C++ (Cpp) QgsVectorDataProvider::nativeTypes Examples

Example #1

File: qgsfieldcalculator.cpp Project: CSRedRat/QGIS

void QgsFieldCalculator::populateOutputFieldTypes()
{
  if ( !mVectorLayer )
  {
    return;
  }

  QgsVectorDataProvider* provider = mVectorLayer->dataProvider();
  if ( !provider )
  {
    return;
  }

  mOutputFieldTypeComboBox->blockSignals( true );
  const QList< QgsVectorDataProvider::NativeType > &typelist = provider->nativeTypes();
  for ( int i = 0; i < typelist.size(); i++ )
  {
    mOutputFieldTypeComboBox->addItem( typelist[i].mTypeDesc );
    mOutputFieldTypeComboBox->setItemData( i, static_cast<int>( typelist[i].mType ), Qt::UserRole );
    mOutputFieldTypeComboBox->setItemData( i, typelist[i].mTypeName, Qt::UserRole + 1 );
    mOutputFieldTypeComboBox->setItemData( i, typelist[i].mMinLen, Qt::UserRole + 2 );
    mOutputFieldTypeComboBox->setItemData( i, typelist[i].mMaxLen, Qt::UserRole + 3 );
    mOutputFieldTypeComboBox->setItemData( i, typelist[i].mMinPrec, Qt::UserRole + 4 );
    mOutputFieldTypeComboBox->setItemData( i, typelist[i].mMaxPrec, Qt::UserRole + 5 );
  }
  mOutputFieldTypeComboBox->blockSignals( false );
  mOutputFieldTypeComboBox->setCurrentIndex( 0 );
  on_mOutputFieldTypeComboBox_activated( 0 );
}