/*******************************************************************************
 * Copyright (c) 2008,2009,2010 Ketan Padegaonkar 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:
 *     Ketan Padegaonkar - initial API and implementation
 *     Ketan Patel - https://bugs.eclipse.org/bugs/show_bug.cgi?id=259837
 *     Ralf Ebert www.ralfebert.de - (bug 271630) SWTBot Improved RCP / Workbench support
 *     Ralf Ebert - (bug 294452) - SWTBotEditor does not pass an IProgressMonitor when saving an editor
 *     Ketan Padegaonkar - (bug 260088) Support for MultiPageEditorPart
 *******************************************************************************/
package org.eclipse.swtbot.eclipse.finder.widgets;

import static org.eclipse.swtbot.swt.finder.finders.UIThreadRunnable.syncExec;

import org.eclipse.swtbot.eclipse.finder.SWTWorkbenchBot;
import org.eclipse.swtbot.swt.finder.exceptions.WidgetNotFoundException;
import org.eclipse.swtbot.swt.finder.finders.UIThreadRunnable;
import org.eclipse.swtbot.swt.finder.results.Result;
import org.eclipse.swtbot.swt.finder.results.VoidResult;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IEditorReference;
import org.hamcrest.SelfDescribing;

/**
 * This represents an Eclipse workbench editor part.
 * 
 * @author Ketan Padegaonkar &lt;KetanPadegaonkar [at] gmail [dot] com&gt;
 * @author Ralf Ebert www.ralfebert.de (bug 271630)
 * @version $Id$
 */
public class SWTBotEditor extends SWTBotWorkbenchPart<IEditorReference> {

	/**
	 * Constructs an instance for the given editorReference.
	 * 
	 * @param editorReference the editor reference.
	 * @param bot the instance of {@link SWTWorkbenchBot} which will be used to drive operations on behalf of this
	 *            object.
	 * @throws WidgetNotFoundException if the widget is <code>null</code> or widget has been disposed.
	 * @since 2.0
	 */
	public SWTBotEditor(IEditorReference editorReference, SWTWorkbenchBot bot) throws WidgetNotFoundException {
		super(editorReference, bot);
	}

	/**
	 * Constructs an instance for the given editorReference.
	 * 
	 * @param editorReference the part reference.
	 * @param bot the helper bot.
	 * @param description the description of the editor part.
	 */
	public SWTBotEditor(IEditorReference editorReference, SWTWorkbenchBot bot, SelfDescribing description) {
		super(editorReference, bot, description);
	}

	public boolean isActive() {
		return bot.activeEditor().partReference == partReference;
	}

	public void setFocus() {
		syncExec(new VoidResult() {
			public void run() {
				IEditorPart editor = partReference.getEditor(true);
				editor.setFocus();
			}
		});
	}

	/**
	 * Save the editor and close it.
	 */
	public void saveAndClose() {
		save();
		close();
	}

	public void close() {
		UIThreadRunnable.syncExec(new VoidResult() {
			public void run() {
				partReference.getPage().closeEditor(partReference.getEditor(false), false);
			}
		});
	}

	/**
	 * Save the editor.
	 */
	public void save() {
		UIThreadRunnable.syncExec(new VoidResult() {
			public void run() {
				IEditorPart editor = partReference.getEditor(false);
				partReference.getPage().saveEditor(editor, false);
			}
		});
	}

	/**
	 * Shows the editor if it is visible.
	 */
	public void show() {
		UIThreadRunnable.syncExec(new VoidResult() {
			public void run() {
				IEditorPart editor = partReference.getEditor(true);
				partReference.getPage().activate(editor);
			}
		});
	}

	/**
	 * Returns true if the editor is dirty.
	 * 
	 * @return dirty state of editor
	 */
	public boolean isDirty() {
		return UIThreadRunnable.syncExec(new Result<Boolean>() {
			public Boolean run() {
				return partReference.isDirty();
			}
		});
	}

	/**
	 * @return an extended version of the editor bot which provides methods for text editors.
	 * @throws WidgetNotFoundException if this is not a text editor
	 */
	public SWTBotEclipseEditor toTextEditor() {
		return new SWTBotEclipseEditor(this.partReference, this.bot);
	}

}