/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

package com.nokia.s60tools.crashanalyser.ui.editors;

import org.eclipse.swt.SWT;

import org.eclipse.swt.browser.Browser;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.ui.PlatformUI;

import com.nokia.s60tools.crashanalyser.files.CrashFile;

import com.nokia.s60tools.crashanalyser.files.SummaryFile;

import com.nokia.s60tools.crashanalyser.model.HtmlFormatter;

import com.nokia.s60tools.crashanalyser.resources.HelpContextIDs;

/**

 * Errors & Warnings page in Crash Visualiser editor. 

 *

 */

public class ErrorPage {

	SummaryFile crashFile = null;

	Browser browserMessages;

	/**

	 * Creates page

	 * @param parent composite

	 * @param file data file

	 * @return composite

	 */

	public Composite createPage(Composite parent, SummaryFile file) {

		crashFile = file;

		return doCreate(parent);

	}

	/**

	 * Creates page

	 * @param parent composite

	 * @return composite

	 */

	public Composite createPage(Composite parent) {

		return doCreate(parent);

	}

	/**

	 * Loads data from given file into UI elements.

	 * @param file crash file

	 */

	public void setFile(CrashFile file) {

		if (file != null) {

			crashFile = file;

			showMessages();

		}

	}

	/**

	 * Creates all UI elements to the page

	 * @param parent

	 * @return composite

	 */

	Composite doCreate(Composite parent) {

		GridLayout layout = new GridLayout();

		layout.numColumns = 1;

		parent.setLayout(layout);

		parent.setLayoutData(new GridData(GridData.FILL_BOTH));

		browserMessages = new Browser(parent, SWT.NONE);

		if (crashFile != null)

			showMessages();

		browserMessages.setLayoutData(new GridData(GridData.FILL_BOTH));

		PlatformUI.getWorkbench().getHelpSystem().setHelp(browserMessages,

				HelpContextIDs.CRASH_ANALYSER_HELP_CRASH_VISUALISER);			

		return parent;

	}

	/**

	 * Shows messages in UI

	 */

	void showMessages() {

		String errorsAndWarnings = HtmlFormatter.formatErrosAndWarnings(crashFile.getMessages());

		browserMessages.setText(HtmlFormatter.formatHtmlStyle(browserMessages.getFont(), errorsAndWarnings));

	}

}