CategoryScreen.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 java.util.Vector;
import org.ned.client.Content;
import org.ned.client.command.*;
import org.ned.client.library.advanced.LibraryElement;
import org.ned.client.view.customComponents.NedList;
import org.ned.client.view.renderer.CategoryListCellRenderer;

public class CategoryScreen extends NedFormBase implements ActionListener {

    private NedList mCategoryList;

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

        mCategoryList = new NedList( this.mNewLibModel != null ? mNewLibModel.getChildern() : new Vector( 0 ) );
        mCategoryList.setContextMenu( new CategoryContextMenu( mCategoryList, 2 ) );
        mCategoryList.setRenderer( new CategoryListCellRenderer() );
        mCategoryList.setSelectedIndex( 0 );
        mCategoryList.setPreferredW( Display.getInstance().getDisplayWidth() );
        addComponent( mCategoryList );

        addCommand( BackCategoryCommand.getInstance().getCommand() );
        addCommand( HelpCommand.getInstance().getCommand() );
        addCommand( DownloadsQueueViewCommand.getInstance().getCommand() );
        addCommand( DeleteContentCommand.getInstance().getCommand() );
        addCommand( DownloadAllCategoryScreenCommand.getInstance().getCommand() );
        addCommand( SearchDialogCommand.getInstance().getCommand() );

        mCategoryList.addActionListener( this );
        addGameKeyListener( Display.GAME_LEFT, this );
        addGameKeyListener( Display.GAME_RIGHT, this );
        addCommandListener( this );
    }

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

        if ( src == BackCategoryCommand.getInstance().getCommand()
                || evt.getKeyEvent() == Display.GAME_LEFT ) {
            if ( mNewLibModel != null ) {
                BackCategoryCommand.getInstance().execute( mNewLibModel.getParent().getId() );
            } else {
                BackToMainScreenCommand.getInstance().execute( null );
            }
        } else if ( src instanceof List || evt.getKeyEvent()
                == Display.GAME_RIGHT ) {
            LibraryElement content = (LibraryElement)mCategoryList.getSelectedItem();
            if ( content != null ) {
                BrowseCategoryCommand.getInstance().execute( content.getId() );
            }
        } else if ( src == DeleteContentCommand.getInstance().getCommand() ) {
            DeleteContentCommand.getInstance().execute( mCategoryList );
        } else if ( src == DownloadAllCategoryScreenCommand.getInstance().
                getCommand() ) {
            DownloadAllCategoryScreenCommand.getInstance().execute( mCategoryList );
        } else if ( src == SearchDialogCommand.getInstance().getCommand() ) {
            Content content = ((LibraryElement)mCategoryList.getSelectedItem()).getDetails();
            if ( content != null ) {
                SearchDialogCommand.getInstance().execute( content.getId() );
            }
        } 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 );
        }
    }

    protected void sizeChanged( int w, int h ) {
        mCategoryList.setPreferredW( w );
    }
}