package org.litesoft.GWT.client.view;

import org.litesoft.GWT.client.*;
import org.litesoft.GWT.client.nonpublic.*;
import org.litesoft.GWT.client.widgets.*;
import org.litesoft.GWT.client.widgets.SubmitButton;
import org.litesoft.core.util.*;
import org.litesoft.uispecification.*;

import com.google.gwt.event.dom.client.*;
import com.google.gwt.user.client.ui.*;

public abstract class DialogView extends UiView implements DialogCloseCallBack,
                                                           Dialog
{
    private Opaqueness mOpaqueness;
    private DialogError mErrorLabel = new DialogError();

    private void initialSetUp( Opaqueness pOpaqueness )
    {
        mOpaqueness = pOpaqueness;
    }

    public DialogView( Opaqueness pOpaqueness )
    {
        super();
        initialSetUp( pOpaqueness );
    }

    public DialogView( Opaqueness pOpaqueness, String pViewTitle )
    {
        super( pViewTitle );
        initialSetUp( pOpaqueness );
    }

    public DialogView( Opaqueness pOpaqueness, ViewDef pViewDef )
    {
        super( pViewDef );
        initialSetUp( pOpaqueness );
    }

    public DialogView( Opaqueness pOpaqueness, String pSection, ViewDef pViewDef )
    {
        super( pSection, pViewDef );
        initialSetUp( pOpaqueness );
    }

    public SizeableLabel getErrorLabel()
    {
        return mErrorLabel;
    }

    public void setDialogErrorMessage( String pError )
    {
        boolean zEmpty = (null == (pError = UtilsCommon.noEmpty( pError )));
        mErrorLabel.setText( !zEmpty ? pError : " ", zEmpty );
    }

    protected void add( Widget pWidget )
    {
        mContent.add( pWidget );
    }

    @Override
    public Widget getContent()
    {
        return mContent;
    }

    public void dialogClosed()
    {
    }

    public void cancel()
    {
        close();
    }

    public void close()
    {
        if ( mDialog != null )
        {
            mDialog.hide();
            mDialog = null;
        }
    }

    private AbstractDialog mDialog = null;

    public void setActualDialog( AbstractDialog pDialog )
    {
        mDialog = pDialog;
    }

    public AbstractDialog getActualDialog()
    {
        return mDialog;
    }

    public Opaqueness getOpaqueness()
    {
        return mOpaqueness;
    }

    protected void submitRequested()
    {
    }

    protected final ButtonBase createSubmitButton()
    {
        return new SubmitButton( createSubmitClickHandler() );
    }

    protected final ClickHandler createSubmitClickHandler()
    {
        return new ClickHandler()
        {
            public void onClick( ClickEvent event )
            {
                submitRequested();
            }
        };
    }

    protected final ButtonBase createCancelButton()
    {
        return new CancelButton( new ClickHandler()
        {
            public void onClick( ClickEvent event )
            {
                cancel();
            }
        } );
    }

    protected final ButtonBase createCloseButton()
    {
        return new CloseButton( new ClickHandler()
        {
            public void onClick( ClickEvent event )
            {
                cancel();
            }
        } );
    }
}