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<?php
namespace dokuwiki\Form;
/**
* Class LegacyForm
*
* Provides a compatibility layer to the old Doku_Form API
*
* This can be used to work with the modern API on forms provided by old events for
* example. When you start new forms, just use Form\Form
*
* @package dokuwiki\Form
*/
class LegacyForm extends Form {
/**
* Creates a new modern form from an old legacy Doku_Form
*
* @param \Doku_Form $oldform
*/
public function __construct(\Doku_Form $oldform) {
parent::__construct($oldform->params);
$this->hidden = $oldform->_hidden;
foreach($oldform->_content as $element) {
list($ctl, $attr) = $this->parseLegacyAttr($element);
if(is_array($element)) {
switch($ctl['elem']) {
case 'wikitext':
$this->addTextarea('wikitext')
->attrs($attr)
->id('wiki__text')
->val($ctl['text'])
->addClass($ctl['class']);
break;
case 'textfield':
$this->addTextInput($ctl['name'], $ctl['text'])
->attrs($attr)
->id($ctl['id'])
->addClass($ctl['class']);
break;
case 'passwordfield':
$this->addPasswordInput($ctl['name'], $ctl['text'])
->attrs($attr)
->id($ctl['id'])
->addClass($ctl['class']);
break;
case 'checkboxfield':
$this->addCheckbox($ctl['name'], $ctl['text'])
->attrs($attr)
->id($ctl['id'])
->addClass($ctl['class']);
break;
case 'radiofield':
$this->addRadioButton($ctl['name'], $ctl['text'])
->attrs($attr)
->id($ctl['id'])
->addClass($ctl['class']);
break;
case 'tag':
$this->addTag($ctl['tag'])
->attrs($attr)
->attr('name', $ctl['name'])
->id($ctl['id'])
->addClass($ctl['class']);
break;
case 'opentag':
$this->addTagOpen($ctl['tag'])
->attrs($attr)
->attr('name', $ctl['name'])
->id($ctl['id'])
->addClass($ctl['class']);
break;
case 'closetag':
$this->addTagClose($ctl['tag']);
break;
case 'openfieldset':
$this->addFieldsetOpen($ctl['legend'])
->attrs($attr)
->attr('name', $ctl['name'])
->id($ctl['id'])
->addClass($ctl['class']);
break;
case 'closefieldset':
$this->addFieldsetClose();
break;
case 'button':
case 'field':
case 'fieldright':
case 'filefield':
case 'menufield':
case 'listboxfield':
throw new \UnexpectedValueException('Unsupported legacy field ' . $ctl['elem']);
break;
default:
throw new \UnexpectedValueException('Unknown legacy field ' . $ctl['elem']);
}
} else {
$this->addHTML($element);
}
}
}
/**
* Parses out what is the elements attributes and what is control info
*
* @param array $legacy
* @return array
*/
protected function parseLegacyAttr($legacy) {
$attributes = array();
$control = array();
foreach($legacy as $key => $val) {
if($key{0} == '_') {
$control[substr($key, 1)] = $val;
} elseif($key == 'name') {
$control[$key] = $val;
} elseif($key == 'id') {
$control[$key] = $val;
} else {
$attributes[$key] = $val;
}
}
return array($control, $attributes);
}
/**
* Translates our types to the legacy types
*
* @param string $type
* @return string
*/
protected function legacyType($type) {
static $types = array(
'text' => 'textfield',
'password' => 'passwordfield',
'checkbox' => 'checkboxfield',
'radio' => 'radiofield',
'tagopen' => 'opentag',
'tagclose' => 'closetag',
'fieldsetopen' => 'openfieldset',
'fieldsetclose' => 'closefieldset',
);
if(isset($types[$type])) return $types[$type];
return $type;
}
/**
* Creates an old legacy form from this modern form's data
*
* @return \Doku_Form
*/
public function toLegacy() {
$this->balanceFieldsets();
$legacy = new \Doku_Form($this->attrs());
$legacy->_hidden = $this->hidden;
foreach($this->elements as $element) {
if(is_a($element, 'dokuwiki\Form\HTMLElement')) {
$legacy->_content[] = $element->toHTML();
} elseif(is_a($element, 'dokuwiki\Form\InputElement')) {
/** @var InputElement $element */
$data = $element->attrs();
$data['_elem'] = $this->legacyType($element->getType());
$label = $element->getLabel();
if($label) {
$data['_class'] = $label->attr('class');
}
$legacy->_content[] = $data;
}
}
return $legacy;
}
}
|
