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   1  <?php
   2  
   3  namespace dokuwiki\plugin\config\core\Setting;
   4  
   5  /**
   6   * Class setting_multichoice
   7   */
   8  class SettingMultichoice extends SettingString
   9  {
  10      protected $choices = [];
  11      public $lang; //some custom language strings are stored in setting
  12  
  13      /** @inheritdoc */
  14      public function html(\admin_plugin_config $plugin, $echo = false)
  15      {
  16          $disable = '';
  17          $nochoice = '';
  18  
  19          if ($this->isProtected()) {
  20              $value = $this->protected;
  21              $disable = ' disabled="disabled"';
  22          } else {
  23              $value = is_null($this->local) ? $this->default : $this->local;
  24          }
  25  
  26          // ensure current value is included
  27          if (!in_array($value, $this->choices)) {
  28              $this->choices[] = $value;
  29          }
  30          // disable if no other choices
  31          if (!$this->isProtected() && count($this->choices) <= 1) {
  32              $disable = ' disabled="disabled"';
  33              $nochoice = $plugin->getLang('nochoice');
  34          }
  35  
  36          $key = htmlspecialchars($this->key);
  37  
  38          $label = '<label for="config___' . $key . '">' . $this->prompt($plugin) . '</label>';
  39  
  40          $input = "<div class=\"input\">\n";
  41          $input .= '<select class="edit" id="config___' . $key . '" name="config[' . $key . ']"' . $disable . '>' . "\n";
  42          foreach ($this->choices as $choice) {
  43              $selected = ($value == $choice) ? ' selected="selected"' : '';
  44              $option = $plugin->getLang($this->key . '_o_' . $choice);
  45              if (!$option && isset($this->lang[$this->key . '_o_' . $choice])) {
  46                  $option = $this->lang[$this->key . '_o_' . $choice];
  47              }
  48              if (!$option) $option = $choice;
  49  
  50              $choice = htmlspecialchars($choice);
  51              $option = htmlspecialchars($option);
  52              $input .= '  <option value="' . $choice . '"' . $selected . ' >' . $option . '</option>' . "\n";
  53          }
  54          $input .= "</select> $nochoice \n";
  55          $input .= "</div>\n";
  56  
  57          return [$label, $input];
  58      }
  59  
  60      /** @inheritdoc */
  61      public function update($input)
  62      {
  63          if (is_null($input)) return false;
  64          if ($this->isProtected()) return false;
  65  
  66          $value = is_null($this->local) ? $this->default : $this->local;
  67          if ($value == $input) return false;
  68  
  69          if (!in_array($input, $this->choices)) return false;
  70  
  71          $this->local = $input;
  72          return true;
  73      }
  74  }