field($model, 'item_id')->widget(\yii\bootstrap\ToggleButtonGroup::classname(), [ * // configure additional widget properties here * ]) ?> * ``` * * @see http://getbootstrap.com/javascript/#buttons-checkbox-radio * * @author Paul Klimov * @since 2.0.6 */ class ToggleButtonGroup extends InputWidget { /** * @var string input type, can be: * - 'checkbox' * - 'radio' */ public $type; /** * @var array the data item used to generate the checkboxes. * The array values are the labels, while the array keys are the corresponding checkbox or radio values. */ public $items = []; /** * @var array, the HTML attributes for the label (button) tag. * @see Html::checkbox() * @see Html::radio() */ public $labelOptions = []; /** * @var boolean whether the items labels should be HTML-encoded. */ public $encodeLabels = true; /** * @inheritdoc */ public function init() { parent::init(); $this->registerPlugin('button'); Html::addCssClass($this->options, 'btn-group'); $this->options['data-toggle'] = 'buttons'; } /** * @inheritdoc */ public function run() { if (!isset($this->options['item'])) { $this->options['item'] = [$this, 'renderItem']; } switch ($this->type) { case 'checkbox': if ($this->hasModel()) { return Html::activeCheckboxList($this->model, $this->attribute, $this->items, $this->options); } else { return Html::checkboxList($this->name, $this->value, $this->items, $this->options); } case 'radio': if ($this->hasModel()) { return Html::activeRadioList($this->model, $this->attribute, $this->items, $this->options); } else { return Html::radioList($this->name, $this->value, $this->items, $this->options); } default: throw new InvalidConfigException("Unsupported type '{$this->type}'"); } } /** * Default callback for checkbox/radio list item rendering. * @param int $index item index. * @param string $label item label. * @param string $name input name. * @param bool $checked whether value is checked or not. * @param string $value input value. * @return string generated HTML. * @see Html::checkbox() * @see Html::radio() */ public function renderItem($index, $label, $name, $checked, $value) { $labelOptions = $this->labelOptions; Html::addCssClass($labelOptions, 'btn'); if ($checked) { Html::addCssClass($labelOptions, 'active'); } $type = $this->type; if ($this->encodeLabels) { $label = Html::encode($label); } return Html::$type($name, $checked, ['label' => $label, 'labelOptions' => $labelOptions, 'value' => $value]); } }