Added some extra checks for deleting files when the file is brand new, and updated the test to check it works

nw/core/project.py

@@ -152,15 +152,19 @@ class NWProject():
         self.projTree.append(None, pHandle, newItem)
         return newItem.itemHandle
 
-    def addTrash(self):
+    def trashFolder(self):
         """Add the special trash root folder to the project.
         """
-        newItem = NWItem(self)
-        newItem.setName("Trash")
-        newItem.setType(nwItemType.TRASH)
-        newItem.setClass(nwItemClass.TRASH)
-        self.projTree.append(None, None, newItem)
-        return newItem.itemHandle
+        trashHandle = self.projTree.trashRoot()
+        if trashHandle is None:
+            newItem = NWItem(self)
+            newItem.setName("Trash")
+            newItem.setType(nwItemType.TRASH)
+            newItem.setClass(nwItemClass.TRASH)
+            self.projTree.append(None, None, newItem)
+            return newItem.itemHandle
+
+        return trashHandle
 
     ##
     #  Project Methods

nw/gui/elements/doctree.py

@@ -200,8 +200,8 @@ class GuiDocTree(QTreeWidget):
     def revealTreeItem(self, tHandle):
         """Reveal a newly added project item in the project tree.
         """
-        nwItem  = self.theProject.projTree[tHandle]
-        trItem  = self._addTreeItem(nwItem)
+        nwItem = self.theProject.projTree[tHandle]
+        trItem = self._addTreeItem(nwItem)
         pHandle = nwItem.parHandle
         if pHandle is not None and pHandle in self.theMap.keys():
             self.theMap[pHandle].setExpanded(True)
@@ -608,15 +608,15 @@ class GuiDocTree(QTreeWidget):
         """Adds the trash root folder if it doesn't already exist in the
         project tree.
         """
-        trashHandle = self.theProject.projTree.trashRoot()
+        trashHandle = self.theProject.trashFolder()
         if trashHandle is None:
-            self.theProject.addTrash()
+            return None
+        trItem = self._getTreeItem(trashHandle)
+        if trItem is None:
             trItem = self._addTreeItem(
                 self.theProject.projTree[trashHandle]
             )
             trItem.setExpanded(True)
-        else:
-            trItem = self._getTreeItem(trashHandle)
         return trItem
 
     def _addOrphanedRoot(self):

tests/reference/gui/1_nwProject.nwx

@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='utf-8'?>
-<novelWriterXML appVersion="0.7.0rc1" hexVersion="0x000700c1" fileVersion="1.1" saveCount="4" autoCount="0" timeStamp="2020-05-29 23:06:02">
+<novelWriterXML appVersion="0.7.0rc1" hexVersion="0x000700c1" fileVersion="1.1" saveCount="4" autoCount="1" timeStamp="2020-05-30 15:31:30" editTime="12">
   <project>
     <name>New Project</name>
     <title></title>
@@ -9,7 +9,7 @@
     <spellCheck>True</spellCheck>
     <autoOutline>True</autoOutline>
     <lastEdited>31489056e0916</lastEdited>
-    <lastViewed>31489056e0916</lastViewed>
+    <lastViewed>None</lastViewed>
     <lastWordCount>86</lastWordCount>
     <autoReplace/>
     <titleFormat>
@@ -35,7 +35,7 @@
       <entry blue="0" green="200" red="50">Main</entry>
     </importance>
   </settings>
-  <content count="9">
+  <content count="10">
     <item handle="73475cb40a568" order="0" parent="None">
       <name>Novel</name>
       <type>ROOT</type>
@@ -119,5 +119,12 @@
       <paraCount>1</paraCount>
       <cursorPos>68</cursorPos>
     </item>
+    <item handle="41cfc0d1f2d12" order="4" parent="None">
+      <name>Trash</name>
+      <type>TRASH</type>
+      <class>TRASH</class>
+      <status>None</status>
+      <expanded>True</expanded>
+    </item>
   </content>
 </novelWriterXML>

tests/test_gui.py

@@ -235,6 +235,15 @@ def testMainWindows(qtbot, nwTempGUI, nwRef, nwTemp):
     assert nwGUI.closeDocViewer()
     qtbot.wait(stepDelay)
 
+    # Check a Quick Create and Delete
+    assert nwGUI.treeView.newTreeItem(nwItemType.FILE, None)
+    newHandle = nwGUI.treeView.getSelectedHandle()
+    assert nwGUI.theProject.projTree["031b4af5197ec"] is not None
+    assert nwGUI.treeView.deleteItem()
+    assert nwGUI.treeView.setSelectedHandle(newHandle)
+    assert nwGUI.treeView.deleteItem()
+    assert nwGUI.saveProject()
+
     # Check the files
     refFile = path.join(nwTempGUI, "nwProject.nwx")
     assert cmpFiles(refFile, path.join(nwRef, "gui", "1_nwProject.nwx"), [2])