plugins/org.eclipse.uml2.diagram.clazz/src/org/eclipse/uml2/diagram/clazz/edit/policies/Enumeration2ItemSemanticEditPolicy.java

package org.eclipse.uml2.diagram.clazz.edit.policies;

import java.util.Iterator;

import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.CompoundCommand;
import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand;
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.ReorientReferenceRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.uml2.diagram.clazz.edit.commands.AssociationCreateCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.AssociationReorientCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.ConstraintConstrainedElementCreateCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.ConstraintConstrainedElementReorientCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.DependencyClientCreateCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.DependencyClientReorientCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.DependencyLinkCreateCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.DependencyLinkReorientCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.DependencySupplierCreateCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.DependencySupplierReorientCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.Generalization2CreateCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.Generalization2ReorientCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.GeneralizationCreateCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.GeneralizationGeneralCreateCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.GeneralizationGeneralReorientCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.GeneralizationReorientCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.PropertyLinkCreateCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.PropertyLinkReorientCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.RealizationCreateCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.RealizationReorientCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.RedefinableTemplateSignatureCreateCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.TemplateBindingCreateCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.TemplateBindingReorientCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.UsageCreateCommand;
import org.eclipse.uml2.diagram.clazz.edit.commands.UsageReorientCommand;
import org.eclipse.uml2.diagram.clazz.edit.parts.AssociationEditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.ConstraintConstrainedElementEditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.Dependency2EditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.DependencyClientEditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.DependencySupplierEditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.EnumerationAttributesEditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.EnumerationLiteralEditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.EnumerationLiteralsEditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.EnumerationOperationsEditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.Generalization2EditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.GeneralizationEditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.GeneralizationGeneralEditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.Operation5EditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.Property5EditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.Property7EditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.RealizationEditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.RedefinableTemplateSignatureEditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.TemplateBindingEditPart;
import org.eclipse.uml2.diagram.clazz.edit.parts.UsageEditPart;
import org.eclipse.uml2.diagram.clazz.part.UMLVisualIDRegistry;
import org.eclipse.uml2.diagram.clazz.providers.UMLElementTypes;
import org.eclipse.uml2.uml.UMLPackage;

/**
 * @generated
 */
public class Enumeration2ItemSemanticEditPolicy extends UMLBaseItemSemanticEditPolicy {

	/**
	 * @generated
	 */
	protected Command getCreateCommand(CreateElementRequest req) {
		if (UMLElementTypes.RedefinableTemplateSignature_3027 == req.getElementType()) {
			if (req.getContainmentFeature() == null) {
				req.setContainmentFeature(UMLPackage.eINSTANCE.getTemplateableElement_OwnedTemplateSignature());
			}
			return getGEFWrapper(new RedefinableTemplateSignatureCreateCommand(req));
		}
		return super.getCreateCommand(req);
	}

	/**
	 * @generated
	 */
	protected Command getDestroyElementCommand(DestroyElementRequest req) {
		CompoundCommand cc = getDestroyEdgesCommand();
		addDestroyChildNodesCommand(cc);
		addDestroyShortcutsCommand(cc);
		View view = (View) getHost().getModel();
		if (view.getEAnnotation("Shortcut") != null) { //$NON-NLS-1$
			req.setElementToDestroy(view);
		}
		cc.add(getGEFWrapper(new DestroyElementCommand(req)));
		return cc.unwrap();
	}

