pqServerManagerModel.h

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

   Program: ParaView
   Module:    pqServerManagerModel.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 pqServerManagerModel_h
#define pqServerManagerModel_h

#include "pqCoreModule.h"
#include "vtkType.h" // for vtkIdType.
#include <QList>
#include <QObject>

class pqExtractor;
class pqPipelineSource;
class pqProxy;
class pqRepresentation;
class pqServer;
class pqServerManagerModelItem;
class pqServerManagerObserver;
class pqServerResource;
class pqView;
class vtkPVXMLElement;
class vtkSession;
class vtkSMProxy;
class vtkSMProxyLocator;
class vtkSMSession;

class pqServerManagerModel;

template <class T>
inline QList<T> pqFindItems(const pqServerManagerModel* const model);
template <class T>
inline QList<T> pqFindItems(const pqServerManagerModel* const model, pqServer* server);
template <class T>
inline T pqFindItem(const pqServerManagerModel* const model, const QString& name);
template <class T>
inline T pqFindItem(const pqServerManagerModel* const model, vtkSMProxy* proxy);
template <class T>
inline T pqFindItem(const pqServerManagerModel* const model, vtkTypeUInt32 id);
template <class T>
inline int pqGetNumberOfItems(const pqServerManagerModel* const model);
template <class T>
inline T pqGetItemAtIndex(const pqServerManagerModel* const model, int index);

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

public:
  pqServerManagerModel(pqServerManagerObserver* observer, QObject* parent = 0);
  ~pqServerManagerModel() override;

  pqServer* findServer(vtkIdType cid) const;

  pqServer* findServer(vtkSession*) const;
  pqServer* findServer(vtkSMSession*) const;

  pqServer* findServer(const pqServerResource& resource) const;

  void beginRemoveServer(pqServer* server);
  void endRemoveServer();

  void setActiveResource(const pqServerResource& resource);

  template <class T>
  T findItem(vtkSMProxy* proxy) const
  {
    return ::pqFindItem<T>(this, proxy);
  }

  template <class T>
  T findItem(vtkTypeUInt32 id) const
  {
    return ::pqFindItem<T>(this, id);
  }

  template <class T>
  QList<T> findItems() const
  {
    return ::pqFindItems<T>(this);
  }

  template <class T>
  int getNumberOfItems() const
  {
    return ::pqGetNumberOfItems<T>(this);
  }

  template <class T>
  T getItemAtIndex(int index) const
  {
    return ::pqGetItemAtIndex<T>(this, index);
  }

  template <class T>
  QList<T> findItems(pqServer* server) const
  {
    return ::pqFindItems<T>(this, server);
  }

  template <class T>
  T findItem(const QString& name) const
  {
    return ::pqFindItem<T>(this, name);
  }

  static void findItemsHelper(const pqServerManagerModel* const model, const QMetaObject& mo,
    QList<void*>* list, pqServer* server = 0);

  static pqServerManagerModelItem* findItemHelper(
    const pqServerManagerModel* const model, const QMetaObject& mo, vtkSMProxy* proxy);

  static pqServerManagerModelItem* findItemHelper(
    const pqServerManagerModel* const model, const QMetaObject& mo, vtkTypeUInt32 id);

  static pqServerManagerModelItem* findItemHelper(
    const pqServerManagerModel* const model, const QMetaObject& mo, const QString& name);

Q_SIGNALS:
  void preServerAdded(pqServer*);
  void serverAdded(pqServer*);

  void serverReady(pqServer*);

  void preServerRemoved(pqServer*);
  void serverRemoved(pqServer*);

  void aboutToRemoveServer(pqServer* server);

  void finishedRemovingServer();

  void preItemAdded(pqServerManagerModelItem*);
  void itemAdded(pqServerManagerModelItem*);

  void preItemRemoved(pqServerManagerModelItem*);
  void itemRemoved(pqServerManagerModelItem*);

  void preProxyAdded(pqProxy*);
  void proxyAdded(pqProxy*);

  void preProxyRemoved(pqProxy*);
  void proxyRemoved(pqProxy*);

  void preSourceAdded(pqPipelineSource* source);
  void sourceAdded(pqPipelineSource* source);

