constance

commit 8e730e4659af98922c4bfce0639f169d0dbe19dc
parent 9787eb79b4064663dfa63327db276f5c12e31728
Author: Dan Callaghan <djc@djc.id.au>
Date:   Sat,  7 Jun 2008 23:48:43 +1000

pagination

committer: Dan Callaghan <djc@djc.id.au>

--HG--
extra : convert_revision : 7257e3cec5dc5414e727c34b40f1fb2297b96be5

Diffstat:
M
app.py
 | 
9
++++++---
M
templates/multiple.xml
 | 
15
++++++++++++---

2 files changed, 18 insertions(+), 6 deletions(-)
diff --git a/app.py b/app.py
@@ -35,7 +35,8 @@ class BlogApplication(RegexApplication):
 		rendered = template_loader.load('multiple.xml').generate(
 				title=None, 
 				all_categories=self.entries.categories(), 
-				entries=self.entries
+				entries=self.entries, 
+				offset=int(self.request.args.get('offset', 0))
 				).render('xhtml')
 		return HttpResponse(rendered, [('Content-Type', 'text/html')], 200)
 	
@@ -60,7 +61,8 @@ class BlogApplication(RegexApplication):
 		rendered = template_loader.load('multiple.xml').generate(
 				title=u'%s category' % category, 
 				all_categories=self.entries.categories(), 
-				entries=entries
+				entries=entries, 
+				offset=int(self.request.args.get('offset', 0))
 				).render('xhtml')
 		return HttpResponse(rendered, [('Content-Type', 'text/html')], 200)
 
@@ -73,7 +75,8 @@ class BlogApplication(RegexApplication):
 		rendered = template_loader.load('multiple.xml').generate(
 				title=u'“%s” tag' % tag, 
 				all_categories=self.entries.categories(), 
-				entries=entries
+				entries=entries, 
+				offset=int(self.request.args.get('offset', 0))
 				).render('xhtml')
 		return HttpResponse(rendered, [('Content-Type', 'text/html')], 200)
 
diff --git a/templates/multiple.xml b/templates/multiple.xml
@@ -13,9 +13,18 @@
 
 <h2 class="archives" py:if="title">Archive for the ${title}</h2>
 
-<py:for each="entry in sorted(entries, key=lambda e: e.publication_date, reverse=True)[:20]">
-	${show_entry(entry, show_comments=False)}
-</py:for>
+<py:with vars="sorted_entries = sorted(entries, key=lambda e: e.publication_date, reverse=True);
+		show_prev = bool(offset);
+		show_next = len(sorted_entries) > offset + 20">
+	<py:for each="entry in sorted_entries[offset:offset + 20]">
+		${show_entry(entry, show_comments=False)}
+	</py:for>
+	<p py:if="show_prev or show_next">
+		<a py:if="show_prev" href="?offset=${max(0, offset - 20)}">« previous page</a>
+		<py:if test="show_prev and show_next">—</py:if>
+		<a py:if="show_next" href="?offset=${offset + 20}">next page »</a>
+	</p>
+</py:with>
 
 </body>
 </html>