/**
* Copyright (c) 2012 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.simulation.ui.view.decorator;
import org.eclipse.core.runtime.PlatformObject;
import org.eclipse.debug.core.DebugEvent;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.IDebugEventSetListener;
import org.eclipse.debug.core.model.IDebugTarget;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.debug.ui.contexts.DebugContextEvent;
import org.eclipse.debug.ui.contexts.IDebugContextListener;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.runtime.diagram.ui.services.decorator.IDecoratorTarget;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Display;
import org.yakindu.sct.model.sgraph.State;
import org.yakindu.sct.simulation.core.sruntime.ExecutionContext;
import org.yakindu.sct.ui.editor.submachine.SubmachineDecorationProvider;
/**
* Extends the SubmachineDecorationProvider with highlighting captabilities
*
* @author andreas muelder - Initial contribution and API
*
*/
public class HighlightingSubmachineDecorationProvider extends SubmachineDecorationProvider implements
IDebugContextListener, IDebugEventSetListener {
private static SimulationImageRenderer renderer = new SimulationImageRenderer();
protected IDebugTarget debugTarget;
public HighlightingSubmachineDecorationProvider() {
DebugUITools.getDebugContextManager().addDebugContextListener(this);
DebugPlugin.getDefault().addDebugEventListener(this);
}
public void createDecorators(IDecoratorTarget decoratorTarget) {
Object adapter = decoratorTarget.getAdapter(EObject.class);
if (adapter instanceof State)
decoratorTarget.installDecorator(DECORATOR_KEY, new HighlightingSubmachineDecorator(decoratorTarget));
}
public void handleDebugEvents(DebugEvent[] events) {
for (DebugEvent debugEvent : events) {
handleDebugEvent(debugEvent);
}
}
protected void handleDebugEvent(DebugEvent debugEvent) {
switch (debugEvent.getKind()) {
case DebugEvent.TERMINATE:
Display.getDefault().asyncExec(new Runnable() {
public void run() {
debugTarget = null;
}
});
break;
case DebugEvent.SUSPEND:
break;
case DebugEvent.RESUME:
break;
}
}
public void debugContextChanged(DebugContextEvent event) {
if ((event.getFlags() & DebugContextEvent.ACTIVATED) > 0) {
PlatformObject object = (PlatformObject) ((IStructuredSelection) event.getContext()).getFirstElement();
if (object == null)
return;
IDebugTarget newTarget = (IDebugTarget) object.getAdapter(IDebugTarget.class);
if (newTarget != debugTarget && newTarget != null && !newTarget.isTerminated()) {
debugTarget = newTarget;
}
}
}
public final class HighlightingSubmachineDecorator extends SubmachineDecorator {
public HighlightingSubmachineDecorator(IDecoratorTarget decoratorTarget) {
super(decoratorTarget);
}
@Override
protected Diagram getTooltipDiagramToRender(State state) {
Diagram diagram = super.getTooltipDiagramToRender(state);
if (debugTarget != null) {
// We have to to reload the diagram cause we change the styles
diagram = renderer.getDiagramCopy(diagram);
ExecutionContext context = (ExecutionContext) debugTarget.getAdapter(ExecutionContext.class);
renderer.highlightActiveStates(context, diagram);
}
return diagram;
}
}
}