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<?php |
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namespace Kris\LaravelFormBuilder\Fields; |
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use Illuminate\Database\Eloquent\Collection; |
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use Illuminate\Database\Eloquent\Model; |
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use Kris\LaravelFormBuilder\Form; |
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use Kris\LaravelFormBuilder\FormHelper; |
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use Kris\LaravelFormBuilder\RulesParser; |
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/** |
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* Class FormField |
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* |
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* @package Kris\LaravelFormBuilder\Fields |
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*/ |
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abstract class FormField |
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{ |
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/** |
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* Name of the field |
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* |
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* @var |
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*/ |
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protected $name; |
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/** |
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* Type of the field |
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* |
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* @var |
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*/ |
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protected $type; |
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/** |
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* All options for the field |
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* |
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* @var |
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*/ |
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protected $options = []; |
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/** |
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* Is field rendered |
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* |
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* @var bool |
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*/ |
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protected $rendered = false; |
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/** |
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* @var Form |
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*/ |
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protected $parent; |
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/** |
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* @var string |
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*/ |
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protected $template; |
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/** |
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* @var FormHelper |
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*/ |
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protected $formHelper; |
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/** |
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* Name of the property for value setting |
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* |
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* @var string |
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*/ |
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protected $valueProperty = 'value'; |
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/** |
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* Name of the property for default value |
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* |
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* @var string |
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*/ |
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protected $defaultValueProperty = 'default_value'; |
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/** |
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* Is default value set? |
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* @var bool |
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*/ |
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protected $hasDefault = false; |
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/** |
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* @var \Closure|null |
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*/ |
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protected $valueClosure = null; |
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/** |
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* @param $name |
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* @param $type |
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* @param Form $parent |
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* @param array $options |
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*/ |
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public function __construct($name, $type, Form $parent, array $options = []) |
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{ |
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$this->name = $name; |
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$this->type = $type; |
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$this->parent = $parent; |
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$this->formHelper = $this->parent->getFormHelper(); |
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$this->setTemplate(); |
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$this->setDefaultOptions($options); |
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$this->setupValue(); |
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} |
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protected function setupValue() |
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{ |
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$value = $this->getOption($this->valueProperty); |
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$isChild = $this->getOption('is_child'); |
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if ($value instanceof \Closure) { |
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$this->valueClosure = $value; |
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} |
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if (($value === null || $value instanceof \Closure) && !$isChild) { |
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$this->setValue($this->getModelValueAttribute($this->parent->getModel(), $this->name)); |
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} elseif (!$isChild) { |
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$this->hasDefault = true; |
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} |
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} |
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/** |
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* Get the template, can be config variable or view path |
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* |
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* @return string |
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*/ |
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abstract protected function getTemplate(); |
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/** |
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* @return string |
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*/ |
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protected function getViewTemplate() |
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{ |
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return $this->parent->getTemplatePrefix() . $this->getOption('template', $this->template); |
