ImageViz/Common/SoDialogSpreadSheet.h

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/*=======================================================================
** VSG_COPYRIGHT_TAG
**=======================================================================*/
/*=======================================================================
** Author      : David Beilloin (Dec 2013)
**=======================================================================*/

#ifndef _SO_DIALOG_SPREADSHEET_H_
#define _SO_DIALOG_SPREADSHEET_H_

#include <DialogViz/SoDialogVizAll.h>
#include <Inventor/fields/SoFieldContainer.h>
#include <Inventor/fields/SoSubFieldContainer.h>

#include <Inventor/sensors/SoOneShotSensor.h>

#include <ImageViz/Fields/SoSFLabelAnalysisResult.h>
#include <ImageViz/Nodes/Analysis/SoLabelAnalysisResult.h>

// NOTES: This is a quick and dirty implementation
// Define a DialogViz based component to view an ImageViz spreadSheet
class SoDialogSpreadSheet : public SoFieldContainer
{
  SO_FIELDCONTAINER_HEADER(SoDialogSpreadSheet);
public:
  SoDialogSpreadSheet()
    :m_mainWindow(NULL), m_topLevelDialog(NULL), m_connectedEngine(NULL)
  {
    SO_FIELDCONTAINER_CONSTRUCTOR(SoDialogSpreadSheet);
    SO_FIELDCONTAINER_ADD_FIELD(spreadsheet, (NULL));
  }

  SoDialogSpreadSheet(SoWidget mainWindow)
    :m_mainWindow(mainWindow), m_topLevelDialog(NULL), m_connectedEngine(NULL)
  {
    SO_FIELDCONTAINER_CONSTRUCTOR(SoDialogSpreadSheet);
    SO_FIELDCONTAINER_ADD_FIELD(spreadsheet, (NULL));
  }

  SoSFLabelAnalysisResult spreadsheet;
private:
  virtual void notify(SoNotList* list)
  {
    if ((list->getLastRec()->getType() == SoNotRec::CONTAINER))
    {
      if ( list->getLastField() == &spreadsheet )
      {
        bool firstTime = false;
        SoImageVizEngine* engine = NULL;
        SoEngineOutput* output = NULL;
        if ( spreadsheet.getConnectedEngine( output ) )
          engine = dynamic_cast<SoImageVizEngine*>( output->getContainer() );

        if ( m_connectedEngine != engine )
        {
          firstTime = true;
          if ( m_connectedEngine != NULL )
            m_connectedEngine->onEnd.remove( *this, &SoDialogSpreadSheet::updateAfterCompute );

          m_connectedEngine = engine;
          if ( m_connectedEngine != NULL )
            m_connectedEngine->onEnd.add( *this, &SoDialogSpreadSheet::updateAfterCompute );
        }

        if ( m_connectedEngine != NULL )
        {
          m_connectedEngine->startEvaluate();
          // If not evaluating, it seems the compute is finished => We have to force display
          if( firstTime && !m_connectedEngine->isEvaluating() )
            updateDialog();
        }
        else if ( spreadsheet.getDirty() )
          updateDialog();
      }
    }
    // pass the notification to base class
    SoFieldContainer::notify(list);
  }
private:

  static void callBackUpdate(void* data, SoSensor* sensor)
  {
    ((SoDialogSpreadSheet*)data)->updateDialog();
    delete sensor;
  }

  void updateAfterCompute(SoImageVizEngine::EventArg &arg)
  {
    if (arg.getProgress() == 1.0f)
    {
      SoOneShotSensor* sensor = new SoOneShotSensor(SoDialogSpreadSheet::callBackUpdate, this);
      sensor->schedule();
    }
  }

  void updateDialog()
  {
    SoLabelAnalysisResult* anl = spreadsheet.getValue();

    // remove any previously added object
    if ( m_topLevelDialog != NULL )
    {
      m_topLevelDialog->removeAllChildren();
      m_topLevelDialog->close();
      m_topLevelDialog = NULL;
    }

    // allocate a new toplevel dialog
    {
      m_topLevelDialog = new SoTopLevelDialog();
      m_topLevelDialog->ref();
      m_topLevelDialog->label.setValue( "ImageViz spreadsheet analysis" );
      m_topLevelDialog->resizable = TRUE;
      m_topLevelDialog->windowResizedByChildren = FALSE;
      m_topLevelDialog->vScrollVisibility = SoTopLevelDialog::ALWAYS;
      m_topLevelDialog->hScrollVisibility = SoTopLevelDialog::ALWAYS;
    }

    if ( anl != NULL )
    {
      // add a menu to be able to save a spreadsheet to csv file
      SoMenuBar* menu = new SoMenuBar();
      m_topLevelDialog->addChild( menu );

