1 // Copyright (C) 2010-2014 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
19 #include <PVViewer_ViewManager.h>
20 #include <PVViewer_ViewModel.h>
21 #include <PVViewer_ViewWindow.h>
22 #include <PVViewer_Behaviors.h>
23 #include <PVViewer_LogWindowAdapter.h>
24 #include <utilities.h>
25 #include <SalomeApp_Application.h>
26 #include <SALOMEconfig.h>
27 #include <SALOME_LifeCycleCORBA.hxx>
28 #include <SUIT_MessageBox.h>
29 #include <SUIT_Desktop.h>
30 #include <SUIT_Session.h>
31 #include <SUIT_ResourceMgr.h>
32 #include <PyInterp_Interp.h>
33 #include <PyConsole_Interp.h>
34 #include <PyConsole_Console.h>
36 #include <QApplication>
37 #include <QStringList>
41 #include <pqOptions.h>
43 #include <pqSettings.h>
44 #include <pqServerDisconnectReaction.h>
45 #include <pqPVApplicationCore.h>
46 #include <pqTabbedMultiViewWidget.h>
47 #include <pqActiveObjects.h>
48 #include <pqServerConnectReaction.h>
50 //---------- Static init -----------------
51 pqPVApplicationCore* PVViewer_ViewManager::MyCoreApp = 0;
52 PARAVIS_ORB::PARAVIS_Gen_var PVViewer_ViewManager::MyEngine;
53 bool PVViewer_ViewManager::ConfigLoaded = false;
54 PVViewer_Behaviors * PVViewer_ViewManager::ParaviewBehaviors = NULL;
59 PVViewer_ViewManager::PVViewer_ViewManager( SUIT_Study* study, SUIT_Desktop* desk )
60 : SUIT_ViewManager( study, desk, new PVViewer_Viewer() )
62 MESSAGE("PARAVIS - view manager created ...")
63 setTitle( tr( "PARAVIEW_VIEW_TITLE" ) );
64 // Initialize minimal paraview stuff (if not already done)
65 ParaviewInitApp(desk);
67 connect(this, SIGNAL(viewCreated(SUIT_ViewWindow*)), this, SLOT(onPVViewCreated(SUIT_ViewWindow*)));
70 pqPVApplicationCore * PVViewer_ViewManager::GetPVApplication()
76 \brief Static method, performs initialization of ParaView session.
77 \param fullSetup whether to instanciate all behaviors or just the minimal ones.
78 \return \c true if ParaView has been initialized successfully, otherwise false
80 bool PVViewer_ViewManager::ParaviewInitApp(SUIT_Desktop * aDesktop)
83 // Obtain command-line arguments
86 QString aOptions = getenv("PARAVIS_OPTIONS");
87 QStringList aOptList = aOptions.split(":", QString::SkipEmptyParts);
88 argv = new char*[aOptList.size() + 1];
89 QStringList args = QApplication::arguments();
90 argv[0] = (args.size() > 0)? strdup(args[0].toLatin1().constData()) : strdup("paravis");
93 foreach (QString aStr, aOptList) {
94 argv[argc] = strdup( aStr.toLatin1().constData() );
97 MyCoreApp = new pqPVApplicationCore (argc, argv);
98 if (MyCoreApp->getOptions()->GetHelpSelected() ||
99 MyCoreApp->getOptions()->GetUnknownArgument() ||
100 MyCoreApp->getOptions()->GetErrorMessage() ||
101 MyCoreApp->getOptions()->GetTellVersion()) {
105 // Direct VTK log messages to our SALOME window - TODO: review this
106 vtkOutputWindow::SetInstance(PVViewer_LogWindowAdapter::New());
108 new pqTabbedMultiViewWidget(); // registers a "MULTIVIEW_WIDGET" on creation
110 // At this stage, the pqPythonManager has been initialized, i.e. the current process has
111 // activated the embedded Python interpreter. "paraview" package has also been imported once already.
112 // Make sure the current process executes paraview's Python command with the "fromGUI" flag.
113 // This is used in pvsimple.py to avoid reconnecting the GUI thread to the pvserver (when
114 // user types "import pvsimple" in SALOME's console).
