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489 lines
21 KiB
489 lines
21 KiB
<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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namespace yii\widgets; |
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use yii\base\Component; |
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use yii\helpers\Html; |
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use yii\base\Model; |
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use yii\helpers\JsExpression; |
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/** |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @since 2.0 |
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*/ |
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class ActiveField extends Component |
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{ |
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/** |
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* @var ActiveForm the form that this field is associated with. |
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*/ |
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public $form; |
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/** |
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* @var Model the data model that this field is associated with |
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*/ |
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public $model; |
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/** |
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* @var string the model attribute that this field is associated with |
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*/ |
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public $attribute; |
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/** |
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* @var string the tag name for the field container. |
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*/ |
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public $tag = 'div'; |
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/** |
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* @var array the HTML attributes (name-value pairs) for the field container tag. |
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* The values will be HTML-encoded using [[Html::encode()]]. |
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* If a value is null, the corresponding attribute will not be rendered. |
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*/ |
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public $options = array( |
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'class' => 'control-group', |
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); |
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/** |
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* @var string the template that is used to arrange the label, the input and the error message. |
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* The following tokens will be replaced when [[render()]] is called: `{label}`, `{input}` and `{error}`. |
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*/ |
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public $template = "{label}\n<div class=\"controls\">\n{input}\n{error}\n</div>"; |
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/** |
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* @var array the default options for the error message. This property is used when calling [[error()]] |
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* without the `$options` parameter. |
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*/ |
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public $errorOptions = array('tag' => 'span', 'class' => 'help-inline'); |
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/** |
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* @var array the default options for the label. This property is used when calling [[label()]] |
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* without the `$options` parameter. |
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*/ |
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public $labelOptions = array('class' => 'control-label'); |
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/** |
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* @var boolean whether to enable client-side data validation. |
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* If not set, it will take the value of [[ActiveForm::enableClientValidation]]. |
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*/ |
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public $enableClientValidation; |
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/** |
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* @var boolean whether to enable AJAX-based data validation. |
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* If not set, it will take the value of [[ActiveForm::enableAjaxValidation]]. |
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*/ |
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public $enableAjaxValidation; |
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/** |
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* @var boolean whether to perform validation when the input field loses focus and its value is found changed. |
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* If not set, it will take the value of [[ActiveForm::validateOnChange]]. |
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*/ |
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public $validateOnChange; |
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/** |
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* @var boolean whether to perform validation while the user is typing in the input field. |
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* If not set, it will take the value of [[ActiveForm::validateOnType]]. |
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* @see validationDelay |
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*/ |
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public $validateOnType; |
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/** |
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* @var integer number of milliseconds that the validation should be delayed when a user is typing in an input field. |
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* This property is used only when [[validateOnType]] is true. |
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* If not set, it will take the value of [[ActiveForm::validationDelay]]. |
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*/ |
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public $validationDelay; |
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/** |
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* @var JsExpression|string a [[JsExpression]] object or a JavaScript expression string representing |
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* the callback that will be invoked BEFORE validating the attribute associated with this field on the client side. |
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* |
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* This callback is called after [[ActiveForm::beforeValidateAttribute]]. |
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* |
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* The signature of the callback should be like the following: |
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* |
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* ~~~ |
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* ~~~ |
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*/ |
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public $beforeValidate; |
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/** |
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* @var JsExpression|string a [[JsExpression]] object or a JavaScript expression string representing |
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* the callback that will be invoked AFTER validating the attribute associated with this field on the client side. |
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* |
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* This callback is called before [[ActiveForm::afterValidateAttribute]]. |
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* |
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* The signature of the callback should be like the following: |
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* |
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* ~~~ |
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* ~~~ |
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*/ |
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public $afterValidate; |
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/** |
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* @var array the jQuery selectors for selecting the container, input and error tags. |
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* The array keys should be "container", "input", and/or "error", and the array values |
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* are the corresponding selectors. For example, `array('input' => '#my-input')`. |
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* |
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* The selectors are used under the context of the form. |
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* |
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* You normally do not need to set this property as the default selectors should work well for most cases. |
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*/ |
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public $selectors; |
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public function begin() |
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{ |
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$inputID = Html::getInputId($this->model, $this->attribute); |
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$attribute = Html::getAttributeName($this->attribute); |
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$validators = array(); |
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foreach ($this->model->getActiveValidators($attribute) as $validator) { |
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/** @var \yii\validators\Validator $validator */ |
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if (($js = $validator->clientValidateAttribute($this->model, $attribute)) != '') { |
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$validators[] = $js; |
