/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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.cdt.internal.debug.launch.newwizard;

import java.text.MessageFormat;

import java.util.ArrayList;

import org.eclipse.core.runtime.IStatus;

import org.eclipse.core.runtime.Status;

import org.eclipse.jface.layout.GridDataFactory;

import org.eclipse.jface.layout.GridLayoutFactory;

import org.eclipse.jface.wizard.WizardPage;

import org.eclipse.swt.SWT;

import org.eclipse.swt.widgets.Composite;

import com.nokia.cdt.internal.debug.launch.LaunchPlugin;

import com.nokia.cdt.internal.debug.launch.newwizard.IWizardSection.ISectionChangeListener;

/**

 * This page presents three sections:

 * <p>

 * Connection to use:  container for the Remote Connection selection UI, plus a label

 * explaining how to handle the case of no connections defined.

 * <p>

 * Debug process: section explaining how the launch will happen, with a combo

 * allowing selecting different process to launch, and a button allowing more

 * in-depth configuration.

 * <p>

 * Build before debug: section with the build-before-debug preference for this

 * launch configuration.

 */

public class UnifiedLaunchOptionsPage extends WizardPage implements ISectionChangeListener {

	private final LaunchWizardData data;

	private ArrayList<IWizardSection> sections;

	/**

	 * @param mmps

	 * @param exes

	 * @param defaultExecutable

	 * @param project

	 * @param configurationName

	 */

	public UnifiedLaunchOptionsPage(LaunchWizardData data) {

		super("Configure Launch Settings");

		setDescription("Configure the connection and process to launch.");

		this.data = data;

		this.sections = new ArrayList<IWizardSection>();

		IWizardSection section;

		section = new ConnectToDeviceSection(data, this);

		sections.add(section);

		sections.add(section);

		sections.add(section);

	}

	/* (non-Javadoc)

	 * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)

	 */

	public void createControl(Composite parent) {

		Composite composite = new Composite(parent, SWT.NONE);

		GridLayoutFactory.fillDefaults().applyTo(composite);

		setPageComplete(false);

		for (IWizardSection section : sections) {

			section.createControl(composite);

			section.setChangeListener(this);

			GridDataFactory.fillDefaults().grab(true, true).applyTo(section.getControl());

		}

		setControl(composite);

	}

	/**

	 * @return

	 */

	public void validatePage() {

		setMessage(null, INFORMATION);

		setErrorMessage(null);

		setPageComplete(true);

		IStatus pageStatus = null;

		// validate the subsections

		StringBuilder builder = new StringBuilder();

		int severity = IStatus.OK;

		for (IWizardSection section : sections) {

			IStatus status = section.getStatus();

			if (status.isOK())

				continue;

			if (builder.length() > 0)

				builder.append("\n");

			builder.append(MessageFormat.format("{0}: {1}",

					section.getSectionName(), 

					status.getMessage()));

			severity = Math.max(severity, status.getSeverity());

		}

		if (severity != 0 || builder.length() > 0) {

			// error from one or more sections

			pageStatus = new Status(severity, LaunchPlugin.PLUGIN_ID, builder.toString());

		} else {

			// sections are good; validate the page as a whole

			pageStatus = data.validate();

		}

		setTitle("Configure launch configuration");

		if (pageStatus != null && !pageStatus.isOK()) {

			setMessage(pageStatus.getMessage(), severityToMsgType(pageStatus.getSeverity()));

			setPageComplete(false);

		}

	}

	private int severityToMsgType(int severity) {

		switch (severity) {

		case IStatus.OK:

		case IStatus.INFO:

			return INFORMATION;

		case IStatus.WARNING:

			return WARNING;

		case IStatus.ERROR:

		default:

			return ERROR;

		}

	}

	/*

	private String getSeverityTag(int severity) {

		if (severity == IStatus.OK || severity == IStatus.INFO || severity == IStatus.CANCEL)

			return "";

		if (severity == IStatus.WARNING)

			return "warning";

		return "error";

	}

	*/

	public void initializeSettings() {

		for (IWizardSection section : sections) {

			section.initializeSettings();

		}

		validatePage();

	}

	/* (non-Javadoc)

	 * @see com.nokia.cdt.internal.debug.launch.wizard2.IWizardSection.ISectionChangeListener#changed()

	 */

	public void changed() {

		validatePage();

	}

}