C++ CommandExecutionContext::GetProject方法代码示例

bool SaveProjectCommand::Apply(CommandExecutionContext context)
{
   wxString fileName = GetString(wxT("Filename"));
   bool saveCompressed  = GetBool(wxT("Compress"));
   bool addToHistory  = GetBool(wxT("AddToHistory"));
   if(fileName == wxEmptyString)
      return context.GetProject()->SaveAs(saveCompressed);
   else
      return context.GetProject()->SaveAs(fileName,saveCompressed,addToHistory);
}

bool SetTrackInfoCommand::Apply(CommandExecutionContext context)
{
   wxString mode = GetString(wxT("Type"));

   long trackIndex = GetLong(wxT("TrackIndex"));

   // (Note: track selection ought to be somewhere else)
   long i = 0;
   TrackListIterator iter(context.GetProject()->GetTracks());
   Track *t = iter.First();
   while (t && i != trackIndex)
   {
      t = iter.Next();
      ++i;
   }
   if (i != trackIndex || !t)
   {
      Error(wxT("TrackIndex was invalid."));
      return false;
   }

   if (mode.IsSameAs(wxT("Name")))
   {
      wxString name = GetString(wxT("Name"));
      t->SetName(name);
   }
   else
   {
      Error(wxT("Invalid info type!"));
      return false;
   }
   return true;
}

bool ExportCommand::Apply(CommandExecutionContext context)
{
   wxString mode = GetString(wxT("Mode"));
   wxString filename = GetString(wxT("Filename"));
   long numChannels = GetLong(wxT("Channels"));

   bool selection = mode.IsSameAs(wxT("Selection"));

   double t0, t1;
   if (selection)
   {
      t0 = context.GetProject()->mViewInfo.selectedRegion.t0();
      t1 = context.GetProject()->mViewInfo.selectedRegion.t1();
   }
   else
   {
      t0 = 0.0;
      t1 = context.GetProject()->GetTracks()->GetEndTime();
   }

   // Find the extension and check it's valid
   int splitAt = filename.Find(wxUniChar('.'), true);
   if (splitAt < 0)
   {
      Error(wxT("Export filename must have an extension!"));
      return false;
   }
   wxString extension = filename.Mid(splitAt+1).MakeUpper();

   Exporter exporter;

   bool exportSuccess = exporter.Process(context.GetProject(),
                                         std::max(0L, numChannels),
                                         extension, filename,
                                         selection, t0, t1);

   if (exportSuccess)
   {
      Status(wxString::Format(wxT("Exported to %s format: %s"),
                              extension, filename));
      return true;
   }

   Error(wxString::Format(wxT("Could not export to %s format!"), extension));
   return false;
}

bool ExecMenuCommand::Apply(CommandExecutionContext context)
{
   CommandManager *cmdManager = context.GetProject()->GetCommandManager();

   wxString cmdName = GetString(wxT("CommandName"));
   auto cmdFlags = AlwaysEnabledFlag; // TODO ?
   auto cmdMask = AlwaysEnabledFlag;
   return cmdManager->HandleTextualCommand(cmdName, cmdFlags, cmdMask);
}

// ***********************  Public Methods *******************
bool SetProjectInfoCommand::Apply(CommandExecutionContext context)
{
   wxString mode = GetString(wxT("Type"));
   wxString settingsString = GetString(wxT(kSetOfTracksStr));

   if (mode.IsSameAs(wxT("SelectedTracks")))
      SetAllTracksParam( context.GetProject()->GetTracks(), settingsString,
&SetProjectInfoCommand::setSelected);

   else if (mode.IsSameAs(wxT("SoloTracks")))
      SetAllTracksParam( context.GetProject()->GetTracks(), settingsString, &SetProjectInfoCommand::setSolo);

   else if (mode.IsSameAs(wxT("MuteTracks")))
      SetAllTracksParam( context.GetProject()->GetTracks(), settingsString, &SetProjectInfoCommand::setMute);
   else
   {
      Error(wxT("Invalid info type!"));
      return false;
   }
   return true;
}

