/**
* Copyright (c) 2011 committers of YAKINDU and others.
* 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:
* committers of YAKINDU - initial API and implementation
*
*/
package org.yakindu.sct.ui.editor.submachine;
import java.util.Collection;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.services.decorator.Decoration;
import org.eclipse.gmf.runtime.diagram.ui.services.decorator.IDecoratorProvider;
import org.eclipse.gmf.runtime.diagram.ui.services.decorator.IDecoratorTarget;
import org.eclipse.gmf.runtime.diagram.ui.services.decorator.IDecoratorTarget.Direction;
import org.eclipse.gmf.runtime.notation.BooleanValueStyle;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.swt.graphics.Image;
import org.eclipse.xtext.EcoreUtil2;
import org.yakindu.base.gmf.runtime.decorators.AbstractDecoratorProvider;
import org.yakindu.sct.model.sgraph.State;
import org.yakindu.sct.ui.editor.StatechartImages;
import org.yakindu.sct.ui.editor.partitioning.DiagramPartitioningUtil;
import org.yakindu.sct.ui.editor.utils.GMFNotationUtil;
/**
*
* @author andreas muelder - Initial contribution and API
*
*/
public class SubmachineDecorationProvider extends AbstractDecoratorProvider implements IDecoratorProvider {
protected static final String DECORATOR_KEY = SubmachineDecorator.class.getSimpleName();
public void createDecorators(IDecoratorTarget decoratorTarget) {
Object adapter = decoratorTarget.getAdapter(EObject.class);
if (adapter instanceof State)
decoratorTarget.installDecorator(DECORATOR_KEY, new SubmachineDecorator(decoratorTarget));
}
public static class SubmachineDecorator extends SubStateDecorator {
public SubmachineDecorator(IDecoratorTarget decoratorTarget) {
super(decoratorTarget);
}
@Override
protected boolean shouldDecorate(State state) {
IGraphicalEditPart adapter = (IGraphicalEditPart) getDecoratorTarget().getAdapter(IGraphicalEditPart.class);
BooleanValueStyle style = GMFNotationUtil.getBooleanValueStyle(adapter.getNotationView(),
DiagramPartitioningUtil.INLINE_STYLE);
return style == null ? false : !style.isBooleanValue();
}
@Override
protected Image getDecorationImage(State state) {
return StatechartImages.SUB_STATECHART_PICTOGRAM.image();
}
@Override
protected Diagram getTooltipDiagramToRender(State state) {
return getDiagramForSemanticElement(state);
}
private Diagram getDiagramForSemanticElement(EObject state) {
Collection<Diagram> diagrams = EcoreUtil2.getObjectsByType(state.eResource().getContents(),
NotationPackage.Literals.DIAGRAM);
for (Diagram diagram : diagrams) {
if (EcoreUtil.equals(diagram.getElement(), state)) {
return diagram;
}
}
return null;
}
@Override
protected void mousePressed(Decoration decoration, EObject semanticElement) {
Diagram diagramToOpen = getDiagramForSemanticElement(semanticElement);
DiagramPartitioningUtil.openEditor(diagramToOpen);
}
@Override
protected Direction getDecoratorPosition() {
return IDecoratorTarget.Direction.SOUTH_EAST;
}
State asState(EObject o) {
return (o instanceof State) ? (State) o : null;
}
}
}