TemplateParameter.cs :  » Bloggers » SubText » Subtext » Scripting » C# / CSharp Open Source

#region Disclaimer/Info

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#endregion

using System;

namespace Subtext.Scripting{
    /// <summary>
    /// Summary description for TemplateParameter.
    /// </summary>
    [Serializable]
    public class TemplateParameter
    {
        string _value;

        /// <summary>
        /// Initializes a new instance of the <see cref="TemplateParameter"/> class.
        /// </summary>
        /// <param name="name">The name.</param>
        /// <param name="type">The type.</param>
        /// <param name="defaultValue">The default value.</param>
        public TemplateParameter(string name, string type, string defaultValue)
        {
            Name = name;
            DataType = type;
            _value = defaultValue;
        }

        /// <summary>
        /// Gets or sets the name of the parameter.
        /// </summary>
        /// <value>The name.</value>
        public string Name { get; private set; }

        /// <summary>
        /// Gets the type of the data.
        /// </summary>
        /// <value>The type of the data.</value>
        public string DataType { get; private set; }

        /// <summary>
        /// Gets or sets the value.
        /// </summary>
        /// <value>The value.</value>
        public string Value
        {
            get { return _value; }
            set
            {
                if(value != _value)
                {
                    OnValueChanged(_value, value);
                }
                _value = value;
            }
        }

        protected void OnValueChanged(string oldValue, string newValue)
        {
            EventHandler<ParameterValueChangedEventArgs> changeEvent = ValueChanged;
            if(changeEvent != null)
            {
                changeEvent(this, new ParameterValueChangedEventArgs(Name, oldValue, newValue));
            }
        }

        /// <summary>
        /// Event raised when the parameter's value changes.
        /// </summary>
        public event EventHandler<ParameterValueChangedEventArgs> ValueChanged;
    }
}