PHP 5 CLASSE CALENDRIER QUI RENVOIE LA DATE CLIQUÉE DANS 1 ÉLÉMENT HTML CHOISI

<?php

define ('MSG_WRONG_STYLE_TYPE','Style non paramètrable');

/**
* class myIterator  implements Iterator,Countable,Seekableiterator,ArrayAccess
*/
class myIterator  implements Iterator,Countable,Seekableiterator,ArrayAccess
{
  /**
  * property protected array $oItems:
  *
  * desc: tableau d'éléments .
  */
  protected $oItems=null;
  
  /**
  * property protected int $ipos
  *
  * desc: indice itérative de Position relative
  */
  protected $iPos=0;
  
  /**
  * property protected int $iMin
  *
  * desc: indice minimale de bornage
  */
  protected $iMin=0;
  
  /**
  * property protected int $iLimit
  *
  * desc: nombre limite d'occurences bornées
  */
  protected $iLimit;
  
  /**
  * property int  $iOffset
  *
  * desc: Indice itérative de Position absolue
  */
  protected $iOffset=0;
  
  /**
  * public function constructor
  *  
  * param int $iMin
  * param int $iLimit
  */  
  public function __construct($iMin,$iLimit)
  {
    $this->oItems=array();
    $this->iLimit=$iLimit;
    $this->iMin=$iMin;
  }
  
  /**
  * public function add
  *
  * desc: empile le tableau passé en paramètres sur la pile existante statique
  *
  * param int $iMin
  * param int $iLimit
  */  
  public function add($array)
  {
    $this->oItems[]=$array;
  }
  
  /**
  * public function setLimit
  *
  * desc: Définit un bornage $it => indice de départ , $l => longueur de la plage en occurences
  * 
  * param int $it 
  * param int $l 
  */  
  public function setLimit($it,$l)
  {
    if (is_int($it)&&is_int($l))
    {
      if ($l>0)
      {
        $this->iMin=$it;
        $this->iLimit=$l;
        $this->iOffset=$it;
      }
    }
  }
  
  /**
  * public function current 
  * 
  * desc: Methode itérative interface iterator 
  */
  public function current()
  {
    if ($this->valid())
      return current($this->oItems);
  }
  
  /**
  * public function valid 
  * 
  * desc: Methode itérative interface iterator 
  */
  public function valid()
  {
    return ( $this->iOffset >= $this->iMin && $this->iPos < ($this->iLimit) ) ;
    
  }
  
  /**
  * public function next 
  * 
  * desc: Methode itérative interface iterator 
  */
  public function next()
  {
    $this->iPos++;
    $this->iOffset++;      
    return next($this->oItems);
    
  }
  
  /**
  * public function key 
  * 
  * desc: Methode itérative interface iterator 
  */
  public function key()
  {
    if ($this->valid())
      return key($this->oItems);
  }
  
  /**
  * public function rewind 
  * 
  * desc: Methode itérative interface iterator 
  */
  public function rewind()
  {
    reset ($this->oItems);
    $position = 0;
    while($position < $this->iMin) 
    {
      next($this->oItems);
      $position++;
    }
    $this->iPos=0;
    $this->iOffset=$this->iMin;
    if (!$this->valid()) 
      throw new Exception('Invalid seek position');
    
  }
  
  /**
  * public function count 
  * 
  * desc: Methode de comptage interface countable 
  */
  public function count()
  {
    return count($this->oItems);
  }
  
  /**
  * public function seek 
  * 
  * desc: Methode itérative interface seekableIterator 
  */
  public function seek($index)
  {
    $this->rewind();
    $position = $this->iMin;
    while($position < $index && $this->valid()) 
    {
      $this->next();
      $position++;
    }
    if (!$this->valid()) 
    {
      throw new Exception('Invalid seek position');
    }
  }
  
