<?php
/*------------------------------*/
/*
Titre : Classe permettant de gérer des formulaires
Date édition : 18 Sept 2011
Date mise a jour : 18 Aout 2019
Rapport de la maj:
- fonctionnement du code vérifié
*/
/*------------------------------*/
class form {
// propriétés privées : tous les éléments et attributs
// utilisables
// (certaines valeurs sont entrées par défaut)
private $eventArr = array ('onfocus' => '',
'onblur' => '',
'onselect' => '',
'onchange' => '',
'onclick' => '',
'ondblclick' => '',
'onmousedown' => '',
'onmouseup' => '',
'onmouseover' => '',
'onmousemove' => '',
'onmouseout' => '',
'onkeypress' => '',
'onkeydown' => '',
'onkeyup' => '');
private $commonArr = array ('id' => '',
'class' => '',
'title' => '',
'style' => '',
'dir' => '',
'lang' => '',
'xml:lang' => '');
private $formArr = array (
'method' => 'post',
'action' => '',
'id' => 'mainForm',
'enctype' => 'application/x-www-form-urlencoded',
'accept' => '',
'onsubmit' => '',
'onreset' => '',
'accept-charset' => 'unknown',
'style' => ''
);
private $inputArr = array ('text' => array ('value' => '',
'name' => '',
'alt' => '',
'tabindex' => '',
'accesskey' => '',
'readonly' => '',
'disabled' => '',
'width' => '',
'maxlength' => ''),
'button' => array ('name' => '',
'value' => '',
'alt' => '',
'tabindex' => '',
'accesskey' => '',
'disabled' => ''),
'hidden' => array ('name' => '',
'value' => '',
'alt' => '',
'disabled' => ''),
'password' => array ('name' => '',
'value' => '',
'alt' => '',
'tabindex' => '',
'accesskey' => '',
'readonly' => '',
'disabled' => '',
'width' => '',
'maxlength' => ''),
'submit' => array ('name' => '',
'value' => '',
'alt' => '',
'tabindex' => '',
'accesskey' => '',
'disabled' => ''),
'checkbox' => array ('name' => '',
'value' => '',
'alt' => '',
'tabindex' => '',
'accesskey' => '',
'disabled' => '',
'checked' => ''),
'radio' => array ('name' => '',
'value' => '',
'alt' => '',
'tabindex' => '',
'accesskey' => '',
'disabled' => '',
'checked' => '',
'title' => ''),
'reset' => array ('name' => '',
'class' => '',
'value' => '',
'alt' => '',
'tabindex' => '',
'accesskey' => '',
'disabled' => '',
'title' => ''),
'file' => array ('name' => '',
'value' => '',
'alt' => '',
'tabindex' => '',
'accesskey' => '',
'disabled' => '',
'accept' => ''),
'image' => array ('name' => '',
'value' => '',
'alt' => '',
'tabindex' => '',
'accesskey' => '',
'disabled' => '',
'src' => '',
'usemap' => '',
'ismap' => '')
);
private $fieldsetArr = array ();
private $legendArr = array ();
private $labelArr = array ('for' => '');
private $textareaArr = array ('rows' => '',
'cols' => '',
'disabled' => '',
'readonly' => '',
'accesskey' => '',
'tabindex' => '',
'name' => '');
private $selectArr = array ('disabled' => '',
'multiple' => '',
'size' => '',
'name' => '');
private $optionArr = array ('disabled' => '',
'label' => '',
'selected' => '',
'value' => '');
private $optgroupArr = array ('disabled' => '');
private $formBuffer = array ();
private $formElementArr = array ();
private $formAttributeArr = array ();
//Constructeur
public function __construct () {
}
// débuter effectivement le formulaire
public function openForm ($arrArgs = array ()) {
foreach ($this -> formArr as $clef => $val) {
if (array_key_exists ($clef, $arrArgs)) {
$this -> formAttributeArr[$clef] = $arrArgs[$clef];
}
else if (!empty ($val)) {
$this -> formAttributeArr[$clef] = $val;
}
}
$this -> formBuffer['open'] = '<form ';
foreach ($this -> formAttributeArr as $clef => $val) {
$this -> formBuffer['open'] .= $clef.'="'.$val.'" ';
}
$this -> formBuffer['open'] .= '>';
}
// fermer le formulaire
public function closeForm () {
$this -> formBuffer['close'] = '</form>';
}
// ajouter un type input
public function addInput ($elem, $arrArgs = array ()) {
if (!array_key_exists ($elem, $this -> inputArr)) {
throw new Exception ($elem.' n\'est pas un élément valide');
}
if (!array_key_exists ('name', $arrArgs)
&& $elem !== 'submit'
&& $elem !== 'reset') {
$arrArgs['name'] = 'default';
