GoalBook - A Hybrid Smart Client

//===============================================================================
// Goal Book.
// Copyright © 2009 Mark Brownsword. 
//===============================================================================

#region Using Statements
using System.ComponentModel;
using GoalBook.Infrastructure.Interfaces;
using GoalBook.Infrastructure.ObjectModel;
#endregion

namespace GoalBook.Goals.Views
{
    public class GoalsDialogViewPresenter
    {
        #region Constants and Enums
        #endregion

        #region Inner Classes and Structures
        #endregion

        #region Delegates and Events
        #endregion

        #region Instance and Shared Fields
        private readonly IPersistenceService _persistenceService;
        #endregion

        #region Constructors
        /// <summary>
        /// Constructor.
        /// </summary>        
        public GoalsDialogViewPresenter(Goal editGoal, IPersistenceService persistenceService)
        {
            //Reference to PersistenceService.
            _persistenceService = persistenceService;

            //Initialise Model.
            Model = new GoalsDialogViewPresentationModel();
            Model.EditGoal = editGoal;            
            Model.EditGoal.PropertyChanged += new PropertyChangedEventHandler(AddGoal_PropertyChanged);

            //Initialise ReferenceData
            Model.LevelList = _persistenceService.FetchLevelList();
            Model.ContributesList = _persistenceService.FetchContributesList(editGoal.GoalID, editGoal.LevelID);                              
        }               
        #endregion

        #region Properties
        /// <summary>
        /// Reference to Model.
        /// </summary>
        public GoalsDialogViewPresentationModel Model { get; private set; }
        /// <summary>
        /// Reference to View.
        /// </summary>
        public GoalsDialogView View { get; set; }
        #endregion

        #region Private and Protected Methods
        /// <summary>
        /// Handle AddGoal_PropertyChanged event.
        /// </summary>        
        private void AddGoal_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
        {
            View.RaiseErrorInfoChanged(Model.EditGoal as IDataErrorInfo);
        }
        /// <summary>
        /// Handle View_LevelChanged event.
        /// </summary>        
        private void View_LevelChanged(GoalBook.Infrastructure.Events.LevelChangedEventArgs e)
        {
            //Reset the ContributesList for the selected Level.
            Model.ContributesList = _persistenceService.FetchContributesList(Model.EditGoal.GoalID, e.LevelID);

            //Reset ComboBoxContributes with new list.
            //View.comboBoxContributes.ItemsSource = null;
            //View.comboBoxContributes.ItemsSource = Model.ContributesList;
            //View.comboBoxContributes.IsEnabled = (Model.ContributesList.Count > 0);

            //Model.EditGoal.ContributesID = Guid.Empty;
        }
        #endregion

        #region Public and internal Methods
        /// <summary>
        /// Initialise the View.
        /// </summary>
        public void InitView()
        {
            View.DataContext = Model;
            View.LevelChanged += new GoalBook.Infrastructure.Events.LevelChangedEventHandler(View_LevelChanged);
            View.comboBoxContributes.IsEnabled = (Model.ContributesList.Count > 0);            
        }
        #endregion

        #region Event Handlers
        #endregion

        #region Base Class Overrides
        #endregion
    }
}