# HG changeset patch
# User souliane <souliane@mailoo.org>
# Date 1392302121 -3600
# Node ID 429c6a0ef73debb2cea306a97f7b4eef6a7a862f
# Parent  831f208b4ea33058a7a5114ba71697e473001264
frontends (tools): addURLToImage makes an image clickable

diff -r 831f208b4ea3 -r 429c6a0ef73d frontends/src/tools/strings.py
--- a/frontends/src/tools/strings.py	Thu Feb 13 12:29:14 2014 +0100
+++ b/frontends/src/tools/strings.py	Thu Feb 13 15:35:21 2014 +0100
@@ -54,3 +54,12 @@
         return '<a href="%s" target="_blank" class="url">%s</a>' % (url, match.group(0))
     pattern = r"""(?i)\b((?:[a-z]{3,}://|(www|ftp)\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/|mailto:|xmpp:)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?]))"""
     return re.sub(pattern, repl, string)
+
+
+def addURLToImage(string):
+    """Check a XHTML text for what looks like an imageURL and make it clickable"""
+    def repl(match):
+        url = match.group(1)
+        return '<a href="%s" target="_blank">%s</a>' % (url, match.group(0))
+    pattern = r"""<img[^>]* src="([^"]+)"[^>]*>"""
+    return re.sub(pattern, repl, string)