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} |
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/** |
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* @param array $options |
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* @param bool $showLabel |
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* @param bool $showField |
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* @param bool $showError |
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* @return string |
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*/ |
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public function render(array $options = [], $showLabel = true, $showField = true, $showError = true) |
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{ |
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$this->prepareOptions($options); |
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$value = $this->getValue(); |
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$defaultValue = $this->getDefaultValue(); |
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if ($showField) { |
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$this->rendered = true; |
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} |
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// Override default value with value |
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if (!$this->isValidValue($value) && $this->isValidValue($defaultValue)) { |
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$this->setOption($this->valueProperty, $defaultValue); |
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} |
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if (!$this->needsLabel()) { |
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$showLabel = false; |
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} |
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if ($showError) { |
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$showError = $this->parent->haveErrorsEnabled(); |
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} |
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return $this->formHelper->getView()->make( |
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$this->getViewTemplate(), |
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[ |
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'name' => $this->name, |
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'nameKey' => $this->getNameKey(), |
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'type' => $this->type, |
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'options' => $this->options, |
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'showLabel' => $showLabel, |
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'showField' => $showField, |
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'showError' => $showError |
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] |
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)->render(); |
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} |
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/** |
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* Get the attribute value from the model by name |
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* |
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* @param mixed $model |
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* @param string $name |
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* @return mixed |
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*/ |
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protected function getModelValueAttribute($model, $name) |
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{ |
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$transformedName = $this->transformKey($name); |
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if (is_string($model)) { |
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return $model; |
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} elseif (is_object($model)) { |
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return object_get($model, $transformedName); |
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} elseif (is_array($model)) { |
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return array_get($model, $transformedName); |
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} |
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} |
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/** |
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* Transform array like syntax to dot syntax |
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* |
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* @param $key |
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* @return mixed |
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*/ |
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protected function transformKey($key) |
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{ |
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return $this->formHelper->transformToDotSyntax($key); |
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} |
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/** |
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* Prepare options for rendering |
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* |
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* @param array $options |
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* @return array |
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*/ |
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protected function prepareOptions(array $options = []) |
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{ |
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$helper = $this->formHelper; |
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$rulesParser = new RulesParser($this); |
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$rules = $this->getOption('rules'); |
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$parsedRules = $rules ? $rulesParser->parse($rules) : []; |
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$this->options = $helper->mergeOptions($this->options, $options); |
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if ($this->getOption('attr.multiple') && !$this->getOption('tmp.multipleBracesSet')) { |
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$this->name = $this->name.'[]'; |
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$this->setOption('tmp.multipleBracesSet', true); |
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} |
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if ($this->parent->haveErrorsEnabled()) { |
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$this->addErrorClass(); |
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} |
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if ($this->getOption('required') === true || isset($parsedRules['required'])) { |
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$lblClass = $this->getOption('label_attr.class', ''); |
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$requiredClass = $helper->getConfig('defaults.required_class', 'required'); |
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if (!str_contains($lblClass, $requiredClass)) { |
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$lblClass .= ' ' . $requiredClass; |
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$this->setOption('label_attr.class', $lblClass); |
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$this->setOption('attr.required', 'required'); |
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} |
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} |
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if ($this->parent->clientValidationEnabled() && $rules) { |
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$attrs = $this->getOption('attr') + $parsedRules; |
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$this->setOption('attr', $attrs); |
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} |
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$this->setOption('wrapperAttrs', $helper->prepareAttributes($this->getOption('wrapper'))); |
