void Refresh()
{
MapDetailsBindingWrapper <ContentItem> wrapper = (MapDetailsBindingWrapper <ContentItem>)DataContext;
//get the content item from the server to make sure it is up to date
ArcGISOnlineEnvironment.ArcGISOnline.Content.GetItem(wrapper.Content.Id, (object sender, ContentItemEventArgs e) =>
{
if (e.Error != null)
{
return;
}
//preserve the folder information if it was already determined
//
e.Item.Folder = wrapper.Content.Folder;
wrapper.Content = e.Item;
InitializeBindingProperties(wrapper);
//initialize the tabs
MapDetailsTabControl_SelectionChanged(null, null);
});
//raise event
RaiseMapDetailsChanged();
}
/// <summary>
/// Initializes additional binding properties for average rating, number of ratings etc..
/// </summary>
void InitializeBindingProperties(MapDetailsBindingWrapper <ContentItem> wrapper)
{
wrapper.RatingValue = wrapper.Content.AverageRating / (double)MapRating.ItemCount;
wrapper.NumberOfRatings = string.Format(ESRI.ArcGIS.Mapping.Controls.ArcGISOnline.Resources.Strings.MapDetailsRating, wrapper.Content.NumberOfRatings);
wrapper.EditButtonVisibility = CanEditMapDetails ? Visibility.Visible : Visibility.Collapsed;
wrapper.RateButtonVisibility = CanRate ? Visibility.Visible : Visibility.Collapsed;
}
/// <summary>
/// Initializes the control.
/// </summary>
public void Activate(ContentItem contentItem)
{
if (MapDetailsTabControl == null)
{
pendingActivate = true;
pendingItem = contentItem;
return;
}
pendingActivate = false;
if (!_initialized)
{
_initialized = true;
}
HideEditingControls();
//use a BindingWrapper to bind additional properties such as average rating, number of ratings..
MapDetailsBindingWrapper <ContentItem> wrapper = new MapDetailsBindingWrapper <ContentItem>();
//bind the control to the wrapper
DataContext = wrapper;
wrapper.Content = contentItem;
InitializeBindingProperties(wrapper);
//initialize the tabs
MapDetailsTabControl_SelectionChanged(null, null);
}