WelcomeScreen.java

/*******************************************************************************
* Copyright (c) 2011 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.Label;
import com.sun.lwuit.events.ActionEvent;
import com.sun.lwuit.events.ActionListener;
import com.sun.lwuit.layouts.BoxLayout;
import org.ned.client.NedConsts;
import org.ned.client.NedMidlet;
import org.ned.client.NedResources;
import org.ned.client.command.*;
import org.ned.client.view.customComponents.ClearTextField;

public class WelcomeScreen extends NedFormBase implements ActionListener, AsyncCompletedCallback {

    private ClearTextField serverUrlTextArea;
    private final String defaultInput = "http://";

    public WelcomeScreen() {
        setNedTitle( NedResources.SERVER_WIZARD );
        setLayout( new BoxLayout( BoxLayout.Y_AXIS ) );

        initForm();

        addCommand( ExitCommand.getInstance().getCommand() );
        addCommand( ShowAboutCommand.getInstance().getCommand() );
        addCommand( HelpCommand.getInstance().getCommand() );
        addCommand( CheckServerUrlComand.getInstance().getCommand() );
        addCommandListener( this );
    }

    public void actionPerformed( ActionEvent evt ) {
        Object src = evt.getSource();
        if ( src == ExitCommand.getInstance().getCommand() ) {
            ExitCommand.getInstance().execute( null );
        } else if ( src == CheckServerUrlComand.getInstance().getCommand() ) {
            String newAddress = serverUrlTextArea.getText().trim();
            CheckServerUrlComand.getInstance().beginAsync( newAddress, this, true );
        } else if ( src == HelpCommand.getInstance().getCommand() ) {
            HelpCommand.getInstance().execute( this.getClass() );
        } else if ( src == ShowAboutCommand.getInstance().getCommand() ) {
            ShowAboutCommand.getInstance().execute( null );
        }
    }

    private void initForm() {
        addUrlLabel();
        addUrlTextArea();
        addDemoLabel();
        serverUrlTextArea.setFocus( true );
    }

    private void addUrlTextArea() {
        serverUrlTextArea = new ClearTextField();
        serverUrlTextArea.setText( defaultInput );
        serverUrlTextArea.addActionListener( this );
        serverUrlTextArea.setInputMode( "Abc" );
        addComponent( serverUrlTextArea );
    }

    private void addUrlLabel() {
        Label serverUrlLabel = new Label( NedResources.ENTER_SERVER_ADDRESS );
        serverUrlLabel.setAlignment( Label.CENTER );
        serverUrlLabel.getStyle().setPadding( 10, 10, 1, 1 );
        addComponent( serverUrlLabel );
    }

    //for check url command
    public void onSuccess() {
        NedMidlet.getAccountManager().setServer( serverUrlTextArea.getText().trim() );
        new LoginScreen().show();
    }

    //for check url command
    public void onFailure( String error ) {
        GeneralAlert.show( NedResources.NEDSERVICENOTPRESENT, GeneralAlert.WARNING );
    }

    private void addDemoLabel() {
        Label demo = new Label( NedResources.DEMOURL );
        demo.setAlignment( Label.LEFT );
        addComponent( demo );
        Label demoURL = new Label( NedConsts.NedDemo.DEMOURL );
        demoURL.setAlignment( Label.LEFT );
        addComponent( demoURL );
    }
}