// Category.ToThemeList, overloads
public ThemeListNode(string name, string path, Metadata metadata, string desc)
: base(name, null, metadata, desc)
{
IsInitialized = false;
FilePath = path;
Author = new ThemeListAuthor();
_status = ThemeListStatus.Created;
GetDataSource();
// TryToGetDataStore() will set _readonly for theme
ThemeList = this;
IsInitialized = true;
}
public void Save()
{
if (this is ThemeListNode && _status == ThemeListStatus.Dirty)
{
_status = ThemeListStatus.Saving;
_dataStore.Save(this);
_status = ThemeListStatus.Loaded;
}
}
// FIXME - work needs to be done on the UI to put this new node in the Themelist treeview
private void SaveAs(string path, string version)
{
// create backup of current settings in case save doesn't work.
Store oldDatastore = _dataStore;
ThemeListStatus oldStatus = _status;
string ext = Path.GetExtension(path);
if (ext != null)
ext = ext.ToLower();
switch (ext)
{
case ".tmz":
throw new NotImplementedException();
case ".tml":
case ".xml":
_dataStore = XmlStore.CreateNew(path, version); break;
case ".mdb":
_dataStore = MdbStore.CreateNew(path, version); break;
default:
throw new ArgumentException(path + " is not a supported theme list file type.");
}
if (_dataStore == null)
{
_dataStore = oldDatastore;
throw new ArgumentException("Unable to create a Theme List at " + path);
}
FilePath = path;
FileType = ext.Substring(1, 3);
_status = ThemeListStatus.Dirty;
try
{
Save();
}
catch (Exception)
{
_dataStore = oldDatastore;
_status = oldStatus;
throw;
}
}
// Build is not thread safe. In a multi-threaded app, it must be called in side a lock.
// Locking is the callers responsibility.
public void Build()
{
if (!IsValid)
throw new Exception("File is not a valid ThemeList");
if (_status == ThemeListStatus.Initialized)
{
_status = ThemeListStatus.Loading;
_dataStore.Build(this);
//UpdateImageIndex(true);
_status = ThemeListStatus.Loaded;
}
}
private Store TryToGetDataStore()
{
// If we return from this routine prematurely, then we do not have a valid datastore
_status = ThemeListStatus.Created;
if (!HasData)
return null;
//if (string.IsNullOrEmpty(Data.Path))
// return null;
Store datastore;
string ext = Path.GetExtension(FilePath);
if (ext != null)
ext = ext.ToLower();
switch (ext)
{
case ".tmz":
throw new NotImplementedException();
case ".tml":
case ".xml":
datastore = new XmlStore(FilePath); break;
case ".mdb":
datastore = new MdbStore(FilePath); break;
default:
return null;
}
if (!datastore.IsThemeList)
return null;
_status = ThemeListStatus.Initialized;
return datastore;
}
public TmNode(TmNodeType nodeType, string name, TmNode parent, ThemeData data, Metadata metadata, string desc, DateTime? pubDate)
{
_type = nodeType;
_name = name;
Parent = parent;
_pubDate = pubDate.HasValue ? pubDate.Value : DefaultPubDate;
//_readonly = (Parent == null) ? false : Parent._readonly;
_description = desc;
// Always create a data and Metadata object, else data binding in properties form won't work.
_data = data ?? new ThemeData();
_data.PropertyChanged += Data_PropertyChanged;
Metadata = metadata ?? new Metadata();
Metadata.PropertyChanged += Metadata_PropertyChanged;
if (_type == TmNodeType.ThemeList)
{
Author = new ThemeListAuthor();
_status = ThemeListStatus.Created;
_dataStore = TryToGetDataStore();
// TryToGetDataStore() will set _readonly for theme
ThemeList = this;
}
}
// Build is not thread safe. In a multi-threaded app, it must be called in side a lock.
// Locking is the callers responsibility.
public void Build()
{
if (!IsValidThemeList)
throw new Exception("File is not a valid ThemeList");
if (_status == ThemeListStatus.Initialized)
{
_status = ThemeListStatus.Loading;
_dataStore.Build(this);
//FIXME - Remove side effects, This should be a call to update Age
_ageInDays = -1; // Needs to be reset based on children
// call UpdateImageIndex on all descendents (they may not have been set correctly when loaded).
UpdateImageIndex(true);
_status = ThemeListStatus.Loaded;
}
}
// FIXME - work needs to be done on the UI to put this new node in the Themelist treeview
private void SaveAs(string path, string version)
{
Debug.Assert(IsThemeList, "SaveAs... is only valid for a themelist");
//Debug.Assert(HasData, "Theme List has no data object");
// create backup of current settings in case save doesn't work.
ThemeData oldData = (ThemeData)Data.Clone();
TmNodeType oldKind = Type;
Store oldDatastore = _dataStore;
ThemeListStatus oldStatus = _status;
string ext = Path.GetExtension(path);
if (ext != null)
ext = ext.ToLower();
switch (ext)
{
case ".tmz":
throw new NotImplementedException();
case ".tml":
case ".xml":
_dataStore = XmlStore.CreateNew(path, version); break;
case ".mdb":
_dataStore = MdbStore.CreateNew(path, version); break;
default:
throw new ArgumentException(path + " is not a supported theme list file type.");
}
if (_dataStore == null)
{
_dataStore = oldDatastore;
throw new ArgumentException("Unable to create a Theme List at " + path);
}
Data.Path = path;
Data.Type = ext.Substring(1, 3);
Data.Version = version;
_type = TmNodeType.ThemeList;
_status = ThemeListStatus.Dirty;
try
{
Save();
}
catch (Exception)
{
Data = oldData;
_type = oldKind;
_dataStore = oldDatastore;
_status = oldStatus;
throw;
}
IsReadOnly = false;
}
