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

import org.litesoft.GWT.client.widgets.nonpublic.*;

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

public interface FloatablesCarrier
{
    int getWidgetCount();

    /**
     * ONLY called by a current child!
     */
    void makeTop( SizeableFloater pChild );

    SizeableFloater[] getFloatersSortedByTitle();

    SizeableFloater[] getFloatersSortedByZindex();

    void add( Widget w );

    boolean remove( Widget w );

    void undoCascade();

    void cascade();

    int getOffsetHeight();

    int getOffsetWidth();

    public static final FloatablesCarrier NULL = new FloatablesCarrier()
    {
        public int getWidgetCount()
        {
            return 0;
        }

        public void makeTop( SizeableFloater pChild )
        {
        }

        public SizeableFloater[] getFloatersSortedByTitle()
        {
            return SizeableFloater.EMPTY_ARRAY;
        }

        public SizeableFloater[] getFloatersSortedByZindex()
        {
            return SizeableFloater.EMPTY_ARRAY;
        }

        public void add( Widget w )
        {
        }

        public boolean remove( Widget w )
        {
            return false;
        }

        public void undoCascade()
        {
        }

        public void cascade()
        {
        }

        public int getOffsetHeight()
        {
            return 0;
        }

        public int getOffsetWidth()
        {
            return 0;
        }
    };
}