  /**
  * public function OffsetExists 
  *
  * desc: Methode d' acces aux tableaux, interface arrayAccess 
  *
  * param $iOffset int 
  */
  public function OffsetExists($iOffset)
  {
    if ($iOffset < $this->iLimit && $iOffset >= $this->iMin)
      return true;
    else return false;
  }
  
  /**
  * public function OffsetGet 
  * 
  * desc: Methode itérative interface arrayAccess 
  */
  public function OffsetGet($iOffset)
  {
    if ($this->OffsetExists($iOffset))
      return $this->oItems[$iOffset];
  }
  
  /**
  * public function OffsetSet 
  * desc: Methode itérative interface arrayAccess 
  */
  public function OffsetSet($iOffset,$val)
  {
    
  }
  
  public function OffsetUnset($iOffset)
  {
    
  }
  
}


/**
* class monthIterator extends myIterator
*/
class monthIterator extends myIterator
{
  /**
  * property int $startmonth 
  * indice minimale du bornage au mois 
  */
  private $startmonth;
  
  /**
  * property int $startyear 
  * indice minimale du bornage à l'année 
  */
  private $startyear;
  
  /**
  * property int $iM 
  * indice de position du mois 
  */
  private $iM;
  
  /**
  * property int $iM 
  * indice de position de l'année 
  */
  private $iY;
 
  /**
  * public function __construct
  * Constructeur.
  * 
  * @param string $start au format mm/yyyy  
  * @param int $period en mois
  */
  public function __construct($start,$period=100)
  {
    if (substr($start,2,1)!=='/')
      throw new Exception('Paramètre Invalide pour constructeur format mm/yyyy');
    
    $expl=explode('/',$start);
    
    if( ((int)$expl[0]) <= 12 && ((int)$expl[0]) > 0 )
      $this->startmonth=(int)$expl[0];
    else throw new Exception('Format du mois invalide') ;
    
    if ( ((int)$expl[1]) >= 1000 && ((int)$expl[1]) < 9999 )
      $this->startyear=(int)$expl[1];
    else throw new Exception('Format année invalide');
    
    parent::__construct(0,$period);
  }
  
  /**
  * public function 
  * 
  * desc: Getter
  * param: mixed $prop 
  * return object
  */
  public function __get ($prop)
  {
    if (isset($this->$prop))
    return $this->$prop;
  }
  
  /**
  * public Function nextM 
  *
  * desc: positionne les indices iM et iY (mois et année) de l'iterateur.   
  */
  public function NextM()
  {
    if( $this->iM < 12)
    {
      $this->iM++;
    }
    else
    {
      $this->iM = 1;
      $this->iY++;
    }
  }
  
  /**
  * public Function next 
  *
  * desc: methode iterative.   
  */
  public function next()
  {
    parent::next();
    $this->NextM();
  }
  
  /**
  * public Function rewind 
  *
  * desc: methode iterative.   
  */
  public function rewind()
  {
    parent::rewind();
    $this->iM = $this->startmonth;
    $this->iY = $this->startyear;
  }
}

/**
* Class calendar
*/
class calendar 
{
  /**
  * property $monthIterator
  * object monthIterator
  */
  private $monthIterator;
  
  /**
  * function Constructor
  * 
  * param string $start format 'mm/yyyy'
  * param int $period  
  *
  */
  public function __construct ($start,$period)
  {
    $this->monthIterator=new monthIterator($start,$period);
    $i=$this->monthIterator->iMin;
    $this->monthIterator->rewind();
    while ( $i < $this->monthIterator->iLimit)
    { 
      $this->monthIterator->add(self::createmonth($this->monthIterator->iM,$this->monthIterator->iY));
      $this->monthIterator->NextM();
      $i++;
    }
  }
  
  /**
  * Function 
  * desc: Getter
  * param: mixed $prop
  * return: property object 
  */
  public function __get($prop)
  {
    if (isset($this->$prop))
      return $this->$prop;
    else return false;
  }
  
