void QgsAttributeTableModel::featureAdded( QgsFeatureId fid, bool resettingModel )
{
QgsDebugMsgLevel( QStringLiteral( "(%2) fid: %1" ).arg( fid ).arg( mFeatureRequest.filterType() ), 4 );
bool featOk = true;
if ( mFeat.id() != fid )
featOk = loadFeatureAtId( fid );
if ( featOk && mFeatureRequest.acceptFeature( mFeat ) )
{
for ( SortCache &cache : mSortCaches )
{
if ( cache.sortFieldIndex >= 0 )
{
QgsFieldFormatter *fieldFormatter = mFieldFormatters.at( cache.sortFieldIndex );
const QVariant &widgetCache = mAttributeWidgetCaches.at( cache.sortFieldIndex );
const QVariantMap &widgetConfig = mWidgetConfigs.at( cache.sortFieldIndex );
QVariant sortValue = fieldFormatter->representValue( layer(), cache.sortFieldIndex, widgetConfig, widgetCache, mFeat.attribute( cache.sortFieldIndex ) );
cache.sortCache.insert( mFeat.id(), sortValue );
}
else if ( cache.sortCacheExpression.isValid() )
{
mExpressionContext.setFeature( mFeat );
cache.sortCache[mFeat.id()] = cache.sortCacheExpression.evaluate( &mExpressionContext );
}
}
// Skip if the fid is already in the map (do not add twice)!
if ( ! mIdRowMap.contains( fid ) )
{
int n = mRowIdMap.size();
if ( !resettingModel )
beginInsertRows( QModelIndex(), n, n );
mIdRowMap.insert( fid, n );
mRowIdMap.insert( n, fid );
if ( !resettingModel )
endInsertRows();
reload( index( rowCount() - 1, 0 ), index( rowCount() - 1, columnCount() ) );
}
}
}
void QgsAttributeTableModel::attributeValueChanged( QgsFeatureId fid, int idx, const QVariant &value )
{
QgsDebugMsgLevel( QString( "(%4) fid: %1, idx: %2, value: %3" ).arg( fid ).arg( idx ).arg( value.toString() ).arg( mFeatureRequest.filterType() ), 3 );
// No filter request: skip all possibly heavy checks
if ( mFeatureRequest.filterType() == QgsFeatureRequest::FilterNone )
{
setData( index( idToRow( fid ), fieldCol( idx ) ), value, Qt::EditRole );
}
else
{
if ( loadFeatureAtId( fid ) )
{
if ( mFeatureRequest.acceptFeature( mFeat ) )
{
if ( !mIdRowMap.contains( fid ) )
{
// Feature changed in such a way, it will be shown now
featureAdded( fid );
}
else
{
if ( idx == mCachedField )
mFieldCache[ fid ] = value;
// Update representation
setData( index( idToRow( fid ), fieldCol( idx ) ), value, Qt::EditRole );
}
}
else
{
if ( mIdRowMap.contains( fid ) )
{
// Feature changed such, that it is no longer shown
featureDeleted( fid );
}
// else: we don't care
}
}
}
}
void QgsAttributeTableModel::featureAdded( QgsFeatureId fid )
{
QgsDebugMsgLevel( QString( "(%2) fid: %1" ).arg( fid ).arg( mFeatureRequest.filterType() ), 4 );
bool featOk = true;
if ( mFeat.id() != fid )
featOk = loadFeatureAtId( fid );
if ( featOk && mFeatureRequest.acceptFeature( mFeat ) )
{
mFieldCache[ fid ] = mFeat.attribute( mCachedField );
int n = mRowIdMap.size();
beginInsertRows( QModelIndex(), n, n );
mIdRowMap.insert( fid, n );
mRowIdMap.insert( n, fid );
endInsertRows();
reload( index( rowCount() - 1, 0 ), index( rowCount() - 1, columnCount() ) );
}
}
QVariant QgsAttributeTableModel::data( const QModelIndex &index, int role ) const
{
if ( !index.isValid() ||
( role != Qt::TextAlignmentRole
&& role != Qt::DisplayRole
&& role != Qt::EditRole
