1 files changed, 24 insertions, 2 deletions

diff --git a/index.php b/index.php
index 891a2ece..9025df58 100644
--- a/index.php
+++ b/index.php
@@ -287,6 +287,7 @@ function logout() {
         unset($_SESSION['ip']);
         unset($_SESSION['username']);
         unset($_SESSION['privateonly']);
+        unset($_SESSION['untaggedonly']);
     }
     setcookie('shaarli_staySignedIn', FALSE, 0, WEB_PATH);
 }
@@ -806,6 +807,9 @@ function renderPage($conf, $pluginManager, $LINKSDB, $history)
 
         $tagList = array();
         foreach($tags as $key => $value) {
+            if (in_array($key, $filteringTags)) {
+                continue;
+            }
             // Tag font size scaling:
             //   default 15 and 30 logarithm bases affect scaling,
             //   22 and 6 are arbitrary font sizes for max and min sizes.
@@ -830,12 +834,17 @@ function renderPage($conf, $pluginManager, $LINKSDB, $history)
         exit;
     }
 
-    // -------- Tag cloud
+    // -------- Tag list
     if ($targetPage == Router::$PAGE_TAGLIST)
     {
         $visibility = ! empty($_SESSION['privateonly']) ? 'private' : 'all';
         $filteringTags = isset($_GET['searchtags']) ? explode(' ', $_GET['searchtags']) : [];
         $tags = $LINKSDB->linksCountPerTag($filteringTags, $visibility);
+        foreach ($filteringTags as $tag) {
+            if (array_key_exists($tag, $tags)) {
+                unset($tags[$tag]);
+            }
+        }
 
         if (! empty($_GET['sort']) && $_GET['sort'] === 'alpha') {
             alphabetical_sort($tags, false, true);
@@ -1010,6 +1019,19 @@ function renderPage($conf, $pluginManager, $LINKSDB, $history)
         exit;
     }
 
+    // -------- User wants to see only untagged links (toggle)
+    if (isset($_GET['untaggedonly'])) {
+        $_SESSION['untaggedonly'] = !$_SESSION['untaggedonly'];
+
+        if (! empty($_SERVER['HTTP_REFERER'])) {
+            $location = generateLocation($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'], array('untaggedonly'));
+        } else {
+            $location = '?';
+        }
+        header('Location: '. $location);
+        exit;
+    }
+
     // -------- Handle other actions allowed for non-logged in users:
     if (!isLoggedIn())
     {
@@ -1621,7 +1643,7 @@ function buildLinkList($PAGE,$LINKSDB, $conf, $pluginManager)
             'searchtags' => $searchtags,
             'searchterm' => $searchterm,
         ];
-        $linksToDisplay = $LINKSDB->filterSearch($request, false, $visibility);
+        $linksToDisplay = $LINKSDB->filterSearch($request, false, $visibility, !empty($_SESSION['untaggedonly']));
     }
 
     // ---- Handle paging.