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} |
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} |
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$jsOptions = array( |
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'name' => $this->attribute, |
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'container' => ".field-$inputID", |
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'input' => "#$inputID", |
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'error' => '.help-inline', |
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); |
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if ($validators !== array()) { |
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$jsOptions['validate'] = new JsExpression("function(attribute, value, messages) {" . implode('', $validators) . '}'); |
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} |
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$this->form->attributes[$this->attribute] = $jsOptions; |
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$options = $this->options; |
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$class = isset($options['class']) ? array($options['class']) : array(); |
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$class[] = "field-$inputID"; |
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if ($this->model->isAttributeRequired($attribute)) { |
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$class[] = $this->form->requiredCssClass; |
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} |
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if ($this->model->hasErrors($attribute)) { |
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$class[] = $this->form->errorCssClass; |
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} |
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$options['class'] = implode(' ', $class); |
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return Html::beginTag($this->tag, $options); |
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} |
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public function end() |
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{ |
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return Html::endTag($this->tag); |
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} |
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/** |
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* Generates a label tag for [[attribute]]. |
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* The label text is the label associated with the attribute, obtained via [[Model::getAttributeLabel()]]. |
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* @param array $options the tag options in terms of name-value pairs. If this is null, [[labelOptions]] will be used. |
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* The options will be rendered as the attributes of the resulting tag. The values will be HTML-encoded |
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* using [[encode()]]. If a value is null, the corresponding attribute will not be rendered. |
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* |
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* The following options are specially handled: |
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* |
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* - label: this specifies the label to be displayed. Note that this will NOT be [[encoded()]]. |
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* If this is not set, [[Model::getAttributeLabel()]] will be called to get the label for display |
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* (after encoding). |
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* |
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* @return string the generated label tag |
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*/ |
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public function label($options = null) |
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{ |
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if ($options === null) { |
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$options = $this->labelOptions; |
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} |
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return Html::activeLabel($this->model, $this->attribute, $options); |
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} |
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/** |
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* Generates a tag that contains the first validation error of [[attribute]]. |
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* Note that even if there is no validation error, this method will still return an empty error tag. |
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* @param array $options the tag options in terms of name-value pairs. If this is null, [[errorOptions]] will be used. |
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* The options will be rendered as the attributes of the resulting tag. The values will be HTML-encoded |
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* using [[encode()]]. If a value is null, the corresponding attribute will not be rendered. |
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* |
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* The following options are specially handled: |
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* |
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* - tag: this specifies the tag name. If not set, "span" will be used. |
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* |
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* @return string the generated label tag |
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*/ |
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public function error($options = null) |
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{ |
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if ($options === null) { |
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$options = $this->errorOptions; |
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} |
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$attribute = Html::getAttributeName($this->attribute); |
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$error = $this->model->getFirstError($attribute); |
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$tag = isset($options['tag']) ? $options['tag'] : 'span'; |
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unset($options['tag']); |
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return Html::tag($tag, Html::encode($error), $options); |
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} |
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/** |
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* Renders the field with the given input HTML. |
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* This method will generate the label and error tags, and return them together with the given |
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* input HTML according to [[template]]. |
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* @param string $input the input HTML |
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* @return string the rendering result |
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*/ |
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public function render($input) |
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{ |
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return $this->begin() . "\n" . strtr($this->template, array( |
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'{input}' => $input, |
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'{label}' => $this->label(), |
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'{error}' => $this->error(), |
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)) . "\n" . $this->end(); |
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} |
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/** |
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* Generates an input tag for the given model attribute. |
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* @param string $type the input type (e.g. 'text', 'password') |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* @return string the generated input tag |
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*/ |
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public function input($type, $options = array()) |
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{ |
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return $this->render(Html::activeInput($type, $this->model, $this->attribute, $options)); |
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} |
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/** |
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* Generates a text input tag for the given model attribute. |
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* This method will generate the "name" and "value" tag attributes automatically for the model attribute |
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* unless they are explicitly specified in `$options`. |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* @return string the generated input tag |
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*/ |
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public function textInput($options = array()) |
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{ |
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return $this->render(Html::activeTextInput($this->model, $this->attribute, $options)); |
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} |
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/** |
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* Generates a hidden input tag for the given model attribute. |
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* This method will generate the "name" and "value" tag attributes automatically for the model attribute |
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* unless they are explicitly specified in `$options`. |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* @return string the generated input tag |
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*/ |
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public function hiddenInput($options = array()) |
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{ |
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return $this->render(Html::activeHiddenInput($this->model, $this->attribute, $options)); |
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} |