}
$cpt = count ($this -> formElementArr);
$this -> formElementArr[$cpt][$elem] = array ();
$arrTemp = array_merge ($this -> eventArr, $this -> commonArr,
$this -> inputArr[$elem]);
foreach ($arrTemp as $clef => $val) {
if (array_key_exists ($clef, $arrArgs)) {
$this -> formElementArr[$cpt][$elem][$clef] = $arrArgs[$clef];
}
}
$chaineTemp = '<input type="'.$elem.'" ';
foreach ($this -> formElementArr[$cpt][$elem] as $clef => $val) {
$chaineTemp .= $clef.'="'.$val.'" ';
}
$chaineTemp .= '/>';
$this -> formBuffer['elements'][$cpt] = $chaineTemp;
}
// ouvrir un fieldset
public function openFieldset ($arrArgs = array ()) {
$cpt = count ($this -> formElementArr);
$this -> formElementArr[$cpt]['fieldset'] = array ();
$arrTemp = array_merge ($this -> eventArr, $this -> commonArr,
$this -> fieldsetArr);
foreach ($arrTemp as $clef => $val) {
if (array_key_exists ($clef, $arrArgs)) {
$this -> formElementArr[$cpt]['fieldset'][$clef] = $arrArgs[$clef];
}
}
$chaineTemp = '<fieldset ';
foreach ($this -> formElementArr[$cpt]['fieldset'] as $clef => $val) {
$chaineTemp .= $clef.'="'.$val.'" ';
}
$chaineTemp .= '>';
$this -> formBuffer['elements'][$cpt] = $chaineTemp;
}
// fermer un fieldset
public function closeFieldset () {
$cpt = count ($this -> formElementArr);
$this -> formElementArr[$cpt]['/fieldset'] = array ();
$chaineTemp = '</fieldset>';
$this -> formBuffer['elements'][$cpt] = $chaineTemp;
}
// ajouter une légende
public function addLegend ($legend, $arrArgs = array ()) {
$cpt = count ($this -> formElementArr);
$this -> formElementArr[$cpt]['legend']['innerHTML'] = $legend;
$arrTemp = array_merge ($this -> eventArr, $this -> commonArr,
$this -> legendArr);
foreach ($arrTemp as $clef => $val) {
if (array_key_exists ($clef, $arrArgs)) {
$this -> formElementArr[$cpt]['legend'][$clef] = $arrArgs[$clef];
}
}
$chaineTemp = '<legend ';
foreach ($this -> formElementArr[$cpt]['legend'] as $clef => $val) {
if ($clef !== 'innerHTML') {
$chaineTemp .= $clef.'="'.$val.'" ';
}
}
$chaineTemp .= '>'.$legend.'</legend>';
$this -> formBuffer['elements'][$cpt] = $chaineTemp;
}
// ouvrir une balise p
public function openP ($arrArgs = array ()) {
$cpt = count ($this -> formElementArr);
$this -> formElementArr[$cpt]['p'] = array ();
$arrTemp = array_merge ($this -> eventArr, $this -> commonArr,
$this -> pArr);
foreach ($arrTemp as $clef => $val) {
if (array_key_exists ($clef, $arrArgs)) {
$this -> formElementArr[$cpt]['p'][$clef] = $arrArgs[$clef];
}
}
$chaineTemp = '<p ';
foreach ($this -> formElementArr[$cpt]['p'] as $clef => $val) {
$chaineTemp .= $clef.'="'.$val.'" ';
}
$chaineTemp .= '>';
$this -> formBuffer['elements'][$cpt] = $chaineTemp;
}
// fermer une balise p
public function closeP () {
$cpt = count ($this -> formElementArr);
$this -> formElementArr[$cpt]['/p'] = array ();
$chaineTemp = '</p>';
$this -> formBuffer['elements'][$cpt] = $chaineTemp;
}
// ajouter un label
public function addLabel ($label, $arrArgs = array ()) {
$cpt = count ($this -> formElementArr);
$this -> formElementArr[$cpt]['label']['innerHTML'] = $label;
$arrTemp = array_merge ($this -> eventArr, $this -> commonArr,
$this -> labelArr);
foreach ($arrTemp as $clef => $val) {
if (array_key_exists ($clef, $arrArgs)) {
$this -> formElementArr[$cpt]['label'][$clef] = $arrArgs[$clef];
}
}
$chaineTemp = '<label ';
foreach ($this -> formElementArr[$cpt]['label'] as $clef => $val) {
if ($clef !== 'innerHTML') {
$chaineTemp .= $clef.'="'.$val.'" ';
}
}
$chaineTemp .= '>'.$label.'</label>';
$this -> formBuffer['elements'][$cpt] = $chaineTemp;
}
// ajouter un textarea
public function addTextarea ($txt, $arrArgs = array ()) {
$cpt = count ($this -> formElementArr);
$this -> formElementArr[$cpt]['textarea']['innerHTML'] = $txt;
$arrTemp = array_merge ($this -> eventArr, $this -> commonArr,
$this -> textareaArr);
foreach ($arrTemp as $clef => $val) {
if (array_key_exists ($clef, $arrArgs)) {
$this -> formElementArr[$cpt]['textarea'][$clef] = $arrArgs[$clef];
}
}
