C:/Data/Projects/MCS EPM Global Practice/Frameworks/Public/mpfX/1.0/Libraries/Mcs.Epm.MicrosoftProject.mpFx/Calendars.cs

/*  ----------------------------------------------------------------------------
 *  Microsoft Corporation
 *  ----------------------------------------------------------------------------
 *  Microsoft Project Server mpFx (mpFx)
 *  ----------------------------------------------------------------------------
 *  Author: Colby Africa
 *  ----------------------------------------------------------------------------
 *  License: http://code.msdn.microsoft.com/mpFx/Project/License.aspx
 *  ----------------------------------------------------------------------------
 */

using System;
using System.Collections;
using System.Collections.Generic;
using Mcs.Epm.MicrosoftProject.mpFx.CalendarsWebService;

namespace Mcs.Epm.MicrosoftProject.mpFx
{
    /// <summary>
    /// Provides data and functionality for Enterprise Calendars 
    /// </summary>
    public class Calendars : IEnumerable<Guid>
    {
        #region Instance Data

        private Dictionary<Guid, string> _CalendarsCollection;        

        #endregion

        #region Constructor

        /// <summary>
        /// Create an instance of Calendars
        /// </summary>
        /// <param name="parent">Parent Object</param>
        public Calendars(ProjectServer parent)
        {
            if (parent == null)
            {
                throw new ArgumentNullException("parent");
            }

            Parent = parent;
        }

        #endregion

        #region Protected Properties

        protected internal ProjectServer Parent { get; private set; }

        #endregion

        #region Public Properties

        /// <summary>
        /// Get a simple dictionary of calendar GUIDs and Names
        /// </summary>
        public Dictionary<Guid, string> CalendarsCollection
        {
            get
            {
                if (_CalendarsCollection == null)
                {
                    LoadCalendars();
                }

                return _CalendarsCollection;
            }
            set
            {
                _CalendarsCollection = value;
            }
        }

        #endregion

        #region Public Methods

        ///<summary>
        ///Returns an enumerator that iterates through the collection.
        ///</summary>
        ///
        ///<returns>
        ///A <see cref="T:System.Collections.Generic.IEnumerator`1"></see> that can be used to iterate through the collection.
        ///</returns>
        ///<filterpriority>1</filterpriority>
        public IEnumerator<Guid> GetEnumerator()
        {
            if (_CalendarsCollection == null)
            {
                LoadCalendars();
            }

            foreach (KeyValuePair<Guid, string> valuePair in CalendarsCollection)
            {
                yield return valuePair.Key;
            }
        }

        #endregion

        #region Private Methods

        ///<summary>
        ///Returns an enumerator that iterates through a collection.
        ///</summary>
        ///
        ///<returns>
        ///An <see cref="T:System.Collections.IEnumerator"></see> object that can be used to iterate through the collection.
        ///</returns>
        ///<filterpriority>2</filterpriority>
        IEnumerator IEnumerable.GetEnumerator()
        {
            return ((IEnumerable<Guid>) this).GetEnumerator();
        }

        #endregion

        #region Internal Methods

        /// <summary>
        /// Load calendar information from Project Server
        /// </summary>
        internal void LoadCalendars()
        {
            if (_CalendarsCollection == null)
            {
                _CalendarsCollection = new Dictionary<Guid, string>();
            }
            else
            {
                _CalendarsCollection.Clear();
            }

            using (CalendarDataSet calendarDataSet = Parent.WebServices.Calendars.ListCalendars())
            {
                foreach (CalendarDataSet.CalendarsRow calendars in calendarDataSet.Calendars.Rows)
                {
                    _CalendarsCollection.Add(calendars.CAL_UID, calendars.CAL_NAME);
                }
            }
        }

        #endregion
    }
}
c

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