<?php
/**
 * additional setting classes specific to these settings
 *
 * @author    Chris Smith <chris@jalakai.co.uk>
 */

if (!class_exists('setting_sepchar')) {
  class setting_sepchar extends setting_multichoice {
    
    function setting_sepchar($key,$param=NULL) {
        $str = '_-.';
        for ($i=0;$i<strlen($str);$i++) $this->_choices[] = $str{$i};        
        
        // call foundation class constructor
        $this->setting($key,$param);
    }
  }
}

if (!class_exists('setting_savedir')) {
  class setting_savedir extends setting {

    function update($input) {
        if ($this->is_protected()) return false;
        
        $value = is_null($this->_local) ? $this->_default : $this->_local;
        if ($value == $input) return false;

        if (!init_path($input)) {
          $this->_error = true;
          $this->_input = $input;
          return false;
        }
        
        $this->_local = $input;
        return true;
    }
  }
}

if (!class_exists('setting_authtype')) {
  class setting_authtype extends setting_multichoice {

    function initialize($default,$local,$protected) {

      // populate $this->_choices with a list of available auth mechanisms
      $authtypes = glob(DOKU_INC.'inc/auth/*.class.php');
      $authtypes = preg_replace('#^.*/([^/]*)\.class\.php$#i','$1', $authtypes);
      sort($authtypes);

      $this->_choices = $authtypes;
      
      parent::initialize($default,$local,$protected);
    }
  }
}

if (!class_exists('setting_im_convert')) {
  class setting_im_convert extends setting {

    function update($input) {
        if ($this->is_protected()) return false;
        
        $input = trim($input);
        
        $value = is_null($this->_local) ? $this->_default : $this->_local;
        if ($value == $input) return false;

        if ($input && !@file_exists($input)) {
          $this->_error = true;
          $this->_input = $input;
          return false;    
        }
        
        $this->_local = $input;
        return true;
    }
  }
}