<?php
/*******************************************************************************
 * Copyright (C) 2007 Easter-eggs
 * http://ldapsaisie.labs.libre-entreprise.org
 *
 * Author: See AUTHORS file in top-level directory.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version 2
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

******************************************************************************/


/**
 * Element valueWithUnit d'un formulaire pour LdapSaisie
 *
 * Cette classe définis les éléments valueWithUnit des formulaires.
 * Elle étant la classe basic LSformElement.
 *
 * @author Benjamin Renard <brenard@easter-eggs.com>
 */

class LSformElement_valueWithUnit extends LSformElement {

  var $fieldTemplate = 'LSformElement_valueWithUnit_field.tpl';

 /**
  * Retourne les unites de l'attribut
  * 
  * @retval array|False Le tableau contenant en cle les seuils et en valeur les labels des unites.
  *                     Si le parametre units n'est pas defini, cette fonction retournera False
  **/
  function getUnits() {
    if (isset($this -> params['html_options']['units']) && is_array($this -> params['html_options']['units'])) {
      $units=array();
      foreach($this -> params['html_options']['units'] as $sill => $label) {
        $units[$sill]=__($label);
      }
      return $units;
    }
    LSerror :: addErrorCode('LSformElement_valueWithUnit_01',$this -> name);
    return;
  }

 /**
  * Retourne les infos d'affichage de l'élément
  * 
  * Cette méthode retourne les informations d'affichage de l'élement
  *
  * @retval array
  */
  function getDisplay(){
    $return = $this -> getLabelInfos();

    $values_and_units=array();
    $units=$this -> getUnits();
    
    if ($units) {
      foreach ($this -> values as $value) {
        if (ereg('^([0-9]*)$',$value,$regs)) {
          $infos = array(
            'value' => $regs[1]
          );
          foreach($units as $sill => $label) {
            if ($infos['value'] >= $sill) {
              if ($infos['value'] % $sill == 0) {
                $infos['valueWithUnit']=$infos['value']/$sill;
                $infos['unitSill']=$sill;
                $infos['unitLabel']=$label;
                break;
              }
            }
          }
          $values_and_units[$value] = $infos;
        }
        else {
          $values_and_units[$value] = array(
            'unknown' => _('Incorrect value')
          );
        }
      }
    }
    
    LSsession :: addCssFile('LSformElement_valueWithUnit.css');
    
    $return['html']=$this -> fetchTemplate(
      NULL,
      array(
        'values_and_units' => $values_and_units,
        'units' => $units
      )
    );
    return $return;
  }
  
 /**
  * Retourne le code HTML d'un champ vide
  *
  * @retval string Code HTML d'un champ vide.
  */
  function getEmptyField() {
    return $this -> fetchTemplate(
      $this -> fieldTemplate,
      array(
        'units' => $this -> getUnits()
      )
    );
  }
  
  /**
   * Recupère la valeur de l'élement passée en POST
   *
   * Cette méthode vérifie la présence en POST de la valeur de l'élément et la récupère
   * pour la mettre dans le tableau passer en paramètre avec en clef le nom de l'élément
   *
   * @param[] array Pointeur sur le tableau qui recupèrera la valeur.
   *
   * @retval boolean true si la valeur est présente en POST, false sinon
   */
  function getPostData(&$return) {
    if($this -> isFreeze()) {
      return true;
    }
    $return[$this -> name]=array();
    if (isset($_POST[$this -> name.'_valueWithUnit'])) {
      if(!is_array($_POST[$this -> name.'_valueWithUnit'])) {
        $_POST[$this -> name.'_valueWithUnit'] = array($_POST[$this -> name.'_valueWithUnit']);
      }
      if(isset($_POST[$this -> name.'_unitFact']) && !is_array($_POST[$this -> name.'_unitFact'])) {
        $_POST[$this -> name.'_unitFact'] = array($_POST[$this -> name.'_unitFact']);
      }
      foreach($_POST[$this -> name.'_valueWithUnit'] as $key => $val) {
        if (!empty($val)) {
          $f = 1;
          if (isset($_POST[$this -> name.'_unitFact'][$key]) && ($_POST[$this -> name.'_unitFact'][$key]!=1)) {
            $f = $_POST[$this -> name.'_unitFact'][$key];
          }
          $return[$this -> name][$key] = ($val*$f);
        }
      }
    }
    if (isset($_POST[$this -> name])) {
      if(!is_array($_POST[$this -> name])) {
        $_POST[$this -> name] = array($_POST[$this -> name]);
      }
      $return[$this -> name]=array_merge($return[$this -> name],$_POST[$this -> name]);
    }
    if (isset($_POST[$this -> name.'_value'])) {
      if (!is_array($_POST[$this -> name.'_value'])) {
        $_POST[$this -> name.'_value']=array($_POST[$this -> name.'_value']);
      }
      $return[$this -> name]=array_merge($return[$this -> name],$_POST[$this -> name.'_value']);
    }
    return true;
  }
}

/*
 * Error Codes
 */
LSerror :: defineError('LSformElement_valueWithUnit_01',
_("LSformElement_valueWithUnit : Units configuration data are missing for the attribute %{attr}.")
);
?>