[ui] GraphEditor: add action to clear node internal data

meshroom/core/graph.py

@@ -831,6 +831,15 @@ class Node(BaseObject):
                 return False
         return True
 
+    @Slot()
+    def clearData(self):
+        """ Delete this Node internal folder.
+        Status will be reset to Status.NONE
+        """
+        if os.path.exists(self.internalFolder):
+            shutil.rmtree(self.internalFolder)
+            self.updateStatusFromCache()
+
     def isAlreadySubmitted(self):
         for chunk in self._chunks:
             if chunk.isAlreadySubmitted():

meshroom/ui/qml/Node.qml

@@ -40,7 +40,12 @@ Item {
             }
             MenuSeparator {}
             MenuItem {
-                text: "Delete"
+                text: "Clear Data"
+                enabled: !root.readOnly
+                onTriggered: node.clearData()
+            }
+            MenuItem {
+                text: "Delete Node"
                 enabled: !root.readOnly
                 onTriggered: _reconstruction.removeNode(node)
             }