Drag and drop of archived files now works

nw/gui/projtree.py

@@ -669,8 +669,10 @@ class GuiProjectTree(QTreeWidget):
         isNote  = snItem.itemLayout == nwItemLayout.NOTE
         onFile  = dnItem.itemType == nwItemType.FILE
         isRoot  = snItem.itemType == nwItemType.ROOT
+        isArch  = snItem.itemClass == nwItemClass.ARCHIVE
+        isArch |= dnItem.itemClass == nwItemClass.ARCHIVE
         isOnTop = self.dropIndicatorPosition() == QAbstractItemView.OnItem
-        if (isSame or isNone or isNote) and not (onFile and isOnTop) and not isRoot:
+        if (isSame or isNone or isNote or isArch) and not (onFile and isOnTop) and not isRoot:
             logger.debug("Drag'n'drop of item %s accepted" % sHandle)
             self.propagateCount(sHandle, 0)
             QTreeWidget.dropEvent(self, theEvent)
@@ -679,7 +681,7 @@ class GuiProjectTree(QTreeWidget):
                 self._cleanOrphanedRoot()
             else:
                 self._updateItemParent(sHandle)
-            if not isSame:
+            if not isSame and not isArch:
                 logger.debug("Item %s class has been changed from %s to %s" % (
                     sHandle,
                     snItem.itemClass.name,