/// <summary>
/// Toggle on and off subscription to
/// automatic cloud updates.
/// </summary>
public static ExternalEvent ToggleSubscription(
// EventHandler<IdlingEventArgs> handler
IExternalEventHandler handler)
{
if (Subscribed)
{
Debug.Print("Unsubscribing...");
//_uiapp.Idling -= _handler;
//_handler = null;
_event.Dispose();
_event = null;
_buttons[_subscribeButtonIndex].ItemText
= _subscribe;
_timer.Stop();
_timer.Report("Subscription timing");
_timer = null;
Debug.Print("Unsubscribed.");
}
else
{
Debug.Print("Subscribing...");
//_uiapp.Idling += handler;
//_handler = handler;
_event = ExternalEvent.Create(handler);
_buttons[_subscribeButtonIndex].ItemText
= _unsubscribe;
_timer = new JtTimer("Subscription");
Debug.Print("Subscribed.");
}
return(_event);
}
public DbUpdater(UIApplication uiapp)
{
using (JtTimer pt = new JtTimer("DbUpdater ctor"))
{
//_doc = doc;
_uiapp = uiapp;
_creapp = _uiapp.Application.Create;
}
}
public DbUpdater( UIApplication uiapp )
{
using( JtTimer pt = new JtTimer( "DbUpdater ctor" ) )
{
//_doc = doc;
_uiapp = uiapp;
_creapp = _uiapp.Application.Create;
}
}
public RoomEditorDb()
{
using (JtTimer pt = new JtTimer("RoomEditorDb ctor"))
{
if (null == _client)
{
_client = new CouchClient(_url_local, 5984);
}
if (null == _db)
{
_db = _client.GetDatabase(_database_name, true);
}
}
}
/// <summary>
/// Determine whether the given sequence number
/// matches the most up-to-date status.
/// </summary>
public bool LastSequenceNumberChanged(int since)
{
using (JtTimer pt = new JtTimer(
"LastSequenceNumberChanged"))
{
ChangeOptions opt = new ChangeOptions();
opt.Since = since;
opt.IncludeDocs = false;
CouchChanges <DbFurniture> changes
= _db.GetChanges <DbFurniture>(opt);
CouchChangeResult <DbFurniture> r
= changes.Results.LastOrDefault <
CouchChangeResult <DbFurniture> >();
Debug.Assert(null == r || since < r.Sequence,
"expected monotone growing sequence number");
return(null != r && since < r.Sequence);
}
}
/// <summary>
/// Repeatedly check database status and raise
/// external event when updates are pending.
/// Relinquish control and wait for timeout
/// period between each attempt. Run in a
/// separate thread.
/// </summary>
static void CheckForPendingDatabaseChanges()
{
while (null != _event)
{
++_nLoopCount;
Debug.Assert(null != _event,
"expected non-null external event");
if (null != _event)
{
break;
}
if (_event.IsPending)
{
Util.Log(string.Format(
"CheckForPendingDatabaseChanges loop {0} - "
+ "database update event is pending",
_nLoopCount));
}
else
{
using (JtTimer pt = new JtTimer(
"CheckForPendingDatabaseChanges"))
{
++_nCheckCount;
Util.Log(string.Format(
"CheckForPendingDatabaseChanges loop {0} - "
+ "check for changes {1}",
_nLoopCount, _nCheckCount));
RoomEditorDb rdb = new RoomEditorDb();
if (rdb.LastSequenceNumberChanged(
DbUpdater.LastSequence))
{
_event.Raise();
++_nUpdatesRequested;
Util.Log(string.Format(
"database update pending event raised {0} times",
_nUpdatesRequested));
#region Obsolete attempts that failed
// Move the mouse in case the user does
// not. Otherwise, it may take a while
// before Revit forwards the event Raise
// to the event handler Execute method.
// Just moving the mouse is not enough:
//System.Drawing.Point p = Cursor.Position;
//Cursor.Position = new System.Drawing
// .Point( p.X + 1, p.Y );
//Cursor.Position = p;
// This did not work either:
//[DllImport( "user32.dll" )]
//static extern IntPtr SetFocus(
// IntPtr hwnd );
//IWin32Window revit_window
// = new JtWindowHandle(
// ComponentManager.ApplicationWindow );
//IntPtr hwnd = SetFocus( revit_window.Handle );
//IntPtr hwnd2 = SetFocus( hwnd );
//Debug.Print( "set to rvt {0} --> {1} --> {2}",
// revit_window.Handle, hwnd, hwnd2 );
// Try SendKeys?
