From ca9f237a37a38af28136307a5e372c40265907b6 Mon Sep 17 00:00:00 2001
From: Radek Czajka <radekczajka@nowoczesnapolska.org.pl>
Date: Tue, 19 Nov 2013 09:20:50 +0100
Subject: [PATCH 1/1] Minimal double reader.

---
 apps/catalogue/models/book.py                 |  4 +++
 .../templates/catalogue/book_text.html        | 26 ++++++++++++++++++-
 .../static/css/master.book.css                | 10 ++++---
 wolnelektury/settings/static.py               |  1 +
 4 files changed, 37 insertions(+), 4 deletions(-)

diff --git a/apps/catalogue/models/book.py b/apps/catalogue/models/book.py
index d69cf2aca..9025e3e5b 100644
--- a/apps/catalogue/models/book.py
+++ b/apps/catalogue/models/book.py
@@ -391,6 +391,10 @@ class Book(models.Model):
             for child in self.children.all():
                 child.parent_cover_changed()
 
+    def other_versions(self):
+        """Find other versions (i.e. in other languages) of the book."""
+        return type(self).objects.filter(common_slug=self.common_slug).exclude(pk=self.pk)
+
     def related_info(self):
         """Keeps info about related objects (tags, media) in cache field."""
         if self._related_info is not None:
diff --git a/apps/catalogue/templates/catalogue/book_text.html b/apps/catalogue/templates/catalogue/book_text.html
index f6f2f993e..c4031a6c4 100644
--- a/apps/catalogue/templates/catalogue/book_text.html
+++ b/apps/catalogue/templates/catalogue/book_text.html
@@ -29,6 +29,9 @@
                     <li><a class="open-player" target="_blank" href="{% url "book_player" book.slug %}">
                         {% trans "Listen" %}</a></li>
                 {% endif %}
+                {% if book.other_versions.exists %}
+                    <li><a class="menu" href="#other-versions">Inne wersje</a></li>
+                {% endif %}
             </ul>
         </div>
         <div id="info">
@@ -58,10 +61,31 @@
             {% endif %}
             </ul>
         </div>
+        {% if book.other_versions.exists %}
+        <div id="other-versions">
+            <ul>
+            {% for version in book.other_versions %}
+                <li>{{ version.pretty_title }}:
+                    <br/><a href="#" class="display-other" data-other="{{ version.html_file.url }}">porównaj</a>,
+                    <a href="{{ version.get_absolute_url }}">przejdź</a>.
+                </li>
+            {% endfor %}
+            </ul>
+        </div>
+        {% endif %}
         <div id="header">
             <a href="/"><img src="{% static "img/logo-220.png" %}" alt="Wolne Lektury" /></a>
         </div>
-        {{ book.html_file.read|safe }}
+
+        <div style="position:relative; margin: 4.5em 0">
+            {{ book.html_file.read|safe }}
+            <div id="other-text"
+                style="display:none;position: absolute; top: 0; left: 780px; border-left: 1px solid #ddd">
+                <a id="other-text-close" href="#" style="position: absolute; top: -1.5em;">(zamknij)</a>
+                <div id="other-text-waiter">wait...</div>
+                <div id="other-text-body" style="display: none;"></div>
+            </div>
+        </div>
         {{ piwik_tag|safe }}
     </body>
 </html>
diff --git a/apps/wolnelektury_core/static/css/master.book.css b/apps/wolnelektury_core/static/css/master.book.css
index be5492726..edea7930c 100644
--- a/apps/wolnelektury_core/static/css/master.book.css
+++ b/apps/wolnelektury_core/static/css/master.book.css
@@ -11,10 +11,14 @@ a {
 }
 
 #book-text {
-    margin: 3em;
+    margin: 0 3em;
     max-width: 36em;
 }
 
+#other-text #book-text {
+    width: 36em;
+}
+
 /* ================================== */
 /* = Header with logo and menu      = */
 /* ================================== */
@@ -89,7 +93,7 @@ img {
 }
 
 
-#toc, #themes, #nota_red, #info {
+#toc, #themes, #nota_red, #info, #other-versions {
     position: fixed;
     left: 0em;
     top: 1.5em;
@@ -163,7 +167,7 @@ img {
 /* =================================================== */
 h1 {
     font-size: 3em;
-    margin: 1.5em 0;
+    margin: 0 0 1.5em 0;
     text-align: center;
     line-height: 1.5em;
     font-weight: bold;
diff --git a/wolnelektury/settings/static.py b/wolnelektury/settings/static.py
index a3ff42430..c38db38d1 100644
--- a/wolnelektury/settings/static.py
+++ b/wolnelektury/settings/static.py
@@ -101,6 +101,7 @@ PIPELINE_JS = {
             'js/jquery.eventdelegation.js',
             'js/jquery.scrollto.js',
             'js/jquery.highlightfade.js',
+            'js/book_text/other.js',
             'js/book.js',
             'player/openplayer.js',
         ],
-- 
2.20.1