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/** |
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* Generates a password input tag for the given model attribute. |
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* This method will generate the "name" and "value" tag attributes automatically for the model attribute |
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* unless they are explicitly specified in `$options`. |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* @return string the generated input tag |
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*/ |
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public function passwordInput($options = array()) |
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{ |
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return $this->render(Html::activePasswordInput($this->model, $this->attribute, $options)); |
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} |
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/** |
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* Generates a file input tag for the given model attribute. |
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* This method will generate the "name" and "value" tag attributes automatically for the model attribute |
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* unless they are explicitly specified in `$options`. |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* @return string the generated input tag |
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*/ |
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public function fileInput($options = array()) |
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{ |
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return $this->render(Html::activeFileInput($this->model, $this->attribute, $options)); |
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} |
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/** |
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* Generates a textarea tag for the given model attribute. |
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* The model attribute value will be used as the content in the textarea. |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* @return string the generated textarea tag |
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*/ |
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public function textarea($options = array()) |
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{ |
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return $this->render(Html::activeTextarea($this->model, $this->attribute, $options)); |
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} |
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/** |
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* Generates a radio button tag for the given model attribute. |
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* This method will generate the "name" tag attribute automatically unless it is explicitly specified in `$options`. |
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* This method will generate the "checked" tag attribute according to the model attribute value. |
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* @param array $options the tag options in terms of name-value pairs. The following options are specially handled: |
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* |
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* - uncheck: string, the value associated with the uncheck state of the radio button. If not set, |
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* it will take the default value '0'. This method will render a hidden input so that if the radio button |
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* is not checked and is submitted, the value of this attribute will still be submitted to the server |
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* via the hidden input. |
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* |
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* The rest of the options will be rendered as the attributes of the resulting tag. The values will |
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* be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered. |
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* @return string the generated radio button tag |
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*/ |
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public function radio($options = array()) |
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{ |
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return $this->render(Html::activeRadio($this->model, $this->attribute, $options)); |
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} |
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/** |
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* Generates a checkbox tag for the given model attribute. |
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* This method will generate the "name" tag attribute automatically unless it is explicitly specified in `$options`. |
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* This method will generate the "checked" tag attribute according to the model attribute value. |
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* @param array $options the tag options in terms of name-value pairs. The following options are specially handled: |
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* |
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* - uncheck: string, the value associated with the uncheck state of the radio button. If not set, |
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* it will take the default value '0'. This method will render a hidden input so that if the radio button |
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* is not checked and is submitted, the value of this attribute will still be submitted to the server |
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* via the hidden input. |
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* |
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* The rest of the options will be rendered as the attributes of the resulting tag. The values will |
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* be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered. |
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* @return string the generated checkbox tag |
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*/ |
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public function checkbox($options = array()) |
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{ |
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return $this->render(Html::activeCheckbox($this->model, $this->attribute, $options)); |
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} |
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/** |
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* Generates a drop-down list for the given model attribute. |
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* The selection of the drop-down list is taken from the value of the model attribute. |
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* @param array $items the option data items. The array keys are option values, and the array values |
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* are the corresponding option labels. The array can also be nested (i.e. some array values are arrays too). |
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* For each sub-array, an option group will be generated whose label is the key associated with the sub-array. |
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* If you have a list of data models, you may convert them into the format described above using |
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* [[\yii\helpers\ArrayHelper::map()]]. |
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* |
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* Note, the values and labels will be automatically HTML-encoded by this method, and the blank spaces in |
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* the labels will also be HTML-encoded. |
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* @param array $options the tag options in terms of name-value pairs. The following options are specially handled: |
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* |
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* - prompt: string, a prompt text to be displayed as the first option; |
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* - options: array, the attributes for the select option tags. The array keys must be valid option values, |
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* and the array values are the extra attributes for the corresponding option tags. For example, |
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* |
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* ~~~ |
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* array( |
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* 'value1' => array('disabled' => true), |
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* 'value2' => array('label' => 'value 2'), |
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* ); |
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* ~~~ |
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* |
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* - groups: array, the attributes for the optgroup tags. The structure of this is similar to that of 'options', |
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* except that the array keys represent the optgroup labels specified in $items. |
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* |
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* The rest of the options will be rendered as the attributes of the resulting tag. The values will |
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* be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered. |
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* |
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* @return string the generated drop-down list tag |
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*/ |
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public function dropDownList($items, $options = array()) |
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{ |
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return $this->render(Html::activeDropDownList($this->model, $this->attribute, $items, $options)); |
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} |
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/** |
