/* ====================================================================
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for Additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
   the License.  You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
==================================================================== */

namespace Npoi.Core.DDF
{
    using System;
    using System.Text;
    using Npoi.Core.Util;

    /// <summary>
    /// Represents a bool property.  The actual utility of this property is in doubt because many
    /// of the properties marked as bool seem to actually contain special values.  In other words
    /// they're not true bools.
    /// @author Glen Stampoultzis
    /// </summary>
    public class EscherBoolProperty : EscherSimpleProperty
    {
        /// <summary>
        /// Create an instance of an escher bool property.
        /// </summary>
        /// <param name="propertyNumber">The property number (or id)</param>
        /// <param name="value">The 32 bit value of this bool property</param>
        public EscherBoolProperty(short propertyNumber, int value)
            : base(propertyNumber, value)
        {

        }

        /// <summary>
        /// Whether this bool property is true
        /// </summary>
        /// <value><c>true</c> if this instance is true; otherwise, <c>false</c>.</value>
        public bool IsTrue
        {
            get { return propertyValue != 0; }
        }

        /// <summary>
        /// Whether this bool property is false
        /// </summary>
        /// <value><c>true</c> if this instance is false; otherwise, <c>false</c>.</value>
        public bool IsFalse
        {
            get { return propertyValue == 0; }
        }

        //public override String ToString()
        //{
        //    return "propNum: " + PropertyNumber
        //            + ", complex: " + IsComplex
        //            + ", blipId: " + IsBlipId
        //            + ", value: " + (Value != 0);
        //}
        public override String ToXml(String tab)
        {
            StringBuilder builder = new StringBuilder();
            builder.Append(tab).Append("<").Append(GetType().Name).Append(" id=\"0x").Append(HexDump.ToHex(Id))
                    .Append("\" name=\"").Append(Name).Append("\" simpleValue=\"").Append(PropertyValue).Append("\" blipId=\"")
                    .Append(IsBlipId).Append("\" value=\"").Append(IsTrue).Append("\"").Append("/>\n");
            return builder.ToString();
        }
    }
}