// $Id$
// Author: Yves Lafon <ylafon@w3.org>
//
// (c) COPYRIGHT MIT, ERCIM and Keio University, 2012.
// Please first read the full copyright statement in file COPYRIGHT.html
package org.w3c.css.properties.css1;

import org.w3c.css.util.ApplContext;
import org.w3c.css.util.InvalidParamException;
import org.w3c.css.values.CssExpression;

/**
 * @spec http://www.w3.org/TR/2008/REC-CSS1-20080411/#margin-top
 */
public class CssMarginTop extends org.w3c.css.properties.css.CssMarginTop {

    /**
     * Create a new CssMarginTop
     */
    public CssMarginTop() {
    }

    /**
     * Set the value of the property<br/>
     * Does not check the number of values
     *
     * @param expression The expression for this property
     * @throws org.w3c.css.util.InvalidParamException
     *          The expression is incorrect
     */
    public CssMarginTop(ApplContext ac, CssExpression expression)
            throws InvalidParamException {
        this(ac, expression, false);
    }

    /**
     * Set the value of the property
     *
     * @param expression The expression for this property
     * @param check      set it to true to check the number of values
     * @throws org.w3c.css.util.InvalidParamException
     *          The expression is incorrect
     */
    public CssMarginTop(ApplContext ac, CssExpression expression,
                        boolean check) throws InvalidParamException {
        setByUser();
        value = CssMargin.checkValue(ac, expression, check, this);
    }
}