Make sure deleted items are also deleted from the index, so the index is up to date

nw/gui/elements/doctree.py

@@ -220,7 +220,7 @@ class GuiDocTree(QTreeWidget):
     def deleteItem(self, tHandle=None):
         """Delete items from the tree. Note that this does not delete the item from the item tree in
         the project object. However, since this is only meta data, there isn't really a need to do
-        that to save memory. As items not in the tree are not saved to the project file, a loaded
+        that to save memory. Items not in the tree are not saved to the project file, so a loaded
         project will be clean anyway.
         """
 
@@ -247,6 +247,7 @@ class GuiDocTree(QTreeWidget):
             self.clearSelection()
             trItemP.setSelected(True)
             self.theProject.setProjectChanged(True)
+            self.theParent.theIndex.deleteHandle(tHandle)
 
         elif nwItemS.itemType == nwItemType.FOLDER:
             logger.debug("User requested folder %s deleted" % tHandle)

nw/project/index.py

@@ -64,10 +64,27 @@ class NWIndex():
 
         return
 
+    ##
+    #  Public Methods
+    ##
+
     def clearIndex(self):
         self.tagIndex   = {}
         self.refIndex   = {}
         self.novelIndex = {}
+        self.noteIndex  = {}
+        return
+
+    def deleteHandle(self, tHandle):
+
+        for tTag in self.tagIndex:
+            if self.tagIndex[tTag][1] == tHandle:
+                self.tagIndex.pop(tTag, None)
+
+        self.refIndex.pop(tHandle, None)
+        self.novelIndex.pop(tHandle, None)
+        self.noteIndex.pop(tHandle, None)
+
         return
 
     ##
@@ -142,6 +159,7 @@ class NWIndex():
         theItem = self.theProject.getItem(tHandle)
         if theItem is None: return False
         if theItem.itemType != nwItemType.FILE: return False
+        if theItem.parHandle == self.theProject.trashRoot: return False
         itemClass  = theItem.itemClass
         itemLayout = theItem.itemLayout
 
@@ -336,19 +354,19 @@ class NWIndex():
 
         return True
 
-    def buildReferenceList(self, theHandle):
-        """Build a list of files referring back to our file, specified by theHandle.
+    def buildReferenceList(self, tHandle):
+        """Build a list of files referring back to our file, specified by tHandle.
         """
 
         theRefs = {}
 
-        tItem = self.theProject.getItem(theHandle)
-        if theHandle is None:
+        tItem = self.theProject.getItem(tHandle)
+        if tHandle is None:
             return theRefs
 
         theTag = None
         for tTag in self.tagIndex:
-            if theHandle == self.tagIndex[tTag][1]:
+            if tHandle == self.tagIndex[tTag][1]:
                 theTag = tTag
                 break