com.foosbar.mailsnag.commands.MarkUnRead.java Source code

Introduction

Here is the source code for com.foosbar.mailsnag.commands.MarkUnRead.java

Source

/*******************************************************************************
 * Copyright (c) 2010-2013 Foos-Bar.com
 * 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:
 * Kevin Kelley - initial API and implementation
 *******************************************************************************/
package com.foosbar.mailsnag.commands;

import java.util.Iterator;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.handlers.HandlerUtil;

import com.foosbar.mailsnag.model.Message;
import com.foosbar.mailsnag.views.MessageContentProvider;
import com.foosbar.mailsnag.views.MessagesView;

/**
 * Handler for marking a message "un-read". From the view standpoint, the
 * message entry text will be updated in bold.
 * 
 * @author kkelley (dev@foos-bar.com)
 * 
 */
public class MarkUnRead extends AbstractStatusCommand {

    /**
     * Main execution
     */
    public Object execute(ExecutionEvent event) throws ExecutionException {

        IWorkbenchPart part = HandlerUtil.getActivePart(event);

        if (part instanceof MessagesView) {

            final MessagesView viewer = (MessagesView) part;

            viewer.showLogo();

            // Get collection of messages to mark as unread
            IStructuredSelection iss = (IStructuredSelection) HandlerUtil.getCurrentSelection(event);

            // Get Content Provider
            MessageContentProvider provider = (MessageContentProvider) viewer.getViewer().getContentProvider();

            for (Iterator<Object> it = iss.iterator(); it.hasNext();) {
                Message m = getMessage(it.next());
                if (m != null) {
                    provider.setUnRead(m);
                }
            }
        }
        return null;
    }
}