	/**
	 * @generated
	 */
	protected void addDestroyChildNodesCommand(CompoundCommand cmd) {
		View view = (View) getHost().getModel();
		EAnnotation annotation = view.getEAnnotation("Shortcut"); //$NON-NLS-1$
		if (annotation != null) {
			return;
		}
		for (Iterator it = view.getChildren().iterator(); it.hasNext();) {
			Node node = (Node) it.next();
			switch (UMLVisualIDRegistry.getVisualID(node)) {
			case RedefinableTemplateSignatureEditPart.VISUAL_ID:
				cmd.add(getDestroyElementCommand(node));
				break;
			case EnumerationLiteralsEditPart.VISUAL_ID:
				for (Iterator cit = node.getChildren().iterator(); cit.hasNext();) {
					Node cnode = (Node) cit.next();
					switch (UMLVisualIDRegistry.getVisualID(cnode)) {
					case EnumerationLiteralEditPart.VISUAL_ID:
						cmd.add(getDestroyElementCommand(cnode));
						break;
					}
				}
				break;
			case EnumerationAttributesEditPart.VISUAL_ID:
				for (Iterator cit = node.getChildren().iterator(); cit.hasNext();) {
					Node cnode = (Node) cit.next();
					switch (UMLVisualIDRegistry.getVisualID(cnode)) {
					case Property5EditPart.VISUAL_ID:
						cmd.add(getDestroyElementCommand(cnode));
						break;
					}
				}
				break;
			case EnumerationOperationsEditPart.VISUAL_ID:
				for (Iterator cit = node.getChildren().iterator(); cit.hasNext();) {
					Node cnode = (Node) cit.next();
					switch (UMLVisualIDRegistry.getVisualID(cnode)) {
					case Operation5EditPart.VISUAL_ID:
						cmd.add(getDestroyElementCommand(cnode));
						break;
					}
				}
				break;
			}
		}
	}

	/**
	 * @generated
	 */
	protected Command getCreateRelationshipCommand(CreateRelationshipRequest req) {
		Command command = req.getTarget() == null ? getStartCreateRelationshipCommand(req) : getCompleteCreateRelationshipCommand(req);
		return command != null ? command : super.getCreateRelationshipCommand(req);
	}

	/**
	 * @generated
	 */
	protected Command getStartCreateRelationshipCommand(CreateRelationshipRequest req) {
		if (UMLElementTypes.Generalization_4001 == req.getElementType()) {
			return getGEFWrapper(new GeneralizationCreateCommand(req, req.getSource(), req.getTarget()));
		}
		if (UMLElementTypes.Dependency_4002 == req.getElementType()) {
			return getGEFWrapper(new DependencyLinkCreateCommand(req, req.getSource(), req.getTarget()));
		}
		if (UMLElementTypes.Property_4003 == req.getElementType()) {
			return null;
		}
		if (UMLElementTypes.ConstraintConstrainedElement_4004 == req.getElementType()) {
			return null;
		}
		if (UMLElementTypes.Association_4005 == req.getElementType()) {
			return getGEFWrapper(new AssociationCreateCommand(req, req.getSource(), req.getTarget()));
		}
		if (UMLElementTypes.DependencySupplier_4006 == req.getElementType()) {
			return null;
		}
		if (UMLElementTypes.DependencyClient_4007 == req.getElementType()) {
			return null;
		}
		if (UMLElementTypes.Realization_4010 == req.getElementType()) {
			return getGEFWrapper(new RealizationCreateCommand(req, req.getSource(), req.getTarget()));
		}
		if (UMLElementTypes.Generalization_4011 == req.getElementType()) {
			return getGEFWrapper(new Generalization2CreateCommand(req, req.getSource(), req.getTarget()));
		}
		if (UMLElementTypes.GeneralizationGeneral_4012 == req.getElementType()) {
			return null;
		}
		if (UMLElementTypes.Usage_4013 == req.getElementType()) {
			return getGEFWrapper(new UsageCreateCommand(req, req.getSource(), req.getTarget()));
		}
		if (UMLElementTypes.TemplateBinding_4016 == req.getElementType()) {
			return getGEFWrapper(new TemplateBindingCreateCommand(req, req.getSource(), req.getTarget()));
		}
		return null;
	}