// ***********************  Public Methods *******************
bool GetProjectInfoCommand::Apply(CommandExecutionContext context)
{
   wxString mode = GetString(wxT("Type"));
   TrackList *projTracks = context.GetProject()->GetTracks();

   if (mode.IsSameAs(wxT("Name")))
   {
      Status(context.GetProject()->GetFileName());
   }
   else if (mode.IsSameAs(wxT("FocusedTrackID")))
   {
      SendFocusedTrackIndex(context);
   }
   else if (mode.IsSameAs(wxT("NumberOfTracks")))
   {
      SendNumberOfTracks(context);
   }
   else if (mode.IsSameAs(wxT("SelectedTracks")))
   {
      SendTracksInfo(projTracks, &GetProjectInfoCommand::testSelected);
   }
   else if (mode.IsSameAs(wxT("LinkedTracks")))
   {
      SendTracksInfo(projTracks, &GetProjectInfoCommand::testLinked);
   }
   else if (mode.IsSameAs(wxT("SoloTracks")))
   {
      SendTracksInfo(projTracks, &GetProjectInfoCommand::testSolo);
   }
   else if (mode.IsSameAs(wxT("MuteTracks")))
   {
      SendTracksInfo(projTracks, &GetProjectInfoCommand::testMute);
   }
   else
   {
      Error(wxT("Invalid info type!"));
      return false;
   }
   return true;
}

int GetProjectInfoCommand::SendFocusedTrackIndex(CommandExecutionContext context)
{
   int returnVal=0;
   int focusTrackIndex=0;
   TrackPanel *panel = context.GetProject()->GetTrackPanel();
   Track* focusedTrack = panel->GetFocusedTrack();

   TrackListIterator iter(context.GetProject()->GetTracks());
   Track *t = iter.First();
   while (t)
   {
      if(t == focusedTrack)   // when we've found the focused track, we know the trackIndex
      {
        returnVal = focusTrackIndex;
        break;
      }
      focusTrackIndex++;
      t = iter.Next();
   }
   wxString trackIndexStr;
   trackIndexStr << returnVal;  // convert to a string to send over named pipe
   Status(trackIndexStr);
   return returnVal;
}

int GetProjectInfoCommand::SendNumberOfTracks(CommandExecutionContext context)
{
   int returnVal=0;

   TrackListIterator iter(context.GetProject()->GetTracks());
   Track *t = iter.First();
   while (t)
   {
      returnVal++;
      t = iter.Next();
   }
   wxString trackNumStr;
   trackNumStr << returnVal;  // convert to a string to send over named pipe
   Status(trackNumStr);
   return returnVal;
}

bool GetAllMenuCommands::Apply(CommandExecutionContext context)
{
   bool showStatus = GetBool(wxT("ShowStatus"));
   wxArrayString names;
   CommandManager *cmdManager = context.GetProject()->GetCommandManager();
   cmdManager->GetAllCommandNames(names, false);
   wxArrayString::iterator iter;
   for (iter = names.begin(); iter != names.end(); ++iter)
   {
      wxString name = *iter;
      wxString out = name;
      if (showStatus)
      {
         out += wxT("\t");
         out += cmdManager->GetEnabled(name) ? wxT("Enabled") : wxT("Disabled");
      }
      Status(out);
   }
   return true;
}

bool ScreenshotCommand::Apply(CommandExecutionContext context)
{
   // Read the parameters that were passed in
   wxString filePath    = GetString(wxT("FilePath"));
   wxString captureMode = GetString(wxT("CaptureMode"));
   wxString background  = GetString(wxT("Background"));

   // Build a suitable filename
   wxString fileName = MakeFileName(filePath, captureMode);

   if (background.IsSameAs(wxT("Blue")))
   {
      mBackground = true;
      mBackColor = wxColour(51, 102, 153);
   }
   else if (background.IsSameAs(wxT("White")))
   {
      mBackground = true;
      mBackColor = wxColour(255, 255, 255);
   }
   else
   {
      mBackground = false;
   }

   // Reset the toolbars to a known state
   context.GetProject()->mToolManager->Reset();

   wxTopLevelWindow *w = GetFrontWindow(context.GetProject());
   if (!w)
   {
      return false;
   }

   if (captureMode.IsSameAs(wxT("window")))
   {
      int x = 0, y = 0;
      int width, height;

      w->ClientToScreen(&x, &y);
      w->GetClientSize(&width, &height);

      if (w != context.GetProject() && w->GetTitle() != wxT("")) {
         fileName = MakeFileName(filePath,
               captureMode + (wxT("-") + w->GetTitle() + wxT("-")));
      }

      Capture(fileName, w, x, y, width, height);
   }
   else if (captureMode.IsSameAs(wxT("fullwindow"))
         || captureMode.IsSameAs(wxT("windowplus")))
   {

      wxRect r = w->GetRect();
      r.SetPosition(w->GetScreenPosition());
      r = w->GetScreenRect();

      if (w != context.GetProject() && w->GetTitle() != wxT("")) {
         fileName = MakeFileName(filePath,
               captureMode + (wxT("-") + w->GetTitle() + wxT("-")));
      }

