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