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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\widgets; |
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use Yii; |
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use yii\base\InvalidConfigException; |
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use yii\base\Widget; |
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use yii\data\Sort; |
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use yii\helpers\Html; |
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/** |
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* LinkSorter renders a list of sort links for the given sort definition. |
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* |
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* LinkSorter will generate a hyperlink for every attribute declared in [[sort]]. |
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* |
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* For more details and usage information on LinkSorter, see the [guide article on sorting](guide:output-sorting). |
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* |
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* @author Qiang Xue <[email protected]> |
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* @since 2.0 |
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*/ |
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class LinkSorter extends Widget |
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{ |
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/** |
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* @var Sort the sort definition |
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*/ |
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public $sort; |
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/** |
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* @var array list of the attributes that support sorting. If not set, it will be determined |
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* using [[Sort::attributes]]. |
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*/ |
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public $attributes; |
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/** |
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* @var array HTML attributes for the sorter container tag. |
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* @see \yii\helpers\Html::ul() for special attributes. |
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* @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered. |
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*/ |
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public $options = ['class' => 'sorter']; |
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/** |
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* @var array HTML attributes for the link in a sorter container tag which are passed to [[Sort::link()]]. |
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* @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered. |
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* @since 2.0.6 |
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*/ |
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public $linkOptions = []; |
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/** |
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* Initializes the sorter. |
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*/ |
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public function init() |
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{ |
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parent::init(); |
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if ($this->sort === null) { |
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throw new InvalidConfigException('The "sort" property must be set.'); |
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} |
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} |
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/** |
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* Executes the widget. |
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* This method renders the sort links. |
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* @return string the result of widget execution to be outputted. |
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*/ |
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public function run() |
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{ |
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return $this->renderSortLinks(); |
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} |
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/** |
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* Renders the sort links. |
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* @return string the rendering result |
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*/ |
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protected function renderSortLinks() |
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{ |
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$attributes = empty($this->attributes) ? array_keys($this->sort->attributes) : $this->attributes; |
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$links = []; |
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foreach ($attributes as $name) { |
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$links[] = $this->sort->link($name, $this->linkOptions); |
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} |
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return Html::ul($links, array_merge($this->options, ['encode' => false])); |
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} |
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} |
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yiisoft /
yii2
