QVariant QgsFeatureListModel::data( const QModelIndex &index, int role ) const
{
if ( role == Qt::DisplayRole || role == Qt::EditRole )
{
QgsFeature feat;
mFilterModel->layerCache()->featureAtId( idxToFid( index ), feat );
const QgsFields fields = mFilterModel->layer()->pendingFields();
return mExpression->evaluate( &feat, fields );
}
if ( role == FeatureInfoRole )
{
FeatureInfo featInfo;
QgsFeature feat;
mFilterModel->layerCache()->featureAtId( idxToFid( index ), feat );
QgsVectorLayerEditBuffer* editBuffer = mFilterModel->layer()->editBuffer();
if ( editBuffer )
{
const QList<QgsFeatureId> addedFeatures = editBuffer->addedFeatures().keys();
const QList<QgsFeatureId> changedFeatures = editBuffer->changedAttributeValues().keys();
if ( addedFeatures.contains( feat.id() ) )
{
featInfo.isNew = true;
}
if ( changedFeatures.contains( feat.id() ) )
{
featInfo.isEdited = true;
}
}
return QVariant::fromValue( featInfo );
}
else if ( role == FeatureRole )
{
QgsFeature feat;
mFilterModel->layerCache()->featureAtId( idxToFid( index ), feat );
return QVariant::fromValue( feat );
}
return sourceModel()->data( mapToSource( index ), role );
}
QVariant QgsFeatureListModel::data( const QModelIndex &index, int role ) const
{
if ( mInjectNull && index.row() == 0 )
{
if ( role == Qt::DisplayRole )
{
return QgsApplication::nullRepresentation();
}
else if ( role == QgsAttributeTableModel::FeatureIdRole )
{
return QVariant( QVariant::Int );
}
else
{
return QVariant( QVariant::Invalid );
}
}
if ( role == Qt::DisplayRole || role == Qt::EditRole )
{
QgsFeature feat;
mFilterModel->layerCache()->featureAtId( idxToFid( index ), feat );
QgsExpressionContext context;
context << QgsExpressionContextUtils::globalScope()
<< QgsExpressionContextUtils::projectScope()
<< QgsExpressionContextUtils::layerScope( mFilterModel->layer() );
context.setFeature( feat );
return mExpression->evaluate( &context );
}
if ( role == FeatureInfoRole )
{
FeatureInfo featInfo;
QgsFeature feat;
mFilterModel->layerCache()->featureAtId( idxToFid( index ), feat );
QgsVectorLayerEditBuffer* editBuffer = mFilterModel->layer()->editBuffer();
if ( editBuffer )
{
if ( editBuffer->isFeatureAdded( feat.id() ) )
{
featInfo.isNew = true;
}
if ( editBuffer->isFeatureAttributesChanged( feat.id() ) )
{
featInfo.isEdited = true;
}
}
return QVariant::fromValue( featInfo );
}
else if ( role == FeatureRole )
{
QgsFeature feat;
mFilterModel->layerCache()->featureAtId( idxToFid( index ), feat );
return QVariant::fromValue( feat );
}
else if ( role == Qt::TextAlignmentRole )
{
return Qt::AlignLeft;
}
return sourceModel()->data( mapToSource( index ), role );
}
bool QgsFeatureListModel::featureByIndex( const QModelIndex &index, QgsFeature &feat )
{
return mFilterModel->layerCache()->featureAtId( idxToFid( index ), feat );
}
QVariant QgsFeatureListModel::data( const QModelIndex &index, int role ) const
{
if ( mInjectNull && index.row() == 0 )
{
if ( role == Qt::DisplayRole )
{
return QSettings().value( "qgis/nullValue", "NULL" ).toString();
}
else if ( role == QgsAttributeTableModel::FeatureIdRole )
{
return QVariant( QVariant::Int );
}
else
{
return QVariant( QVariant::Invalid );
}
}
if ( role == Qt::DisplayRole || role == Qt::EditRole )
{
QgsFeature feat;
mFilterModel->layerCache()->featureAtId( idxToFid( index ), feat );
QgsExpressionContext context;
context << QgsExpressionContextUtils::globalScope()
<< QgsExpressionContextUtils::projectScope()
<< QgsExpressionContextUtils::layerScope( mFilterModel->layer() );
context.setFeature( feat );
return mExpression->evaluate( &context );
}
if ( role == FeatureInfoRole )
{
FeatureInfo featInfo;
QgsFeature feat;
mFilterModel->layerCache()->featureAtId( idxToFid( index ), feat );
QgsVectorLayerEditBuffer* editBuffer = mFilterModel->layer()->editBuffer();
if ( editBuffer )
{
const QList<QgsFeatureId> addedFeatures = editBuffer->addedFeatures().keys();
const QList<QgsFeatureId> changedFeatures = editBuffer->changedAttributeValues().keys();
if ( addedFeatures.contains( feat.id() ) )
{
featInfo.isNew = true;
}
if ( changedFeatures.contains( feat.id() ) )
{
featInfo.isEdited = true;
}
}
return QVariant::fromValue( featInfo );
}
else if ( role == FeatureRole )
{
QgsFeature feat;
mFilterModel->layerCache()->featureAtId( idxToFid( index ), feat );
return QVariant::fromValue( feat );
}
return sourceModel()->data( mapToSource( index ), role );
}
