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-rw-r--r--lib/action.php34
1 files changed, 34 insertions, 0 deletions
diff --git a/lib/action.php b/lib/action.php
index 8d0fea7af..80a8969fa 100644
--- a/lib/action.php
+++ b/lib/action.php
@@ -938,4 +938,38 @@ class Action extends HTMLOutputter // lawsuit
$this->elementEnd('div');
}
}
+
+ /**
+ * 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);
+ $newargs = $args ? array_merge($args, $pargs) : $pargs;
+ $this->element('link', array('rel' => 'next',
+ 'href' => common_local_url($action, $newargs),
+ 'title' => _('Next')));
+ }
+ // "previous" is equivalent to "before"
+ if ($have_previous=true) { // FIXME
+ $pargs = array('page' => $page+1);
+ $newargs = $args ? array_merge($args, $pargs) : $pargs;
+ $this->element('link', array('rel' => 'prev',
+ 'href' => common_local_url($action, $newargs),
+ 'title' => _('Previous')));
+ }
+ }
}