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$this->setOption('errorAttrs', $helper->prepareAttributes($this->getOption('errors'))); |
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if ($this->getOption('is_child')) { |
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$this->setOption('labelAttrs', $helper->prepareAttributes($this->getOption('label_attr'))); |
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} |
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if ($this->getOption('help_block.text')) { |
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$this->setOption( |
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'help_block.helpBlockAttrs', |
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$helper->prepareAttributes($this->getOption('help_block.attr')) |
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); |
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} |
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return $this->options; |
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} |
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/** |
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* Get name of the field |
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* |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return $this->name; |
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} |
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/** |
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* Set name of the field |
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* |
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* @param string $name |
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* @return $this |
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*/ |
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public function setName($name) |
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{ |
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$this->name = $name; |
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return $this; |
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} |
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/** |
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* Get dot notation key for fields |
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* |
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* @return string |
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**/ |
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public function getNameKey() |
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{ |
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return $this->transformKey($this->name); |
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} |
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/** |
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* Get field options |
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* |
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* @return array |
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*/ |
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public function getOptions() |
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{ |
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return $this->options; |
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} |
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/** |
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* Get single option from options array. Can be used with dot notation ('attr.class') |
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* |
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* @param $option |
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* @param mixed $default |
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* |
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* @return mixed |
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*/ |
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public function getOption($option, $default = null) |
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{ |
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return array_get($this->options, $option, $default); |
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} |
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/** |
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* Set field options |
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* |
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* @param array $options |
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* @return $this |
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*/ |
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public function setOptions($options) |
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{ |
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$this->options = $this->prepareOptions($options); |
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return $this; |
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} |
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/** |
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* Set single option on the field |
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* |
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* @param string $name |
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* @param mixed $value |
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* @return $this |
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*/ |
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public function setOption($name, $value) |
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{ |
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array_set($this->options, $name, $value); |
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return $this; |
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} |
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/** |
348
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* Get the type of the field |
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* |
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* @return string |
351
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*/ |
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35 |
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public function getType() |
353
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{ |
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return $this->type; |
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} |
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357
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/** |
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* Set type of the field |
359
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* |
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* @param mixed $type |
361
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* @return $this |
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*/ |
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1 |
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public function setType($type) |
364
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{ |
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1 |
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if ($this->formHelper->getFieldType($type)) { |
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1 |
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$this->type = $type; |
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} |
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369
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1 |
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return $this; |
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} |
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/** |
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* @return Form |
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*/ |
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64 |
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public function getParent() |
