text: /*=========================================================================
  
     Program: ParaView
     Module:    pqProxyInformationWidget.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 _pqProxyInformationWidget_h
  #define _pqProxyInformationWidget_h
  
  #include "pqComponentsModule.h"
  #include <QPointer>
  #include <QWidget>
  
  class pqOutputPort;
  class QModelIndex;
  class vtkEventQtSlotConnect;
  class vtkPVDataInformation;
  
  /**
  * Widget which provides information about an output port of a source proxy
  */
  class PQCOMPONENTS_EXPORT pqProxyInformationWidget : public QWidget
  {
    Q_OBJECT
  public:
    /**
    * constructor
    */
    pqProxyInformationWidget(QWidget* p = 0);
    /**
    * destructor
    */
    ~pqProxyInformationWidget() override;
  
    /**
    * get the proxy for which properties are displayed
    */
    pqOutputPort* getOutputPort();
  
  public Q_SLOTS:
    void updateInformation();
  
    /**
    * Set the display whose properties we want to edit.
    */
    void setOutputPort(pqOutputPort* outputport);
  
  private Q_SLOTS:
    void onCurrentChanged(const QModelIndex& item);
  
    // This is used to ensure that we don't have extra space in the
    // dataTypeProperties QStackedWidget.
    void onDataTypePropertiesWidgetChanged(int);
  
  private:
    void fillDataInformation(vtkPVDataInformation* info);
  
  private:
    QPointer<pqOutputPort> OutputPort;
    vtkEventQtSlotConnect* VTKConnect;
    class pqUi;
    pqUi* Ui;
  };
  
  #endif
  