void QgsMergeAttributesDialog::refreshMergedValue( int col )
{
QComboBox* comboBox = qobject_cast<QComboBox *>( mTableWidget->cellWidget( 0, col ) );
if ( !comboBox )
{
return;
}
//evaluate behaviour (feature value or min / max / mean )
QString mergeBehaviourString = comboBox->currentText();
QVariant mergeResult; // result to show in the merge result field
if ( mergeBehaviourString == tr( "Minimum" ) )
{
mergeResult = minimumAttribute( col );
}
else if ( mergeBehaviourString == tr( "Maximum" ) )
{
mergeResult = maximumAttribute( col );
}
else if ( mergeBehaviourString == tr( "Mean" ) )
{
mergeResult = meanAttribute( col );
}
else if ( mergeBehaviourString == tr( "Median" ) )
{
mergeResult = medianAttribute( col );
}
else if ( mergeBehaviourString == tr( "Sum" ) )
{
mergeResult = sumAttribute( col );
}
else if ( mergeBehaviourString == tr( "Concatenation" ) )
{
mergeResult = concatenationAttribute( col );
}
else if ( mergeBehaviourString == tr( "Skip attribute" ) )
{
mergeResult = tr( "Skipped" );
}
else //an existing feature value
{
int featureId = mergeBehaviourString.split( " " ).at( 1 ).toInt(); //probably not very robust for translations...
mergeResult = featureAttribute( featureId, col );
}
//insert string into table widget
QTableWidgetItem* newTotalItem = new QTableWidgetItem();
newTotalItem->setData( Qt::DisplayRole, mergeResult );
newTotalItem->setFlags( Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsEditable );
mTableWidget->setItem( mTableWidget->rowCount() - 1, col, newTotalItem );
}
void QgsMergeAttributesDialog::refreshMergedValue( int col )
{
QComboBox *comboBox = qobject_cast<QComboBox *>( mTableWidget->cellWidget( 0, col ) );
if ( !comboBox )
{
return;
}
int fieldIdx = mTableWidget->horizontalHeaderItem( col )->data( FieldIndex ).toInt();
//evaluate behavior (feature value or min / max / mean )
QString mergeBehaviorString = comboBox->currentData().toString();
QVariant mergeResult; // result to show in the merge result field
if ( mergeBehaviorString == QLatin1String( "concat" ) )
{
mergeResult = concatenationAttribute( col );
}
else if ( mergeBehaviorString == QLatin1String( "skip" ) )
{
mergeResult = tr( "Skipped" );
}
else if ( mergeBehaviorString == QLatin1String( "manual" ) )
{
return; //nothing to do
}
else if ( mergeBehaviorString.startsWith( 'f' ) )
{
//an existing feature value
QgsFeatureId featureId = STRING_TO_FID( mergeBehaviorString.mid( 1 ) );
mergeResult = featureAttribute( featureId, fieldIdx );
}
else
{
//numerical statistic
QgsStatisticalSummary::Statistic stat = ( QgsStatisticalSummary::Statistic )( comboBox->currentData().toInt() );
mergeResult = calcStatistic( fieldIdx, stat );
}
//insert string into table widget
mUpdating = true; // prevent combobox changing to "manual" value
QTableWidgetItem *item = mTableWidget->item( mTableWidget->rowCount() - 1, col );
item->setData( Qt::DisplayRole, mergeResult );
mUpdating = false;
}
