<?php

require_once 'MTrack/Config.php';
class MTrackTicket_CustomField {
  var $name;
  var $type;
  var $label;
  var $group;
  var $order = 0;
  var $default;
  var $options;

  static function canonName($name) {
    if (!preg_match("/^x_/", $name)) {
      $name = "x_$name";
    }
    return $name;
  }

  /** load the field definition from the configuration file */
  static function load($name) {
    if (!preg_match("/^x_[a-z_]+$/", $name)) {
      throw new Exception("invalid field name $name");
    }

    $field = new MTrackTicket_CustomField;
    $field->name = $name;

    $field->type  = MTrackConfig::get('ticket.custom', "$name.type");
    $field->label = MTrackConfig::get('ticket.custom', "$name.label");
    $field->group = MTrackConfig::get('ticket.custom', "$name.group");
    $field->order   = (int)MTrackConfig::get('ticket.custom', "$name.order");
    $field->default = MTrackConfig::get('ticket.custom', "$name.default");
    $field->options = MTrackConfig::get('ticket.custom', "$name.options");

    return $field;
  }

  function save() {
    if (!preg_match("/^x_[a-z_]+$/", $this->name)) {
      throw new Exception("invalid field name $this->name");
    }
    $name = $this->name;
    MTrackConfig::set('ticket.custom', "$name.type", $this->type);
    MTrackConfig::set('ticket.custom', "$name.label", $this->label);
    MTrackConfig::set('ticket.custom', "$name.group", $this->group);
    MTrackConfig::set('ticket.custom', "$name.order", (int)$this->order);
    MTrackConfig::set('ticket.custom', "$name.default", $this->default);
    MTrackConfig::set('ticket.custom', "$name.options", $this->options);
  }

  function ticketData() {
    /* compatible with the $FIELDSET data used in web/ticket.php */
    $data = array(
      'label' => $this->label,
      'type' => $this->type,
    );

    if (strlen($this->default)) {
      $data['default'] = $this->default;
    }

    switch ($this->type) {
      case 'multi':
      case 'wiki':
      case 'shortwiki':
        $data['ownrow'] = true;
        $data['rows'] = 5;
        $data['cols'] = 78;
        break;
      case 'select':
      case 'multiselect':
        $options = array('' => ' --- ');
        foreach (explode('|', $this->options) as $opt) {
          $options[$opt] = $opt;
        }
        $data['options'] = $options;
        break;
    }
    return $data;
  }
}