From 646eaf2b31bae729116a5cb9ff6915f9c863af6c Mon Sep 17 00:00:00 2001
From: RunasSudo <runassudo@yingtongli.me>
Date: Thu, 23 Jul 2020 22:31:50 +1000
Subject: [PATCH] Reimplement Markdown linkification logic

Automatically hide links on screen and show when printing
---
 wikinote/markup.py           | 13 ++++++++-----
 wikinote/static/css/main.css | 16 ++++++++++++++++
 2 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/wikinote/markup.py b/wikinote/markup.py
index cdbca9a..46dbbbf 100644
--- a/wikinote/markup.py
+++ b/wikinote/markup.py
@@ -20,8 +20,6 @@ import markdown.extensions.extra, markdown.extensions.footnotes, markdown.extens
 import re
 import xml.etree.ElementTree as ET
 
-from .mdx_urlize import UrlizeExtension
-
 directives = {}
 roles = {}
 
@@ -29,7 +27,7 @@ class WNMarkdown(markdown.Markdown):
 	def __init__(self, *args, **kwargs):
 		super().__init__(*args, **kwargs)
 		
-		self.registerExtensions([FootnoteExtension(), UrlizeExtension(), 'toc', 'tables'], {})
+		self.registerExtensions([FootnoteExtension(), 'toc', 'tables'], {})
 		
 		self.meta = {}
 		
@@ -374,7 +372,7 @@ class FootnoteExtension(markdown.extensions.footnotes.FootnoteExtension):
 		md.inlinePatterns.register(FootnoteInlineProcessor(FOOTNOTE_RE, self), 'footnote', 175)
 		md.treeprocessors.register(markdown.extensions.footnotes.FootnoteTreeprocessor(self), 'footnote', 50)
 	
-	# Override to omit backlinks
+	# Override to omit backlinks and reformat
 	def makeFootnotesDiv(self, root):
 		if not list(self.footnotes.keys()):
 			return None
@@ -387,7 +385,12 @@ class FootnoteExtension(markdown.extensions.footnotes.FootnoteExtension):
 		for index, id in enumerate(self.footnotes.keys(), start=1):
 			li = ET.SubElement(ol, "li")
 			li.set("id", self.makeFootnoteId(id))
-			self.parser.parseChunk(surrogate_parent, self.footnotes[id])
+			
+			fn_src = self.footnotes[id]
+			fn_src = re.sub(r'(https?://[^ ]+)', r'<a href="\1" class="smart-url"><span>\[URL\]</span><span class="url">\1</span></a>', fn_src)
+			fn_src = re.sub(r'doi: ([^ ]+)', r'<a href="https://doi-org.ezproxy.lib.monash.edu.au/\1">doi: <span class="url">\1</span></a>', fn_src)
+			
+			self.parser.parseChunk(surrogate_parent, fn_src)
 			for el in list(surrogate_parent):
 				li.append(el)
 				surrogate_parent.remove(el)
diff --git a/wikinote/static/css/main.css b/wikinote/static/css/main.css
index 085c43f..3e70b01 100644
--- a/wikinote/static/css/main.css
+++ b/wikinote/static/css/main.css
@@ -207,6 +207,22 @@ a.redlink {
 	color: #cc0000ff !important;
 }
 
+a span.url {
+	word-break: break-all;
+}
+
+a.smart-url > span.url {
+	display: none;
+}
+@media print {
+	a.smart-url > span.url {
+		display: inline;
+	}
+	a.smart-url > span:not(.url) {
+		display: none;
+	}
+}
+
 div.two-columns {
 	display: flex;
 }