#endregion // Obsolete attempts that failed
// Set focus to Revit for a moment.
// Otherwise, it may take a while before
// Revit forwards the event Raise to the
// event handler Execute method.
IntPtr hBefore = GetForegroundWindow();
SetForegroundWindow(
ComponentManager.ApplicationWindow);
SetForegroundWindow(hBefore);
}
}
}
// Wait a moment and relinquish control before
// next check for pending database updates.
Thread.Sleep(_timeout);
}
}
/// <summary>
/// Apply all current cloud database
/// changes to the BIM.
/// </summary>
public void UpdateBim()
{
Util.Log("UpdateBim begin");
using (JtTimer pt = new JtTimer("UpdateBim"))
{
Document doc = _uiapp.ActiveUIDocument.Document;
// Retrieve all room unique ids in model:
FilteredElementCollector rooms
= new FilteredElementCollector(doc)
.OfClass(typeof(SpatialElement))
.OfCategory(BuiltInCategory.OST_Rooms);
IEnumerable <string> roomUniqueIds
= rooms.Select <Element, string>(
e => e.UniqueId);
// Convert to a dictionary for faster lookup:
_roomUniqueIdDict
= new Dictionary <string, int>(
roomUniqueIds.Count());
foreach (string s in roomUniqueIds)
{
_roomUniqueIdDict.Add(s, 1);
}
//string ids = "?keys=[%22" + string.Join(
// "%22,%22", roomUniqueIds ) + "%22]";
// Retrieve all furniture transformations
// after the last sequence number:
CouchDatabase db = new RoomEditorDb().Db;
ChangeOptions opt = new ChangeOptions();
opt.IncludeDocs = true;
opt.Since = LastSequence;
opt.View = "roomedit/map_room_to_furniture";
// I tried to add a filter to this view, but
// that is apparently not supported by the
// CouchDB or DreamSeat GetChanges functionality.
//+ ids; // failed attempt to filter view by room id keys
// Specify filter function defined in
// design document to get updates
//opt.Filter =
CouchChanges <DbFurniture> changes
= db.GetChanges <DbFurniture>(opt);
CouchChangeResult <DbFurniture>[] results
= changes.Results;
foreach (CouchChangeResult <DbFurniture> result
in results)
{
UpdateBimFurniture(result.Doc);
LastSequence = result.Sequence;
}
}
Util.Log("UpdateBim end");
}
/// <summary>
/// Toggle on and off subscription to
/// automatic cloud updates.
/// </summary>
public static ExternalEvent ToggleSubscription(
// EventHandler<IdlingEventArgs> handler
IExternalEventHandler handler)
{
if( Subscribed )
{
Debug.Print( "Unsubscribing..." );
//_uiapp.Idling -= _handler;
//_handler = null;
_event.Dispose();
_event = null;
_buttons[_subscribeButtonIndex].ItemText
= _subscribe;
_timer.Stop();
_timer.Report( "Subscription timing" );
_timer = null;
Debug.Print( "Unsubscribed." );
}
else
{
Debug.Print( "Subscribing..." );
//_uiapp.Idling += handler;
//_handler = handler;
_event = ExternalEvent.Create( handler );
_buttons[_subscribeButtonIndex].ItemText
= _unsubscribe;
_timer = new JtTimer( "Subscription" );
Debug.Print( "Subscribed." );
}
return _event;
}
/// <summary>
/// Wait far a moment before requerying database.
/// </summary>
//static Stopwatch _stopwatch = null;
void OnIdling(
object sender,
IdlingEventArgs ea)
{
using (JtTimer pt = new JtTimer("OnIdling"))
{
// Use with care! This loads the CPU:
ea.SetRaiseWithoutDelay();
++_counter;
if (0 == (_counter % _update_interval))
{
if (0 == (_counter % _message_interval))
{
Util.Log(string.Format(
"OnIdling called {0} times",
_counter));
}
// Have we waited long enough since the last attempt?