	/**
	 * @generated
	 */
	protected Command getCompleteCreateRelationshipCommand(CreateRelationshipRequest req) {
		if (UMLElementTypes.Generalization_4001 == req.getElementType()) {
			return getGEFWrapper(new GeneralizationCreateCommand(req, req.getSource(), req.getTarget()));
		}
		if (UMLElementTypes.Dependency_4002 == req.getElementType()) {
			return getGEFWrapper(new DependencyLinkCreateCommand(req, req.getSource(), req.getTarget()));
		}
		if (UMLElementTypes.Property_4003 == req.getElementType()) {
			return getGEFWrapper(new PropertyLinkCreateCommand(req, req.getSource(), req.getTarget()));
		}
		if (UMLElementTypes.ConstraintConstrainedElement_4004 == req.getElementType()) {
			return getGEFWrapper(new ConstraintConstrainedElementCreateCommand(req, req.getSource(), req.getTarget()));
		}
		if (UMLElementTypes.Association_4005 == req.getElementType()) {
			return getGEFWrapper(new AssociationCreateCommand(req, req.getSource(), req.getTarget()));
		}
		if (UMLElementTypes.DependencySupplier_4006 == req.getElementType()) {
			return getGEFWrapper(new DependencySupplierCreateCommand(req, req.getSource(), req.getTarget()));
		}
		if (UMLElementTypes.DependencyClient_4007 == req.getElementType()) {
			return getGEFWrapper(new DependencyClientCreateCommand(req, req.getSource(), req.getTarget()));
		}
		if (UMLElementTypes.Realization_4010 == req.getElementType()) {
			return getGEFWrapper(new RealizationCreateCommand(req, req.getSource(), req.getTarget()));
		}
		if (UMLElementTypes.Generalization_4011 == req.getElementType()) {
			return null;
		}
		if (UMLElementTypes.GeneralizationGeneral_4012 == req.getElementType()) {
			return getGEFWrapper(new GeneralizationGeneralCreateCommand(req, req.getSource(), req.getTarget()));
		}
		if (UMLElementTypes.Usage_4013 == req.getElementType()) {
			return getGEFWrapper(new UsageCreateCommand(req, req.getSource(), req.getTarget()));
		}
		if (UMLElementTypes.TemplateBinding_4016 == req.getElementType()) {
			return getGEFWrapper(new TemplateBindingCreateCommand(req, req.getSource(), req.getTarget()));
		}
		return null;
	}

	/**
	 * Returns command to reorient EClass based link. New link target or source
	 * should be the domain model element associated with this node.
	 * 
	 * @generated
	 */
	protected Command getReorientRelationshipCommand(ReorientRelationshipRequest req) {
		switch (getVisualID(req)) {
		case GeneralizationEditPart.VISUAL_ID:
			return getGEFWrapper(new GeneralizationReorientCommand(req));
		case Dependency2EditPart.VISUAL_ID:
			return getGEFWrapper(new DependencyLinkReorientCommand(req));
		case Property7EditPart.VISUAL_ID:
			return getGEFWrapper(new PropertyLinkReorientCommand(req));
		case AssociationEditPart.VISUAL_ID:
			return getGEFWrapper(new AssociationReorientCommand(req));
		case RealizationEditPart.VISUAL_ID:
			return getGEFWrapper(new RealizationReorientCommand(req));
		case Generalization2EditPart.VISUAL_ID:
			return getGEFWrapper(new Generalization2ReorientCommand(req));
		case UsageEditPart.VISUAL_ID:
			return getGEFWrapper(new UsageReorientCommand(req));
		case TemplateBindingEditPart.VISUAL_ID:
			return getGEFWrapper(new TemplateBindingReorientCommand(req));
		}
		return super.getReorientRelationshipCommand(req);
	}

	/**
	 * Returns command to reorient EReference based link. New link target or source
	 * should be the domain model element associated with this node.
	 * 
	 * @generated
	 */
	protected Command getReorientReferenceRelationshipCommand(ReorientReferenceRelationshipRequest req) {
		switch (getVisualID(req)) {
		case ConstraintConstrainedElementEditPart.VISUAL_ID:
			return getGEFWrapper(new ConstraintConstrainedElementReorientCommand(req));
		case DependencySupplierEditPart.VISUAL_ID:
			return getGEFWrapper(new DependencySupplierReorientCommand(req));
		case DependencyClientEditPart.VISUAL_ID:
			return getGEFWrapper(new DependencyClientReorientCommand(req));
		case GeneralizationGeneralEditPart.VISUAL_ID:
			return getGEFWrapper(new GeneralizationGeneralReorientCommand(req));
		}
		return super.getReorientReferenceRelationshipCommand(req);
	}

}