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<?php |
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namespace Fiv\Form; |
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use Fiv\Form\Element; |
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use Fiv\Form\Element\Submit; |
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/** |
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* @method Form setAction($action); |
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* @method string|null getAction(); |
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* |
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* @author Ivan Shcherbak <[email protected]> |
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*/ |
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class Form extends Element\Html { |
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/** |
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* @var null|string |
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*/ |
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protected $uid = null; |
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/** |
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* @var boolean|null |
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*/ |
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protected $validationResult = null; |
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/** |
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* @var array|null |
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*/ |
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protected $data = null; |
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/** |
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* @var Element\BaseElement[] |
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*/ |
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protected $elements = []; |
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/** |
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* Default form attributes |
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* |
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* @var array |
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*/ |
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protected $attributes = [ |
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'method' => 'post', |
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]; |
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/** |
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* @param $name |
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* @return $this |
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*/ |
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public function setName($name) { |
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$this->uid = $name; |
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$this->attributes['name'] = $name; |
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return $this; |
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} |
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/** |
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* @return array |
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* @throws \Exception |
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*/ |
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public function getData() { |
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if (!isset($this->data)) { |
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throw new \Exception("Data does not exist!"); |
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} |
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return $this->data; |
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} |
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/** |
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* @param array|\Iterator $data |
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* @throws \Exception |
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*/ |
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public function setData($data) { |
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if ($data instanceof \Iterator) { |
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$data = iterator_to_array($data); |
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} |
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if (!is_array($data)) { |
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throw new \Exception('Data should be an array'); |
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} |
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$this->cleanValidationFlag(); |
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foreach ($this->elements as $element) { |
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$name = $element->getName(); |
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if ($element instanceof Checkbox) { |
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$data[$name] = isset($data[$name]) ? 1 : 0; |
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} elseif ($element instanceof CheckboxList) { |
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$data[$name] = isset($data[$name]) ? $data[$name] : []; |
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} |
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if (array_key_exists($name, $data)) { |
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$element->setValue($data[$name]); |
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$data[$name] = $element->getValue(); |
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} |
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} |
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$this->data = $data; |
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} |
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/** |
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* @return string |
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*/ |
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public function getMethod() { |
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if (!empty($this->attributes['method'])) { |
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return strtolower($this->attributes['method']); |
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} |
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return null; |
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} |
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/** |
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* @param string $method |
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* @return $this |
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*/ |
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public function setMethod($method) { |
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$this->attributes['method'] = $method; |
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return $this; |
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} |
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/** |
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* |
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*/ |
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protected function cleanValidationFlag() { |
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$this->validationResult = null; |
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} |
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/** |
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* Check if form is submitted and all elements are valid |
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* |
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* @return boolean |
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*/ |
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public function isValid() { |
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if ($this->validationResult !== null) { |
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return $this->validationResult; |
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} |
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if (!$this->isSubmitted()) { |
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return false; |
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} |
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$this->validationResult = true; |
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foreach ($this->elements as $element) { |
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if (!$element->validate()) { |
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$this->validationResult = false; |
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} |
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} |
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return $this->validationResult; |
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} |
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/** |
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* Check if form is submitted |
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* |
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* @return bool |
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*/ |
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public function isSubmitted() { |
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$data = $this->getData(); |
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return isset($data[$this->getUid()]); |
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} |
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/** |
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* Return unique id of form |
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* |
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* @return string |
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*/ |
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public function getUid() { |
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if (empty($this->uid)) { |
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$this->uid = md5(get_called_class()); |
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} |
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return $this->uid; |
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} |
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/** |
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* @return Element\BaseElement[] |
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*/ |
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public function getElements() { |
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return $this->elements; |
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} |
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/** |
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* @param string $name |
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* @param string|null $text |
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* @return \Fiv\Form\Element\Input |
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*/ |
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public function input($name, $text = null) { |
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$input = new Element\Input(); |
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$input->setName($name); |
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$input->setText($text); |
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$this->addElement($input); |
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return $input; |
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} |
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/** |
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* @param string $name |
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* @param string|null $text |
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* @return \Fiv\Form\Element\Input |
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*/ |
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public function password($name, $text = null) { |
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$input = new Element\Password(); |
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$input->setName($name); |
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$input->setText($text); |
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$this->addElement($input); |
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return $input; |
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} |
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/** |
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* @param string $name |
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* @param null $text |
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* @return Select |
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*/ |
