Merge branch 'link-rel-paginate' of git://gitorious.org/laconica/meitar. Fixed wrong call of common_local_url.

These changes add opera-readable prev/next relations.

actions/all.php

@@ -69,6 +69,17 @@ class AllAction extends ProfileAction
                               sprintf(_('Feed for friends of %s (Atom)'), $this->user->nickname)));
     }
 
+    /**
+     * Output document relationship links
+     *
+     * @return void
+     */
+    function showRelationshipLinks()
+    {
+        $this->sequenceRelationships($this->page > 1, $this->count > NOTICES_PER_PAGE, // FIXME
+                                     $this->page, 'all', array('nickname' => $this->user->nickname));
+    }
+
     function showLocalNav()
     {
         $nav = new PersonalGroupNav($this);

actions/favorited.php

@@ -221,4 +221,15 @@ class FavoritedAction extends Action
         $this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
                           $this->page, 'favorited');
     }
+
+    /**
+     * Output document relationship links
+     *
+     * @return void
+     */
+    function showRelationshipLinks()
+    {
+        $this->sequenceRelationships($this->page > 1, $this->count > NOTICES_PER_PAGE, // FIXME
+                                     $this->page, 'favorited');
+    }
 }

actions/groupmembers.php

@@ -137,4 +137,15 @@ class GroupmembersAction extends Action
                           $this->page, 'groupmembers',
                           array('nickname' => $this->group->nickname));
     }
-}
+
+    /**
+     * Output document relationship links
+     *
+     * @return void
+     */
+    function showRelationshipLinks()
+    {
+        $this->sequenceRelationships($this->page > 1, $this->count > NOTICES_PER_PAGE, // FIXME
+                                     $this->page, 'groupmembers', array('nickname' => $this->group->nickname));
+    }
+}

actions/groups.php

@@ -129,4 +129,15 @@ class GroupsAction extends Action
         $gbm = new GroupsByMembersSection($this);
         $gbm->show();
     }
+
+    /**
+     * Output document relationship links
+     *
+     * @return void
+     */
+    function showRelationshipLinks()
+    {
+        $this->sequenceRelationships($this->page > 1, $this->count > NOTICES_PER_PAGE, // FIXME
+                                     $this->page, 'groups', array('nickname' => $this->group->nickname));
+    }
 }

actions/inbox.php

@@ -63,6 +63,17 @@ class InboxAction extends MailboxAction
         }
     }
 
+    /**
+     * Output document relationship links
+     *
+     * @return void
+     */
+    function showRelationshipLinks()
+    {
+        $this->sequenceRelationships($this->page > 1, $this->count > NOTICES_PER_PAGE, // FIXME
+                                     $this->page, 'inbox', array('nickname' => $this->user->nickname));
+    }
+
     /**
      * Retrieve the messages for this user and this page
      *

actions/outbox.php

@@ -62,6 +62,17 @@ class OutboxAction extends MailboxAction
         }
     }
 
+    /**
+     * Output document relationship links
+     *
+     * @return void
+     */
+    function showRelationshipLinks()
+    {
+        $this->sequenceRelationships($this->page > 1, $this->count > NOTICES_PER_PAGE, // FIXME
+                                     $this->page, 'outbox', array('nickname' => $this->user->nickname));
+    }
+
     /**
      * retrieve the messages for this user and this page
      *

actions/public.php

@@ -56,6 +56,18 @@ class PublicAction extends Action
 
     var $page = null;
 
+    /**
+     * Number of notices being shown on this page.
+     */
+    //    Does this need to be here? Should it be?
+    //    If it does, this property needs to be
+    //    added to other actions as well, like $page.
+    //    I'm trying to find a way to capture the
+    //    output of the $cnt variable from this
+    //    action's showContent() method but need
+    //    to do so earlier, I think...?
+    var $count = null;
+
     function isReadOnly()
     {
         return true;
@@ -135,6 +147,17 @@ class PublicAction extends Action
                               _('Public Stream Feed (Atom)')));
     }
 
+    /**
+     * Output document relationship links
+     *
+     * @return void
+     */
+    function showRelationshipLinks()
+    {
+        $this->sequenceRelationships($this->page > 1, $this->count > NOTICES_PER_PAGE, // FIXME
+                                     $this->page, 'public');
+    }
+
     /**
      * Extra head elements
      *

actions/replies.php

@@ -138,6 +138,17 @@ class RepliesAction extends Action
         return array(new Feed(Feed::RSS1, $rssurl, $rsstitle));
     }
 
