
return ViewUtil.resolveSemanticElement((View) getHost().getModel());
}
/**
* Returns editing domain from the host edit part.
*
* @generated
*/
protected TransactionalEditingDomain getEditingDomain() {
return ((IGraphicalEditPart) getHost()).getEditingDomain();
}
/**
* Creates command to destroy the link.
*
* @generated
*/
protected Command getDestroyElementCommand(View view) {
EditPart editPart = (EditPart) getHost().getViewer().getEditPartRegistry().get(view);
DestroyElementRequest request = new DestroyElementRequest(getEditingDomain(), false);
return editPart.getCommand(new EditCommandRequestWrapper(request, Collections.EMPTY_MAP));
}
/**
* Creates commands to destroy all host incoming and outgoing links.
*
* @generated
*/
protected CompoundCommand getDestroyEdgesCommand() {
CompoundCommand cmd = new CompoundCommand();
View view = (View) getHost().getModel();
for (Iterator it = view.getSourceEdges().iterator(); it.hasNext();) {
cmd.add(getDestroyElementCommand((Edge) it.next()));
}
for (Iterator it = view.getTargetEdges().iterator(); it.hasNext();) {
cmd.add(getDestroyElementCommand((Edge) it.next()));
}
return cmd;
}
/**
* @generated
*/
protected void addDestroyShortcutsCommand(CompoundCommand command) {
View view = (View) getHost().getModel();
if (view.getEAnnotation("Shortcut") != null) { //$NON-NLS-1$
return;
}
for (Iterator it = view.getDiagram().getChildren().iterator(); it.hasNext();) {
View nextView = (View) it.next();
if (nextView.getEAnnotation("Shortcut") == null || !nextView.isSetElement() || nextView.getElement() != view.getElement()) { //$NON-NLS-1$
continue;
}
command.add(getDestroyElementCommand(nextView));
}
}
/**
* @generated
*/
public static class LinkConstraints {
/**
* @generated
*/
private static final String OPPOSITE_END_VAR = "oppositeEnd"; //$NON-NLS-1$
/**
* @generated
*/
public static boolean canCreateDStateSwitch_4001(DBlock container, DSegmentEnd source, DSegmentStart target) {
return canExistDStateSwitch_4001(container, source, target);
}
/**
* @generated
*/
public static boolean canCreateDMessage_4002(DFrame container, DSegmentElement source, DSegmentElement target) {
return canExistDMessage_4002(container, source, target);
}
/**
* @generated
*/
public static boolean canCreateDInterval_4003(DFrame container, DTick source, DTick target) {
return canExistDInterval_4003(container, source, target);
}
/**
* @generated
*/
public static boolean canExistDStateSwitch_4001(DBlock container, DSegmentEnd source, DSegmentStart target) {
return true;
}
/**
* @generated
*/
public static boolean canExistDMessage_4002(DFrame container, DSegmentElement source, DSegmentElement target) {
return true;
}
/**
* @generated
*/
public static boolean canExistDInterval_4003(DFrame container, DTick source, DTick target) {
return true;
}
}
}