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<?php |
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namespace luya\widgets; |
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use luya\base\Widget; |
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use luya\helpers\Html; |
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use luya\helpers\ArrayHelper; |
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use yii\base\InvalidConfigException; |
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use yii\web\JsExpression; |
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use yii\widgets\ActiveForm; |
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/** |
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* Generates a submit button for a form. This should be used when submiting payment forms |
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* in order to ensure a request is not send twice. |
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* |
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* ```php |
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* $form = ActiveForm::begin(); |
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* // form code |
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* |
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* SubmitButtonWidget::widget(['label' => 'Save', 'pushed' => 'Saving ...', 'options' => ['class' => 'btn btn-primary']]); |
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* $form::end(); |
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* ``` |
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* |
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* @author Basil Suter <[email protected]> |
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* @since 1.0.21 |
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*/ |
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class SubmitButtonWidget extends Widget |
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{ |
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/** |
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* @var string The label which should be displayed on button. |
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*/ |
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public $label; |
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/** |
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* @var string The label which should be visible when the button is pushed. for example `... sending`. |
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*/ |
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public $pushed; |
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/** |
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* @var array An array with Options which can be passed to the button, see {{luya\helpers\Html::submitButton}}. |
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*/ |
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public $options = []; |
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/** |
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* @var activeForm Define activeForm context to use widget in context and only disable button when validation succeeded |
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* @since 1.0.24 First time this was introduced |
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*/ |
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private $_activeForm; |
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/** |
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* @param $activeForm Set $activeForm and check for type "ActiveForm" |
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* @since 1.0.24 |
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*/ |
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public function setActiveForm(ActiveForm $activeForm) |
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{ |
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$this->_activeForm = $activeForm; |
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} |
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/** |
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* @return ActiveForm Return $activeForm |
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* @since 1.0.24 |
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*/ |
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public function getActiveForm() |
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{ |
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return $this->_activeForm; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function init() |
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{ |
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parent::init(); |
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if (!$this->label) { |
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throw new InvalidConfigException("The label property can not be empty."); |
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} |
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} |
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/** |
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* Add beforeSubmit handler which disables button and replaces button text |
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* @return string |
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* @since 1.0.24 Added "ActiveForm-Mode" which only disables button when given ActiveForm is validated successful |
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*/ |
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public function run() |
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{ |
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if ($this->_activeForm) { |
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$this->view->registerJs(" |
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$(document).on('beforeSubmit', function (e) { |
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var buttonSelector = $(e.target).find(':submit'); |
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var formSelector = $(e.target); |
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if (formSelector.find('div." . $this->_activeForm->errorCssClass . "').length === 0) { |
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buttonSelector.attr('disabled', true); |
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var newButtonLabel = '" . $this->pushed . "'; |
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if (newButtonLabel) { |
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buttonSelector.html('" . $this->pushed . "'); |
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} |
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} |
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return true; |
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});"); |
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} else { |
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$js = [ |
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'this.disabled=true;', |
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]; |
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if ($this->pushed) { |
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$js[] = "this.innerHTML='{$this->pushed}';"; |
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} |
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$this->options = ArrayHelper::merge([ |
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'onclick' => new JsExpression(implode(" ", $js)), |
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'encoding' => false, |
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], $this->options); |
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} |
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return Html::decode(Html::submitButton($this->label, $this->options)); |
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} |
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} |
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luyadev /
luya
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..