  /**
  * function getCurrentMonth
  * 
  * desc:renvoit le mois et l'année en cours
  * 
  * return string format ('mm/yyyy') 
  */
  public function getCurrentMonth()
  {
    return (($this->monthIterator->iM<10)?'0'.$this->monthIterator->iM.'/'.$this->monthIterator->iY:$this->monthIterator->iM.'/'.$this->monthIterator->iY);
  }
  
  public function getNextM($mode)
  {
    switch ($mode)
    { 
      case 'M':
        return(date('m',mktime(0, 0, 0, $this->monthIterator->iM+1, 1, $this->monthIterator->iY)));
        break;
      case 'Y':
        return(date('Y',mktime(0, 0, 0, $this->monthIterator->iM+1, 1, $this->monthIterator->iY)));
        break;
    }
  }
  
  public function getPrevM($mode)
  {
    switch ($mode)
    { 
      case 'M':
        return (date('m',mktime(0, 0, 0, $this->monthIterator->iM-1, 1, $this->monthIterator->iY)));
        break;
      case 'Y':
        return(date('Y',mktime(0, 0, 0, $this->monthIterator->iM-1, 1, $this->monthIterator->iY)));
        break;
    }
  }
  /**
  * Static function
  * 
  * desc: Methode de fabrication de calendrier de type tableau au mois
  * 
  * param int $month
  * param int $year
  * return array
  */
  public static function createmonth($month,$year)
  {
    // jour de la semaine du premier du mois
    $fom = date ("w",mktime(0, 0, 0, $month, 1, $year));
    $day=1;
    $start=false;
    //combien de jours dans le mois?
    $max=date('t',mktime(0, 0, 0, $month, 1, $year));
    //formatage en chaine
    if ($month < 10)
      $month = '0'.$month;
    //init
    $d=0 ;
    //Le calendrier va occuper 6 lignes(semaines) de 7 colonnes(jours) pour le mois au maximum
    for ( $i=0 ; $i < 6 ; $i++ ) 
    {
      for ( $j=0 ; $j < 7 ;$j++ ) 
      {
        //début du comptage au 1er du mois pour la premiere semaine
        if ($i==0) 
        {
          if ($fom == $d)
          {
            $start=true;
            $day=1;
          }
        }
        if ($day < $max+1) 
        {
          if ($start ===true)
          {
            if ($day<10)
              $cal[$j][]='0'.$day;
            else 
              $cal[$j][]=$day;
            $day++;
          }
          else
            $cal[$j][]='';
        }
        else 
          $cal[$j][]='';
        $d++;
      }
    }
    return $cal;    
  }
}

/**
* class htmlCalendar extends calendar
*/
class htmlCalendar extends calendar
{
  /**
  * private property string domTextBoxId
  * 
  * desc : l'id de la text box
  */
  private $domTextBoxId;
  
  /**
  * proprerty array settable
  * 
  * desc : les propriétés modifiables
  */
  private $settable=array('cssHeader',
                          'cssSunday',
                          'cssWeekday',
                          'cssToday',
                          'cssLink',
                          'cssFooter',
                          'MonthByMonth',
                          'tdWidth',
                          'tdHeight',
                          'target');
  /**
  * proprerty array style
  * 
  * desc: le tableau des propriétés de style 
  */
  private $style=array();
  
  /**
  * proprerty string html
  * 
  * desc: la chaine html stockant le calendrier au format html 
  */
  private $html;
  
  /**
  * public function __set 
  * 
  * desc: Setter
  * 
  * param:string $type
  * param string $strVal
  */
  public function __set($type,$strVal)
  {
    if (in_array($type,$this->settable))
    {
      $this->style[$type]=$strVal;
    }
    else throw new Exception (MSG_WRONG_STYLE_TYPE);
  }
  
