Keep project tree and outline tree in sync

nw/gui/outline.py

@@ -165,7 +165,7 @@ class GuiOutline(QTreeWidget):
 
         return
 
-    def refreshTree(self, overRide=False):
+    def refreshTree(self, overRide=False, novelChanged=False):
         """Called whenever the Outline tab is activated and controls
         what data to load, and if necessary, force a rebuild of the
         tree.
@@ -177,10 +177,10 @@ class GuiOutline(QTreeWidget):
             self.firstView = False
             return
 
-        # If the novel index has changed since the tree was last built,
-        # we rebuild the tree from the updated index.
-        idxChanged = self.theParent.theIndex.novelChangedSince(self.lastBuild)
-        doBuild = idxChanged and self.theProject.autoOutline
+        # If the novel index or novel tree has changed since the tree
+        # was last built, we rebuild the tree from the updated index.
+        indexChanged = self.theIndex.novelChangedSince(self.lastBuild)
+        doBuild = (novelChanged or indexChanged) and self.theProject.autoOutline
         if doBuild or overRide:
             logger.debug("Rebuilding Project Outline")
             self._populateTree()

nw/gui/projtree.py

@@ -31,7 +31,7 @@ import logging
 
 from time import time
 
-from PyQt5.QtCore import Qt, QSize
+from PyQt5.QtCore import Qt, QSize, pyqtSignal
 from PyQt5.QtGui import QIcon
 from PyQt5.QtWidgets import (
     qApp, QTreeWidget, QTreeWidgetItem, QAbstractItemView, QMenu, QAction
@@ -51,6 +51,9 @@ class GuiProjectTree(QTreeWidget):
     C_EXPORT = 2
     C_FLAGS  = 3
 
+    novelItemChanged = pyqtSignal()
+    noteItemChanged = pyqtSignal()
+
     def __init__(self, theParent):
         QTreeWidget.__init__(self, theParent)
 
@@ -285,8 +288,11 @@ class GuiProjectTree(QTreeWidget):
         pHandle = nwItem.itemParent
         if pHandle is not None and pHandle in self._treeMap:
             self._treeMap[pHandle].setExpanded(True)
+
+        self._emitItemChange(tHandle)
         self.clearSelection()
         trItem.setSelected(True)
+
         return True
 
     def moveTreeItem(self, nStep):
@@ -327,6 +333,7 @@ class GuiProjectTree(QTreeWidget):
         self.clearSelection()
         cItem.setSelected(True)
         self._setTreeChanged(True)
+        self._emitItemChange(tHandle)
 
         return True
 
@@ -788,6 +795,10 @@ class GuiProjectTree(QTreeWidget):
             else:
                 self.theIndex.reIndexHandle(sHandle)
 
+            # Trigger dependent updates
+            self._setTreeChanged(True)
+            self._emitItemChange(sHandle)
+
         else:
             theEvent.ignore()
             logger.debug("Drag'n'drop of item %s not accepted" % sHandle)
@@ -915,7 +926,6 @@ class GuiProjectTree(QTreeWidget):
         pHandle = trItemP.data(self.C_NAME, Qt.UserRole)
         nwItemS.setParent(pHandle)
         self.setTreeItemValues(tHandle)
-        self._setTreeChanged(True)
 
         logger.debug("The parent of item %s has been changed to %s" % (tHandle, pHandle))
 
@@ -930,6 +940,21 @@ class GuiProjectTree(QTreeWidget):
             self.theProject.setProjectChanged(True)
         return
 
+    def _emitItemChange(self, tHandle):
+        """Emit an item change signal for a given handle.
+        """
+        nwItem = self.theProject.projTree[tHandle]
+        if nwItem is None:
+            return
+
+        if nwItem.itemType == nwItemType.FILE:
+            if nwItem.itemClass == nwItemClass.NOVEL:
+                self.novelItemChanged.emit()
+            else:
+                self.noteItemChanged.emit()
+
+        return
+
 # END Class GuiProjectTree
 
 class GuiProjectTreeMenu(QMenu):

nw/guimain.py

@@ -32,7 +32,7 @@ import os
 from datetime import datetime
 from time import time
 
