[processing] Correctly expose full expression context to Filter Featu…

…res algorithm configuration widget in modeler Allows filters to be built (in the GUI) using context related variables and functions such as input parameter values, model variables, etc
qgis · Feb 19, 2019 · 9df7b2a · 9df7b2a
1 parent 69c7031
commit 9df7b2a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/gui/processing/qgsprocessingconfigurationwidgets.cpp b/src/gui/processing/qgsprocessingconfigurationwidgets.cpp
@@ -100,6 +100,7 @@ void QgsFilterAlgorithmConfigurationWidget::setConfiguration( const QVariantMap
     mOutputExpressionWidget->insertRow( currentRow );
     mOutputExpressionWidget->setItem( currentRow, 0, new QTableWidgetItem( output.value( "name" ).toString() ) );
     QgsExpressionLineEdit *expressionBuilder = new QgsExpressionLineEdit();
+    expressionBuilder->registerExpressionContextGenerator( this );
     expressionBuilder->setExpression( output.value( "expression" ).toString() );
     mOutputExpressionWidget->setCellWidget( currentRow, 1, expressionBuilder );
     QCheckBox *isModelOutput = new QCheckBox();
@@ -143,6 +144,7 @@ void QgsFilterAlgorithmConfigurationWidget::addOutput()
   int rowIndex = mOutputExpressionWidget->rowCount();
   mOutputExpressionWidget->setRowCount( rowIndex + 1 );
   QgsExpressionLineEdit *expressionBuilder = new QgsExpressionLineEdit();
+  expressionBuilder->registerExpressionContextGenerator( this );
   mOutputExpressionWidget->setItem( rowIndex, 0, new QTableWidgetItem( QString() ) );
   mOutputExpressionWidget->setCellWidget( rowIndex, 1, expressionBuilder );
   mOutputExpressionWidget->setCellWidget( rowIndex, 2, new QCheckBox() );