  /**
  * public function __construct
  * 
  * desc: Initialisation et constrcution des objets parents
  */
  public function __construct($boxId=null,$month=null,$year=null,$period=1)
  {
    $this->domTextBoxId=$boxId;
    $this->MonthByMonth=false;
    $m=isset($month)?(int)$month:(int)date('m');
    $y=isset($year)?(int)$year:(int)date('Y');
    if ($m<10)
      $m='0'.$m;
    parent::__construct($m.'/'.$y,$period);
   }
  
  /**
  * public function __get 
  * 
  * desc: Getter
  * 
  * param: mixed $prop
  * return: mixed value 
  */
  public function __get($prop)
  {
    if (parent::__get($prop))
      return parent::__get($prop);
    if (array_key_exists($prop,$this->style))
      return $this->style[$prop];
  }
  
  /**
  * public function getHtml 
  * 
  * desc: Construit et récupére le tableau en chaine html
  * 
  * return: string  
  */
  public function getHtml()
  {
    $tdW=$this->tdWidth;
    $tdH=$this->tdHeight;
    $this->html='';
    
    
    //Le calendrier va occuper 5 lignes(semaines) de 7 colonnes(jours) pour le mois au maximum
    foreach ($this->monthIterator as $key=>$month)
    { 
      $MONTH=date('M',mktime(0, 0, 0, $this->monthIterator->iM, 1, $this->monthIterator->iY));
      if ($this->MonthByMonth!==false)
      {
        $prevm=$this->getPrevM('M');
        $prevy=$this->getPrevM('Y');
        $nextm=$this->getNextM('M');
        $nexty=$this->getNextM('Y');
        $chooseMonth='<a class="'.$this->cssLink.'" href="?month='.$prevm.'&year='.$prevy.'">  <<  </a> '.$MONTH.'  '.$this->monthIterator->iY.' <a class="'.$this->cssLink.'" href="?month='.$nextm.'&year='.$nexty.'&box='.$this->domTextBoxId.'">  >>  </a>';
      }
      else $chooseMonth=' '.$MONTH.'  '.$this->monthIterator->iY.' ';
      $this->html.= '
      <table border="0" cellpadding="0" cellspacing="0" >
      <!--DWLayoutTable-->
      <tr>
        <td width="'.$tdW.'" height="'.$tdH.'" valign="middle" align="center" class="'.$this->cssHeader.'">D</td>
        <td width="'.$tdW.'" valign="middle" align="center" class="'.$this->cssHeader.'">L</td>
        <td width="'.$tdW.'" valign="middle" align="center" class="'.$this->cssHeader.'">M</td>
        <td width="'.$tdW.'" valign="middle" align="center" class="'.$this->cssHeader.'">M</td>
        <td width="'.$tdW.'" valign="middle" align="center" class="'.$this->cssHeader.'">J</td>
        <td width="'.$tdW.'" valign="middle" align="center" class="'.$this->cssHeader.'">V</td>
        <td width="'.$tdW.'" valign="middle" align="center" class="'.$this->cssHeader.'">S</td>
      </tr>';
        for ($j=0;$j<6;$j++)
        {
          $this->html.='<tr>';
          for ($k=0;$k<7;$k++)  
          {
            $class=$this->cssWeekday;
            $title ='click to select in the box';
            if ($k==0)
              $class=$this->cssSunday;
      
            if ( ($month[$k][$j] == (int)date('d')) and ($this->monthIterator->iM== (int)date('m')) and ($this->monthIterator->iY == (int)date('Y')) )
            { 
              $class = $this->cssToday;
            }
            
            if ($this->target=='opener')
              $close='self.close();';
            else $close='';
            
            if ($this->monthIterator->iM < 10)
              $mth='0'.$this->monthIterator->iM;
            else $mth=$this->monthIterator->iM;
              