  void preSourceRemoved(pqPipelineSource*);
  void sourceRemoved(pqPipelineSource*);

  void preViewAdded(pqView* view);
  void viewAdded(pqView* view);

  void preViewRemoved(pqView*);
  void viewRemoved(pqView*);

  void preRepresentationAdded(pqRepresentation* rep);
  void representationAdded(pqRepresentation* rep);

  void preRepresentationRemoved(pqRepresentation*);
  void representationRemoved(pqRepresentation*);


  void preExtractorAdded(pqExtractor*);
  void extractorAdded(pqExtractor*);
  void preExtractorRemoved(pqExtractor*);
  void extractorRemoved(pqExtractor*);

  void nameChanged(pqServerManagerModelItem* item);

  void modifiedStateChanged(pqServerManagerModelItem* item);

  void connectionAdded(pqPipelineSource* source, pqPipelineSource* consumer, int srcOutputPort);
  void preConnectionAdded(pqPipelineSource* source, pqPipelineSource* consumer, int srcOutputPort);

  void connectionRemoved(pqPipelineSource* source, pqPipelineSource* consumer, int srcOutputPort);
  void preConnectionRemoved(
    pqPipelineSource* source, pqPipelineSource* consumer, int srcOutputPort);


  void connectionAdded(pqServerManagerModelItem* source, pqExtractor* consumer);
  void connectionRemoved(pqServerManagerModelItem* source, pqExtractor* consumer);

  void dataUpdated(pqPipelineSource*);

protected Q_SLOTS:
  virtual void onProxyRegistered(const QString& group, const QString& name, vtkSMProxy* proxy);

  virtual void onProxyUnRegistered(const QString& group, const QString& name, vtkSMProxy* proxy);

  virtual void onConnectionCreated(vtkIdType id);

  virtual void onConnectionClosed(vtkIdType id);

  virtual void onStateLoaded(vtkPVXMLElement*, vtkSMProxyLocator*);

private:
  Q_DISABLE_COPY(pqServerManagerModel)

  
  void updateSettingsFromQSettings(pqServer* server);

  class pqInternal;
  pqInternal* Internal;
};

//-----------------------------------------------------------------------------
template <class T>
inline QList<T> pqFindItems(const pqServerManagerModel* const model)
{
  QList<T> list;
  pqServerManagerModel::findItemsHelper(
    model, ((T)0)->staticMetaObject, reinterpret_cast<QList<void*>*>(&list), 0);
  return list;
}

//-----------------------------------------------------------------------------
template <class T>
inline QList<T> pqFindItems(const pqServerManagerModel* const model, pqServer* server)
{
  QList<T> list;
  pqServerManagerModel::findItemsHelper(
    model, ((T)0)->staticMetaObject, reinterpret_cast<QList<void*>*>(&list), server);
  return list;
}

//-----------------------------------------------------------------------------
template <class T>
inline T pqFindItem(const pqServerManagerModel* const model, vtkSMProxy* proxy)
{
  return qobject_cast<T>(
    pqServerManagerModel::findItemHelper(model, ((T)0)->staticMetaObject, proxy));
}

//-----------------------------------------------------------------------------
template <class T>
inline T pqFindItem(const pqServerManagerModel* const model, vtkTypeUInt32 id)
{
  return qobject_cast<T>(pqServerManagerModel::findItemHelper(model, ((T)0)->staticMetaObject, id));
}

//-----------------------------------------------------------------------------
template <class T>
inline T pqFindItem(const pqServerManagerModel* const model, const QString& name)
{
  return qobject_cast<T>(
    pqServerManagerModel::findItemHelper(model, ((T)0)->staticMetaObject, name));
}

//-----------------------------------------------------------------------------
template <class T>
inline int pqGetNumberOfItems(const pqServerManagerModel* const model)
{
  return pqFindItems<T>(model).size();
}

//-----------------------------------------------------------------------------
template <class T>
inline T pqGetItemAtIndex(const pqServerManagerModel* const model, int index)
{
  QList<T> items = pqFindItems<T>(model);
  if (index < items.size())
  {
    return items[index];
  }

  return 0;
}

#endif