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

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

public class AbstractSizeableVerticalPanel extends AbstractSizeableOneDimensionalPanel
{
    @Override
    protected Element unwrap( Element pTD )
    {
        return DOM.getParent( pTD ); // TR
    }

    @Override
    protected Element wrap( Element pTD )
    {
        return addParent( DOM.createTR(), pTD );
    }

    //****** Implementation Code Block to support delegation to AbsoluteSizeHelper

    @Override
    public void setWidth( String width )
    {
        if ( (mMinimumWidth == null) && anyChildren() )
        {
            Element elem = DOM.getParent( getContainerElement() );
            int currentWidth = DOM.getElementPropertyInt( elem, "offsetWidth" );
            if ( currentWidth > 0 )
            {
                getHelper().setDimensionOnChildren( this, getWidthHelper(), currentWidth );
                mMinimumWidth = currentWidth;
            }
        }
        super.setWidth( width );
    }

    private Integer mMinimumWidth = null;

    @Override
    public void setHeight( String height )
    {
        super.setHeight( height ); // for stacktrace Debugging
    }

    @Override
    protected void distributeToChildrenChangedWidth()
    {
        if ( anyChildren() )
        {
            getHelper().applyChangedDimensionToChildren( this, getWidthHelper() );
        }
    }

    @Override
    protected void distributeToChildrenChangedHeight()
    {
        if ( anyChildren() )
        {
            AbstractSizeableHelper asHelper = getHelper();
            if ( asHelper.isOverflowHidden() )
            {
                asHelper.distributeDimensionOnChildren( this, getHeightHelper() );
            }
            else
            {
                asHelper.setDimensionOnChildren( this, getHeightHelper(), 400 );
            }
        }
    }
}