Allow processing dialog to override default processing context settings

qgis · Mar 16, 2023 · 7cd6b61 · 7cd6b61
1 parent 1dc81b5
commit 7cd6b61
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Showing 4 changed files with 29 additions and 2 deletions.
diff --git a/python/gui/auto_generated/processing/qgsprocessingalgorithmdialogbase.sip.in b/python/gui/auto_generated/processing/qgsprocessingalgorithmdialogbase.sip.in
@@ -340,6 +340,15 @@ Formats an input ``string`` for display in the log tab.
 Returns ``True`` if the dialog is all finalized and can be safely deleted.
 
 .. versionadded:: 3.26
+%End
+
+    void applyContextOverrides( QgsProcessingContext *context );
+%Docstring
+Applies any defined overrides for Processing context settings to the specified ``context``.
+
+This allows the dialog to override default Processing settings for an individual algorithm execution.
+
+.. versionadded:: 3.32
 %End
 
   signals:

diff --git a/python/plugins/processing/gui/AlgorithmDialog.py b/python/plugins/processing/gui/AlgorithmDialog.py
@@ -161,13 +161,14 @@ def processingContext(self):
         if self.context is None:
             self.feedback = self.createFeedback()
             self.context = dataobjects.createContext(self.feedback)
-            self.context.setLogLevel(self.logLevel())
+
+        self.applyContextOverrides(self.context)
         return self.context
 
     def runAlgorithm(self):
         self.feedback = self.createFeedback()
         self.context = dataobjects.createContext(self.feedback)
-        self.context.setLogLevel(self.logLevel())
+        self.applyContextOverrides(self.context)
 
         checkCRS = ProcessingConfig.getSetting(ProcessingConfig.WARN_UNMATCHING_CRS)
         try:

diff --git a/src/gui/processing/qgsprocessingalgorithmdialogbase.cpp b/src/gui/processing/qgsprocessingalgorithmdialogbase.cpp
@@ -826,6 +826,14 @@ bool QgsProcessingAlgorithmDialogBase::isFinalized()
   return true;
 }
 
+void QgsProcessingAlgorithmDialogBase::applyContextOverrides( QgsProcessingContext *context )
+{
+  if ( !context )
+    return;
+
+  context->setLogLevel( logLevel() );
+}
+
 void QgsProcessingAlgorithmDialogBase::setInfo( const QString &message, bool isError, bool escapeHtml, bool isWarning )
 {
   constexpr int MESSAGE_COUNT_LIMIT = 10000;

diff --git a/src/gui/processing/qgsprocessingalgorithmdialogbase.h b/src/gui/processing/qgsprocessingalgorithmdialogbase.h
@@ -390,6 +390,15 @@ class GUI_EXPORT QgsProcessingAlgorithmDialogBase : public QDialog, public QgsPr
      */
     virtual bool isFinalized();
 
+    /**
+     * Applies any defined overrides for Processing context settings to the specified \a context.
+     *
+     * This allows the dialog to override default Processing settings for an individual algorithm execution.
+     *
+     * \since QGIS 3.32
+     */
+    void applyContextOverrides( QgsProcessingContext *context );
+
   signals:
 
     /**