-from PyQt5.QtCore import Qt, QTimer, QThreadPool
+from PyQt5.QtCore import Qt, QTimer, QThreadPool, pyqtSlot
 from PyQt5.QtGui import QIcon, QPixmap, QColor, QKeySequence, QCursor
 from PyQt5.QtWidgets import (
     qApp, QMainWindow, QVBoxLayout, QWidget, QSplitter, QFileDialog, QShortcut,
@@ -193,6 +193,7 @@ class GuiMain(QMainWindow):
         # Initialise the Project Tree
         self.treeView.itemSelectionChanged.connect(self._treeSingleClick)
         self.treeView.itemDoubleClicked.connect(self._treeDoubleClick)
+        self.treeView.novelItemChanged.connect(self._treeNovelItemChanged)
         self.rebuildTrees()
 
         # Set Main Window Elements
@@ -1319,9 +1320,10 @@ class GuiMain(QMainWindow):
         return
 
     ##
-    #  Signal Handlers
+    #  Slots
     ##
 
+    @pyqtSlot()
     def _treeSingleClick(self):
         """Single click on a project tree item just updates the details
         panel below the tree.
@@ -1331,12 +1333,14 @@ class GuiMain(QMainWindow):
             self.treeMeta.updateViewBox(sHandle)
         return
 
+    @pyqtSlot("QTreeWidgetItem*", int)
     def _treeDoubleClick(self, tItem, colNo):
         """The user double-clicked an item in the tree. If it is a file,
         we open it. Otherwise, we do nothing.
         """
         tHandle = tItem.data(self.treeView.C_NAME, Qt.UserRole)
         logger.verbose("User double clicked tree item with handle %s" % tHandle)
+
         nwItem = self.theProject.projTree[tHandle]
         if nwItem is not None:
             if nwItem.itemType == nwItemType.FILE:
@@ -1347,6 +1351,20 @@ class GuiMain(QMainWindow):
 
         return
 
+    @pyqtSlot()
+    def _treeNovelItemChanged(self):
+        """Triggered when there is a change to a novel item in the
+        project tree.
+        """
+        if self.mainTabs.currentIndex() == self.idxTabProj:
+            logger.verbose("Novel tree changed while Outline tab active")
+            if self.hasProject:
+                self.treeView.flushTreeOrder()
+                self.projView.refreshTree(novelChanged=True)
+
+        return
+
+    @pyqtSlot()
     def _treeKeyPressReturn(self):
         """The user pressed return on an item in the tree. If it is a
         file, we open it. Otherwise, we do nothing. Pressing return does
@@ -1354,6 +1372,7 @@ class GuiMain(QMainWindow):
         """
         tHandle = self.treeView.getSelectedHandle()
         logger.verbose("User pressed return on tree item with handle %s" % tHandle)
+
         nwItem = self.theProject.projTree[tHandle]
         if nwItem is not None:
             if nwItem.itemType == nwItemType.FILE:
@@ -1361,8 +1380,10 @@ class GuiMain(QMainWindow):
                 self.openDocument(tHandle, changeFocus=False, doScroll=False)
             else:
                 logger.verbose("Requested item %s is a folder" % tHandle)
+
         return
 
+    @pyqtSlot()
     def _keyPressEscape(self):
         """When the escape key is pressed somewhere in the main window,
         do the following, in order:
@@ -1371,8 +1392,10 @@ class GuiMain(QMainWindow):
             self.docEditor.closeSearch()
         elif self.isFocusMode:
             self.toggleFocusMode()
+
         return
 
+    @pyqtSlot(int)
     def _mainTabChanged(self, tabIndex):
         """Activated when the main window tab is changed.
         """
@@ -1382,8 +1405,10 @@ class GuiMain(QMainWindow):
             logger.verbose("Project outline tab activated")
             if self.hasProject:
                 self.projView.refreshTree()
+
         return
 
+    @pyqtSlot(int)
     def _projTabsChanged(self, tabIndex):
         """Activated when the project view tab is changed.
         """