MediaItemsScreen.java

/*******************************************************************************
 * Copyright (c) 2011-2012 Nokia Corporation
 * 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:
 * Comarch team - initial API and implementation
 *******************************************************************************/
package org.ned.client.view;

import com.sun.lwuit.Display;
import com.sun.lwuit.List;
import com.sun.lwuit.events.ActionEvent;
import com.sun.lwuit.events.ActionListener;
import com.sun.lwuit.events.SelectionListener;
import java.util.Vector;
import org.ned.client.Content;
import org.ned.client.NedMidlet;
import org.ned.client.command.*;
import org.ned.client.library.advanced.LibraryElement;
import org.ned.client.library.advanced.LibraryHelpers;
import org.ned.client.view.renderer.MediaItemsListCellRenderer;

public class MediaItemsScreen extends NedFormBase implements ActionListener, SelectionListener {

    private List mMediaList;

    public MediaItemsScreen( String id ) {
        super( id );
        setNedTitle( mNewLibModel != null ? mNewLibModel.getName() : " " );

        mMediaList = new List( mNewLibModel != null
                               ? LibraryHelpers.sortBy( mNewLibModel.getChildern(), NedMidlet.getSettingsManager().
                getSortBy() ) : new Vector( 0 ) );
        mMediaList.setFixedSelection( List.FIXED_NONE );
        mMediaList.setSelectedIndex( 0 );
        mMediaList.setRenderer( new MediaItemsListCellRenderer() );
        mMediaList.setPreferredW( Display.getInstance().getDisplayWidth() );
        mMediaList.addSelectionListener( this );
        addComponent( mMediaList );

        addGameKeyListener( Display.GAME_LEFT, this );
        addGameKeyListener( Display.GAME_FIRE, this );
        mMediaList.addActionListener( this );
        addCommandListener( this );
    }

    public MediaItemsScreen( LibraryElement mediaElement ) {
        this( mediaElement.getParent().getId() );
        mMediaList.setSelectedItem( mediaElement );
    }

    public void actionPerformed( ActionEvent evt ) {
        Object src = evt.getSource();

        if ( src == BackMediaItemsCommand.getInstance().getCommand()
                || evt.getKeyEvent() == Display.GAME_LEFT ) {
            BackMediaItemsCommand.getInstance().execute( mNewLibModel.getParent().
                    getId() );
        } else if ( src == ShowDetailsCommand.getInstance().getCommand() ) {
            ShowDetailsCommand.getInstance().execute( ((LibraryElement)mMediaList.getSelectedItem()).getDetails() );
        } else if ( src == DeleteContentCommand.getInstance().getCommand() ) {
            DeleteContentCommand.getInstance().execute( mMediaList );
        } else if ( src == InstantDownloadCommand.getInstance().getCommand() ) {
            InstantDownloadCommand.getInstance().execute( ((LibraryElement)mMediaList.getSelectedItem()).getDetails() );
            new DownloadQueueScreen( mMediaList.getSelectedItem() ).show();
        } else if ( src == GoToStartCommand.getInstance().getCommand() ) {
            GoToStartCommand.getInstance().execute( null );
        } else if ( src == AddToDownloadQueueCommand.getInstance().getCommand() ) {
            Content content = ((LibraryElement)mMediaList.getSelectedItem()).getDetails();
            AddToDownloadQueueCommand.getInstance().execute( content );
            new DownloadQueueScreen( (LibraryElement)mMediaList.getSelectedItem() ).show();
        } else if ( src == PlayMediaCommand.getInstance().getCommand() ) {
            LibraryElement content = (LibraryElement)mMediaList.getSelectedItem();
            if ( content.isNew() ) {
                content.setNew( false );
                mNewModel.removeFromUpdated( content.getId() );
            }
            PlayMediaCommand.getInstance().execute( content.getDetails() );
        } else if ( src == DownloadAllMediaItemsScreenCommand.getInstance().
                getCommand() ) {
            DownloadAllMediaItemsScreenCommand.getInstance().execute( mMediaList );
        } else if ( src == SearchDialogCommand.getInstance().getCommand() ) {
            LibraryElement content = ((LibraryElement)mMediaList.getSelectedItem());
            SearchDialogCommand.getInstance().execute( content.getParent().getId() );
        } else if ( src instanceof List ) {
            MediaItemContextMenu menu;
            if ( mMediaList.getSelectedItem() != null ) {
                if ( ((LibraryElement)mMediaList.getSelectedItem()).getDetails().
                        isDownloaded() ) {
                    menu = new MediaItemContextMenu( mMediaList, MediaItemContextMenu.PLAY );
                    menu.setModel( mNewModel );
                } else {
                    menu = new MediaItemContextMenu( mMediaList, MediaItemContextMenu.DOWNLOAD );
                }
                menu.show();
            }
        } else if ( src == ShowLinksCommand.getInstance().getCommand() ) {
            Content content = ((LibraryElement)mMediaList.getSelectedItem()).getDetails();
            ShowLinksCommand.getInstance().execute( content );
        } else if ( src == showFreeMem ) {
            GeneralAlert.show( String.valueOf( Runtime.getRuntime().freeMemory() ), GeneralAlert.INFO );
        } else if ( src == HelpCommand.getInstance().getCommand() ) {
            Object[] params = {this.getClass(), mNewLibModel.getId()};
            HelpCommand.getInstance().execute( params );
        } else if ( src == DownloadsQueueViewCommand.getInstance().getCommand() ) {
            DownloadsQueueViewCommand.getInstance().execute( mNewLibModel );
        }
    }

    public void selectionChanged( int oldSel, int newSel ) {
        LibraryElement libElem = (LibraryElement)mMediaList.getModel().getItemAt( newSel );
        removeAllCommands();
        addCommand( BackMediaItemsCommand.getInstance().getCommand() );
        addCommand( DownloadsQueueViewCommand.getInstance().getCommand() );
        addCommand( HelpCommand.getInstance().getCommand() );

        if ( libElem != null ) {
            Content content = libElem.getDetails();
            addCommand( DownloadAllMediaItemsScreenCommand.getInstance().
                    getCommand() );
            addCommand( SearchDialogCommand.getInstance().getCommand() );
            if ( content != null && content.isDownloaded() ) {
                addCommand( DeleteContentCommand.getInstance().getCommand() );
                addCommand( ShowLinksCommand.getInstance().getCommand() );
                addCommand( ShowDetailsCommand.getInstance().getCommand() );
                addCommand( PlayMediaCommand.getInstance().getCommand() );
            } else {
                addCommand( DeleteContentCommand.getInstance().getCommand() );
                addCommand( AddToDownloadQueueCommand.getInstance().getCommand() );
                addCommand( InstantDownloadCommand.getInstance().getCommand() );
                addCommand( ShowLinksCommand.getInstance().getCommand() );
                addCommand( ShowDetailsCommand.getInstance().getCommand() );
            }
        }
        addCommand( GoToStartCommand.getInstance().getCommand() );
    }

    protected void sizeChanged( int w, int h ) {
        mMediaList.setPreferredW( w );
        mMediaList.setRenderer( new MediaItemsListCellRenderer() );
    }
}