115 SalomeApp_Application* app =
116 dynamic_cast< SalomeApp_Application* >(SUIT_Session::session()->activeApplication());
117 PyConsole_Interp* pyInterp = app->pythonConsole()->getInterp();
120 std::string cmd = "import paraview; paraview.fromGUI = True;";
121 pyInterp->run(cmd.c_str());
124 for (int i = 0; i < argc; i++)
132 void PVViewer_ViewManager::ParaviewInitBehaviors(bool fullSetup, SUIT_Desktop* aDesktop)
134 if (!ParaviewBehaviors)
135 ParaviewBehaviors = new PVViewer_Behaviors(aDesktop);
138 ParaviewBehaviors->instanciateAllBehaviors(aDesktop);
140 ParaviewBehaviors->instanciateMinimalBehaviors(aDesktop);
143 void PVViewer_ViewManager::ParaviewLoadConfigurations()
147 SUIT_ResourceMgr* resMgr = SUIT_Session::session()->resourceMgr();
148 QString aPath = resMgr->stringValue("resources", "PARAVIS", QString());
149 if (!aPath.isNull()) {
150 MyCoreApp->loadConfiguration(aPath + QDir::separator() + "ParaViewFilters.xml");
151 MyCoreApp->loadConfiguration(aPath + QDir::separator() + "ParaViewReaders.xml");
152 MyCoreApp->loadConfiguration(aPath + QDir::separator() + "ParaViewSources.xml");
153 MyCoreApp->loadConfiguration(aPath + QDir::separator() + "ParaViewWriters.xml");
159 void PVViewer_ViewManager::ParaviewCleanup()
161 // Disconnect from server
162 pqServer* server = pqActiveObjects::instance().activeServer();
163 if (server && server->isRemote())
165 MESSAGE("~PVViewer_Module(): Disconnecting from remote server ...");
166 pqServerDisconnectReaction::disconnectFromServer();
169 pqApplicationCore::instance()->settings()->sync();
171 pqPVApplicationCore * app = GetPVApplication();
172 // [ABN] : TODO review this, this triggers an ugly crash (Python thread state mix-up)
174 // Schedule destruction of PVApplication singleton:
176 // app->deleteLater();
179 PARAVIS_ORB::PARAVIS_Gen_var PVViewer_ViewManager::GetEngine()
181 // initialize PARAVIS module engine (load, if necessary)
182 if ( CORBA::is_nil( MyEngine ) ) {
183 Engines::EngineComponent_var comp =
184 SalomeApp_Application::lcc()->FindOrLoad_Component( "FactoryServer", "PARAVIS" );
185 MyEngine = PARAVIS_ORB::PARAVIS_Gen::_narrow( comp );
190 bool PVViewer_ViewManager::ConnectToExternalPVServer(SUIT_Desktop* aDesktop)
192 pqServer* server = pqActiveObjects::instance().activeServer();
193 if (server && server->isRemote())
195 // Already connected to an external server, do nothing
196 MESSAGE("connectToExternalPVServer(): Already connected to an external PVServer, won't reconnect.");
200 if (GetEngine()->GetGUIConnected())
202 // Should never be there as the above should already tell us that we are connected.
203 std::stringstream msg2;
204 msg2 << "Internal error while connecting to the pvserver.";
205 msg2 << "ParaView doesn't see a connection, but PARAVIS engine tells us there is already one!" << std::endl;
206 qWarning(msg2.str().c_str()); // will go to the ParaView console (see ParavisMessageOutput below)
207 SUIT_MessageBox::warning( aDesktop,
208 QString("Error connecting to PVServer"), QString(msg2.str().c_str()));
212 std::stringstream msg;
214 // Try to connect to the external PVServer - gives priority to an externally specified URL:
215 QString serverUrlEnv = getenv("PARAVIS_PVSERVER_URL");
216 std::string serverUrl;
217 if (!serverUrlEnv.isEmpty())
218 serverUrl = serverUrlEnv.toStdString();
221 // Get the URL from the engine (possibly starting the pvserver)
222 CORBA::String_var url = GetEngine()->FindOrStartPVServer(0); // take the first free port
223 serverUrl = (char *)url;
226 msg << "connectToExternalPVServer(): Trying to connect to the external PVServer '" << serverUrl << "' ...";
229 if (!pqServerConnectReaction::connectToServer(pqServerResource(serverUrl.c_str())))
231 std::stringstream msg2;
232 msg2 << "Error while connecting to the requested pvserver '" << serverUrl;
233 msg2 << "'. Might use default built-in connection instead!" << std::endl;
234 qWarning(msg2.str().c_str()); // will go to the ParaView console (see ParavisMessageOutput below)
235 SUIT_MessageBox::warning( aDesktop,
236 QString("Error connecting to PVServer"), QString(msg2.str().c_str()));
241 MESSAGE("connectToExternalPVServer(): Connected!");
242 GetEngine()->SetGUIConnected(true);
247 void PVViewer_ViewManager::onPVViewCreated(SUIT_ViewWindow* w)
249 PVViewer_ViewWindow * w2 = dynamic_cast<PVViewer_ViewWindow *>(w);
250 Q_ASSERT(w2 != NULL);
251 connect(w2, SIGNAL(applyRequest()), ParaviewBehaviors, SLOT(onEmulateApply()));