&& role != SortRole
&& role != FeatureIdRole
&& role != FieldIndexRole
)
)
return QVariant();
QgsFeatureId rowId = rowToId( index.row() );
if ( role == FeatureIdRole )
return rowId;
if ( index.column() >= mFieldCount )
return role == Qt::DisplayRole ? rowId : QVariant();
int fieldId = mAttributes[ index.column()];
if ( role == FieldIndexRole )
return fieldId;
const QgsField& field = layer()->pendingFields()[ fieldId ];
QVariant::Type fldType = field.type();
bool fldNumeric = ( fldType == QVariant::Int || fldType == QVariant::Double || fldType == QVariant::LongLong );
if ( role == Qt::TextAlignmentRole )
{
if ( fldNumeric )
return QVariant( Qt::AlignRight );
else
return QVariant( Qt::AlignLeft );
}
QVariant val;
// if we don't have the row in current cache, load it from layer first
if ( mCachedField == fieldId )
{
val = mFieldCache[ rowId ];
}
else
{
if ( mFeat.id() != rowId || !mFeat.isValid() )
{
if ( !loadFeatureAtId( rowId ) )
return QVariant( "ERROR" );
if ( mFeat.id() != rowId )
return QVariant( "ERROR" );
}
val = mFeat.attribute( fieldId );
}
if ( role == Qt::DisplayRole )
{
return mWidgetFactories[ fieldId ]->representValue( layer(), fieldId, mWidgetConfigs[ fieldId ], mAttributeWidgetCaches[ fieldId ], val );
}
return val;
}
void QgsAttributeTableModel::attributeValueChanged( QgsFeatureId fid, int idx, const QVariant &value )
{
// Defer all updates if a bulk edit/rollback command is running
if ( mBulkEditCommandRunning )
{
mAttributeValueChanges.insert( QPair<QgsFeatureId, int>( fid, idx ), value );
return;
}
QgsDebugMsgLevel( QStringLiteral( "(%4) fid: %1, idx: %2, value: %3" ).arg( fid ).arg( idx ).arg( value.toString() ).arg( mFeatureRequest.filterType() ), 2 );
for ( SortCache &cache : mSortCaches )
{
if ( cache.sortCacheAttributes.contains( idx ) )
{
if ( cache.sortFieldIndex == -1 )
{
if ( loadFeatureAtId( fid ) )
{
mExpressionContext.setFeature( mFeat );
cache.sortCache[fid] = cache.sortCacheExpression.evaluate( &mExpressionContext );
}
}
else
{
QgsFieldFormatter *fieldFormatter = mFieldFormatters.at( cache.sortFieldIndex );
const QVariant &widgetCache = mAttributeWidgetCaches.at( cache.sortFieldIndex );
const QVariantMap &widgetConfig = mWidgetConfigs.at( cache.sortFieldIndex );
QVariant sortValue = fieldFormatter->representValue( layer(), cache.sortFieldIndex, widgetConfig, widgetCache, value );
cache.sortCache.insert( fid, sortValue );
}
}
}
// No filter request: skip all possibly heavy checks
if ( mFeatureRequest.filterType() == QgsFeatureRequest::FilterNone )
{
if ( loadFeatureAtId( fid ) )
setData( index( idToRow( fid ), fieldCol( idx ) ), value, Qt::EditRole );
}
else
{
if ( loadFeatureAtId( fid ) )
{
if ( mFeatureRequest.acceptFeature( mFeat ) )
{
if ( !mIdRowMap.contains( fid ) )
{
// Feature changed in such a way, it will be shown now
featureAdded( fid );
}
else
{
// Update representation
setData( index( idToRow( fid ), fieldCol( idx ) ), value, Qt::EditRole );
}
}
else
{
if ( mIdRowMap.contains( fid ) )
{
// Feature changed such, that it is no longer shown
featuresDeleted( QgsFeatureIds() << fid );
}
// else: we don't care
}
}
}
}