//if( null == _stopwatch
// || _stopwatch.ElapsedMilliseconds > 500 )
RoomEditorDb rdb = new RoomEditorDb();
//int n = rdb.LastSequenceNumber;
if (rdb.LastSequenceNumberChanged(
DbUpdater.LastSequence))
{
UIApplication uiapp = sender as UIApplication;
Document doc = uiapp.ActiveUIDocument.Document;
Util.Log("furniture update begin");
//FilteredElementCollector rooms
// = new FilteredElementCollector( doc )
// .OfClass( typeof( SpatialElement ) )
// .OfCategory( BuiltInCategory.OST_Rooms );
//IEnumerable<string> roomUniqueIds
// = rooms.Select<Element, string>(
// e => e.UniqueId );
//CouchDatabase db = rdb.Db;
//ChangeOptions opt = new ChangeOptions();
//opt.IncludeDocs = true;
//opt.Since = CmdUpdate.LastSequence;
//opt.View = "roomedit/map_room_to_furniture";
//CouchChanges<DbFurniture> changes
// = db.GetChanges<DbFurniture>( opt );
//CouchChangeResult<DbFurniture>[] results
// = changes.Results;
//DbUpdater updater = new DbUpdater(
// doc, roomUniqueIds );
//foreach( CouchChangeResult<DbFurniture> result
// in results )
//{
// updater.UpdateBimFurniture( result.Doc );
// CmdUpdate.LastSequence = result.Sequence;
//}
DbUpdater updater = new DbUpdater(uiapp);
updater.UpdateBim();
Util.Log("furniture update end");
// _stopwatch = new Stopwatch();
// _stopwatch.Start();
//}
//catch( Exception ex )
//{
// //uiapp.Application.WriteJournalComment
// Debug.Print(
// "Room Editor: an error occurred "
// + "executing the OnIdling event:\r\n"
// + ex.ToString() );
// Debug.WriteLine( ex );
//}
}
}
}
}
/// <summary>
/// Repeatedly check database status and raise
/// external event when updates are pending.
/// Relinquish control and wait for timeout
/// period between each attempt. Run in a
/// separate thread.
/// </summary>
static void CheckForPendingDatabaseChanges()
{
while( null != App.Event )
{
++_nLoopCount;
//Debug.Assert( null != _event,
//"expected non-null external event" );
//if( null == _event )
//{
// break;
//}
if( App.Event.IsPending )
{
Util.Log( string.Format(
"CheckForPendingDatabaseChanges loop {0} - "
+ "database update event is pending",
_nLoopCount ) );
}
else
{
using( JtTimer pt = new JtTimer(
"CheckForPendingDatabaseChanges" ) )
{
++_nCheckCount;
Util.Log( string.Format(
"CheckForPendingDatabaseChanges loop {0} - "
+ "check for changes {1}",
_nLoopCount, _nCheckCount ) );
RoomEditorDb rdb = new RoomEditorDb();
if( rdb.LastSequenceNumberChanged(
DbUpdater.LastSequence ) )
{
App.Event.Raise();
++_nUpdatesRequested;
Util.Log( string.Format(
"database update pending event raised {0} times",
_nUpdatesRequested ) );
#region Obsolete attempts that failed
// Move the mouse in case the user does
// not. Otherwise, it may take a while
// before Revit forwards the event Raise
// to the event handler Execute method.
// Just moving the mouse is not enough:
//System.Drawing.Point p = Cursor.Position;
//Cursor.Position = new System.Drawing
// .Point( p.X + 1, p.Y );
//Cursor.Position = p;
// This did not work either:
//[DllImport( "user32.dll" )]
//static extern IntPtr SetFocus(
// IntPtr hwnd );
//IWin32Window revit_window
// = new JtWindowHandle(
// ComponentManager.ApplicationWindow );
//IntPtr hwnd = SetFocus( revit_window.Handle );
//IntPtr hwnd2 = SetFocus( hwnd );
//Debug.Print( "set to rvt {0} --> {1} --> {2}",
// revit_window.Handle, hwnd, hwnd2 );
// Try SendKeys?
#endregion // Obsolete attempts that failed
// Set focus to Revit for a moment.
// Otherwise, it may take a while before
// Revit forwards the event Raise to the
// event handler Execute method.
IntPtr hBefore = GetForegroundWindow();
SetForegroundWindow(
ComponentManager.ApplicationWindow );
SetForegroundWindow( hBefore );
}
}
}
// Wait a moment and relinquish control before
// next check for pending database updates.
Thread.Sleep( _timeout );
}
}
/// <summary>
/// Apply all current cloud database
/// changes to the BIM.