$chaineTemp = '<textarea ';
foreach ($this -> formElementArr[$cpt]['textarea'] as $clef => $val) {
if ($clef !== 'innerHTML') {
$chaineTemp .= $clef.'="'.$val.'" ';
}
}
$chaineTemp .= '>'.$txt.'</textarea>';
$this -> formBuffer['elements'][$cpt] = $chaineTemp;
}
// ouvrir un select
public function openSelect ($arrArgs = array ()) {
$cpt = count ($this -> formElementArr);
$this -> formElementArr[$cpt]['select'] = array ();
$arrTemp = array_merge ($this -> eventArr, $this -> commonArr,
$this -> selectArr);
foreach ($arrTemp as $clef => $val) {
if (array_key_exists ($clef, $arrArgs)) {
$this -> formElementArr[$cpt]['select'][$clef] = $arrArgs[$clef];
}
}
$chaineTemp = '<select ';
foreach ($this -> formElementArr[$cpt]['select'] as $clef => $val) {
$chaineTemp .= $clef.'="'.$val.'" ';
}
$chaineTemp .= '>';
$this -> formBuffer['elements'][$cpt] = $chaineTemp;
}
// fermer un select
public function closeSelect () {
$cpt = count ($this -> formElementArr);
$this -> formElementArr[$cpt]['/select'] = array ();
$chaineTemp = '</select>';
$this -> formBuffer['elements'][$cpt] = $chaineTemp;
}
// ajouter une option
public function addOption ($txt, $arrArgs = array ()) {
$cpt = count ($this -> formElementArr);
$this -> formElementArr[$cpt]['option']['innerHTML'] = $txt;
$arrTemp = array_merge ($this -> eventArr, $this -> commonArr,
$this -> optionArr);
foreach ($arrTemp as $clef => $val) {
if (array_key_exists ($clef, $arrArgs)) {
$this -> formElementArr[$cpt]['option'][$clef] = $arrArgs[$clef];
}
}
$chaineTemp = '<option ';
foreach ($this -> formElementArr[$cpt]['option'] as $clef => $val) {
if ($clef !== 'innerHTML') {
$chaineTemp .= $clef.'="'.$val.'" ';
}
}
$chaineTemp .= '>'.$txt.'</option>';
$this -> formBuffer['elements'][$cpt] = $chaineTemp;
}
// ouvrir un optgroup
public function openOptgroup ($label, $arrArgs = array ()) {
$cpt = count ($this -> formElementArr);
$this -> formElementArr[$cpt]['optgroup']['label'] = $label;
$arrTemp = array_merge ($this -> eventArr, $this -> commonArr,
$this -> optgroupArr);
foreach ($arrTemp as $clef => $val) {
if (array_key_exists ($clef, $arrArgs)) {
$this -> formElementArr[$cpt]['select'][$clef] = $arrArgs[$clef];
}
}
$chaineTemp = '<optgroup ';
foreach ($this -> formElementArr[$cpt]['optgroup'] as $clef => $val) {
$chaineTemp .= $clef.'="'.$val.'" ';
}
$chaineTemp .= '>';
$this -> formBuffer['elements'][$cpt] = $chaineTemp;
}
// fermer un optgroup
public function closeOptgroup () {
$cpt = count ($this -> formElementArr);
$this -> formElementArr[$cpt]['/optgroup'] = array ();
$chaineTemp = '</optgroup>';
$this -> formBuffer['elements'][$cpt] = $chaineTemp;
}
// ajouter n'importe quoi
public function addAnything ($any) {
$cpt = count ($this -> formElementArr);
$this -> formBuffer['anything'][$cpt] = $any;
}
// méthode magique utilisée pour afficher effectivement le formulaire
// défini
public function __toString () {
$chaineTemp = $this -> formBuffer['open'];
foreach ($this -> formBuffer['elements'] as $clef => $val) {
if (isset ($this -> formBuffer['anything'][$clef])) {
$chaineTemp .= $this -> formBuffer['anything'][$clef];
}
$chaineTemp .= $val;
}
$chaineTemp .= $this -> formBuffer['close'];
return $chaineTemp;
}
// méthode pour libérer les ressources et créer un nouveau formulaire
// (tout formulaire réé auparavant et non affiché sera perdu)
public function freeForm () {
$this -> formBuffer = array ();
$this -> formElementArr = array ();
$this -> formAttributeArr = array ();
}
// destructeur (en attendant mieux...)
public function __destruct () {
unset ($this);
}
/***************************
***METHODS FOR DEBUGGING***
***************************/
// méthode affichant tous les éléments que contient le formulaire
public function showElems () {
$chaineTemp = '';
foreach ($this -> formElementArr as $clef => $val) {
foreach ($val as $elem => $attrArr) {
if (strpos ($elem, '/') !== false) {
$chaineTemp .= '<ul><li style="color: blue;">
end '.substr ($elem, 1, strlen ($elem)).'
