/*
* Copyright (c) 2012-2016 Marsha Chechik, Alessio Di Sandro, Michalis Famelis,
* Rick Salay.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Alessio Di Sandro - Implementation.
*/
package edu.toronto.cs.se.modelepedia.relationaldatabase.diagram.edit.parts;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gef.GraphicalEditPart;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.editpolicies.NonResizableEditPolicy;
import org.eclipse.gef.handles.MoveHandle;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
import org.eclipse.gmf.runtime.diagram.ui.editparts.DiagramEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.DiagramDragDropEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.NonResizableLabelEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest;
import org.eclipse.gmf.runtime.diagram.ui.requests.DropObjectsRequest;
import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.gmf.tooling.runtime.edit.policies.reparent.CreationEditPolicyWithCustomReparent;
import edu.toronto.cs.se.modelepedia.relationaldatabase.diagram.edit.commands.RelationalDatabaseCreateShortcutDecorationsCommand;
import edu.toronto.cs.se.modelepedia.relationaldatabase.diagram.edit.policies.RelationalDatabaseCanonicalEditPolicy;
import edu.toronto.cs.se.modelepedia.relationaldatabase.diagram.edit.policies.RelationalDatabaseItemSemanticEditPolicy;
import edu.toronto.cs.se.modelepedia.relationaldatabase.diagram.part.RelationalDatabaseVisualIDRegistry;
/**
* @generated
*/
public class RelationalDatabaseEditPart extends DiagramEditPart {
/**
* @generated
*/
public final static String MODEL_ID = "RelationalDatabase"; //$NON-NLS-1$
/**
* @generated
*/
public static final int VISUAL_ID = 1000;
/**
* @generated
*/
public RelationalDatabaseEditPart(View view) {
super(view);
}
/**
* @generated
*/
protected void createDefaultEditPolicies() {
super.createDefaultEditPolicies();
installEditPolicy(EditPolicyRoles.SEMANTIC_ROLE,
new RelationalDatabaseItemSemanticEditPolicy());
installEditPolicy(EditPolicyRoles.CANONICAL_ROLE,
new RelationalDatabaseCanonicalEditPolicy());
installEditPolicy(EditPolicyRoles.CREATION_ROLE,
new CreationEditPolicyWithCustomReparent(
RelationalDatabaseVisualIDRegistry.TYPED_INSTANCE));
installEditPolicy(EditPolicyRoles.DRAG_DROP_ROLE,
new DiagramDragDropEditPolicy() {
public Command getDropObjectsCommand(
DropObjectsRequest dropRequest) {
ArrayList<CreateViewRequest.ViewDescriptor> viewDescriptors = new ArrayList<CreateViewRequest.ViewDescriptor>();
for (Iterator<?> it = dropRequest.getObjects()
.iterator(); it.hasNext();) {
Object nextObject = it.next();
if (false == nextObject instanceof EObject) {
continue;
}
viewDescriptors
.add(new CreateViewRequest.ViewDescriptor(
new EObjectAdapter(
(EObject) nextObject),
Node.class, null,
getDiagramPreferencesHint()));
}
return createShortcutsCommand(dropRequest,
viewDescriptors);
}
private Command createShortcutsCommand(
DropObjectsRequest dropRequest,
List<CreateViewRequest.ViewDescriptor> viewDescriptors) {
Command command = createViewsAndArrangeCommand(
dropRequest, viewDescriptors);
if (command != null) {
return command
.chain(new ICommandProxy(
new RelationalDatabaseCreateShortcutDecorationsCommand(
getEditingDomain(),
(View) getModel(),
viewDescriptors)));
}
return null;
}
});
// removeEditPolicy(org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles.POPUPBAR_ROLE);
}
/**
* @generated
*/
/*package-local*/static class NodeLabelDragPolicy extends
NonResizableEditPolicy {
/**
* @generated
*/
@SuppressWarnings("rawtypes")
protected List createSelectionHandles() {
MoveHandle h = new MoveHandle((GraphicalEditPart) getHost());
h.setBorder(null);
return Collections.singletonList(h);
}
/**
* @generated
*/
public Command getCommand(Request request) {
return null;
}
/**
* @generated
*/
public boolean understandsRequest(Request request) {
return false;
}
}
/**
* @generated
*/
/*package-local*/static class LinkLabelDragPolicy extends
NonResizableLabelEditPolicy {
/**
* @generated
*/
@SuppressWarnings("rawtypes")
protected List createSelectionHandles() {
MoveHandle mh = new MoveHandle((GraphicalEditPart) getHost());
mh.setBorder(null);
return Collections.singletonList(mh);
}
}
}