EDIT

// $Id$

/**

* Copyright (C) 2007 EDIT

* European Distributed Institute of Taxonomy 

* http://www.e-taxonomy.eu

* 

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.taxeditor.bulkeditor.handler;

import java.beans.PropertyChangeEvent;

import java.util.Iterator;

import org.apache.log4j.Logger;

import org.eclipse.core.commands.AbstractHandler;

import org.eclipse.core.commands.ExecutionEvent;

import org.eclipse.core.commands.ExecutionException;

import org.eclipse.jface.text.TextSelection;

import org.eclipse.jface.viewers.ISelection;

import org.eclipse.swt.widgets.Event;

import org.eclipse.ui.handlers.HandlerUtil;

import eu.etaxonomy.cdm.model.common.AnnotatableEntity;

import eu.etaxonomy.cdm.model.common.CdmBase;

import eu.etaxonomy.cdm.model.common.Marker;

import eu.etaxonomy.cdm.model.common.MarkerType;

import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotation;

import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotationModel;

import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;

import eu.etaxonomy.taxeditor.model.LineSelection;

/**

 * <p>SetMarkerFlagTrueHandler class.</p>

 *

 * @author p.ciardelli

 * @created 20.10.2009

 * @version 1.0

 */

public class SetMarkerFlagTrueHandler extends AbstractHandler {

	private static final Logger logger = Logger

			.getLogger(SetMarkerFlagTrueHandler.class);

	/* (non-Javadoc)

	 * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)

	 */

	/** {@inheritDoc} */

	public Object execute(ExecutionEvent event) throws ExecutionException {

		Object data = ((Event) event.getTrigger()).data;

		if (HandlerUtil.getCurrentSelection(event) instanceof TextSelection 

					&& HandlerUtil.getActiveEditor(event) instanceof BulkEditor && data instanceof MarkerType) {

			TextSelection selection = (TextSelection) HandlerUtil.getCurrentSelection(event);

			BulkEditor editor = (BulkEditor) HandlerUtil.getActiveEditor(event);

			LineAnnotationModel model = (LineAnnotationModel) editor.getDocumentProvider().getAnnotationModel(editor.getEditorInput());

			if (model != null) {

				Iterator iter = model.getAnnotationIterator(selection.getOffset(), selection.getLength(), true, true);

				while (iter.hasNext()) {

					Object next = iter.next();

					if (next instanceof LineAnnotation) {

						Object entity = ((LineAnnotation) next).getEntity();

						createOrUpdateMarker((AnnotatableEntity) entity, (MarkerType) data, true);

						((CdmBase) entity).firePropertyChange(new PropertyChangeEvent(entity, "", null, null));

					}

				}

			}

		}

		return null;

	}

	/**

	 * @param entity

	 * @param publish

	 * @param b

	 */

	private void createOrUpdateMarker(AnnotatableEntity entity,

			MarkerType markerType, boolean flag) {

		for (Marker marker : entity.getMarkers()) {

			if (markerType.equals(marker.getMarkerType())) {

				marker.setFlag(flag);

				return;

			}

		}

		entity.addMarker(Marker.NewInstance(markerType, flag));

	}

}