+    /**
+     * Output document relationship links
+     *
+     * @return void
+     */
+    function showRelationshipLinks()
+    {
+        $this->sequenceRelationships($this->page > 1, $this->count > NOTICES_PER_PAGE, // FIXME
+                                     $this->page, 'replies', array('nickname' => $this->user->nickname));
+    }
+
     /**
      * show the personal group nav
      *

actions/showfavorites.php

@@ -150,6 +150,18 @@ class ShowfavoritesAction extends Action
         return array(new Feed(Feed::RSS1, $feedurl, $feedtitle));
     }
 
+    /**
+     * Output document relationship links
+     *
+     * @return void
+     */
+    function showRelationshipLinks()
+    {
+        $this->sequenceRelationships($this->page > 1, $this->count > NOTICES_PER_PAGE, // FIXME
+                                     $this->page, 'showfavorites', array('nickname' => $this->user->nickname));
+    }
+
+
     /**
      * show the personal group nav
      *

actions/showgroup.php

@@ -311,6 +311,17 @@ class ShowgroupAction extends Action
                                                         $this->group->nickname)));
     }
 
+    /**
+     * Output document relationship links
+     *
+     * @return void
+     */
+    function showRelationshipLinks()
+    {
+        $this->sequenceRelationships($this->page > 1, $this->count > NOTICES_PER_PAGE, // FIXME
+                                     $this->page, 'showgroup', array('nickname' => $this->group->nickname));
+    }
+
     /**
      * Fill in the sidebar.
      *

actions/showstream.php

@@ -135,6 +135,17 @@ class ShowstreamAction extends ProfileAction
                               sprintf(_('FOAF for %s'), $this->user->nickname)));
     }
 
+    /**
+     * Output document relationship links
+     *
+     * @return void
+     */
+    function showRelationshipLinks()
+    {
+        $this->sequenceRelationships($this->page > 1, $this->count > NOTICES_PER_PAGE, // FIXME
+                                     $this->page, 'showstream', array('nickname' => $this->user->nickname));
+    }
+
     function extraHead()
     {
         // for remote subscriptions etc.

actions/tag.php

@@ -77,6 +77,17 @@ class TagAction extends Action
                               sprintf(_('Feed for tag %s'), $this->tag)));
     }
 
+    /**
+     * Output document relationship links
+     *
+     * @return void
+     */
+    function showRelationshipLinks()
+    {
+        $this->sequenceRelationships($this->page > 1, $this->count > NOTICES_PER_PAGE, // FIXME
+                                     $this->page, 'tag', array('tag' => $this->tag));
+    }
+
     function showPageNotice()
     {
         return sprintf(_('Messages tagged "%s", most recent first'), $this->tag);

lib/action.php

@@ -124,6 +124,7 @@ class Action extends HTMLOutputter // lawsuit
         $this->showShortcutIcon();
         $this->showStylesheets();
         $this->showScripts();
+        $this->showRelationshipLinks();
         $this->showOpenSearch();
         $this->showFeeds();
         $this->showDescription();
@@ -264,6 +265,19 @@ class Action extends HTMLOutputter // lawsuit
         }
     }
 
+    /**
+     * Show document relationship links
+     *
+     * SHOULD overload
+     *
+     * @return nothing
+     */
+    function showRelationshipLinks()
+    {
+        // output <link> elements with appropriate HTML4.01 link types:
+        // http://www.w3.org/TR/html401/types.html#type-links
+    }
+
     /**
      * Show OpenSearch headers
      *
@@ -1039,4 +1053,36 @@ class Action extends HTMLOutputter // lawsuit
     {
         return null;
     }
+
+    /**
+     * Generate document metadata for sequential navigation
+     *
+     * @param boolean $have_before is there something before?
+     * @param boolean $have_after  is there something after?
+     * @param integer $page        current page
+     * @param string  $action      current action
+     * @param array   $args        rest of query arguments
+     *
+     * @return nothing
+     */
+    function sequenceRelationships($have_next, $have_previous, $page, $action, $args=null)
+    {
+        // Outputs machine-readable pagination in <link> elements.
+        // Pattern taken from $this->pagination() method.
+
+        // "next" is equivalent to "after"
+        if ($have_next) {
+            $pargs   = array('page' => $page-1);
+            $this->element('link', array('rel' => 'next',
+                                         'href' => common_local_url($action, $args, $pargs),
+                                         'title' => _('Next')));
+        }
+        // "previous" is equivalent to "before"
+        if ($have_previous=true) { // FIXME
+            $pargs   = array('page' => $page+1);
+            $this->element('link', array('rel' => 'prev',
+                                         'href' => common_local_url($action, $args, $pargs),
+                                         'title' => _('Previous')));
+        }
+    }
 }