package org.litesoft.sampleapplication.sampleApplication.client;

import com.google.gwt.core.client.*;
import com.google.gwt.event.dom.client.*;
import com.google.gwt.user.client.ui.*;
import com.temp.foundation.widgets.*;
import com.temp.foundation.widgets.inputfieldsupport.*;
import com.temp.foundation.widgets.support.*;
import com.temp.shared.validators.*;

public class SampleApplication implements EntryPoint
{
    public void onModuleLoad()
    {
        Label fieldLabel = new Label( "Name:" );
        Label errorLabel = new Label( "Error" );
        HTML stateLabel = new HTML( " " );
        ActiveTextBox field = new ActiveTextBox();

        final InputWidgetValidator<String> validator = new InputWidgetValidator<String>( new TextBoxBaseValueAdapter( field ) );
        final InputWidgetChangeFilter<String> input = new InputWidgetChangeFilter<String>( validator );

        input.addChangeHandler( new ChangeHandler()
        {
            @Override
            public void onChange( ChangeEvent event )
            {
                String value = input.getValue();
                System.out.println( "Change: " + input.isChanged() + " '" + value + "'" );
                if ( "OK".equals( value ) )
                {
                    input.setValue( value );
                }
            }
        } );

        validator.addErrorStateChangeHandler( new ChangeHandler()
        {
            @Override
            public void onChange( ChangeEvent event )
            {
                String value = input.getValue();
                System.out.println( "Valid: '" + value + "' | " + validator.getErrorData() );
            }
        } );

        validator.addValidators( RequiredValueValidator.INSTANCE, //
                                 new MaxLengthValueValidator( 9 ), //
                                 IdentifierValueValidator.INSTANCE );

        Button buttonSetValue = new Button( "Set Value", new ClickHandler()
        {
            public void onClick( ClickEvent event )
            {
                input.setValue( input.getValue() );
                System.out.println( "Set Value!" );
            }
        } );
        Button buttonSetValueAsUser = new Button( "User Set Value", new ClickHandler()
        {
            public void onClick( ClickEvent event )
            {
                input.setValueAsUser( input.getValue() + "!" );
                System.out.println( "User Set Value!" );
            }
        } );

        VerticalPanel zFieldErrorPanel = new VerticalPanel();
        zFieldErrorPanel.add( field );
        zFieldErrorPanel.add( errorLabel );

        VerticalPanel zVPanel = new VerticalPanel();
        zVPanel.add( new HTML( "&nbsp;" ) );
        zVPanel.add( horizontalWithSpacers( fieldLabel, zFieldErrorPanel, stateLabel ) );
        zVPanel.add( new HTML( "&nbsp;" ) );
        zVPanel.add( horizontalWithSpacers( buttonSetValue, buttonSetValueAsUser ) );

        RootPanel zRootPanel = RootPanel.get( "centeredWidget" );
        zRootPanel.add( zVPanel );

        zVPanel.add( new HTML( "&nbsp;" ) );
        zVPanel.add( new HTML( "&nbsp;" ) );
        zVPanel.add( new WizardProgressIndicator(2,"Step1", "A Really Long 2nd Step", "S3") );
    }

    private HorizontalPanel horizontalWithSpacers( Widget... widgets )
    {
        HorizontalPanel zPanel = new HorizontalPanel();
        zPanel.add( widgets[0] );
        for ( int i = 1; i < widgets.length; i++ )
        {
            zPanel.add( new HTML( "&nbsp;&nbsp;" ) );
            zPanel.add( widgets[i] );
        }
        return zPanel;
    }
}