allow selection of file paths for mesh layers [processings] (#8702)

PeterPetrik · web-flow · commit 9ce7e54fb17c · 2018-12-20T15:04:02.000+01:00
allow selection of file paths for mesh layers
diff --git a/python/plugins/processing/gui/BatchInputSelectionPanel.py b/python/plugins/processing/gui/BatchInputSelectionPanel.py
@@ -40,6 +40,7 @@
                        QgsProcessingParameterRasterLayer,
                        QgsProcessingParameterDefinition,
                        QgsProcessingParameterVectorLayer,
+                       QgsProcessingParameterMeshLayer,
                        QgsProcessingParameterFeatureSource)
 
 from processing.gui.MultipleInputDialog import MultipleInputDialog
@@ -101,11 +102,15 @@ def showPopupMenu(self):
     def showLayerSelectionDialog(self):
         layers = []
         if (isinstance(self.param, QgsProcessingParameterRasterLayer) or
-                (isinstance(self.param, QgsProcessingParameterMultipleLayers) and
-                 self.param.layerType() == QgsProcessing.TypeRaster)):
+            (isinstance(self.param, QgsProcessingParameterMultipleLayers) and
+                self.param.layerType() == QgsProcessing.TypeRaster)):
             layers = QgsProcessingUtils.compatibleRasterLayers(QgsProject.instance())
         elif isinstance(self.param, QgsProcessingParameterVectorLayer):
             layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance())
+        elif (isinstance(self.param, QgsProcessingParameterMeshLayer) or
+              (isinstance(self.param, QgsProcessingParameterMultipleLayers) and
+                  self.param.layerType() == QgsProcessing.TypeMesh)):
+            layers = QgsProcessingUtils.compatibleMeshLayers(QgsProject.instance())
         else:
             datatypes = [QgsProcessing.TypeVectorAnyGeometry]
             if isinstance(self.param, QgsProcessingParameterFeatureSource):
diff --git a/python/plugins/processing/gui/wrappers.py b/python/plugins/processing/gui/wrappers.py
@@ -1015,7 +1015,13 @@ def setComboBoxFilters(self, combo):
     def selectFile(self):
         filename, selected_filter = self.getFileName(self.combo.currentText())
         if filename:
-            self.combo.setEditText(filename)
+            if isinstance(self.combo, QgsMapLayerComboBox):
+                items = self.combo.additionalItems()
+                items.append(filename)
+                self.combo.setAdditionalItems(items)
+                self.combo.setCurrentIndex(self.combo.findText(filename))
+            else:
+                self.combo.setEditText(filename)
             self.widgetValueHasChanged.emit(self)
 
 
