/// <summary>
        /// Initializes a new instance of the <see cref="ViewToViewModelMappingContainer"/> class.
        /// </summary>
        /// <param name="dependencyObject">The dependency object.</param>
        /// <exception cref="ArgumentNullException">The <paramref name="dependencyObject"/> is <c>null</c>.</exception>
        public ViewToViewModelMappingContainer(DependencyObject dependencyObject)
        {
            Argument.IsNotNull("dependencyObject", dependencyObject);

            var properties = dependencyObject.GetType().GetPropertiesEx();
            foreach (var property in properties)
            {
                object[] viewToViewModelAttributes = property.GetCustomAttributesEx(typeof(ViewToViewModelAttribute), false);
                if (viewToViewModelAttributes.Length > 0)
                {
                    Log.Debug("Property '{0}' is decorated with the ViewToViewModelAttribute, creating a mapping", property.Name);

                    var viewToViewModelAttribute = (ViewToViewModelAttribute)viewToViewModelAttributes[0];

                    string propertyName = property.Name;
                    string viewModelPropertyName = (string.IsNullOrEmpty(viewToViewModelAttribute.ViewModelPropertyName)) ? propertyName : viewToViewModelAttribute.ViewModelPropertyName;

                    var mapping = new ViewToViewModelMapping(propertyName, viewModelPropertyName, viewToViewModelAttribute.MappingType);

                    // Store it (in 2 dictionaries for high-speed access)
                    _viewToViewModelMappings.Add(property.Name, mapping);
                    _viewModelToViewMappings.Add(viewModelPropertyName, mapping);
                }
            }
        }
Exemplo n.º 2
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        /// <summary>
        /// Initializes a new instance of the <see cref="ViewToViewModelMappingContainer" /> class.
        /// </summary>
        /// <param name="viewModelContainer">The view.</param>
        /// <exception cref="ArgumentNullException">The <paramref name="viewModelContainer" /> is <c>null</c>.</exception>
        public ViewToViewModelMappingContainer(IViewModelContainer viewModelContainer)
        {
            Argument.IsNotNull("view", viewModelContainer);

            var properties = viewModelContainer.GetType().GetPropertiesEx();

            foreach (var property in properties)
            {
                object[] viewToViewModelAttributes = property.GetCustomAttributesEx(typeof(ViewToViewModelAttribute), false);
                if (viewToViewModelAttributes.Length > 0)
                {
                    Log.Debug("Property '{0}' is decorated with the ViewToViewModelAttribute, creating a mapping", property.Name);

                    var viewToViewModelAttribute = (ViewToViewModelAttribute)viewToViewModelAttributes[0];

                    string propertyName          = property.Name;
                    string viewModelPropertyName = (string.IsNullOrEmpty(viewToViewModelAttribute.ViewModelPropertyName)) ? propertyName : viewToViewModelAttribute.ViewModelPropertyName;

                    var mapping = new ViewToViewModelMapping(propertyName, viewModelPropertyName, viewToViewModelAttribute.MappingType);

                    // Store it (in 2 dictionaries for high-speed access)
                    _viewToViewModelMappings.Add(property.Name, mapping);
                    _viewModelToViewMappings.Add(viewModelPropertyName, mapping);
                }
            }
        }
Exemplo n.º 3
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        /// <summary>
        /// Called when a property on the view model container has changed.
        /// </summary>
        /// <param name="sender">The view model container.</param>
        /// <param name="e">The <see cref="System.ComponentModel.PropertyChangedEventArgs"/> instance containing the event data.</param>
        private void OnViewModelContainerPropertyChanged(object sender, PropertyChangedEventArgs e)
        {
            var viewModelContainerType = ViewModelContainerType;

            if (_viewToViewModelMappingContainers[viewModelContainerType].ContainsViewToViewModelMapping(e.PropertyName))
            {
                ViewToViewModelMapping mapping = _viewToViewModelMappingContainers[viewModelContainerType].GetViewToViewModelMapping(e.PropertyName);
                if (_ignoredViewChanges.Contains(mapping.ViewPropertyName))
                {
                    Log.Debug("Ignored property changed event for view.'{0}'", mapping.ViewPropertyName);
                }
                else
                {
                    if ((mapping.MappingType == ViewToViewModelMappingType.TwoWayDoNothing) ||
                        (mapping.MappingType == ViewToViewModelMappingType.TwoWayViewWins) ||
                        (mapping.MappingType == ViewToViewModelMappingType.TwoWayViewModelWins) ||
                        (mapping.MappingType == ViewToViewModelMappingType.ViewToViewModel))
                    {
                        TransferValueFromViewToViewModel(CurrentViewModel, mapping.ViewPropertyName, mapping.ViewModelPropertyName);
                    }
                }
            }
        }