Feature maxcount

action.php

@@ -290,6 +290,7 @@ function _indexmenu_list_toc($item) {
      * @author Samuele Tognini <samuele@samuele.netsons.org>
      * @author Andreas Gohr <andi@splitbrain.org>
      * @author Rene Hadler <rene.hadler@iteas.at>
+     * @author Ekkart Kleinod <ekleinod@edgesoft.de>
      */
     function print_index($ns) {
         require_once(DOKU_PLUGIN.'indexmenu/syntax/indexmenu.php');
@@ -301,6 +302,7 @@ function print_index($ns) {
         $data     = array();
         $skipfile = array();
         $skipns   = array();
+        $maxcount = 0;
 
         if($_REQUEST['max'] > 0) {
             $max   = $_REQUEST['max'];
@@ -333,6 +335,10 @@ function print_index($ns) {
             $skipns[$index] = substr($skipn, 1);
         }
 
+        if($_REQUEST['maxcount'] > 0) {
+            $maxcount = $_REQUEST['maxcount'];
+        }
+
         $opts = array(
             'level'         => $level,
             'nons'          => $_REQUEST['nons'],
@@ -351,14 +357,19 @@ function print_index($ns) {
             search($data, $conf['datadir'], array($idxm, '_search_index'), $opts, $fsdir);
         }
 
+        if($maxcount > 0) {
+            // reduce items in array to maxcount, preserving keys
+            $data = array_slice($data, 0, $maxcount, true);
+        }
+
         $out = '';
         if($_REQUEST['nojs']) {
             require_once(DOKU_INC.'inc/html.php');
             $out_tmp = html_buildlist($data, 'idx', array($idxm, "_html_list_index"), "html_li_index");
             $out .= preg_replace('/<ul class="idx">(.*)<\/ul>/s', "$1", $out_tmp);
         } else {
             $nodes = $idxm->_jsnodes($data, '', 0);
-            $out   = "ajxnodes = [";
+            $out .= "ajxnodes = [";
             $out .= rtrim($nodes[0], ",");
             $out .= "];";
         }

lang/de-informal/lang.php

@@ -2,7 +2,7 @@
 
 /**
  * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
- * 
+ *
  * @author Thomas Templin <templin@gnuwhv.de>
  * @author Dana <dannax3@gmx.de>
  */
@@ -52,6 +52,7 @@
 $lang['js']['nons']            = 'Nur Seiten zeigen';
 $lang['js']['nopg']            = 'Nur Namensr&auml;ume zeigen';
 $lang['js']['max']             = 'Wieviele Ebenen sollen mit Ajax geholt werden, wenn ein Knoten ge&ouml;ffnet wird? Au&szlig;erdem: wieviele Unterebenen unterhalb dieser Ebene sollen mit Ajax geholt werden anstatt w&auml;hrend des Seitenaufbaus?';
+$lang['js']['maxcount']        = 'Wieviele Seiten sollen angezeigt werden?';
 $lang['js']['maxjs']           = 'Wieviele Ebenen sollen im Browser statt auf dem Server gerendert werden, wenn ein Knoten ge&ouml;ffnet wird?';
 $lang['js']['id']              = 'Benutzerspezifische Cookie-ID f&uml;r dieses indexmenu';
 $lang['js']['insert']          = 'Indexmenu einf&uml;gen';

lang/de/lang.php

@@ -2,7 +2,7 @@
 
 /**
  * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
- * 
+ *
  * @author Fabian Pfannes <fpfannes@web.de>
  * @author Dennis Plöger <develop@dieploegers.de>
  * @author Kilian Maier <kilian.maier1@web.de>
@@ -55,6 +55,7 @@
 $lang['js']['nons']            = 'Nur Seiten zeigen';
 $lang['js']['nopg']            = 'Nur Namensräume zeigen';
 $lang['js']['max']             = 'Wieviele Ebenen sollen mit AJAX geholt werden, wenn ein Knoten geöffnet wird? Außerdem: wieviele Unterebenen unterhalb dieser Ebene sollen mit AJAX geholt werden anstatt während des Seitenaufbaus?';
+$lang['js']['maxcount']        = 'Wieviele Seiten sollen angezeigt werden?';
 $lang['js']['maxjs']           = 'Wieviele Ebenen sollen im Browser statt auf dem Server gerendert werden, wenn ein Knoten geöffnet wird?';
 $lang['js']['id']              = 'Benutzerspezifische Cookie-ID für dieses Indexmenu';
 $lang['js']['insert']          = 'Indexmenu einfügen';