</li></ul>';
}
else {
$chaineTemp .= '<ul><li style="color: blue;">'.$elem.'</li><ul>';
foreach ($attrArr as $attr => $value) {
$chaineTemp .= '<li style="color: red;">
'.$attr.' =
<span style="color: green; font-style: italic;">
'.$value.'</span></li>';
}
$chaineTemp .= '</ul></ul>';
}
}
}
return $chaineTemp;
}
// méthode coomptant les éléments que contient le formulaire :
// total global, et total par élément
public function countElems () {
foreach ($this -> formElementArr as $clef => $val) {
foreach ($val as $elem => $attrArr) {
if (strpos ($elem, '/') === false) {
$arrTemp[] = $elem;
}
}
}
$cptElem = count ($arrTemp);
$arrEachElem = array_count_values ($arrTemp);
$chaineTemp = '<span style="color: black; font-weight: bold;">
Total éléments : <span style="color: red;">
'.$cptElem.'</span><br />dont : </span><br />';
ksort ($arrEachElem, SORT_STRING);
foreach ($arrEachElem as $elem => $nbr) {
$chaineTemp .= '<span style="color: blue; margin-left: 20px;">
'.$elem.' : </span><span style="color: red;">
'.$nbr.'</span><br />';
}
return $chaineTemp;
}
}
// on instancie notre objet
$form = new form ();
// on crée un 1er formulaire
$form -> openForm
(array ('action' => '?', 'id' => 'MyForm'));
$form -> openFieldset
(array ('style' => 'border:1px dotted red; width: 300px;'));
$form -> addLegend
('test');
$form -> addInput
('text', array ('id' => 'MyText', 'value' => 'ok', 'test'=>'test'));
$form -> addLabel
('label', array ('for' => 'MyText', 'style' => 'margin: 5px;'));
$form -> addAnything
('<br /><br />');
$form -> addInput
('button',array('id' =>'MyButton','value'=>'click!','test'=>'test'));
$form -> closeFieldset ();
$form -> closeForm ();
echo '<div style="border:1px solid darkgrey;text-align:center;width:310px;">';
// on l'affiche
echo $form;
echo '</div>';
// on compte et affiche ses éléments (debugging only)
echo $form -> showElems ();
echo $form -> countElems ();
// on libère les ressources pour pouvoir créer un 2d formulaire
$form -> freeForm ();
// on réinitialise un nouveau formulaire
// on ouvre effectivement le nouveau formulaire
$form -> openForm
(array ('action' => '?', 'id' => 'MyForm2'));
$form -> openFieldset
(array ('style' => 'border:1px dotted blue; width: 300px;'));
$form -> addLegend ('test 2');
$form -> addInput
('text',array ('id' => 'MyText2','value' => 'yep','test' =>'test'));
$form -> addInput
('checkbox', array ('id' => 'MyCheck','value'=>'1','test'=>'test'));
$form -> addLabel ('Checkbox', array ('for' => 'MyCheck'));
$form -> addTextarea ('mon texte', array ('cols' => 20, 'rows' => 10));
$form -> openSelect ();
$form -> openOptgroup ('label options 1');
$form -> addOption ('1');
$form -> closeOptgroup ();
$form -> openOptgroup ('label options 2');
$form -> addOption ('2');
$form -> addOption ('2_2');
$form -> closeOptgroup ();
$form -> closeSelect ();
$form -> closeFieldset ();
$form -> closeForm ();
echo '<div style="border:1px solid orange;text-align:center; width:310px;">';
echo $form;
echo '</div>';
echo $form -> showElems ();
echo $form -> countElems ();
$form -> freeForm ();
?>
Administrateur
02 Août 2019 à 17:49Lorsque la classe est utilisée avec PHP 7+, supprimer la méthode __destruct () devrait résoudre le problème.
Invité
02 Août 2019 à 15:26bonjour j ai ce code d'erreur Fatal error: Cannot unset $this in /var/www/html/test/index.php on line 401
Aroybase
21 Jan 2011 à 15:36Je n'ai pas testé, mais ça m'a l'air fichtrement sympatique !