com.nextep.designer.synch.ui.handlers.IncludeComparisonItemHandler.java Source code

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Here is the source code for com.nextep.designer.synch.ui.handlers.IncludeComparisonItemHandler.java

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/*******************************************************************************
 * Copyright (c) 2011 neXtep Software and contributors.
 * All rights reserved.
 *
 * This file is part of neXtep designer.
 *
 * NeXtep designer is free software: you can redistribute it 
 * and/or modify it under the terms of the GNU General Public 
 * License as published by the Free Software Foundation, either 
 * version 3 of the License, or any later version.
 *
 * NeXtep designer is distributed in the hope that it will be 
 * useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Contributors:
 *     neXtep Softwares - initial API and implementation
 *******************************************************************************/
package com.nextep.designer.synch.ui.handlers;

import java.util.Iterator;
import org.apache.commons.collections.map.MultiValueMap;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.navigator.CommonNavigator;
import com.nextep.designer.core.CorePlugin;
import com.nextep.designer.core.model.IReferenceManager;
import com.nextep.designer.synch.ui.SynchUIPlugin;
import com.nextep.designer.synch.ui.services.ISynchronizationUIService;
import com.nextep.designer.vcs.model.ComparedElement;
import com.nextep.designer.vcs.model.IComparisonItem;

public class IncludeComparisonItemHandler extends AbstractHandler {

    @Override
    public Object execute(ExecutionEvent event) throws ExecutionException {
        ISelection s = HandlerUtil.getCurrentSelection(event);
        if (s instanceof IStructuredSelection) {
            final IStructuredSelection sel = (IStructuredSelection) s;
            final Iterator<?> it = sel.iterator();
            // Retrieving reverse dependencies
            final MultiValueMap invRefMap = CorePlugin.getService(IReferenceManager.class)
                    .getReverseDependenciesMap();
            // Selecting all items from the selection iteratively
            while (it.hasNext()) {
                Object selObject = it.next();
                if (selObject instanceof IComparisonItem) {
                    final IComparisonItem item = (IComparisonItem) selObject;
                    getSynchronizationService().selectProposal(item, ComparedElement.SOURCE, invRefMap);
                    getSynchronizationService().adjustParents(item.getParent());
                    if (item.getParent() != null) {
                        item.getParent().getMergeInfo().setMergeProposal(null);
                    }
                }
            }
            IWorkbenchPart part = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getPartService()
                    .getActivePart();
            if (part instanceof CommonNavigator) {
                ((CommonNavigator) part).getCommonViewer().refresh();
            }
        }
        return null;
    }

    private ISynchronizationUIService getSynchronizationService() {
        return SynchUIPlugin.getService(ISynchronizationUIService.class);
    }
}