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_LogWindowAdapter.h"
23 #include "PVViewer_GUIElements.h"
24 #include "PVViewer_Behaviors.h"
25 #include "PVViewer_EngineWrapper.h"
27 #include <utilities.h>
28 #include <SalomeApp_Application.h>
29 #include <SUIT_MessageBox.h>
30 #include <SUIT_Desktop.h>
31 #include <SUIT_Session.h>
32 #include <SUIT_ResourceMgr.h>
33 #include <PyInterp_Interp.h>
34 #include <PyConsole_Interp.h>
35 #include <PyConsole_Console.h>
37 #include <QApplication>
38 #include <QStringList>
43 #include <pqOptions.h>
45 #include <pqSettings.h>
46 #include <pqServerDisconnectReaction.h>
47 #include <pqPVApplicationCore.h>
48 #include <pqTabbedMultiViewWidget.h>
49 #include <pqActiveObjects.h>
50 #include <pqServerConnectReaction.h>
52 #include <pqParaViewMenuBuilders.h>
53 #include <pqPipelineBrowserWidget.h>
55 //---------- Static init -----------------
56 pqPVApplicationCore* PVViewer_ViewManager::MyCoreApp = 0;
57 bool PVViewer_ViewManager::ConfigLoaded = false;
58 PVViewer_Behaviors * PVViewer_ViewManager::ParaviewBehaviors = NULL;
63 PVViewer_ViewManager::PVViewer_ViewManager( SUIT_Study* study, SUIT_Desktop* desk )
64 : SUIT_ViewManager( study, desk, new PVViewer_Viewer() ),
67 MESSAGE("PARAVIS - view manager created ...")
68 setTitle( tr( "PARAVIEW_VIEW_TITLE" ) );
69 // Initialize minimal paraview stuff (if not already done)
70 ParaviewInitApp(desk);
72 // connect(this, SIGNAL(viewCreated(SUIT_ViewWindow*)), this, SLOT(onPVViewCreated(SUIT_ViewWindow*)));
75 pqPVApplicationCore * PVViewer_ViewManager::GetPVApplication()
81 \brief Static method, performs initialization of ParaView session.
82 \param fullSetup whether to instanciate all behaviors or just the minimal ones.
83 \return \c true if ParaView has been initialized successfully, otherwise false
85 bool PVViewer_ViewManager::ParaviewInitApp(SUIT_Desktop * aDesktop)
88 // Obtain command-line arguments
91 QString aOptions = getenv("PARAVIS_OPTIONS");
92 QStringList aOptList = aOptions.split(":", QString::SkipEmptyParts);
93 argv = new char*[aOptList.size() + 1];
94 QStringList args = QApplication::arguments();
95 argv[0] = (args.size() > 0)? strdup(args[0].toLatin1().constData()) : strdup("paravis");
98 foreach (QString aStr, aOptList) {
99 argv[argc] = strdup( aStr.toLatin1().constData() );
102 MyCoreApp = new pqPVApplicationCore (argc, argv);
103 if (MyCoreApp->getOptions()->GetHelpSelected() ||
104 MyCoreApp->getOptions()->GetUnknownArgument() ||
105 MyCoreApp->getOptions()->GetErrorMessage() ||
106 MyCoreApp->getOptions()->GetTellVersion()) {
110 // Direct VTK log messages to our SALOME window - TODO: review this
111 vtkOutputWindow::SetInstance(PVViewer_LogWindowAdapter::New());
113 new pqTabbedMultiViewWidget(); // registers a "MULTIVIEW_WIDGET" on creation
115 // At this stage, the pqPythonManager has been initialized, i.e. the current process has
116 // activated the embedded Python interpreter. "paraview" package has also been imported once already.
117 // Make sure the current process executes paraview's Python command with the "fromGUI" flag.
118 // This is used in pvsimple.py to avoid reconnecting the GUI thread to the pvserver (when
119 // user types "import pvsimple" in SALOME's console).
