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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Settings block
  19   *
  20   * @package    block_settings
  21   * @copyright  2010 Sam Hemelryk
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  class block_settings_renderer extends plugin_renderer_base {
  26  
  27      public function settings_tree(settings_navigation $navigation) {
  28          $count = 0;
  29          foreach ($navigation->children as &$child) {
  30              $child->preceedwithhr = ($count!==0);
  31              $count++;
  32          }
  33          $content = $this->navigation_node($navigation, array('class'=>'block_tree list'));
  34          if (isset($navigation->id) && !is_numeric($navigation->id) && !empty($content)) {
  35              $content = $this->output->box($content, 'block_tree_box', $navigation->id);
  36          }
  37          return $content;
  38      }
  39  
  40      protected function navigation_node(navigation_node $node, $attrs=array()) {
  41          $items = $node->children;
  42  
  43          // exit if empty, we don't want an empty ul element
  44          if ($items->count()==0) {
  45              return '';
  46          }
  47  
  48          // array of nested li elements
  49          $lis = array();
  50          foreach ($items as $item) {
  51              if (!$item->display) {
  52                  continue;
  53              }
  54  
  55              $isbranch = ($item->children->count()>0  || $item->nodetype==navigation_node::NODETYPE_BRANCH);
  56              $hasicon = (!$isbranch && $item->icon instanceof renderable);
  57  
  58              if ($isbranch) {
  59                  $item->hideicon = true;
  60              }
  61              $content = $this->output->render($item);
  62  
  63              // this applies to the li item which contains all child lists too
  64              $liclasses = array($item->get_css_type());
  65              $liexpandable = array();
  66              if (!$item->forceopen || (!$item->forceopen && $item->collapse) || ($item->children->count()==0  && $item->nodetype==navigation_node::NODETYPE_BRANCH)) {
  67                  $liclasses[] = 'collapsed';
  68              }
  69              if ($isbranch) {
  70                  $liclasses[] = 'contains_branch';
  71                  $liexpandable = array('aria-expanded' => in_array('collapsed', $liclasses) ? "false" : "true");
  72              } else if ($hasicon) {
  73                  $liclasses[] = 'item_with_icon';
  74              }
  75              if ($item->isactive === true) {
  76                  $liclasses[] = 'current_branch';
  77              }
  78              $liattr = array('class' => join(' ',$liclasses)) + $liexpandable;
  79              // class attribute on the div item which only contains the item content
  80              $divclasses = array('tree_item');
  81              if ($isbranch) {
  82                  $divclasses[] = 'branch';
  83              } else {
  84                  $divclasses[] = 'leaf';
  85              }
  86              if (!empty($item->classes) && count($item->classes)>0) {
  87                  $divclasses[] = join(' ', $item->classes);
  88              }
  89              $divattr = array('class'=>join(' ', $divclasses));
  90              if (!empty($item->id)) {
  91                  $divattr['id'] = $item->id;
  92              }
  93              $content = html_writer::tag('p', $content, $divattr) . $this->navigation_node($item);
  94              if (!empty($item->preceedwithhr) && $item->preceedwithhr===true) {
  95                  $content = html_writer::empty_tag('hr') . $content;
  96              }
  97              $content = html_writer::tag('li', $content, $liattr);
  98              $lis[] = $content;
  99          }
 100  
 101          if (count($lis)) {
 102              return html_writer::tag('ul', implode("\n", $lis), $attrs);
 103          } else {
 104              return '';
 105          }
 106      }
 107  
 108      public function search_form(moodle_url $formtarget, $searchvalue) {
 109          $content = html_writer::start_tag('form', array('class'=>'adminsearchform', 'method'=>'get', 'action'=>$formtarget, 'role' => 'search'));
 110          $content .= html_writer::start_tag('div');
 111          $content .= html_writer::tag('label', s(get_string('searchinsettings', 'admin')), array('for'=>'adminsearchquery', 'class'=>'accesshide'));
 112          $content .= html_writer::empty_tag('input', array('id'=>'adminsearchquery', 'type'=>'text', 'name'=>'query', 'value'=>s($searchvalue)));
 113          $content .= html_writer::empty_tag('input', array('type'=>'submit', 'value'=>s(get_string('search'))));
 114          $content .= html_writer::end_tag('div');
 115          $content .= html_writer::end_tag('form');
 116          return $content;
 117      }
 118  
 119  }