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{ |
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return $this->parent; |
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} |
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380
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/** |
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* Check if the field is rendered |
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* |
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* @return bool |
384
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*/ |
385
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4 |
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public function isRendered() |
386
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{ |
387
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4 |
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return $this->rendered; |
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} |
389
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|
390
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/** |
391
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* Default options for field |
392
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* |
393
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* @return array |
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*/ |
395
|
46 |
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protected function getDefaults() |
396
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{ |
397
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46 |
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return []; |
398
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} |
399
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|
400
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/** |
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* Defaults used across all fields |
402
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* |
403
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* @return array |
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*/ |
405
|
64 |
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private function allDefaults() |
406
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{ |
407
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return [ |
408
|
64 |
|
'wrapper' => ['class' => $this->formHelper->getConfig('defaults.wrapper_class')], |
409
|
64 |
|
'attr' => ['class' => $this->formHelper->getConfig('defaults.field_class')], |
410
|
64 |
|
'help_block' => ['text' => null, 'tag' => 'p', 'attr' => [ |
411
|
64 |
|
'class' => $this->formHelper->getConfig('defaults.help_block_class') |
412
|
|
|
]], |
413
|
|
|
'value' => null, |
414
|
|
|
'default_value' => null, |
415
|
64 |
|
'label' => $this->formHelper->formatLabel($this->getRealName()), |
416
|
|
|
'is_child' => false, |
417
|
64 |
|
'label_attr' => ['class' => $this->formHelper->getConfig('defaults.label_class')], |
418
|
64 |
|
'errors' => ['class' => $this->formHelper->getConfig('defaults.error_class')], |
419
|
|
|
'rules' => [] |
420
|
|
|
]; |
421
|
|
|
} |
422
|
|
|
|
423
|
|
|
/** |
424
|
|
|
* Get real name of the field without form namespace |
425
|
|
|
* |
426
|
|
|
* @return string |
427
|
|
|
*/ |
428
|
64 |
|
public function getRealName() |
429
|
|
|
{ |
430
|
64 |
|
return $this->getOption('real_name', $this->name); |
431
|
|
|
} |
432
|
|
|
|
433
|
|
|
/** |
434
|
|
|
* @param $value |
435
|
|
|
* @return $this |
436
|
|
|
*/ |
437
|
58 |
|
public function setValue($value) |
438
|
|
|
{ |
439
|
58 |
|
if ($this->hasDefault) { |
440
|
1 |
|
return $this; |
441
|
|
|
} |
442
|
|
|
|
443
|
58 |
|
$closure = $this->valueClosure; |
444
|
|
|
|
445
|
58 |
|
if ($closure instanceof \Closure) { |
446
|
|
|
$value = $closure($value ?: null); |
447
|
|
|
} |
448
|
|
|
|
449
|
58 |
|
if (!$this->isValidValue($value)) { |
450
|
56 |
|
$value = $this->getOption($this->defaultValueProperty); |
451
|
|
|
} |
452
|
|
|
|
453
|
58 |
|
$this->options[$this->valueProperty] = $value; |
454
|
|
|
|
455
|
58 |
|
return $this; |
456
|
|
|
} |
457
|
|
|
|
458
|
|
|
/** |
459
|
|
|
* Set the template property on the object |
460
|
|
|
*/ |
461
|
64 |
|
private function setTemplate() |
462
|
|
|
{ |
463
|
64 |
|
$this->template = $this->formHelper->getConfig($this->getTemplate(), $this->getTemplate()); |
464
|
64 |
|
} |
465
|
|
|
|
466
|
|
|
/** |
467
|
|
|
* Add error class to wrapper if validation errors exist |
468
|
|
|
*/ |
469
|
64 |
|
protected function addErrorClass() |
470
|
|
|
{ |
471
|
64 |
|
$errors = $this->parent->getRequest()->session()->get('errors'); |
472
|
|
|
|
473
|
64 |
|
if ($errors && $errors->has($this->getNameKey())) { |
474
|
|
|
$errorClass = $this->formHelper->getConfig('defaults.wrapper_error_class'); |
475
|
|
|
$wrapperClass = $this->getOption('wrapper.class'); |
476
|
|
|
|
477
|
|
|
if ($this->getOption('wrapper') && !str_contains($wrapperClass, $errorClass)) { |
478
|
|
|
$wrapperClass .= ' ' . $errorClass; |
479
|
|
|
$this->setOption('wrapper.class', $wrapperClass); |
480
|
|
|
} |
481
|
|
|
} |
482
|
64 |
|
} |
483
|
|
|
|
484
|
|
|
|
485
|
|
|
/** |
486
|
|
|
* Merge all defaults with field specific defaults and set template if passed |
487
|
|
|
* |
488
|
|
|
* @param array $options |
489
|
|
|
*/ |
490
|
64 |
|
protected function setDefaultOptions(array $options = []) |
491
|
|
|
{ |
492
|
64 |
|
$this->options = $this->formHelper->mergeOptions($this->allDefaults(), $this->getDefaults()); |
493
|
64 |
|
$this->options = $this->prepareOptions($options); |
494
|
64 |
|
} |
495
|
|
|
|
496
|
|
|
/** |
497
|
|
|
* Check if fields needs label |
498
|
|
|
* |
499
|
|
|
* @return bool |
500
|
|
|
*/ |
501
|
26 |
|
protected function needsLabel() |
502
|
|
|
{ |
503
|
|
|
// If field is <select> and child of choice, we don't need label for it |
504
|
26 |
|
$isChildSelect = $this->type == 'select' && $this->getOption('is_child') === true; |
505
|
|
|
|
506
|
26 |
|
if ($this->type == 'hidden' || $isChildSelect) { |
507
|
8 |
|
return false; |
508
|
|
|
} |
509
|
|
|
|
510
|
23 |
|
return true; |
511
|
|
|
} |
512
|
|
|
|
513
|
|
|
/** |
514
|
|
|
* Disable field |
515
|
|
|
* |
516
|
|
|
* @return $this |
517
|
|
|
*/ |
518
|
1 |
|
public function disable() |
519
|
|
|
{ |
520
|
1 |
|
$this->setOption('attr.disabled', 'disabled'); |
521
|
|
|
|
522
|
1 |
|
return $this; |
523
|
|
|
} |
524
|
|
|
|
525
|
|
|
/** |
526
|
|
|
* Enable field |
527
|
|
|
* |
528
|
|
|
* @return $this |
529
|
|
|
*/ |
530
|
1 |
|
public function enable() |
531
|
|
|
{ |
532
|
1 |
|
array_forget($this->options, 'attr.disabled'); |
533
|
|
|
|
534
|
1 |
|
return $this; |
535
|
|
|
} |
536
|
|
|
|
537
|
|
|
/** |
538
|
|
|
* Get validation rules for a field if any with label for attributes |
539
|
|
|
* |
540
|
|
|
* @return array|null |
541
|
|
|
*/ |
542
|
3 |
|
public function getValidationRules() |
543
|
|
|
{ |
544
|
3 |
|
$rules = $this->getOption('rules', []); |
545
|
3 |
|
$name = $this->getNameKey(); |
546
|
|
|
|
547
|
3 |
|
if (!$rules) { |
548
|
|
|
return null; |
549
|
|
|
} |
550
|
|
|
|
551
|
|
|
return [ |
552
|
3 |
|
'rules' => [$name => $rules], |
553
|
3 |
|
'attributes' => [$name => $this->getOption('label')] |
554
|
|
|
]; |
555
|
|
|
} |
556
|
|
|
|
557
|
|
|
/** |
558
|
|
|
* Get value property |
559
|
|
|
* |
560
|
|
|
* @param mixed|null $default |
561
|
|
|
* @return mixed |
562
|
|
|
*/ |
563
|
29 |
|
public function getValue($default = null) |
564
|
|
|
{ |
565
|
29 |
|
return $this->getOption($this->valueProperty, $default); |
566
|
|
|
} |
567
|
|
|
|
568
|
|
|
/** |
569
|
|
|
* Get default value property |
570
|
|
|
* |
571
|
|
|
* @param mixed|null $default |
572
|
|
|
* @return mixed |
573
|
|
|
*/ |
574
|
26 |
|
public function getDefaultValue($default = null) |
575
|
|
|
{ |
576
|
26 |
|
return $this->getOption($this->defaultValueProperty, $default); |
577
|
|
|
} |
578
|
|
|
|
579
|
|
|
/** |
580
|
|
|
* Check if provided value is valid for this type |
581
|
|
|
* |
582
|
|
|
* @return bool |
583
|
|
|
*/ |
584
|
61 |
|
protected function isValidValue($value) |
585
|
|
|
{ |
586
|
61 |
|
return $value !== null; |
587
|
|
|
} |
588
|
|
|
} |
589
|
|
|
|