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<?php |
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/** |
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* Author: metalguardian |
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*/ |
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namespace metalguardian\formBuilder; |
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use yii\base\InvalidConfigException; |
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use yii\base\Model; |
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use yii\helpers\ArrayHelper; |
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use yii\widgets\ActiveField; |
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use yii\widgets\ActiveForm; |
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use yii\widgets\InputWidget; |
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/** |
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* Class ActiveFormBuilder |
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* @package metalguardian\formBuilder |
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*/ |
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class ActiveFormBuilder extends ActiveForm |
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{ |
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const INPUT_HIDDEN = 'hiddenInput'; |
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const INPUT_TEXT = 'textInput'; |
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const INPUT_TEXTAREA = 'textarea'; |
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const INPUT_PASSWORD = 'passwordInput'; |
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const INPUT_DROPDOWN_LIST = 'dropdownList'; |
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const INPUT_LIST_BOX = 'listBox'; |
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const INPUT_CHECKBOX = 'checkbox'; |
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const INPUT_RADIO = 'radio'; |
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const INPUT_CHECKBOX_LIST = 'checkboxList'; |
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const INPUT_RADIO_LIST = 'radioList'; |
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const INPUT_FILE = 'fileInput'; |
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const INPUT_HTML5 = 'input'; |
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const INPUT_WIDGET = 'widget'; |
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const INPUT_RAW = 'raw'; |
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/** |
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* @param Model $model |
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* @param array $config |
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* |
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* @return null|string |
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*/ |
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public function renderForm(Model $model, array $config) |
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{ |
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$form = null; |
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foreach ($config as $attribute => $options) { |
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$form .= $this->renderField($model, $attribute, $options); |
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} |
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return $form; |
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} |
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/** |
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* @param string $attribute |
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* @param array $settings |
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* @param Model $model |
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* |
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* @return ActiveField |
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* @throws InvalidConfigException |
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*/ |
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public function renderField(Model $model, $attribute, array $settings = []) |
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{ |
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$fieldOptions = ArrayHelper::getValue($settings, 'fieldOptions', []); |
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$field = $this->field($model, $attribute, $fieldOptions); |
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if (($label = ArrayHelper::getValue($settings, 'label')) !== null) { |
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$field->label($label, ArrayHelper::getValue($settings, 'labelOptions', [])); |
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} |
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if (($hint = ArrayHelper::getValue($settings, 'hint')) !== null) { |
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$field->hint($hint, ArrayHelper::getValue($settings, 'hintOptions', [])); |
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} |
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$type = ArrayHelper::getValue($settings, 'type', static::INPUT_TEXT); |
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$this->prepareField($field, $type, $settings); |
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return $field; |
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} |
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/** |
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* @param ActiveField $field |
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* @param $type |
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* @param array $settings |
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* @throws InvalidConfigException |
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*/ |
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protected function prepareField($field, $type, array $settings) |
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{ |
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$options = ArrayHelper::getValue($settings, 'options', []); |
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switch ($type) { |
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case static::INPUT_HIDDEN: |
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case static::INPUT_TEXT: |
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case static::INPUT_TEXTAREA: |
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case static::INPUT_PASSWORD: |
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case static::INPUT_FILE: |
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$field->$type($options); |
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break; |
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case static::INPUT_DROPDOWN_LIST: |
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case static::INPUT_LIST_BOX: |
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case static::INPUT_CHECKBOX_LIST: |
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case static::INPUT_RADIO_LIST: |
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$items = ArrayHelper::getValue($settings, 'items', []); |
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$field->$type($items, $options); |
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break; |
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case static::INPUT_CHECKBOX: |
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case static::INPUT_RADIO: |
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$enclosedByLabel = ArrayHelper::getValue($settings, 'enclosedByLabel', true); |
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$field->$type($options, $enclosedByLabel); |
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break; |
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case static::INPUT_HTML5: |
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$html5type = ArrayHelper::getValue($settings, 'html5type', 'text'); |
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$field->$type($html5type, $options); |
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break; |
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case static::INPUT_WIDGET: |
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$widgetClass = $this->getWidgetClass($settings); |
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$field->$type($widgetClass, $options); |
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break; |
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case static::INPUT_RAW: |
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$field->parts['{input}'] = $this->getValue($settings); |
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break; |
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default: |
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throw new InvalidConfigException("Invalid input type '{$type}' configured for the attribute."); |
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} |
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} |
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/** |
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* @param array $settings |
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* @return mixed |
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* @throws InvalidConfigException |
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*/ |
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protected function getWidgetClass(array $settings) |
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{ |
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$widgetClass = ArrayHelper::getValue($settings, 'widgetClass'); |
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if (empty($widgetClass) && !$widgetClass instanceof InputWidget) { |
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throw new InvalidConfigException( |
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"A valid 'widgetClass' must be setup and extend from '\\yii\\widgets\\InputWidget'." |
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); |
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} |
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return $widgetClass; |
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} |
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/** |
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* @param array $settings |
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* @return mixed|string |
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*/ |
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protected function getValue(array $settings) |
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{ |
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$value = ArrayHelper::getValue($settings, 'value', ''); |
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if (is_callable($value)) { |
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return call_user_func($value); |
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} elseif (!is_string($value)) { |
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return ''; |
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} |
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return $value; |
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} |
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} |
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MetalGuardian /
yii2-form-builder
