package com.temp.foundation.client.util;

import com.google.gwt.dom.client.*;
import com.google.gwt.dom.client.Style.*;

/**
 * This Utility class provides low level support for GWT Elements.
 *
 * @author georgs
 */
public class CommonElementHelper {

    public static final String TABLE = "table";
    public static final String TD = "td";

    public static void hide( Element pElement ) {
        setHidden( pElement, true );
    }

    public static void unhide( Element pElement ) {
        setHidden( pElement, false );
    }

    public static void setHidden( Element pElement, boolean pHide ) {
        pElement.getStyle().setVisibility(
                pHide ? Visibility.HIDDEN : Visibility.VISIBLE );
    }

    public static boolean isHidden( Element pElement ) {
        return is( pElement.getStyle().getVisibility(), Visibility.HIDDEN );
    }

    public static boolean isVisible( Element pElement ) {
        return !is( pElement.getStyle().getDisplay(), Display.NONE );
    }

    private static boolean is( String pPropertyValue, HasCssName pExpected ) {
        return pExpected.getCssName().equals( pPropertyValue );
    }

    public static Element findElementWithTagNameUpDOM( Element pElement, String pTagName ) {
        if ( pTagName != null ) {
            for (; pElement != null; pElement = pElement.getParentElement() ) {
                if ( pTagName.equalsIgnoreCase( pElement.getTagName() ) ) {
                    return pElement;
                }
            }
        }
        return null;
    }
}