/*******************************************************************************
 * Copyright (c) 2009, 2010 Alena Laskavaia 
 * 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:
 *    Alena Laskavaia  - initial API and implementation
 *******************************************************************************/
package org.eclipse.cdt.codan.internal.ui.actions;

import java.util.Iterator;

import org.eclipse.cdt.codan.core.CodanRuntime;
import org.eclipse.cdt.codan.internal.ui.CodanUIMessages;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;

public class RunCodeAnalysis implements IObjectActionDelegate {
	private ISelection sel;

	public void setActivePart(IAction action, IWorkbenchPart targetPart) {
		// nothing
	}

	public void run(IAction action) {
		Job job = new Job(CodanUIMessages.Job_TitleRunningAnalysis) {
			@SuppressWarnings("unchecked")
			@Override
			protected IStatus run(final IProgressMonitor monitor) {
				IStructuredSelection ss = (IStructuredSelection) sel;
				int count = ss.size();
				monitor.beginTask(getName(), count * 100);
				if (monitor.isCanceled())
					return Status.CANCEL_STATUS;
				for (Iterator iterator = ss.iterator(); iterator.hasNext();) {
					Object o = iterator.next();
					if (o instanceof IResource) {
						IResource res = (IResource) o;
						SubProgressMonitor subMon = new SubProgressMonitor(
								monitor, 100);
						CodanRuntime.getInstance().getBuilder()
								.processResource(res, subMon);
						if (subMon.isCanceled())
							return Status.CANCEL_STATUS;
					}
					if (monitor.isCanceled())
						return Status.CANCEL_STATUS;
				}
				return Status.OK_STATUS;
			}
		};
		job.setUser(true);
		job.schedule();
	}

	public void selectionChanged(IAction action, ISelection selection) {
		this.sel = selection;
	}
}