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* Generates a list box. |
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* The selection of the list box is taken from the value of the model attribute. |
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* @param array $items the option data items. The array keys are option values, and the array values |
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* are the corresponding option labels. The array can also be nested (i.e. some array values are arrays too). |
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* For each sub-array, an option group will be generated whose label is the key associated with the sub-array. |
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* If you have a list of data models, you may convert them into the format described above using |
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* [[\yii\helpers\ArrayHelper::map()]]. |
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* |
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* Note, the values and labels will be automatically HTML-encoded by this method, and the blank spaces in |
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* the labels will also be HTML-encoded. |
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* @param array $options the tag options in terms of name-value pairs. The following options are specially handled: |
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* |
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* - prompt: string, a prompt text to be displayed as the first option; |
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* - options: array, the attributes for the select option tags. The array keys must be valid option values, |
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* and the array values are the extra attributes for the corresponding option tags. For example, |
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* |
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* ~~~ |
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* array( |
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* 'value1' => array('disabled' => true), |
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* 'value2' => array('label' => 'value 2'), |
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* ); |
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* ~~~ |
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* |
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* - groups: array, the attributes for the optgroup tags. The structure of this is similar to that of 'options', |
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* except that the array keys represent the optgroup labels specified in $items. |
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* - unselect: string, the value that will be submitted when no option is selected. |
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* When this attribute is set, a hidden field will be generated so that if no option is selected in multiple |
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* mode, we can still obtain the posted unselect value. |
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* |
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* The rest of the options will be rendered as the attributes of the resulting tag. The values will |
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* be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered. |
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* |
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* @return string the generated list box tag |
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*/ |
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public function listBox($items, $options = array()) |
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{ |
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return $this->render(Html::activeListBox($this->model, $this->attribute, $items, $options)); |
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} |
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/** |
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* Generates a list of checkboxes. |
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* A checkbox list allows multiple selection, like [[listBox()]]. |
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* As a result, the corresponding submitted value is an array. |
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* The selection of the checkbox list is taken from the value of the model attribute. |
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* @param array $items the data item used to generate the checkboxes. |
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* The array keys are the labels, while the array values are the corresponding checkbox values. |
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* Note that the labels will NOT be HTML-encoded, while the values will. |
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* @param array $options options (name => config) for the checkbox list. The following options are specially handled: |
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* |
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* - unselect: string, the value that should be submitted when none of the checkboxes is selected. |
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* By setting this option, a hidden input will be generated. |
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* - separator: string, the HTML code that separates items. |
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* - item: callable, a callback that can be used to customize the generation of the HTML code |
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* corresponding to a single item in $items. The signature of this callback must be: |
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* |
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* ~~~ |
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* function ($index, $label, $name, $checked, $value) |
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* ~~~ |
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* |
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* where $index is the zero-based index of the checkbox in the whole list; $label |
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* is the label for the checkbox; and $name, $value and $checked represent the name, |
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* value and the checked status of the checkbox input. |
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* @return string the generated checkbox list |
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*/ |
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public function checkboxList($items, $options = array()) |
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{ |
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return $this->render( |
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'<div id="' . Html::getInputId($this->model, $this->attribute) . '">' |
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. Html::activeCheckboxList($this->model, $this->attribute, $items, $options) |
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. '</div>' |
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); |
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} |
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/** |
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* Generates a list of radio buttons. |
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* A radio button list is like a checkbox list, except that it only allows single selection. |
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* The selection of the radio buttons is taken from the value of the model attribute. |
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* @param array $items the data item used to generate the radio buttons. |
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* The array keys are the labels, while the array values are the corresponding radio button values. |
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* Note that the labels will NOT be HTML-encoded, while the values will. |
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* @param array $options options (name => config) for the radio button list. The following options are specially handled: |
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* |
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* - unselect: string, the value that should be submitted when none of the radio buttons is selected. |
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* By setting this option, a hidden input will be generated. |
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* - separator: string, the HTML code that separates items. |
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* - item: callable, a callback that can be used to customize the generation of the HTML code |
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* corresponding to a single item in $items. The signature of this callback must be: |
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* |
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* ~~~ |
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* function ($index, $label, $name, $checked, $value) |
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* ~~~ |
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* |
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* where $index is the zero-based index of the radio button in the whole list; $label |
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* is the label for the radio button; and $name, $value and $checked represent the name, |
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* value and the checked status of the radio button input. |
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* @return string the generated radio button list |
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*/ |
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public function radioList($items, $options = array()) |
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{ |
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return $this->render( |
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'<div id="' . Html::getInputId($this->model, $this->attribute) . '">' |
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. Html::activeRadioList($this->model, $this->attribute, $items, $options) |
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. '</div>' |
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); |
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} |
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} |