#if defined(__WXGTK__)
      // In wxGTK, we need to include decoration sizes
      r.width += (wxSystemSettings::GetMetric(wxSYS_BORDER_X, w) * 2);
      r.height += wxSystemSettings::GetMetric(wxSYS_CAPTION_Y, w) +
         wxSystemSettings::GetMetric(wxSYS_BORDER_Y, w);
#endif
      if (!mBackground && captureMode.IsSameAs(wxT("windowplus")))
      {
         // background colour not selected but we want a background
         wxRect b = GetBackgroundRect();
         r.x = (r.x - b.x) >= 0 ? (r.x - b.x): 0;
         r.y = (r.y - b.y) >= 0 ? (r.y - b.y): 0;
         r.width += b.width;
         r.height += b.height;
      }

      Capture(fileName, w, r.x, r.y, r.width, r.height, true);
   }
   else if (captureMode.IsSameAs(wxT("fullscreen")))
   {
      int width, height;
      wxDisplaySize(&width, &height);

      Capture(fileName, w, 0, 0, width, height);
   }
   else if (captureMode.IsSameAs(wxT("toolbars")))
   {
      CaptureDock(context.GetProject()->mToolManager->GetTopDock(), fileName);
   }
   else if (captureMode.IsSameAs(wxT("selectionbar")))
   {
      CaptureDock(context.GetProject()->mToolManager->GetBotDock(), fileName);
   }
   else if (captureMode.IsSameAs(wxT("tools")))
   {
      CaptureToolbar(context.GetProject()->mToolManager, ToolsBarID, fileName);
   }
   else if (captureMode.IsSameAs(wxT("transport")))
//.........这里部分代码省略.........

bool SelectCommand::Apply(CommandExecutionContext context)
{
   wxString mode = GetString(wxT("Mode"));
   if (mode.IsSameAs(wxT("None")))
   {
      // select none
      context.GetProject()->OnSelectNone();
   }
   else if (mode.IsSameAs(wxT("All")))
   {
      // select all
      context.GetProject()->OnSelectAll();
   }
   else if (mode.IsSameAs(wxT("Range")))
   {
      // select range
      double t0 = GetDouble(wxT("StartTime"));
      double t1 = GetDouble(wxT("EndTime"));

      TrackList *tracks = context.GetProject()->GetTracks();

      if (t0 < context.GetProject()->GetTracks()->GetMinOffset())
      {
         Error(wxT("Start time is before start of track!"));
         return false;
      }
      if (t1 > context.GetProject()->GetTracks()->GetEndTime())
      {
         Error(wxT("End time is after end of track!"));
         return false;
      }

      // PRL: to do: only setting time boundaries of current selection.
      // Should other fields be left alone, or rather
      // defaulted, as in the second branch?
      // Or should this command take more parameters?
#if 1
      context.GetProject()->mViewInfo.selectedRegion.setTimes(t0, t1);
#else
      context.GetProject()->mViewInfo.selectedRegion = SelectedRegion(t0, t1);
#endif

      // select specified tracks
      long firstTrack = GetLong(wxT("FirstTrack"));
      long lastTrack = GetLong(wxT("LastTrack"));

      if (firstTrack < 0)
      {
         Error(wxT("Trying to select a negatively numbered track!"));
         return false;
      }
      if (lastTrack >= tracks->GetCount())
      {
         Error(wxT("Trying to select higher number track than exists!"));
         return false;
      }

      int index = 0;
      TrackListIterator iter(tracks);
      Track *t = iter.First();
      while (t) {
         bool sel = firstTrack <= index && index <= lastTrack;
         t->SetSelected(sel);

         if (sel)
            Status(wxT("Selected track '") + t->GetName() + wxT("'"));

         t = iter.Next();
         ++index;
      }
      wxASSERT(index >= lastTrack);
   }
   else if (mode.IsSameAs(wxT("Name")))
   {
      wxString name = GetString(wxT("TrackName"));
      TrackList *tracks = context.GetProject()->GetTracks();
      TrackListIterator iter(tracks);
      Track *t = iter.First();
      while (t) {
         bool sel = t->GetName().IsSameAs(name);
         t->SetSelected(sel);

         if (sel)
            Status(wxT("Selected track '") + t->GetName() + wxT("'"));

         t = iter.Next();
      }
   }
   else
   {
      Error(wxT("Invalid selection mode!"));
      return false;
   }
   return true;
}