      // add the grid of value
      SoColumnDialog* m_mainSheet = new SoColumnDialog();
      m_mainSheet->windowResizedByChildren = FALSE;
      m_mainSheet->fixedHeight = FALSE;
      m_topLevelDialog->addChild( m_mainSheet );

      int nCols = anl->getNumMeasure();
      size_t realnRows = anl->getNumLabels();
      size_t nRows = realnRows;

      // DialogViz is not able to manage gigantic window size with tons of Dialog
      // In order to ensure we will not get error in the demo because of DialogViz
      // we ensure that at max only 255 row will appears in the gui
      // and we send a debug message to inform the user
      if ( realnRows > 255 )
      {
        SoDebugError::postWarning( "SoDialogSpreadSheet", "Only the first 255 rows will be displayed" );
        nRows = 255;
      }

      // First print a column with the label index
      {
        SoRowDialog* currentColumn = new SoRowDialog();
        m_mainSheet->addChild( currentColumn );

        // first we add the column title
        // write the cell value
        {
          SoColumnDialog* cellDiag = new SoColumnDialog();
          SoDialogLabel* dialogLabel = new SoDialogLabel();
          dialogLabel->label.setValue( "LabelId" );
          cellDiag->addChild( dialogLabel );
          currentColumn->addChild( cellDiag );
        }
        // Then  the Id of each label
        for ( size_t j = 0; j < nRows; ++j )
        {
          SoColumnDialog* cellDiag = new SoColumnDialog();
          SoDialogLabel* dialogLabel = new SoDialogLabel();
          dialogLabel->label.setValue( SbString( ( int )( j ) ) );
          cellDiag->addChild( dialogLabel );
          currentColumn->addChild( cellDiag );
        }
      }

      // Then for each measure add a column with the result coresponding to each label
      for ( int i = 0; i < nCols; ++i )

      {
        SoRowDialog* currentColumn = new SoRowDialog();
        m_mainSheet->addChild( currentColumn );
        int nbComp = anl->getNumMeasureComponent( i );
        SbString cellValue = anl->getMeasureName( i );

        // Print each row values
        for ( size_t j = 0; j < nRows; ++j )
        {
          for ( int comp = 0; comp < nbComp; ++comp )
          {
            // Before printing the first row, we print the column header
            if ( j == 0 )
            {
              SbString columnName = anl->getMeasureName( i );
              // add component id if multicomponent
              if ( nbComp > 1 )
              {
                columnName += "(component ";
                columnName += comp;
                columnName += ")";
              }

              // write the cell value
              {
                SoColumnDialog* cellDiag = new SoColumnDialog();
                SoDialogLabel* dialogLabel = new SoDialogLabel();
                dialogLabel->label.setValue( columnName );
                cellDiag->addChild( dialogLabel );
                currentColumn->addChild( cellDiag );
              }
            }

            SbString cellValue;
            // add " only if the output format is string
            switch ( anl->getMeasureFormat( i ) )
            {
            case SoDataMeasure::INT:
            case SoDataMeasure::FLOAT:
            {
              cellValue += anl->getValueAsString( ( int )( j ), i, comp );
              break;
            }
            case SoDataMeasure::STRING:
            default:
            {
              cellValue += "\"";
              cellValue += anl->getValueAsString( ( int )( j ), i, comp );
              cellValue += "\"";
              break;
            }
            } //switch


            SoColumnDialog* cellDiag = new SoColumnDialog();
            SoDialogLabel* dialogLabel = new SoDialogLabel();
            dialogLabel->label.setValue( cellValue );
            cellDiag->addChild( dialogLabel );
            currentColumn->addChild( cellDiag );
          } // for each component
        } // for each row
      } // for each column

      m_topLevelDialog->buildDialog( m_mainWindow, FALSE );
      m_topLevelDialog->show();
    }
  }

  SoWidget m_mainWindow;
  SoTopLevelDialog* m_topLevelDialog;
  SoImageVizEngine* m_connectedEngine;
};

SO_FIELDCONTAINER_SOURCE(SoDialogSpreadSheet);
void SoDialogSpreadSheet::initClass()
{ SO_FIELDCONTAINER_INIT_CLASS(SoDialogSpreadSheet,"SoDialogSpreadSheet",SoFieldContainer);  }

void SoDialogSpreadSheet::exitClass()
{
  SO__FIELDCONTAINER_EXIT_CLASS(SoDialogSpreadSheet);
}

#endif // _SO_DIALOG_SPREADSHEET_H_

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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