Laboratoire ICAR » Plateforme TXM

// Copyright © 2010-2013 ENS de Lyon.

// Copyright © 2007-2010 ENS de Lyon, CNRS, INRP, University of

// Lyon 2, University of Franche-Comté, University of Nice

// Sophia Antipolis, University of Paris 3.

// 

// The TXM platform 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 2 of the License, or (at your option) any

// later version.

// 

// The TXM platform 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 the TXM platform. If not, see

// http://www.gnu.org/licenses.

// 

// 

// 

// $LastChangedDate:$

// $LastChangedRevision:$

// $LastChangedBy:$ 

//

package org.txm.rcp.commands.link;

import java.util.List;

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.osgi.util.NLS;

import org.eclipse.ui.IWorkbenchPage;

import org.eclipse.ui.PartInitException;

import org.eclipse.ui.handlers.HandlerUtil;

import org.txm.concordance.rcp.editors.ConcordanceEditor;

import org.txm.concordance.rcp.editors.ConcordanceEditorInput;

import org.txm.functions.ReferencePattern;

import org.txm.functions.referencer.Referencer;

import org.txm.functions.referencer.Referencer.Line;

import org.txm.rcp.Messages;

import org.txm.rcp.editors.referencer.ReferencerEditor;

import org.txm.searchengine.cqp.corpus.Corpus;

import org.txm.searchengine.cqp.corpus.Property;

import org.txm.searchengine.cqp.corpus.query.Query;

// TODO: Auto-generated Javadoc

/**

 * The Class ReferencerToConc.

 */

public class ReferencerToConc extends AbstractHandler {

	/* (non-Javadoc)

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

	 */

	@Override

	public Object execute(ExecutionEvent event) throws ExecutionException {

		IStructuredSelection selection = (IStructuredSelection) HandlerUtil

		.getActiveWorkbenchWindow(event).getActivePage().getSelection();

		ReferencerEditor refeditor = (ReferencerEditor) HandlerUtil

		.getActiveWorkbenchWindow(event).getActivePage()

		.getActivePart();

		return link(refeditor, selection);

	}

	/**

	 * Link.

	 *

	 * @param refeditor the refeditor

	 * @param iSelection the selection

	 * @return the object

	 */

	public static Object link(ReferencerEditor refeditor, ISelection iSelection)

	{

		IStructuredSelection selection = (IStructuredSelection) iSelection;

		String query = getQuery(selection);

		if (query.length() == 0)

			return null;

		Corpus corpus = refeditor.getCorpus();

		ConcordanceEditorInput editorInput = new ConcordanceEditorInput(

				corpus, null);

		IWorkbenchPage page = refeditor.getEditorSite().getWorkbenchWindow()

		.getActivePage();

		try {

			ConcordanceEditor conceditor = (ConcordanceEditor) page

			.openEditor(editorInput,

					"ConcordanceEditor"); //$NON-NLS-1$

			conceditor.setQuery(query);

			ReferencePattern rp = new ReferencePattern();

			for(Property p : refeditor.getReferencer().getPattern())

				rp.addProperty(p);

			conceditor.setRefViewPattern(rp);

			conceditor.compute();

		} catch (PartInitException e) {

			System.err.println(NLS.bind(Messages.GetConcordances_4, e));

		}

		return null;

	}

	/**

	 * Gets the query.

	 *

	 * @param selection the selection

	 * @return the query

	 */

	private static String getQuery(IStructuredSelection selection) {

		String query = ""; //$NON-NLS-1$

		Line fline = (Line) selection.getFirstElement();

		Referencer ref = fline.getReferencer();

		int nbToken = 1;

		List<Line> lines = selection.toList();

		Property prop = ref.getProperty();

		for (int t = 0; t < nbToken; t++) 

		{

			query += "["+prop + "=\""; //$NON-NLS-1$ //$NON-NLS-2$

			for (Line line : lines) {

				String s = line.getPropValue();

				s = Query.addBackSlash(s);

				query += s + "|"; //$NON-NLS-1$

			}

			query = query.substring(0, query.length() - 1);

			query += "\"] "; //$NON-NLS-1$

		}

		query = query.substring(0, query.length() - 1);

		return query;

	}

}