ActivateTextHandler.java

/*******************************************************************************
 * FreeQDA,  a software for professional qualitative research data 
 * analysis, such as interviews, manuscripts, journal articles, memos
 * and field notes.
 *
 * Copyright (C) 2011 Dirk Kitscha, Jörg große Schlarmann
 *
 * This program 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
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
package net.sf.freeqda.view.projectview.commands;

import net.sf.freeqda.common.projectmanager.ProjectManager;
import net.sf.freeqda.common.projectmanager.TextNode;
import net.sf.freeqda.view.projectview.ProjectViewer;

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.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.handlers.HandlerUtil;


public class ActivateTextHandler extends AbstractHandler {

	private static final ProjectManager PROJECT_MANAGER = ProjectManager.getInstance();

	@Override
	public Object execute(ExecutionEvent event) throws ExecutionException {

		/* 
		 * Get the view
		 */
		IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindow(event);
		IWorkbenchPage page = window.getActivePage();
		ProjectViewer view = (ProjectViewer) page.findView(ProjectViewer.ID);

		/*
		 *  Get the selection
		 */
		ISelection selection = view.getSite().getSelectionProvider().getSelection();
		if (selection != null && selection instanceof IStructuredSelection) {
			Object obj = ((IStructuredSelection) selection).getFirstElement();
			/*
			 * If we had a selection lets open the editor
			 */
			if ((obj != null) && (obj instanceof TextNode)) {
				
				TextNode selectedText = (TextNode) obj;
				PROJECT_MANAGER.toggleTextNodeActive(selectedText);

				/*
				 * Update the view
				 */
				view.refresh(selectedText.getCategory());
			}
		}

		
//		/* 
//		 * Get the view
//		 */
//		IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindow(event);
//		IWorkbenchPage page = window.getActivePage();
//		ProjectViewer view = (ProjectViewer) page.findView(ProjectViewer.ID);
//
//		/*
//		 *  Get the selection
//		 */
//		ISelection selection = view.getSite().getSelectionProvider().getSelection();
//		if (selection != null && selection instanceof IStructuredSelection) {
//			Object obj = ((IStructuredSelection) selection).getFirstElement();
//			/*
//			 * If we had a selection lets open the editor
//			 */
//			if ((obj != null) && (obj instanceof TextNode)) {
//				TextNode selectedText = (TextNode) obj;
//				PROJECT_MANAGER.toggleTextNodeActive(selectedText);
//
//				/*
//				 * Update the view
//				 */
//				view.refresh(selectedText.getCategory());
//			}
//			else {
//				throw new RuntimeException("Can only edit TextNodes!");
//			}
//		}
		return null;
	}
}