/*******************************************************************************
* Copyright (c) 2012 BestSolution.at 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:
* Tom Schindl<tom.schindl@bestsolution.at> - initial API and implementation
*******************************************************************************/
package at.bestsolution.efxclipse.runtime.workbench.renderers.base;
import javax.inject.Inject;
import org.eclipse.e4.core.contexts.IEclipseContext;
import org.eclipse.e4.ui.di.UISynchronize;
import org.eclipse.e4.ui.model.application.ui.MUIElement;
import org.eclipse.e4.ui.model.application.ui.menu.MMenuItem;
import org.eclipse.e4.ui.model.application.ui.menu.impl.MenuPackageImpl;
import at.bestsolution.efxclipse.runtime.workbench.renderers.base.widget.WMenuItem;
import at.bestsolution.efxclipse.runtime.workbench.renderers.base.widget.WWidget.WidgetState;
@SuppressWarnings("restriction")
public abstract class BaseMenuItemRenderer<N> extends BaseItemRenderer<MMenuItem, WMenuItem<N>> {
@Inject
UISynchronize sync;
@Override
protected void initWidget(final MMenuItem element, WMenuItem<N> widget) {
super.initWidget(element, widget);
final IEclipseContext modelContext = getModelContext(element);
widget.setOnActionCallback(new Runnable() {
@Override
public void run() {
executeAction(element,modelContext.getActiveLeaf());
}
});
}
@Override
protected void initRenderingContext(MMenuItem element, IEclipseContext context) {
super.initRenderingContext(element, context);
context.set(MenuPackageImpl.Literals.ITEM__TYPE.getName(), element.getType());
}
@Override
public void doProcessContent(MMenuItem element) {
// TODO Auto-generated method stub
}
@Override
public void childRendered(MMenuItem parentElement, MUIElement element) {
}
@Override
public void hideChild(MMenuItem container, MUIElement changedObj) {
}
@Override
public void checkEnablement(final MMenuItem menuElement) {
@SuppressWarnings("unchecked")
final WMenuItem<N> widget = (WMenuItem<N>) menuElement.getWidget();
// can we call canExecute in the none ui thread????
sync.asyncExec(new Runnable() {
@Override
public void run() {
try {
IEclipseContext context = getModelContext(menuElement);
if( context != null && (widget.getWidgetState() == WidgetState.CREATED || widget.getWidgetState() == WidgetState.IN_SETUP ) ) {
widget.setHandled(canExecute(menuElement, context));
}
} catch(Throwable t) {
//TODO Log it
t.printStackTrace();
}
}
});
}
}