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/*
*
*/
package comrel.diagram.edit.policies;
import java.util.Iterator;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.common.core.command.ICompositeCommand;
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.requests.CreateElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
import org.eclipse.gmf.runtime.notation.Edge;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.View;
import comrel.diagram.edit.commands.SingleInputPort9CreateCommand;
import comrel.diagram.edit.parts.MultiSinglePortMappingEditPart;
import comrel.diagram.edit.parts.SingleInputPort9EditPart;
import comrel.diagram.edit.parts.SinglePortMappingEditPart;
import comrel.diagram.part.ComrelVisualIDRegistry;
import comrel.diagram.providers.ComrelElementTypes;
/**
* @generated
*/
public class AtomicUnit3ItemSemanticEditPolicy extends
ComrelBaseItemSemanticEditPolicy {
/**
* @generated
*/
public AtomicUnit3ItemSemanticEditPolicy() {
super(ComrelElementTypes.AtomicUnit_3049);
}
/**
* @generated
*/
protected Command getCreateCommand(CreateElementRequest req) {
if (ComrelElementTypes.SingleInputPort_3035 == req.getElementType()) {
return getGEFWrapper(new SingleInputPort9CreateCommand(req));
}
return super.getCreateCommand(req);
}
/**
* @generated
*/
protected Command getDestroyElementCommand(DestroyElementRequest req) {
View view = (View) getHost().getModel();
CompositeTransactionalCommand cmd = new CompositeTransactionalCommand(
getEditingDomain(), null);
cmd.setTransactionNestingEnabled(false);
EAnnotation annotation = view.getEAnnotation("Shortcut"); //$NON-NLS-1$
if (annotation == null) {
// there are indirectly referenced children, need extra commands: false
addDestroyChildNodesCommand(cmd);
addDestroyShortcutsCommand(cmd, view);
// delete host element
cmd.add(new DestroyElementCommand(req));
} else {
cmd.add(new DeleteCommand(getEditingDomain(), view));
}
return getGEFWrapper(cmd.reduce());
}
/**
* @generated
*/
private void addDestroyChildNodesCommand(ICompositeCommand cmd) {
View view = (View) getHost().getModel();
for (Iterator<?> nit = view.getChildren().iterator(); nit.hasNext();) {
Node node = (Node) nit.next();
switch (ComrelVisualIDRegistry.getVisualID(node)) {
case SingleInputPort9EditPart.VISUAL_ID:
for (Iterator<?> it = node.getTargetEdges().iterator(); it
.hasNext();) {
Edge incomingLink = (Edge) it.next();
if (ComrelVisualIDRegistry.getVisualID(incomingLink) == SinglePortMappingEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(
incomingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(),
incomingLink));
continue;
}
if (ComrelVisualIDRegistry.getVisualID(incomingLink) == MultiSinglePortMappingEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(
incomingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(),
incomingLink));
continue;
}
}
for (Iterator<?> it = node.getSourceEdges().iterator(); it
.hasNext();) {
Edge outgoingLink = (Edge) it.next();
if (ComrelVisualIDRegistry.getVisualID(outgoingLink) == SinglePortMappingEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(
outgoingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(),
outgoingLink));
continue;
}
}
cmd.add(new DestroyElementCommand(new DestroyElementRequest(
getEditingDomain(), node.getElement(), false))); // directlyOwned: true
// don't need explicit deletion of node as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), node));
break;
}
}
}
}
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