<?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
  **/
  public function getUnits() {
    $units = $this -> getParam('html_options.units');
    if (is_array($units)) {
      if ($this -> getParam('html_options.translate_labels', true)) {
        foreach($units as $sill => $label) {
          $units[$sill] = __($label);
        }
      }
      krsort($units);
      return $units;
    }
    LSerror :: addErrorCode('LSformElement_valueWithUnit_01', $this -> name);
    return;
  }

 /**
  * Return formatted number
  *
  * This method return take a number as paremeter and
  * return it after formatting.
  *
  * @param[in] int|float $number The number
  *
  * @retbal string Formatted number
  */
  public function formatNumber($number) {
    if ((int)$number==$number) return $number;
    return number_format($number,
      $this -> getParam('html_options.nb_decimals', 2, 'int'),
      $this -> getParam('html_options.dec_point', ',', 'string'),
      $this -> getParam('html_options.thousands_sep', ' ', 'string')
    );
  }

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

    $values_and_units=array();
    $units=$this -> getUnits();

    if ($units) {
      foreach ($this -> values as $value) {
        if (preg_match('/^([0-9]*)$/',$value,$regs)) {
          $infos = array(
            'value' => $regs[1]
          );
          foreach($units as $sill => $label) {
            if ($infos['value'] >= $sill) {
              $infos['valueWithUnit']=$this -> formatNumber($infos['value']/$sill);
              $infos['unitSill']=$sill;
              $infos['unitLabel']=$label;
              break;
            }
          }
          $values_and_units[$value] = $infos;
        }
        else {
          $values_and_units[$value] = array(
            'unknown' => _('Incorrect value')
          );
        }
      }
    }

    LStemplate :: 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.
  */
  public 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[in] &$return array Reference of the array for retreived values
   * @param[in] $onlyIfPresent boolean If true and data of this element is not present in POST data,
   *                                   just ignore it.
   *
   * @retval boolean true si la valeur est présente en POST, false sinon
   */
  public function getPostData(&$return, $onlyIfPresent=false) {
    if($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'][$key];
	  }
	  if ($this -> getParam('html_options.store_integer')) {
           if ($this -> getParam('html_options.round_down')) {
              $return[$this -> name][$key] = floor($val*$f);
	    }
	    else {
              $return[$this -> name][$key] = ceil($val*$f);
	    }
	  }
	  else {
            $return[$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}.")
);