Exemplos de QgsEditorWidgetFactory::createCache em C++ (Cpp)

Exemplo n.º 1

Arquivo: qgsattributetablemodel.cpp Projeto: Qgis-Tr-kr/QGIS

void QgsAttributeTableModel::loadAttributes()
{
  if ( !layer() )
  {
    return;
  }

  bool ins = false, rm = false;

  QgsAttributeList attributes;
  const QgsFields& fields = layer()->pendingFields();

  mWidgetFactories.clear();
  mAttributeWidgetCaches.clear();
  mWidgetConfigs.clear();

  for ( int idx = 0; idx < fields.count(); ++idx )
  {
    QgsEditorWidgetFactory* widgetFactory = QgsEditorWidgetRegistry::instance()->factory( layer()->editorWidgetV2( idx ) );
    if ( !widgetFactory || !layer() )
      continue;

    mWidgetFactories.append( widgetFactory );
    mWidgetConfigs.append( layer()->editorWidgetV2Config( idx ) );
    mAttributeWidgetCaches.append( widgetFactory->createCache( layer(), idx, mWidgetConfigs.last() ) );

    attributes << idx;
  }

  if ( mFieldCount < attributes.size() )
  {
    ins = true;
    beginInsertColumns( QModelIndex(), mFieldCount, attributes.size() - 1 );
  }
  else if ( attributes.size() < mFieldCount )
  {
    rm = true;
    beginRemoveColumns( QModelIndex(), attributes.size(), mFieldCount - 1 );
  }

  mFieldCount = attributes.size();
  mAttributes = attributes;

  if ( ins )
  {
    endInsertColumns();
  }
  else if ( rm )
  {
    endRemoveColumns();
  }
}