Yii2 Bootstrap 3
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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\jui;
use yii\base\InvalidConfigException;
use yii\helpers\base\ArrayHelper;
use yii\helpers\Html;
/**
* Accordion renders an accordion jQuery UI widget.
*
* For example:
*
* ```php
* echo Accordion::widget(array(
* 'items' => array(
* array(
* 'header' => 'Section 1',
* 'content' => 'Mauris mauris ante, blandit et, ultrices a, suscipit eget...',
* ),
* array(
* 'header' => 'Section 2',
* 'headerOptions' => array(...),
* 'content' => 'Sed non urna. Phasellus eu ligula. Vestibulum sit amet purus...',
* 'options' => array(...),
* ),
* ),
* ));
* ```
*
* @see http://api.jqueryui.com/accordion/
* @author Alexander Kochetov <creocoder@gmail.com>
* @since 2.0
*/
class Accordion extends Widget
{
/**
* @var array list of sections in the accordion widget. Each array element represents a single
* section with the following structure:
*
* ```php
* array(
* // required, the header (HTML) of the section
* 'header' => 'Section label',
* // required, the content (HTML) of the section
* 'content' => 'Mauris mauris ante, blandit et, ultrices a, suscipit eget...',
* // optional the HTML attributes of the content section
* 'options'=> array(...),
* // optional the HTML attributes of the header section
* 'headerOptions'=> array(...),
* )
* ```
*/
public $items = array();
/**
* Renders the widget.
*/
public function run()
{
echo Html::beginTag('div', $this->options) . "\n";
echo $this->renderSections() . "\n";
echo Html::endTag('div') . "\n";
$this->registerWidget('accordion');
}
/**
* Renders collapsible sections as specified on [[items]].
* @return string the rendering result.
* @throws InvalidConfigException.
*/
protected function renderSections()
{
$sections = array();
foreach ($this->items as $item) {
if (!isset($item['header'])) {
throw new InvalidConfigException("The 'header' option is required.");
}
$headerOptions = ArrayHelper::getValue($item, 'headerOptions', array());
$sections[] = Html::tag('h3', $item['header'], $headerOptions);
if (!isset($item['content'])) {
throw new InvalidConfigException("The 'content' option is required.");
}
$options = ArrayHelper::getValue($item, 'options', array());
$sections[] = Html::tag('div', $item['content'], $options);;
}
return implode("\n", $sections);
}
}