lang/en/lang.php

@@ -53,6 +53,7 @@
 $lang['js']['nons']            = 'Show only pages';
 $lang['js']['nopg']            = 'Show only namespaces';
 $lang['js']['max']             = 'How many levels to render with ajax when a node is opened. Additional are how many sublevels below that level are retrieved with AJAX instead of in one go. ';
+$lang['js']['maxcount']        = 'How many pages to show?';
 $lang['js']['maxjs']           = 'How many levels to render in the client browser when a node is opened';
 $lang['js']['id']              = 'Self defined cookie id for this indexmenu';
 $lang['js']['insert']          = 'Insert indexmenu';

syntax/indexmenu.php

@@ -55,6 +55,9 @@ public function connectTo($mode) {
     /**
      * Handler to prepare matched data for the rendering process
      *
+     * @author Samuele Tognini <samuele@samuele.netsons.org>
+     * @author Ekkart Kleinod <ekleinod@edgesoft.de>
+     *
      * @param   string       $match   The text matched by the patterns
      * @param   int          $state   The lexer state for the match
      * @param   int          $pos     The character position of the matched text
@@ -71,6 +74,7 @@ public function handle($match, $state, $pos, Doku_Handler $handler) {
         $nss      = array();
         $skipns   = array();
         $skipfile = array();
+        $maxcount = 0;
 
         $defaultsstr = $this->getConf('defaultoptions');
         $defaults = explode(' ', $defaultsstr);
@@ -236,6 +240,12 @@ public function handle($match, $state, $pos, Doku_Handler $handler) {
             $jsajax .= "&skipfile=" . utf8_encodeFN(($action == '+' ? '+' : '=') . $sf[1]);
         }
 
+        // check maxcount option
+        if($maxcountvalue = $this->getOption($defaultsstr, $optsstr, '/maxcount#(\d+)/u')) {
+            $maxcount = $maxcountvalue;
+        }
+
+
         //js options
         $js_opts = compact('theme', 'identifier', 'nocookie', 'navbar', 'noscroll', 'maxjs', 'notoc', 'jsajax', 'context', 'nomenu');
 
@@ -258,7 +268,8 @@ public function handle($match, $state, $pos, Doku_Handler $handler) {
                 'headpage'      => $this->getConf('headpage'),
                 'hide_headpage' => $this->getConf('hide_headpage')
             ),
-            $hsort
+            $hsort,
+            $maxcount
         );
     }
 
@@ -380,6 +391,7 @@ public function render($mode, Doku_Renderer $renderer, $data) {
      *
      * This function is a simple hack of Dokuwiki @see html_index($ns)
      * @author Andreas Gohr <andi@splitbrain.org>
+     * @author Ekkart Kleinod <ekleinod@edgesoft.de>
      *
      * @param array $myns the options for indexmenu
      * @return bool|string return html for a nojs index and when enabled the js rendered index, otherwise false
@@ -394,6 +406,7 @@ private function _indexmenu($myns) {
         $this->nsort = $myns[5];
         $opts        = $myns[6]; //level, nons, nopg, nss, max, js, skip_index, skip_file, headpage, hide_headpage
         $this->hsort = $myns[7];
+        $this->maxcount = $myns[8];
         $data        = array();
         $js_name     = "indexmenu_".$js_opts['identifier'];
         $fsdir       = "/".utf8_encodeFN(str_replace(':', '/', $ns));
@@ -402,6 +415,12 @@ private function _indexmenu($myns) {
         } else {
             search($data, $conf['datadir'], array($this, '_search_index'), $opts, $fsdir);
         }
+
+        if($this->maxcount > 0) {
+            // reduce items in array to maxcount, preserving keys
+            $data = array_slice($data, 0, $this->maxcount, true);
+        }
+
         if(!$data) return false;
 
         // javascript index
@@ -965,4 +984,4 @@ private function _setorder($item) {
         if($sort === false) $sort = noNS($item['id']);
         return $sort;
     }
-} //Indexmenu class end  
+} //Indexmenu class end