/*******************************************************************************
 * Copyright (c) 2006, 2008 Wind River Systems, IBM Corporation and others.
 * 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:
 * Markus Schorn - initial API and implementation
 *******************************************************************************/
package org.eclipse.search2.internal.ui.text2;


import org.eclipse.core.runtime.CoreException;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;

import org.eclipse.ui.IEditorActionDelegate;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;

import org.eclipse.search.ui.ISearchQuery;
import org.eclipse.search.ui.text.TextSearchQueryProvider;


/**
 * @author markus.schorn@windriver.com
 */
abstract public class FindInRecentScopeActionDelegate extends RetrieverAction implements IWorkbenchWindowActionDelegate, IEditorActionDelegate {
	private IWorkbenchWindow fWindow;

	public FindInRecentScopeActionDelegate(String text) {
		setText(text);
	}

	// IWorkbenchWindowActionDelegate
	@Override
	public void dispose() {
		fWindow= null;
	}

	// IWorkbenchWindowActionDelegate
	@Override
	public void init(IWorkbenchWindow window) {
		fWindow= window;
	}

	// IEditorActionDelegate
	@Override
	public void setActiveEditor(IAction action, IEditorPart targetEditor) {
		fWindow= null;
		if (targetEditor != null) {
			fWindow= targetEditor.getSite().getWorkbenchWindow();
		}
	}

	// IActionDelegate
	@Override
	public void selectionChanged(IAction action, ISelection selection) {
	}

	// IActionDelegate
	@Override
	final public void run(IAction action) {
		run();
	}

	// RetrieverAction
	@Override
	protected IWorkbenchPage getWorkbenchPage() {
		if (fWindow != null) {
			return fWindow.getActivePage();
		}
		return null;
	}

	@Override
	abstract protected ISearchQuery createQuery(TextSearchQueryProvider provider, String searchForString) throws CoreException;
}