private void GetConstantsCallback(Constants constants)
{
// trace callback
TraceHelper.AddMessage(String.Format("Finished Get Constants: {0}", constants == null ? "null" : "success"));
if (constants != null)
{
retrievedConstants = true;
#if FALSE && !IOS
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
#endif
// no requests pending - we can use the Service constants as the authoritative ones
Constants = constants;
// reset priority names and colors inside the Item static arrays
// these static arrays are the most convenient way to make databinding work
int i = 0;
foreach (var pri in constants.Priorities)
{
Item.PriorityNames[i] = pri.Name;
Item.PriorityColors[i++] = pri.Color;
}
// initialize the static ItemTypes dictionary
ItemType.CreateDictionary(constants.ItemTypes);
// Chain the PlayQueue call to drain the queue and retrieve the user data
PlayQueue(RequestQueue.UserQueue);
#if FALSE && !IOS
});
#endif
}
else
{
// refresh cycle interrupted - still need to signal the SyncComplete event if it was set
if (SyncComplete != null)
SyncComplete(this, new SyncCompleteEventArgs(SyncCompleteArg));
}
}
public void LoadData()
{
// check if the data has already been loaded
if (this.IsDataLoaded == true)
return;
// trace loading data
TraceHelper.AddMessage("Load Data");
// read the user credentials (can be null)
this.User = StorageHelper.ReadUserCredentials();
// read the folder types - and create them if they don't exist
this.constants = StorageHelper.ReadConstants();
if (this.constants == null ||
this.constants.ActionTypes == null || this.constants.ActionTypes.Count == 0 ||
this.constants.Colors == null || this.constants.Colors.Count == 0 ||
this.constants.Permissions == null || this.constants.Permissions.Count == 0 ||
this.constants.Priorities == null || this.constants.Priorities.Count == 0)
{
this.Constants = InitializeConstants();
}
// read the item types - and create them if they don't exist
this.itemTypes = StorageHelper.ReadItemTypes();
if (this.itemTypes == null || this.itemTypes.Count == 0)
{
this.ItemTypes = InitializeItemTypes();
}
else
{
// initialize the static ItemTypes dictionary
ItemType.CreateDictionary(itemTypes);
}
// read the tags - and create them if they don't exist
this.tags = StorageHelper.ReadTags();
if (this.tags == null)
{
this.Tags = InitializeTags();
}
// create the FolderDictionary dictionary
if (this.folderDictionary == null)
this.FolderDictionary = new Dictionary<Guid, Folder>();
// read the folders - and create it if it doesn't exist AND if the user credentials have never been set
this.folders = StorageHelper.ReadFolders();
if (this.folders == null || this.folders.Count == 0)
{
if (this.User == null || this.User.Synced == false)
{
// we don't want to create the "starter" data if we already have a sync relationship with the service
this.Folders = InitializeFolders();
}
else
this.Folders = new ObservableCollection<Folder>();
}
// load the contents of each folder
List<Guid> guidList = Folders.Select(f => f.ID).ToList<Guid>();
foreach (Guid guid in guidList)
LoadFolder(guid);
// create the tags and values collections (client-only properties)
if (folders != null)
{
foreach (Folder f in folders)
{
if (f.Items != null)
foreach (Item i in f.Items)
i.CreateTags(tags);
}
}
this.IsDataLoaded = true;
// trace finished loading data
TraceHelper.AddMessage("Finished Load Data");
}