From d9ffac099f77baed06bc1afc2e99969c062f89eb Mon Sep 17 00:00:00 2001
From: Loic d'Anterroches <titoo@users.sourceforge.net>
Date: Sun, 23 Nov 2008 11:12:16 +0100
Subject: [PATCH] Added the visualisation of the old revisions of a page.

---
 src/IDF/Views/Wiki.php                 | 15 +++++++++++++++
 src/IDF/templates/idf/wiki/update.html |  2 +-
 src/IDF/templates/idf/wiki/view.html   | 20 ++++++++++++++++++++
 www/media/idf/css/style.css            |  9 +++++++++
 4 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/src/IDF/Views/Wiki.php b/src/IDF/Views/Wiki.php
index 91ef650..4d0333e 100644
--- a/src/IDF/Views/Wiki.php
+++ b/src/IDF/Views/Wiki.php
@@ -134,13 +134,28 @@ class IDF_Views_Wiki
             throw new Pluf_HTTP_Error404($request);
         }
         $page = $pages[0];
+        $oldrev = false;
+        // We grab the old revision if requested.
+        if (isset($request->GET['rev']) and preg_match('/^[0-9]+$/', $request->GET['rev'])) {
+            $oldrev = Pluf_Shortcuts_GetObjectOr404('IDF_WikiRevision',
+                                                    $request->GET['rev']);
+            if ($oldrev->wikipage != $page->id) {
+                throw new Pluf_HTTP_Error404($request);
+            }
+        }
         $title = $page->title;
         $revision = $page->get_current_revision();
+        $db = $page->getDbConnection();
+        $false = Pluf_DB_BooleanToDb(false, $db);
+        $revs = $page->get_revisions_list(array('order' => 'creation_dtime DESC',
+                                                'filter' => 'is_head='.$false));
         return Pluf_Shortcuts_RenderToResponse('idf/wiki/view.html',
                                                array(
                                                      'page_title' => $title,
                                                      'page' => $page,
+                                                     'oldrev' => $oldrev,
                                                      'rev' => $revision,
+                                                     'revs' => $revs,
                                                      'tags' => $page->get_tags_list(),
                                                      ),
                                                $request);
diff --git a/src/IDF/templates/idf/wiki/update.html b/src/IDF/templates/idf/wiki/update.html
index 3b44194..3fa6af5 100644
--- a/src/IDF/templates/idf/wiki/update.html
+++ b/src/IDF/templates/idf/wiki/update.html
@@ -56,7 +56,7 @@
 </tr>{/if}
 <tr>
 <td>&nbsp;</td>
-<td><input type="submit" value="{trans 'Preview'}" name="preview" /> &nbsp; <input type="submit" value="{trans 'Update Page'}" name="submit" /> | <a href="{url 'IDF_Views_Wiki::index', array($project.shortname)}">{trans 'Cancel'}</a>
+<td><input type="submit" value="{trans 'Preview'}" name="preview" /> &nbsp; <input type="submit" value="{trans 'Update Page'}" name="submit" /> | <a href="{url 'IDF_Views_Wiki::view', array($project.shortname, $page.title)}">{trans 'Cancel'}</a>
 </td>
 </tr>
 </table>
diff --git a/src/IDF/templates/idf/wiki/view.html b/src/IDF/templates/idf/wiki/view.html
index 60b7e5e..4d457eb 100644
--- a/src/IDF/templates/idf/wiki/view.html
+++ b/src/IDF/templates/idf/wiki/view.html
@@ -1,10 +1,24 @@
 {extends "idf/wiki/base.html"}
+{block extraheader}{if $oldrev}<meta name="ROBOTS" content="NOINDEX" />{/if}{/block}
 {block docclass}yui-t3{assign $inView=true}{/block}
 {block body}
 
+{if $oldrev}
+{assign $submitter = $oldrev.get_submitter()}{aurl 'url', 'IDF_Views_Wiki::view', array($project.shortname, $page.title)}
+<div class="old-rev">
+<p>{blocktrans}You are looking at an old revision of the page 
+<a href="{$url}">{$page.title}</a>. This revision was created
+by {$submitter}.{/blocktrans}</p>
+</div>
+{/if}
+
 <p class="desc">{$page.summary}</p>
 
+{if !$oldrev}
 {markdown $rev.content, $request}
+{else}
+{markdown $oldrev.content, $request}
+{/if}
 
 {/block}
 {block context}
@@ -19,4 +33,10 @@
 <span class="label"><strong>{$tag.class}:</strong>{$tag.name}</span><br />
 {/foreach}
 </p>{/if}
+{if $revs.count() > 0}
+<p><strong>{trans 'Old Revisions'}</strong></p>
+<ul>{foreach $revs as $old}
+<li><a href="{url 'IDF_Views_Wiki::view', array($project.shortname, $page.title), array('rev'=>$old.id)}">{$old.summary}</a></li>
+{/foreach}</ul>
+{/if}
 {/block}
diff --git a/www/media/idf/css/style.css b/www/media/idf/css/style.css
index c1c3db3..2335c09 100644
--- a/www/media/idf/css/style.css
+++ b/www/media/idf/css/style.css
@@ -589,3 +589,12 @@ p.desc {
   padding: 4px;
   width: 60%;
 }
+
+div.old-rev { 
+  padding: 1em 1em 0.1em 1em;
+  margin-bottom: 1em;
+  background-color: #bbe394;
+  width: 40%;
+  -moz-border-radius: 5px;
+  -webkit-border-radius: 5px;
+}