/// <summary>
/// Replaces an existing writing system with the specified writing system if they
/// have the same identifier.
/// </summary>
/// <param name="ws">The writing system.</param>
public void Replace(IWritingSystem ws)
{
var palasoWs = (PalasoWritingSystem)ws;
lock (m_syncRoot)
{
IWritingSystem existingWs;
if (TryGet(palasoWs.Id, out existingWs))
{
if (existingWs == palasoWs)
{
// don't do anything
return;
}
m_handleWss.Remove(existingWs.Handle);
m_localStore.Remove(existingWs.Id);
m_localStore.Set(palasoWs);
palasoWs.WritingSystemManager = this;
palasoWs.Handle = existingWs.Handle;
m_handleWss[palasoWs.Handle] = palasoWs;
}
else
{
Set(ws);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="ws">The ws.</param>
protected override void OnChangeNotifySharedStore(WritingSystemDefinition ws)
{
base.OnChangeNotifySharedStore(ws);
if (m_globalStore != null)
{
WritingSystemDefinition globalWs;
if (m_globalStore.TryGet(ws.Id, out globalWs))
{
if (ws.DateModified > globalWs.DateModified)
{
WritingSystemDefinition newWs = ws.Clone();
newWs.Modified = true;
try
{
m_globalStore.Remove(ws.Id);
m_globalStore.Set(newWs);
}
catch (UnauthorizedAccessException)
{
// Live with it if we can't update the global store. In a CS world we might
// well not have permission.
}
}
}
else
{
m_globalStore.Set(ws.Clone());
}
}
}
/// <summary>
///
/// </summary>
/// <param name="ws">The ws.</param>
protected override void OnChangeNotifySharedStore(IWritingSystemDefinition ws)
{
base.OnChangeNotifySharedStore(ws);
if (m_globalStore != null)
{
if (m_globalStore.Contains(ws.Id))
{
if (ws.DateModified > m_globalStore.Get(ws.Id).DateModified)
{
WritingSystemDefinition newWs = ws.Clone();
newWs.Modified = true;
m_globalStore.Remove(ws.Id);
m_globalStore.Set(newWs);
}
}
else
{
m_globalStore.Set(ws.Clone());
}
}
}