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107 lines
3.1 KiB
107 lines
3.1 KiB
10 years ago
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<?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\bootstrap;
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use yii\base\InvalidConfigException;
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/**
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* ToggleButtonGroup allows rendering form inputs Checkbox/Radio toggle button groups.
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*
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* You can use this widget in an [[yii\bootstrap\ActiveForm|ActiveForm]] using the [[yii\widgets\ActiveField::widget()|widget()]]
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* method, for example like this:
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*
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* ```php
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* <?= $form->field($model, 'item_id')->widget(\yii\bootstrap\ToggleButtonGroup::classname(), [
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* // configure additional widget properties here
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* ]) ?>
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* ```
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*
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* @see http://getbootstrap.com/javascript/#buttons-checkbox-radio
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*
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* @author Paul Klimov <klimov.paul@gmail.com>
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* @since 2.0.5
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*/
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class ToggleButtonGroup extends InputWidget
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{
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/**
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* @var string input type, can be:
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* - 'checkbox'
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* - 'radio'
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*/
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public $type;
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/**
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* @var array the data item used to generate the checkboxes.
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* The array values are the labels, while the array keys are the corresponding checkbox or radio values.
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*/
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public $items = [];
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/**
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* @var array, the HTML attributes for the label (button) tag.
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* @see Html::checkbox()
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* @see Html::radio()
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*/
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public $labelOptions = [];
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/**
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* @var boolean whether the items labels should be HTML-encoded.
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*/
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public $encodeLabels = true;
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/**
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* @inheritdoc
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*/
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public function init()
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{
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parent::init();
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$this->registerPlugin('button');
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Html::addCssClass($this->options, 'btn-group');
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$this->options['data-toggle'] = 'buttons';
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}
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/**
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* @inheritdoc
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*/
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public function run()
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{
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if (!isset($this->options['item'])) {
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$this->options['item'] = [$this, 'renderItem'];
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}
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switch ($this->type) {
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case 'checkbox' :
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return Html::activeCheckboxList($this->model, $this->attribute, $this->items, $this->options);
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case 'radio':
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return Html::activeRadioList($this->model, $this->attribute, $this->items, $this->options);
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default:
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throw new InvalidConfigException("Unsupported type '{$this->type}'");
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}
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}
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/**
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* Default callback for checkbox/radio list item rendering.
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* @param integer $index item index.
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* @param string $label item label.
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* @param string $name input name.
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* @param boolean $checked whether value is checked or not.
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* @param string $value input value.
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* @return string generated HTML.
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* @see Html::checkbox()
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* @see Html::radio()
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*/
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public function renderItem($index, $label, $name, $checked, $value)
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{
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$labelOptions = $this->labelOptions;
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Html::addCssClass($labelOptions, 'btn');
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if ($checked) {
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Html::addCssClass($labelOptions, 'active');
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}
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$type = $this->type;
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if ($this->encodeLabels) {
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$label = Html::encode($label);
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}
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return Html::$type($name, $checked, ['label' => $label, 'labelOptions' => $labelOptions, 'value' => $value]);
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}
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}
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