/// </summary>
public void UpdateBim()
{
Util.Log( "UpdateBim begin" );
using( JtTimer pt = new JtTimer( "UpdateBim" ) )
{
Document doc = _uiapp.ActiveUIDocument.Document;
// Retrieve all room unique ids in model:
FilteredElementCollector rooms
= new FilteredElementCollector( doc )
.OfClass( typeof( SpatialElement ) )
.OfCategory( BuiltInCategory.OST_Rooms );
IEnumerable<string> roomUniqueIds
= rooms.Select<Element, string>(
e => e.UniqueId );
// Convert to a dictionary for faster lookup:
_roomUniqueIdDict
= new Dictionary<string, int>(
roomUniqueIds.Count() );
foreach( string s in roomUniqueIds )
{
_roomUniqueIdDict.Add( s, 1 );
}
//string ids = "?keys=[%22" + string.Join(
// "%22,%22", roomUniqueIds ) + "%22]";
// Retrieve all furniture transformations
// after the last sequence number:
CouchDatabase db = new RoomEditorDb().Db;
ChangeOptions opt = new ChangeOptions();
opt.IncludeDocs = true;
opt.Since = LastSequence;
opt.View = "roomedit/map_room_to_furniture";
// I tried to add a filter to this view, but
// that is apparently not supported by the
// CouchDB or DreamSeat GetChanges functionality.
//+ ids; // failed attempt to filter view by room id keys
// Specify filter function defined in
// design document to get updates
//opt.Filter =
CouchChanges<DbFurniture> changes
= db.GetChanges<DbFurniture>( opt );
CouchChangeResult<DbFurniture>[] results
= changes.Results;
foreach( CouchChangeResult<DbFurniture> result
in results )
{
UpdateBimFurniture( result.Doc );
LastSequence = result.Sequence;
}
}
Util.Log( "UpdateBim end" );
}
/// <summary>
/// Wait far a moment before requerying database.
/// </summary>
//static Stopwatch _stopwatch = null;
void OnIdling(
object sender,
IdlingEventArgs ea )
{
using( JtTimer pt = new JtTimer( "OnIdling" ) )
{
// Use with care! This loads the CPU:
ea.SetRaiseWithoutDelay();
++_counter;
if( 0 == ( _counter % _update_interval ) )
{
if( 0 == ( _counter % _message_interval ) )
{
Util.Log( string.Format(
"OnIdling called {0} times",
_counter ) );
}
// Have we waited long enough since the last attempt?
//if( null == _stopwatch
// || _stopwatch.ElapsedMilliseconds > 500 )
RoomEditorDb rdb = new RoomEditorDb();
//int n = rdb.LastSequenceNumber;
if( rdb.LastSequenceNumberChanged(
DbUpdater.LastSequence ) )
{
UIApplication uiapp = sender as UIApplication;
Document doc = uiapp.ActiveUIDocument.Document;
Util.Log( "furniture update begin" );
//FilteredElementCollector rooms
// = new FilteredElementCollector( doc )
// .OfClass( typeof( SpatialElement ) )
// .OfCategory( BuiltInCategory.OST_Rooms );
//IEnumerable<string> roomUniqueIds
// = rooms.Select<Element, string>(
// e => e.UniqueId );
//CouchDatabase db = rdb.Db;
//ChangeOptions opt = new ChangeOptions();
//opt.IncludeDocs = true;
//opt.Since = CmdUpdate.LastSequence;
//opt.View = "roomedit/map_room_to_furniture";
//CouchChanges<DbFurniture> changes
// = db.GetChanges<DbFurniture>( opt );
//CouchChangeResult<DbFurniture>[] results
// = changes.Results;
//DbUpdater updater = new DbUpdater(
// doc, roomUniqueIds );
//foreach( CouchChangeResult<DbFurniture> result
// in results )
//{
// updater.UpdateBimFurniture( result.Doc );
// CmdUpdate.LastSequence = result.Sequence;
//}
DbUpdater updater = new DbUpdater( uiapp );
updater.UpdateBim();
Util.Log( "furniture update end" );
// _stopwatch = new Stopwatch();
// _stopwatch.Start();
//}
//catch( Exception ex )
//{
// //uiapp.Application.WriteJournalComment
// Debug.Print(
// "Room Editor: an error occurred "
// + "executing the OnIdling event:\r\n"
// + ex.ToString() );
// Debug.WriteLine( ex );
//}
}
}
}
}