package org.eclipse.uml2.diagram.component.edit.policies;
import java.util.Collections;
import java.util.Iterator;
import java.util.Map;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
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.common.core.command.ICompositeCommand;
import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand;
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.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.View;
import org.eclipse.uml2.diagram.component.edit.helpers.UMLBaseEditHelper;
import org.eclipse.uml2.diagram.component.expressions.UMLAbstractExpression;
import org.eclipse.uml2.diagram.component.expressions.UMLOCLFactory;
import org.eclipse.uml2.diagram.component.part.UMLDiagramEditorPlugin;
import org.eclipse.uml2.diagram.component.part.UMLVisualIDRegistry;
import org.eclipse.uml2.diagram.component.providers.UMLElementTypes;
import org.eclipse.uml2.uml.Association;
import org.eclipse.uml2.uml.BehavioredClassifier;
import org.eclipse.uml2.uml.Classifier;
import org.eclipse.uml2.uml.Comment;
import org.eclipse.uml2.uml.Component;
import org.eclipse.uml2.uml.ConnectableElement;
import org.eclipse.uml2.uml.Connector;
import org.eclipse.uml2.uml.ConnectorEnd;
import org.eclipse.uml2.uml.Dependency;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Interface;
import org.eclipse.uml2.uml.InterfaceRealization;
import org.eclipse.uml2.uml.NamedElement;
import org.eclipse.uml2.uml.Package;
import org.eclipse.uml2.uml.Port;
import org.eclipse.uml2.uml.StructuredClassifier;
import org.eclipse.uml2.uml.Type;
import org.eclipse.uml2.uml.UMLPackage;
/**
* @generated
*/
public class UMLBaseItemSemanticEditPolicy 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 UMLBaseItemSemanticEditPolicy(IElementType elementType) {
myElementType = elementType;
}
/**
* 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(UMLVisualIDRegistry.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);
if (completedRequest instanceof DestroyRequest) {
DestroyRequest destroyRequest = (DestroyRequest) completedRequest;
return shouldProceed(destroyRequest) ? addDeleteViewCommand(semanticCommand, destroyRequest) : null;
}
return semanticCommand;
}
/**
* @generated
*/
protected Command addDeleteViewCommand(Command mainCommand, DestroyRequest completedRequest) {
Command deleteViewCommand = getGEFWrapper(new DeleteCommand(getEditingDomain(), (View) getHost().getModel()));
return mainCommand == null ? deleteViewCommand : mainCommand.chain(deleteViewCommand);
}
/**
* @generated
*/
private Command getEditHelperCommand(IEditCommandRequest request, Command editPolicyCommand) {
if (editPolicyCommand != null) {
ICommand command = editPolicyCommand instanceof ICommandProxy ? ((ICommandProxy) editPolicyCommand).getICommand() : new CommandProxy(editPolicyCommand);
request.setParameter(UMLBaseEditHelper.EDIT_POLICY_COMMAND, command);
}
IElementType requestContextElementType = getContextElementType(request);
request.setParameter(UMLBaseEditHelper.CONTEXT_ELEMENT_TYPE, requestContextElementType);
ICommand command = requestContextElementType.getEditCommand(request);
request.setParameter(UMLBaseEditHelper.EDIT_POLICY_COMMAND, null);
request.setParameter(UMLBaseEditHelper.CONTEXT_ELEMENT_TYPE, null);
if (command != null) {
if (!(command instanceof CompositeTransactionalCommand)) {
command = new CompositeTransactionalCommand(getEditingDomain(), command.getLabel()).compose(command);
}
return new ICommandProxy(command);
}
return editPolicyCommand;
}
/**
* @generated
*/
private IElementType getContextElementType(IEditCommandRequest request) {
IElementType requestContextElementType = UMLElementTypes.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);
}
/**
* Returns editing domain from the host edit part.
