// This Source Code is in the Public Domain per: http://unlicense.org
package org.litesoft.GWT.forms.client.nonpublic;

import org.litesoft.commonfoundation.typeutils.*;

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

public class WidgetHidingFormComponent extends AbstractNonShowingFormComponent
{
    private Widget mWidget;

    public WidgetHidingFormComponent( Widget pWidget )
    {
        mWidget = pWidget;
        adjustWidgetVisibility();
    }

    public void relayout()
    {
    }

    public void setWidth( String width )
    {
    }

    public void setHeight( String height )
    {
    }

    public void setCurrentValue( Object pCurrentValue )
    {
        super.setCurrentValue( pCurrentValue );
        adjustWidgetVisibility();
    }

    public boolean isVisible()
    {
        Object zValue = getCurrentValue();
        return (zValue != null) && !Boolean.FALSE.equals( Booleans.fromString( zValue.toString() ) );
    }

    private void adjustWidgetVisibility()
    {
        Element zStyleElement = BackDoorToWidget.getStyleElement( mWidget );
        String zValue = isVisible() ? "inherit" : "hidden";
        DOM.setStyleAttribute( zStyleElement, "visibility", zValue );
    }

    @Override public boolean hasError()
    {
        return false;  // todo: implement
    }
}