The preview now generates clickable links

nw/convert/text/tohtml.py

@@ -23,6 +23,18 @@ class ToHtml(Tokenizer):
 
     def __init__(self, theProject, theParent):
         Tokenizer.__init__(self, theProject, theParent)
+        self.forPreview = False
+        return
+
+    def setPreview(self, forPreview):
+        """If we're using this class to generate markdown preview, we need to make a few changes to
+        formatting, which is selected by this flag.
+        """
+
+        self.forPreview = forPreview
+        if forPreview:
+            self.doKeywords = True
+
         return
 
     def doAutoReplace(self):
@@ -103,10 +115,45 @@ class ToHtml(Tokenizer):
                 self.theResult += "<div class='comment'>%s</div>\n" % tText
 
             elif tType == self.T_KEYWORD and self.doKeywords:
-                self.theResult += "<pre>@%s</pre>\n" % tText
-
-        # print(self.theResult)
+                self.theResult += self._formatTags(tText)
 
         return
 
+    ##
+    #  Internal Functions
+    ##
+
+    def _formatTags(self, tText):
+
+        if not self.forPreview:
+            return "<pre>@%s</pre>\n" % tText
+
+        theLabel = {
+            "@tag"      : "Tag",
+            "@pov"      : "Point of View",
+            "@char"     : "Character(s)",
+            "@plot"     : "Plot",
+            "@time"     : "Time",
+            "@location" : "Location(s)",
+            "@object"   : "Object(s)",
+            "@custom"   : "Custom",
+        }
+
+        tText = "@"+tText
+        isValid, theBits, thePos = self.theParent.theIndex.scanThis(tText)
+        if not isValid or not theBits:
+            return ""
+
+        retText = ""
+        refTags = []
+        if theBits[0] in theLabel:
+            retText += "<span class='tags'>%s:</span>&nbsp;" % theLabel[theBits[0]]
+            for tTag in theBits[1:]:
+                refTags.append("<a href='#%s=%s'>%s</a>" % (
+                    theBits[0][1:], tTag, tTag
+                ))
+            retText += ", ".join(refTags)
+
+        return "<div>%s</div>" % retText
+
 # END Class ToHtml

nw/gui/elements/docviewer.py

@@ -19,7 +19,7 @@ from PyQt5.QtGui     import QTextOption, QFont, QPalette, QColor
 
 from nw.convert.tokenizer   import Tokenizer
 from nw.convert.text.tohtml import ToHtml
-from nw.enum                import nwItemType
+from nw.enum                import nwAlert, nwItemType
 
 logger = logging.getLogger(__name__)
 
@@ -46,6 +46,8 @@ class GuiDocViewer(QTextBrowser):
             theOpt.setAlignment(Qt.AlignJustify)
         self.qDocument.setDefaultTextOption(theOpt)
 
+        self.anchorClicked.connect(self._linkClicked)
+
         logger.debug("DocViewer initialisation complete")
 
         return
@@ -102,6 +104,7 @@ class GuiDocViewer(QTextBrowser):
         logger.debug("Generating preview for item %s" % tHandle)
         sPos = self.verticalScrollBar().value()
         aDoc = ToHtml(self.theProject, self.theParent)
+        aDoc.setPreview(True)
         aDoc.setText(tHandle)
         aDoc.doAutoReplace()
         aDoc.tokenizeText()
@@ -139,22 +142,59 @@ class GuiDocViewer(QTextBrowser):
     #  Internal Functions
     ##
 
+    def _linkClicked(self, theURL):
+
+        theLink = theURL.url()
+        tHandle = None
+        onLine  = 0
+        theTag  = ""
+        if len(theLink) > 0:
+            theBits = theLink.split("=")
+            if len(theBits) == 2:
+                theTag = theBits[1]
+                tHandle, onLine = self.theParent.theIndex.getTagSource(theBits[1])
+
+        if tHandle is None:
+            self.theParent.makeAlert((
+                "Could not find the reference for tag '%s'. It either doesn't exist, or the index "
+                "is out of date. The index can be updated from the Tools menu.") % theTag,
+                nwAlert.ERROR
+            )
+            return
+        else:
+            self.loadText(tHandle)
+
+        return
+
     def _makeStyleSheet(self):
 
-        self.qDocument.setDefaultStyleSheet((
+        styleSheet = (
             "body {{"
-            "  font-size: {textSize}pt;"
+            "  font-size: {textSize:.1f}pt;"
             "  color: rgb({tColR},{tColG},{tColB});"
             "}}\n"
-            "h1, h2, h3, h4 {{"
+            "h1 {{"
             "  color: rgb({hColR},{hColG},{hColB});"
+            "  font-size: {h1Size:.1f}pt;"
+            "}}\n"
+            "h2 {{"
+            "  color: rgb({hColR},{hColG},{hColB});"
+            "  font-size: {h2Size:.1f}pt;"
+            "}}\n"
+            "h3 {{"
+            "  color: rgb({hColR},{hColG},{hColB});"
+            "  font-size: {h3Size:.1f}pt;"
+            "}}\n"
+            "h4 {{"
+            "  color: rgb({hColR},{hColG},{hColB});"
+            "  font-size: {h4Size:.1f}pt;"
             "}}\n"
             "a {{"
             "  color: rgb({aColR},{aColG},{aColB});"
             "}}\n"
             "pre {{"
             "  color: rgb({cColR},{cColG},{cColB});"
-            "  font-size: {preSize}pt;"
+            "  font-size: {preSize:.1f}pt;"
             "}}\n"
             "mark {{"
             "  color: rgb({eColR},{eColG},{eColB});"
@@ -165,9 +205,17 @@ class GuiDocViewer(QTextBrowser):
             "td {{"
             "  padding: 0px 4px;"
             "}}\n"
+            ".tags {{"
+            "  color: rgb({kColR},{kColG},{kColB});"
+            "  font-wright: bold;"
+            "}}\n"
         ).format(
             textSize = self.mainConf.textSize,
             preSize  = self.mainConf.textSize*0.9,
+            h1Size   = self.mainConf.textSize*1.8,
+            h2Size   = self.mainConf.textSize*1.6,
+            h3Size   = self.mainConf.textSize*1.4,
+            h4Size   = self.mainConf.textSize*1.2,
             tColR    = self.theTheme.colText[0],
             tColG    = self.theTheme.colText[1],
             tColB    = self.theTheme.colText[2],
@@ -183,7 +231,11 @@ class GuiDocViewer(QTextBrowser):
             aColR    = self.theTheme.colLink[0],
             aColG    = self.theTheme.colLink[1],
             aColB    = self.theTheme.colLink[2],
-        ))
+            kColR    = self.theTheme.colKey[0],
+            kColG    = self.theTheme.colKey[1],
+            kColB    = self.theTheme.colKey[2],
+        )
+        self.qDocument.setDefaultStyleSheet(styleSheet)
 
         return True
 

nw/project/index.py

@@ -341,6 +341,13 @@ class NWIndex():
 
         return theRefs
 
+    def getTagSource(self, theTag):
+        if theTag in self.tagIndex:
+            theRef = self.tagIndex[theTag]
+            if len(theRef) == 3:
+                return theRef[1], theRef[0]
+        return None, 0
+
     def buildTagNovelMap(self, theTags, theFilters=None):
 
         tagMap   = {}