120 SalomeApp_Application* app =
121 dynamic_cast< SalomeApp_Application* >(SUIT_Session::session()->activeApplication());
122 PyConsole_Interp* pyInterp = app->pythonConsole()->getInterp();
125 std::string cmd = "import paraview;paraview.fromGUI = True";
126 pyInterp->run(cmd.c_str());
129 for (int i = 0; i < argc; i++)
133 // Initialize GUI elements if needed:
134 PVViewer_GUIElements::GetInstance(aDesktop);
138 void PVViewer_ViewManager::ParaviewInitBehaviors(bool fullSetup, SUIT_Desktop* aDesktop)
140 if (!ParaviewBehaviors)
141 ParaviewBehaviors = new PVViewer_Behaviors(aDesktop);
144 ParaviewBehaviors->instanciateAllBehaviors(aDesktop);
146 ParaviewBehaviors->instanciateMinimalBehaviors(aDesktop);
149 void PVViewer_ViewManager::ParaviewLoadConfigurations()
153 SUIT_ResourceMgr* resMgr = SUIT_Session::session()->resourceMgr();
154 QString aPath = resMgr->stringValue("resources", "PARAVIS", QString());
155 if (!aPath.isNull()) {
156 MyCoreApp->loadConfiguration(aPath + QDir::separator() + "ParaViewFilters.xml");
157 MyCoreApp->loadConfiguration(aPath + QDir::separator() + "ParaViewReaders.xml");
158 MyCoreApp->loadConfiguration(aPath + QDir::separator() + "ParaViewSources.xml");
159 MyCoreApp->loadConfiguration(aPath + QDir::separator() + "ParaViewWriters.xml");
165 void PVViewer_ViewManager::ParaviewCleanup()
167 // Disconnect from server
168 pqServer* server = pqActiveObjects::instance().activeServer();
169 if (server && server->isRemote())
171 MESSAGE("~PVViewer_Module(): Disconnecting from remote server ...");
172 pqServerDisconnectReaction::disconnectFromServer();
175 pqApplicationCore::instance()->settings()->sync();
177 pqPVApplicationCore * app = GetPVApplication();
178 // Schedule destruction of PVApplication singleton:
183 PVViewer_EngineWrapper * PVViewer_ViewManager::GetEngine()
185 return PVViewer_EngineWrapper::GetInstance();
188 bool PVViewer_ViewManager::ConnectToExternalPVServer(SUIT_Desktop* aDesktop)
190 SUIT_ResourceMgr* aResourceMgr = SUIT_Session::session()->resourceMgr();
191 bool noConnect = aResourceMgr->booleanValue( "PARAVIS", "no_ext_pv_server", false );
195 pqServer* server = pqActiveObjects::instance().activeServer();
196 if (server && server->isRemote())
198 // Already connected to an external server, do nothing
199 MESSAGE("connectToExternalPVServer(): Already connected to an external PVServer, won't reconnect.");
203 if (GetEngine()->GetGUIConnected())
205 // Should never be there as the above should already tell us that we are connected.
206 std::stringstream msg2;
207 msg2 << "Internal error while connecting to the pvserver.";
208 msg2 << "ParaView doesn't see a connection, but PARAVIS engine tells us there is already one!" << std::endl;
209 qWarning(msg2.str().c_str()); // will go to the ParaView console (see ParavisMessageOutput below)
210 SUIT_MessageBox::warning( aDesktop,
211 QString("Error connecting to PVServer"), QString(msg2.str().c_str()));
215 std::stringstream msg;
217 // Try to connect to the external PVServer - gives priority to an externally specified URL:
218 QString serverUrlEnv = getenv("PARAVIS_PVSERVER_URL");
219 std::string serverUrl;
220 if (!serverUrlEnv.isEmpty())
221 serverUrl = serverUrlEnv.toStdString();
224 // Get the URL from the engine (possibly starting the pvserver)
225 serverUrl = GetEngine()->FindOrStartPVServer(0); // take the first free port
228 msg << "connectToExternalPVServer(): Trying to connect to the external PVServer '" << serverUrl << "' ...";
231 if (!pqServerConnectReaction::connectToServer(pqServerResource(serverUrl.c_str())))
233 std::stringstream msg2;
234 msg2 << "Error while connecting to the requested pvserver '" << serverUrl;
235 msg2 << "'. Might use default built-in connection instead!" << std::endl;
236 qWarning(msg2.str().c_str()); // will go to the ParaView console (see ParavisMessageOutput below)
237 SUIT_MessageBox::warning( aDesktop,
238 QString("Error connecting to PVServer"), QString(msg2.str().c_str()));
243 MESSAGE("connectToExternalPVServer(): Connected!");
244 GetEngine()->SetGUIConnected(true);
249 //void PVViewer_ViewManager::onPVViewCreated(SUIT_ViewWindow* w)
251 // PVViewer_ViewWindow * w2 = dynamic_cast<PVViewer_ViewWindow *>(w);
252 // Q_ASSERT(w2 != NULL);
253 // connect(w2, SIGNAL(applyRequest()), ParaviewBehaviors, SLOT(onEmulateApply()));
256 void PVViewer_ViewManager::onEmulateApply()
258 PVViewer_GUIElements * guiElements = PVViewer_GUIElements::GetInstance(desktop);
259 guiElements->onEmulateApply();