/*

* Copyright (c) 2008-2010 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.mj.impl.installer.ui.eswt;

import com.nokia.mj.impl.installer.ui.ApplicationInfo;

import com.nokia.mj.impl.installer.ui.LaunchAppInfo;

import java.io.InputStream;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.FocusEvent;

import org.eclipse.swt.events.FocusListener;

import org.eclipse.swt.events.KeyEvent;

import org.eclipse.swt.graphics.Image;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Control;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Event;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Listener;

/**

 * LaunchAppQueryView asks from the user if the application should be launched.

 */

public class LaunchAppQueryView extends ConfirmationViewBase

{

    private LaunchAppInfo iLaunchAppInfo = null;

    private Button iDefaultButton = null;

    /** Constructor */

    protected LaunchAppQueryView()

    {

        super();

    }

    /** Constructor */

    protected LaunchAppQueryView(InstallerUiEswt aInstaller, Composite aParent)

    {

        super(aInstaller, aParent, 1);

        setTitle(InstallerUiTexts.get(InstallerUiTexts.INSTALLATION_COMPLETE));

        setCommands(InstallerUiTexts.get(InstallerUiTexts.START),

                    InstallerUiTexts.get(InstallerUiTexts.CLOSE));

    }

    /** Show launch app query. */

    public boolean launchAppQuery(LaunchAppInfo aLaunchAppInfo)

    {

        if (isDisposed() || aLaunchAppInfo == null)

        {

            return false;

        }

        iLaunchAppInfo = aLaunchAppInfo;

        // Use confirm() from super class to display the view.

        boolean result = confirm();

        // Return the result to the client.

        return result;

    }

    protected void createView()

    {

        GridData gridData = null;

        int labelStyle = SWT.WRAP;

        // Add title.

        String title = InstallerUiTexts.get

                       (InstallerUiTexts.INSTALLATION_COMPLETE);

        Label titleLabel = createLabel(title, getColumns(), labelStyle);

        ApplicationInfo[] applications = iLaunchAppInfo.getApplications();

        if (applications != null)

        {

            // Load suite icon if it is available.

            InputStream suiteIconInputStream =

                iLaunchAppInfo.getSuiteIconInputStream();

            Image suiteIcon = null;

            if (suiteIconInputStream != null)

            {

                suiteIcon = InstallerUiEswt.loadImage

                            (getComposite().getDisplay(), suiteIconInputStream,

                             iLaunchAppInfo.getSuiteIconPath());

            }

            InputStream[] appIconInputStreams =

                iLaunchAppInfo.getAppIconInputStreams();

            Button[] appButtons = new Button[applications.length];

            for (int i = 0; i < applications.length; i++)

            {

                // Load application icon if it is available.

                Image appIcon = null;

                if (appIconInputStreams != null &&

                        appIconInputStreams.length > i &&

                        appIconInputStreams[i] != null)

                {

                    appIcon = InstallerUiEswt.loadImage

                              (getComposite().getDisplay(), appIconInputStreams[i],

                               applications[i].getIconPath());

                }

                if (appIcon == null && suiteIcon != null)

                {

                    appIcon = suiteIcon;

                }

                // Add launch button for each application.

                appButtons[i] = new Button(getComposite(), SWT.PUSH);

                gridData = new GridData(GridData.FILL_HORIZONTAL);

                appButtons[i].setLayoutData(gridData);

                appButtons[i].setText(applications[i].getName());

                appButtons[i].setImage(appIcon);

                // Add listeners for the launch button.

                final int index = i;

                appButtons[i].addListener(SWT.Selection, new Listener()

                {

                    public void handleEvent(Event aEvent)

                    {

                        iLaunchAppInfo.setSelection(index);

                        confirmOk();

                    }

                });

                appButtons[i].addFocusListener(new FocusListener()

                {

                    public void focusGained(FocusEvent aEvent)

                    {

                        getScrolledComposite().showControl(

                            (Control)aEvent.widget);

                        if (!userHasAnswered())

                        {

                            iLaunchAppInfo.setSelection(index);

                        }

                    }

                    public void focusLost(FocusEvent aEvent)

                    {

                        // nop

                    }

                });

                addSoftKeyListenerFor(appButtons[i]);

            }

            iDefaultButton = appButtons[0];

        }

    }

    /**

     * This method is called after user has answered to query.

     */

    protected void getDataFromView()

    {

        // User selection data is initialized in button listeners.

    }

    /**

     * Returns true if the View should have focus after it has been opened.

     */

    protected boolean forceFocusToView()

    {

        return false;

    }

    /**

     * Returns SWT style for this view.

     */

    protected int getStyle()

    {

        return SWT.V_SCROLL;

    }

    /**

     * Called after view and commands have been created. Subclasses

     * can overrride this method to set focus to their own default

     * commands.

     */

    protected void setDefaultCommand()

    {

        if (iDefaultButton != null)

        {

            iDefaultButton.setFocus();

            getShell().setDefaultButton(iDefaultButton);

        }

    }

}