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public function select($name, $text = null) { |
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$select = new Select(); |
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$select->setName($name); |
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$select->setText($text); |
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$this->addElement($select); |
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return $select; |
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} |
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/** |
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* @param $name |
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* @param string $text |
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* @return RadioList |
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*/ |
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public function radioList($name, $text = null) { |
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$radio = new RadioList(); |
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$radio->setName($name); |
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$radio->setText($text); |
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$this->addElement($radio); |
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return $radio; |
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} |
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/** |
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* @param string $name |
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* @param null $text |
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* @return TextArea |
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*/ |
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public function textarea($name, $text = null) { |
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$input = new TextArea(); |
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$input->setName($name); |
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$input->setText($text); |
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$this->addElement($input); |
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return $input; |
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} |
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/** |
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* ``` |
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* $form->hidden('key', md5($this-user->id . HASH_A); |
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* ``` |
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* @param string $name |
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* @param null $value |
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* @return \Fiv\Form\Element\Input |
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*/ |
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public function hidden($name, $value = null) { |
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$hidden = new \Fiv\Form\Element\Input(); |
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$hidden->setType('hidden'); |
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$hidden->setName($name); |
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$hidden->setValue($value); |
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$this->addElement($hidden); |
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return $hidden; |
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} |
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/** |
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* ``` |
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* $form->submit('register', 'зареєструватись'); |
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* ``` |
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* @param string $name |
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* @param null $value |
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* @return Submit |
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*/ |
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public function submit($name, $value = null) { |
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$input = new Submit(); |
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$input->setName($name); |
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$input->setValue($value); |
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$this->addElement($input); |
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return $input; |
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} |
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/** |
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* ``` |
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* $form->checkbox('subscribe', 'Підписка на новини'); |
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* ``` |
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* @param string $name |
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* @param string|null $label |
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* @return Checkbox |
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*/ |
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public function checkbox($name, $label = null) { |
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$checkbox = new Checkbox(); |
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$checkbox->setName($name); |
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$checkbox->setLabel($label); |
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$this->addElement($checkbox); |
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return $checkbox; |
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} |
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/** |
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* @param string $name |
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* @param null $text |
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* @return CheckboxList |
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*/ |
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public function checkboxList($name, $text = null) { |
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$checkbox = new CheckboxList(); |
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$checkbox->setName($name); |
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$checkbox->setText($text); |
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$this->addElement($checkbox); |
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return $checkbox; |
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} |
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/** |
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* Attach element to this form. Overwrite element with same name |
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* |
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* @param Element\BaseElement $element |
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* @return $this |
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*/ |
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public function setElement(Element\BaseElement $element) { |
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$this->cleanValidationFlag(); |
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$this->elements[$element->getName()] = $element; |
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return $this; |
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} |
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/** |
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* @param Element\BaseElement $element |
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* @return $this |
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* @throws \Exception |
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*/ |
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public function addElement(Element\BaseElement $element) { |
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14 |
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if (isset($this->elements[$element->getName()])) { |
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throw new \Exception('Element with name ' . $element->getName() . ' is already added. Use setElement to overwrite it or change name'); |
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} |
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14 |
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$this->cleanValidationFlag(); |
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$this->elements[$element->getName()] = $element; |
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return $this; |
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} |
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/** |
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* Render full form |
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* |
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* @return string |
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*/ |
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public function render() { |
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return $this->renderStart() . $this->renderElements() . $this->renderEnd(); |
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} |
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/** |
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* You can easy rewrite this method for custom design of your forms |
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* |
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* @return string |
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*/ |
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protected function renderElements() { |
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1 |
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$formHtml = '<dl>'; |
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380
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1 |
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foreach ($this->elements as $element) { |
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$formHtml .= |
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'<dt>' . $element->getText() . '</dt>' . |
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'<dd>' . $element->render() . '</dd>'; |
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} |
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$formHtml .= '</dl>'; |
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return $formHtml; |
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} |
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/** |
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* @return string |
393
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*/ |
394
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1 |
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public function renderStart() { |
395
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$hidden = new Element\Input(); |
396
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1 |
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$hidden->setType('hidden'); |
397
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1 |
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$hidden->addAttributes([ |
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1 |
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'name' => $this->getUid(), |
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]); |
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$hidden->setValue(1); |
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|
402
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|
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# get default attribute |
404
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1 |
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$method = $this->getMethod(); |
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1 |
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$this->setAttribute('method', $method); |
406
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|
407
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1 |
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return '<form ' . $this->getAttributesAsString() . '>' . $hidden->render(); |
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} |
409
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410
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|
411
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/** |
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* @return string |
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*/ |
414
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1 |
|
public function renderEnd() { |
415
|
1 |
|
return '</form> '; |
416
|
|
|
} |
417
|
|
|
|
418
|
|
|
} |