Added document references pane to the bottom of the doc viewer

nw/gui/elements/docviewer.py

@@ -113,6 +113,8 @@ class GuiDocViewer(QTextBrowser):
         self.theHandle = tHandle
         self.theProject.setLastViewed(tHandle)
 
+        self.theParent.docMeta.refreshReferences(tHandle)
+
         return True
 
     def loadFromTag(self, theTag):

nw/gui/elements/viewdetails.py

@@ -0,0 +1,82 @@
+# -*- coding: utf-8 -*-
+"""novelWriter GUI DocView Details
+
+ novelWriter – GUI DocView Details
+===================================
+ Class holding the document view details panel
+
+ File History:
+ Created: 2019-09-31 [0.3.2]
+
+"""
+
+import logging
+import nw
+
+from PyQt5.QtGui     import QFont
+from PyQt5.QtWidgets import QWidget, QHBoxLayout, QLabel, QGroupBox, QComboBox
+
+from nw.constants    import nwLabels
+
+logger = logging.getLogger(__name__)
+
+class GuiDocViewDetails(QWidget):
+
+    def __init__(self, theParent, theProject):
+        QWidget.__init__(self, theParent)
+
+        logger.debug("Initialising DocViewDetails ...")
+        self.mainConf   = nw.CONFIG
+        self.debugGUI   = self.mainConf.debugGUI
+        self.theParent  = theParent
+        self.theProject = theProject
+
+        self.outerBox   = QHBoxLayout(self)
+        self.outerBox.setContentsMargins(4,4,4,4)
+
+        self.refTags     = QGroupBox("Referenced From", self)
+        self.refTagsForm = QHBoxLayout(self.refTags)
+        self.refTags.setLayout(self.refTagsForm)
+
+        self.refList = QLabel("None")
+        self.refList.linkActivated.connect(self._linkClicked)
+
+        self.refTagsForm.addWidget(self.refList)
+        self.outerBox.addWidget(self.refTags)
+        self.setLayout(self.outerBox)
+        self.setContentsMargins(0,0,0,0)
+
+        logger.debug("DocViewDetails initialisation complete")
+
+        return
+
+    def refreshReferences(self, tHandle):
+
+        theRefs = self.theParent.theIndex.buildReferenceList(tHandle)
+        if theRefs:
+            self.setVisible(True)
+        else:
+            self.setVisible(False)
+            return
+
+        theList = []
+        for tHandle in theRefs:
+            tItem = self.theProject.getItem(tHandle)
+            if tItem is not None:
+                theList.append("<a href='#tag=%s'>%s</a>" % (tHandle,tItem.itemName))
+
+        self.refList.setText(", ".join(theList))
+
+        return
+
+    ##
+    #  Internal Functions
+    ##
+
+    def _linkClicked(self, theLink):
+        if len(theLink) == 18:
+            tHandle = theLink[-13:]
+            self.theParent.viewDocument(tHandle)
+        return
+
+# END Class GuiDocViewDetails