TextDisplayView.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.TextArea;
import com.sun.lwuit.events.ActionEvent;
import com.sun.lwuit.events.ActionListener;
import com.sun.lwuit.html.HTMLComponent;
import com.sun.lwuit.layouts.BorderLayout;
import java.io.IOException;
import java.io.InputStream;
import javax.microedition.io.Connector;
import javax.microedition.io.file.FileConnection;
import org.ned.client.IContent;
import org.ned.client.NedResources;
import org.ned.client.command.BackImageCommand;
import org.ned.client.lwuitExtended.NedRequestHandler;

public class TextDisplayView extends NedFormBase implements ActionListener {

    private HTMLComponent comp = null;
    private IContent mContent;

    public TextDisplayView( IContent content ) {
        mContent = content;
        String fileName = content.getMediaFile();
        setLayout( new BorderLayout() );
        setNedTitle( mContent.getText() );
        setScrollable( false );

        FileConnection fc = null;
        InputStream is = null;
        try {
            fc = (FileConnection)Connector.open( fileName, Connector.READ );
            if ( fc.exists() ) {
                is = fc.openInputStream();
                StringBuffer sb = new StringBuffer();
                int chars = 0;
                while ( (chars = is.read()) != -1 ) {
                    sb.append( (char)chars );
                }
                comp = new HTMLComponent( new NedRequestHandler() );
                comp.setShowImages( true );
                comp.setScrollableX( false );
                comp.setScrollableY( true );
                if ( fileName.toUpperCase().endsWith( "RTF" ) ) {
                    comp.setBodyText( sb.toString() );
                    addComponent( BorderLayout.CENTER, comp );
                } else if ( fileName.toUpperCase().endsWith( "TXT" ) ) {
                    TextArea text = new TextArea( sb.toString() );
                    text.setSelectedStyle( text.getUnselectedStyle() );
                    text.setGrowByContent( true );
                    text.setScrollVisible( true );
                    text.setEditable( false );
                    addComponent( BorderLayout.CENTER, text );
                } else {
                    comp.setHTML( sb.toString(), null, mContent.getText(), true );
                    addComponent( BorderLayout.CENTER, comp );
                }

            }
        } catch ( IOException ex ) {
            ex.printStackTrace();  // TODO
        } catch ( OutOfMemoryError ex ) {
            GeneralAlert.show( NedResources.MEMORY_OUT, GeneralAlert.WARNING );
        } catch ( Exception ex ) {
            ex.printStackTrace();
        } finally {
            try {
                is.close();
            } catch ( Exception ex ) {
            }
            try {
                fc.close();
            } catch ( Exception ex ) {
            }
        }

        addCommand( BackImageCommand.getInstance().getCommand() );
        addCommandListener( this );
    }

    public void actionPerformed( ActionEvent evt ) {
        Object src = evt.getSource();
        if ( src == BackImageCommand.getInstance().getCommand() ) {
            comp.cancel();
            BackImageCommand.getInstance().execute( mContent.getParentId() );
        }
    }
}