            if($month[$k][$j]!='')
              $this->html.= '<td width="'.$tdW.'" height="'.$tdH.'" valign="middle" align="center" class="'.$class.'"><a href = "#" class="'.$this->cssLink.'" onclick="'.$this->target.'.document.getElementById(\''.$this->domTextBoxId.'\').value=\''.$month[$k][$j].'/'.$mth.'/'.$this->monthIterator->iY.'\';'.$close.' " '.$title.'>'.(int)$month[$k][$j].'</td>';
            else 
              $this->html.= '<td width="'.$tdW.'" height="'.$tdH.'" valign="middle" align="center" class="'.$class.'"><a href = "#" class="'.$this->cssLink.'" onclick="'.$this->target.'.document.getElementById(\''.$this->domTextBoxId.'\').value=\''.$month[$k][$j].'/'.$mth.'/'.$this->monthIterator->iY.'\';'.$close.' " '.$title.'>'.$month[$k][$j].'</td>';
          }
          $this->html.= '</tr>';
        }
        $this->html.= '</tr></table><table border="0" cellpadding="0" cellspacing="0" ><tr><td class="'.$this->cssFooter.'">'.$chooseMonth.'</td></tr></table>';
      }
      return $this->html;
   }
}

?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/    TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>calendrier</title>
<style>
td.formtdcalendar {
  
  font-family: verdana;
  font-size: 11px;
  font-style:normal;
  font-weight:100;
  color: #330099;
  background-color: #FFFFFF;
}

td.cal_dimanche { 

    font-family: verdana; 
    font-size: 11px; 
    text-transform: lowercase; 
    color: red; 
    text-decoration: none; 
    text-align: center; 
    vertical-align: middle; 
    background: yellow; 
} 
td.formtdtoday {
  font-family:Geneva, Arial, Helvetica, sans-serif;
  font-size: 11px;
  font-style:normal;
  font-weight:bold;
  text-align:center;
  color: #FF0000;
  background-color: #A60001;
  background-image:url(./ricerca_box3.gif);
}
td.footer {
  font-family: verdana; 
    font-size: 11px; 
    text-transform: lowercase; 
    color: #330099; 
    text-decoration: none; 
    text-align: center; 
    vertical-align: middle; 
    background: #FFFFFF; 
}
td.date_today { 
    font-family: verdana; 
    font-size: 11px; 
    text-transform: lowercase; 
    color: #FFFFFF; 
    text-decoration: none; 
    text-align: center; 
    vertical-align: middle; 
    background: #FF0000; 
} 
td.headertd {
  font-family: Arial;
  font-size: 11px;
  font-weight: bold;
  color: #F5F5F5;
  background-color: #003366;
  font-style: italic;
  text-decoration: blink;
  border-top-width: 1px;
  border-right-width: 1px;
  border-bottom-width: 1px;
  border-left-width: 1px;
  border-top-style: solid;
  border-right-style: solid;
  border-bottom-style: solid;
  border-left-style: solid;
  border-color:  #363636 #F5F5F5 #F5F5F5 #363636 ;
  background-image:url(header.gif);
}
a.fld:hover {
  text-decoration:none;
  color:#633363;
  font-style: italic;
}
a.fld:link {
  text-decoration:none;
  color:#633363;
  font-style: italic;
}
a.fld:visited {
  text-decoration:none;
  color:#633363;
  font-style: italic;
}
a.fld:active {
  text-decoration:none;
  color:#633363;
  font-style: italic;
} 
</style>
</head>
<body>
<input type="text" id="box" value=""/>
<?php
$calendar = isset($_GET['month'])?new htmlCalendar('box',$_GET['month'],$_GET['year']):new htmlCalendar('box');
$calendar->cssHeader='headertd';
$calendar->cssWeekday='formtdcalendar';
$calendar->cssSunday='cal_dimanche';
$calendar->cssToday='date_today';
$calendar->cssLink='fld';
$calendar->cssFooter='footer';
$calendar->tdWidth='20';
$calendar->target='window';
echo $calendar->getHtml();
?>
</body>
</html>