/* 
 * Copyright (c) 2006 Stiftung Deutsches Elektronen-Synchroton, 
 * Member of the Helmholtz Association, (DESY), HAMBURG, GERMANY.
 *
 * THIS SOFTWARE IS PROVIDED UNDER THIS LICENSE ON AN "../AS IS" BASIS. 
 * WITHOUT WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED 
 * TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR PARTICULAR PURPOSE AND 
 * NON-INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE 
 * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR 
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. SHOULD THE SOFTWARE PROVE DEFECTIVE 
 * IN ANY RESPECT, THE USER ASSUMES THE COST OF ANY NECESSARY SERVICING, REPAIR OR 
 * CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. 
 * NO USE OF ANY SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER THIS DISCLAIMER.
 * DESY HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, 
 * OR MODIFICATIONS.
 * THE FULL LICENSE SPECIFYING FOR THE SOFTWARE THE REDISTRIBUTION, MODIFICATION, 
 * USAGE AND OTHER RIGHTS AND OBLIGATIONS IS INCLUDED WITH THE DISTRIBUTION OF THIS 
 * PROJECT IN THE FILE LICENSE.HTML. IF THE LICENSE IS NOT INCLUDED YOU MAY FIND A COPY 
 * AT HTTP://WWW.DESY.DE/LEGAL/LICENSE.HTM
 */
package org.csstudio.sds.ui.wizards;

import org.csstudio.sds.internal.rules.RuleService;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.ui.INewWizard;
import org.eclipse.ui.IWorkbench;

/**
 * A wizard for creating new SDS script rules.
 * 
 * @author Alexander Will
 * @version $Revision: 1.2 $
 * 
 */
public final class NewScriptRuleWizard extends Wizard implements INewWizard {
	/**
	 * This wizard page is used to enter the file name and the target
	 * project/folder for the new script rule.
	 */
	private NewScriptRuleWizardPage _sdsScriptRulePage;

	/**
	 * The current selection.
	 */
	private IStructuredSelection _selection;

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void addPages() {
		_sdsScriptRulePage = new NewScriptRuleWizardPage("sdsScriptRule", //$NON-NLS-1$
				_selection);
		addPage(_sdsScriptRulePage);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public boolean performFinish() {
		boolean result = true;
		IFile file = _sdsScriptRulePage.createNewFile();

		if (file == null) {
			result = false;
		}

		return result;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void init(final IWorkbench workbench,
			final IStructuredSelection selection) {
		_selection = selection;

		setDefaultSelection();
	}

	/**
	 * Set the active workspace project selection to the default SDS script rule
	 * project.
	 */
	private void setDefaultSelection() {
		IProject p = ResourcesPlugin.getWorkspace().getRoot().getProject(
				RuleService.SCRIPT_PROJECT_NAME);
		if (p.exists()) {
			_selection = new StructuredSelection(p);
		}
	}

}