/*******************************************************************************
* Copyright (c) 2006, 2014 Mountainminds GmbH & Co. KG and Contributors
* 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:
* Marc R. Hoffmann - initial API and implementation
*
******************************************************************************/
package com.mountainminds.eclemma.internal.ui.coverageview;
import java.util.Map;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.ui.commands.IElementUpdater;
import org.eclipse.ui.menus.UIElement;
import org.jacoco.core.analysis.ICoverageNode.ElementType;
/**
* Handler to selects the root elements shown in the coverage tree.
*/
class SelectRootElementsHandler extends AbstractHandler implements
IElementUpdater {
public static final String ID = "com.mountainminds.eclemma.ui.selectRootElements"; //$NON-NLS-1$
private static final String TYPE_PARAMETER = "type"; //$NON-NLS-1$
private final ViewSettings settings;
private final CoverageView view;
public SelectRootElementsHandler(ViewSettings settings, CoverageView view) {
this.settings = settings;
this.view = view;
}
public Object execute(ExecutionEvent event) throws ExecutionException {
final ElementType type = getType(event.getParameters());
settings.setRootType(type);
view.refreshViewer();
return null;
}
public void updateElement(UIElement element,
@SuppressWarnings("rawtypes") Map parameters) {
final ElementType type = getType(parameters);
element.setChecked(settings.getRootType().equals(type));
}
private ElementType getType(Map<?, ?> parameters) {
return ElementType.valueOf((String) parameters.get(TYPE_PARAMETER));
}
}