pqApplicationCore.h

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/*=========================================================================

   Program: ParaView
   Module:    pqApplicationCore.h

   Copyright (c) 2005-2008 Sandia Corporation, Kitware Inc.
   All rights reserved.

   ParaView is a free software; you can redistribute it and/or modify it
   under the terms of the ParaView license version 1.2.

   See License_v1.2.txt for the full ParaView license.
   A copy of this license can be obtained by contacting
   Kitware Inc.
   28 Corporate Drive
   Clifton Park, NY 12065
   USA

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

========================================================================*/
#ifndef pqApplicationCore_h
#define pqApplicationCore_h

#include "pqCoreModule.h"
#include "vtkPVConfig.h" // for PARAVIEW_USE_QTHELP
#include <QObject>
#include <QPointer>

class pqInterfaceTracker;
class pqLinksModel;
class pqMainWindowEventManager;
class pqObjectBuilder;
class pqOptions;
class pqPipelineSource;
class pqPluginManager;
class pqProgressManager;
class pqRecentlyUsedResourcesList;
class pqServer;
class pqServerConfigurationCollection;
class pqServerManagerModel;
class pqServerManagerObserver;
class pqServerResource;
class pqSettings;
class pqTestUtility;
class pqUndoStack;
class QApplication;
#ifdef PARAVIEW_USE_QTHELP
class QHelpEngine;
#endif
class QStringList;
class vtkPVXMLElement;
class vtkSMProxyLocator;
class vtkSMStateLoader;

class PQCORE_EXPORT pqApplicationCore : public QObject
{
  Q_OBJECT
  typedef QObject Superclass;

public:
  // Get the global instance for the pqApplicationCore.
  static pqApplicationCore* instance();

  pqApplicationCore(int& argc, char** argv, pqOptions* options = 0, QObject* parent = 0);

  pqOptions* getOptions() const { return this->Options; }

  pqObjectBuilder* getObjectBuilder() const { return this->ObjectBuilder; }

  void setUndoStack(pqUndoStack* stack);
  pqUndoStack* getUndoStack() const { return this->UndoStack; }

  void registerManager(const QString& function, QObject* manager);

  //. \sa registerManager
  QObject* manager(const QString& function);

  void unRegisterManager(const QString& function);

#ifdef PARAVIEW_USE_QTHELP

  QHelpEngine* helpEngine();
#endif

  void registerDocumentation(const QString& filename);

  pqServerManagerObserver* getServerManagerObserver() { return this->ServerManagerObserver; }

  pqServerManagerModel* getServerManagerModel() const { return this->ServerManagerModel; }

  pqInterfaceTracker* interfaceTracker() const { return this->InterfaceTracker; }

  pqLinksModel* getLinksModel() const { return this->LinksModel; }

  pqMainWindowEventManager* getMainWindowEventManager() const
  {
    return this->MainWindowEventManager;
  }

  pqPluginManager* getPluginManager() const { return this->PluginManager; }

  pqProgressManager* getProgressManager() const { return this->ProgressManager; }

  virtual pqTestUtility* testUtility();

  pqRecentlyUsedResourcesList& recentlyUsedResources();

  pqServerConfigurationCollection& serverConfigurations();

  pqSettings* settings();

  void clearSettings();

  vtkPVXMLElement* saveState();

  bool saveState(const QString& filename);

  void loadState(vtkPVXMLElement* root, pqServer* server, vtkSMStateLoader* loader = NULL);

  void loadState(const char* filename, pqServer* server, vtkSMStateLoader* loader = NULL);

  void loadStateFromString(
    const char* xmlcontents, pqServer* server, vtkSMStateLoader* loader = NULL);

  void clearViewsForLoadingState(pqServer* server);

  void loadStateIncremental(
    vtkPVXMLElement* root, pqServer* server, vtkSMStateLoader* loader = NULL);
  void loadStateIncremental(
    const QString& filename, pqServer* server, vtkSMStateLoader* loader = NULL);

  void setLoadingState(bool value) { this->LoadingState = value; };

  bool isLoadingState() { return this->LoadingState; };

  pqServer* getActiveServer() const;

  ~pqApplicationCore() override;

  void _paraview_client_environment_complete();

public Q_SLOTS:

  void prepareForQuit();

  void quit();

  void loadConfiguration(const QString& filename);
  void loadConfigurationXML(const char* xmldata);

  void render();

Q_SIGNALS:
  void aboutToLoadState(vtkPVXMLElement* root);

  void stateLoaded(vtkPVXMLElement* root, vtkSMProxyLocator* locator);

  void stateSaved(vtkPVXMLElement* root);

  void undoStackChanged(pqUndoStack*);

  void loadXML(vtkPVXMLElement*);

  void forceFilterMenuRefresh();

  void updateMasterEnableState(bool);

  void clientEnvironmentDone();

protected Q_SLOTS:
  void onStateLoaded(vtkPVXMLElement* root, vtkSMProxyLocator* locator);
  void onStateSaved(vtkPVXMLElement* root);
  void onHelpEngineWarning(const QString&);

private Q_SLOTS:
  void generalSettingsChanged();

protected:
  bool LoadingState;

  pqOptions* Options;
  pqLinksModel* LinksModel;
  pqObjectBuilder* ObjectBuilder;
  pqInterfaceTracker* InterfaceTracker;
  pqMainWindowEventManager* MainWindowEventManager;
  pqPluginManager* PluginManager;
  pqProgressManager* ProgressManager;
  pqServerManagerModel* ServerManagerModel;
  pqServerManagerObserver* ServerManagerObserver;
  pqUndoStack* UndoStack;
  pqRecentlyUsedResourcesList* RecentlyUsedResourcesList;
  pqServerConfigurationCollection* ServerConfigurations;
  pqSettings* Settings;
#ifdef PARAVIEW_USE_QTHELP
  QHelpEngine* HelpEngine;
#endif
  QPointer<pqTestUtility> TestUtility;

private:
  Q_DISABLE_COPY(pqApplicationCore)

  class pqInternals;
  pqInternals* Internal;
  static pqApplicationCore* Instance;
  void constructor();
};

#endif