*
* @generated
*/
protected TransactionalEditingDomain getEditingDomain() {
return ((IGraphicalEditPart) getHost()).getEditingDomain();
}
/**
* Clean all shortcuts to the host element from the same diagram
* @generated
*/
protected void addDestroyShortcutsCommand(ICompositeCommand cmd, View view) {
assert view.getEAnnotation("Shortcut") == null; //$NON-NLS-1$
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;
}
cmd.add(new DeleteCommand(getEditingDomain(), nextView));
}
}
/**
* @generated
*/
public static LinkConstraints getLinkConstraints() {
LinkConstraints cached = UMLDiagramEditorPlugin.getInstance().getLinkConstraints();
if (cached == null) {
UMLDiagramEditorPlugin.getInstance().setLinkConstraints(cached = new LinkConstraints());
}
return cached;
}
/**
* @generated
*/
public static class LinkConstraints {
/**
* @generated
*/
LinkConstraints() {
// use static method #getLinkConstraints() to access instance
}
/**
* @generated
*/
public boolean canCreateInterfaceRealization_4001(BehavioredClassifier container, BehavioredClassifier source, Interface target) {
return canExistInterfaceRealization_4001(container, null, source, target);
}
/**
* @generated
*/
public boolean canCreatePortProvided_4006(Port source, Interface target) {
if (source != null) {
if (source.getProvideds().contains(target)) {
return false;
}
}
return canExistPortProvided_4006(source, target);
}
/**
* @generated
*/
public boolean canCreatePortRequired_4004(Port source, Interface target) {
if (source != null) {
if (source.getRequireds().contains(target)) {
return false;
}
}
return canExistPortRequired_4004(source, target);
}
/**
* @generated
*/
public boolean canCreateComponentRequired_4007(Component source, Interface target) {
if (source != null) {
if (source.getRequireds().contains(target)) {
return false;
}
}
return canExistComponentRequired_4007(source, target);
}
/**
* @generated
*/
public boolean canCreateConnector_4008(StructuredClassifier container, ConnectableElement source, ConnectableElement target) {
return canExistConnector_4008(container, null, source, target);
}
/**
* @generated
*/
public boolean canCreateDependency_4009(Package container, NamedElement source, NamedElement target) {
return canExistDependency_4009(container, null, source, target);
}
/**
* @generated
*/
public static boolean canReallyCreateDependency_4009(NamedElement source, NamedElement target, EClass linkClass) {
return canReallyExistDependency_4009(source, target, linkClass);
}
/**
*
* @generated
*/
public boolean canCreateConnectorEndRole_4010(ConnectorEnd source, ConnectableElement target) {
if (source != null) {
if (source.getRole() != null) {
return false;
}
}
return canExistConnectorEndRole_4010(source, target);
}
/**
* @generated
*/
public boolean canCreateAssociation_4011(Package container, Type source, Type target) {
return canExistAssociation_4011(container, null, source, target);
}
/**
* @generated
*/
public boolean canCreateCommentAnnotatedElement_4012(Comment source, Element target) {
if (source != null) {
if (source.getAnnotatedElements().contains(target)) {
return false;
}
}
return canExistCommentAnnotatedElement_4012(source, target);
}
/**
* @generated
*/
public boolean canExistInterfaceRealization_4001(BehavioredClassifier container, InterfaceRealization linkInstance, BehavioredClassifier source, Interface target) {
try {
if (source == null) {
return true;
} else {
Map<String, EClassifier> env = Collections.<String, EClassifier> singletonMap("oppositeEnd", UMLPackage.eINSTANCE.getInterface()); //$NON-NLS-1$
Object sourceVal = UMLOCLFactory.getExpression(26, UMLPackage.eINSTANCE.getBehavioredClassifier(), env).evaluate(source, Collections.singletonMap("oppositeEnd", target)); //$NON-NLS-1$
