package org.eclipse.gmf.examples.ocldriven.toe.diagram.edit.policies;
import java.util.Iterator;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.edit.commands.ContributionCreateCommand;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.edit.commands.ContributionReorientCommand;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.edit.commands.ManagerLeadsCreateCommand;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.edit.commands.ManagerLeadsReorientCommand;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.edit.parts.ContributionEditPart;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.edit.parts.ManagerLeadsEditPart;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.part.TOEVisualIDRegistry;
import org.eclipse.gmf.examples.ocldriven.toe.diagram.providers.TOEElementTypes;
import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand;
import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand;
import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyReferenceCommand;
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.ReorientReferenceRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
import org.eclipse.gmf.runtime.notation.Edge;
import org.eclipse.gmf.runtime.notation.View;
/**
* @generated
*/
public class ProjectItemSemanticEditPolicy extends TOEBaseItemSemanticEditPolicy {
/**
* @generated
*/
public ProjectItemSemanticEditPolicy() {
super(TOEElementTypes.Project_2003);
}
/**
* @generated
*/
protected Command getDestroyElementCommand(DestroyElementRequest req) {
View view = (View) getHost().getModel();
CompositeTransactionalCommand cmd = new CompositeTransactionalCommand(getEditingDomain(), null);
cmd.setTransactionNestingEnabled(false);
for (Iterator<?> it = view.getTargetEdges().iterator(); it.hasNext();) {
Edge incomingLink = (Edge) it.next();
if (TOEVisualIDRegistry.getVisualID(incomingLink) == ManagerLeadsEditPart.VISUAL_ID) {
DestroyReferenceRequest r = new DestroyReferenceRequest(incomingLink.getSource().getElement(), null, incomingLink.getTarget().getElement(), false);
cmd.add(new DestroyReferenceCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), incomingLink));
continue;
}
if (TOEVisualIDRegistry.getVisualID(incomingLink) == ContributionEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(incomingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), incomingLink));
continue;
}
}
EAnnotation annotation = view.getEAnnotation("Shortcut"); //$NON-NLS-1$
if (annotation == null) {
// there are indirectly referenced children, need extra commands: false
addDestroyShortcutsCommand(cmd, view);
// delete host element
cmd.add(new DestroyElementCommand(req));
} else {
cmd.add(new DeleteCommand(getEditingDomain(), view));
}
return getGEFWrapper(cmd.reduce());
}
/**
* @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 (TOEElementTypes.ManagerLeads_4002 == req.getElementType()) {
return null;
}
if (TOEElementTypes.Contribution_4003 == req.getElementType()) {
return null;
}
return null;
}
/**
* @generated
*/
protected Command getCompleteCreateRelationshipCommand(CreateRelationshipRequest req) {
if (TOEElementTypes.ManagerLeads_4002 == req.getElementType()) {
return getGEFWrapper(new ManagerLeadsCreateCommand(req, req.getSource(), req.getTarget()));
}
if (TOEElementTypes.Contribution_4003 == req.getElementType()) {
return getGEFWrapper(new ContributionCreateCommand(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 ContributionEditPart.VISUAL_ID:
return getGEFWrapper(new ContributionReorientCommand(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 ManagerLeadsEditPart.VISUAL_ID:
return getGEFWrapper(new ManagerLeadsReorientCommand(req));
}
return super.getReorientReferenceRelationshipCommand(req);
}
}