if (false == sourceVal instanceof Boolean || !((Boolean) sourceVal).booleanValue()) {
return false;
} // else fall-through
}
return true;
} catch (Exception e) {
UMLDiagramEditorPlugin.getInstance().logError("Link constraint evaluation error", e); //$NON-NLS-1$
return false;
}
}
/**
* @generated
*/
public boolean canExistPortProvided_4006(Port source, Interface target) {
try {
if (source == null) {
return true;
} else {
Map<String, EClassifier> env = Collections.<String, EClassifier> singletonMap("oppositeEnd", UMLPackage.eINSTANCE.getInterface()); //$NON-NLS-1$
Object sourceVal = UMLOCLFactory.getExpression(27, UMLPackage.eINSTANCE.getPort(), env).evaluate(source, Collections.singletonMap("oppositeEnd", target)); //$NON-NLS-1$
if (false == sourceVal instanceof Boolean || !((Boolean) sourceVal).booleanValue()) {
return false;
} // else fall-through
}
return true;
} catch (Exception e) {
UMLDiagramEditorPlugin.getInstance().logError("Link constraint evaluation error", e); //$NON-NLS-1$
return false;
}
}
/**
* @generated
*/
public boolean canExistPortRequired_4004(Port source, Interface target) {
try {
if (source == null) {
return true;
} else {
Map<String, EClassifier> env = Collections.<String, EClassifier> singletonMap("oppositeEnd", UMLPackage.eINSTANCE.getInterface()); //$NON-NLS-1$
Object sourceVal = UMLOCLFactory.getExpression(28, UMLPackage.eINSTANCE.getPort(), env).evaluate(source, Collections.singletonMap("oppositeEnd", target)); //$NON-NLS-1$
if (false == sourceVal instanceof Boolean || !((Boolean) sourceVal).booleanValue()) {
return false;
} // else fall-through
}
return true;
} catch (Exception e) {
UMLDiagramEditorPlugin.getInstance().logError("Link constraint evaluation error", e); //$NON-NLS-1$
return false;
}
}
/**
* @generated
*/
public boolean canExistComponentRequired_4007(Component source, Interface target) {
return true;
}
/**
* @generated
*/
public boolean canExistConnector_4008(StructuredClassifier container, Connector linkInstance, ConnectableElement source, ConnectableElement target) {
return true;
}
/**
* @generated
*/
public boolean canExistDependency_4009(Package container, Dependency linkInstance, NamedElement source, NamedElement target) {
return true;
}
/**
* @generated
*/
public static boolean canReallyExistDependency_4009(NamedElement source, NamedElement target, EClass linkClass) {
if (linkClass != null) {
if (UMLPackage.eINSTANCE.getUsage().isSuperTypeOf(linkClass)) {
if ((source instanceof Classifier || source instanceof Port) && target instanceof Interface) {
return false;
}
}
}
return true;
}
/**
* @generated
*/
public boolean canExistConnectorEndRole_4010(ConnectorEnd source, ConnectableElement target) {
try {
if (source == null) {
return true;
} else {
Map<String, EClassifier> env = Collections.<String, EClassifier> singletonMap("oppositeEnd", UMLPackage.eINSTANCE.getConnectableElement()); //$NON-NLS-1$
Object sourceVal = UMLOCLFactory.getExpression(32, UMLPackage.eINSTANCE.getConnectorEnd(), env).evaluate(source, Collections.singletonMap("oppositeEnd", target)); //$NON-NLS-1$
if (false == sourceVal instanceof Boolean || !((Boolean) sourceVal).booleanValue()) {
return false;
} // else fall-through
}
return true;
} catch (Exception e) {
UMLDiagramEditorPlugin.getInstance().logError("Link constraint evaluation error", e); //$NON-NLS-1$
return false;
}
}
/**
* @generated
*/
public boolean canExistAssociation_4011(Package container, Association linkInstance, Type source, Type target) {
return true;
}
/**
* @generated
*/
public boolean canExistCommentAnnotatedElement_4012(Comment source, Element target) {
return true;
}
}
}