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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(
* 'Section 1' => array(
* 'content' => 'Mauris mauris ante, blandit et, ultrices a, suscipit eget...',
* 'contentOptions' => array(...),
* ),
* 'Section 2' => array(
* 'content' => 'Sed non urna. Phasellus eu ligula. Vestibulum sit amet purus...',
* 'headerOptions' => array(...),
* ),
* ),
* ));
* ```
*
* @see http://api.jqueryui.com/accordion/
* @author Alexander Kochetov <creocoder@gmail.com>
* @since 2.0
*/
class Accordion extends Widget
{
/**
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* @var array list of sections in the accordion widget. Each array element represents a single
* section with the following structure:
*
* ```php
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* // item key is the actual section header
* 'Section' => array(
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* // required, the content (HTML) of the section
* 'content' => 'Mauris mauris ante, blandit et, ultrices a, suscipit eget...',
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* // optional the HTML attributes of the content section
* 'contentOptions'=> array(...),
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* // 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->renderItems() . "\n";
echo Html::endTag('div') . "\n";
$this->registerWidget('accordion');
}
/**
* Renders collapsible items as specified on [[items]].
* @return string the rendering result.
*/
public function renderItems()
{
$items = array();
foreach ($this->items as $header => $item) {
$items[] = $this->renderItem($header, $item);
}
return implode("\n", $items);
}
/**
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* Renders a single collapsible item section.
* @param string $header a label of the item section [[items]].
* @param array $item a single item from [[items]].
* @return string the rendering result.
* @throws InvalidConfigException.
*/
public function renderItem($header, $item)
{
if (isset($item['content'])) {
$contentOptions = ArrayHelper::getValue($item, 'contentOptions', array());
$content = Html::tag('div', $item['content']) . "\n";
} else {
throw new InvalidConfigException("The 'content' option is required.");
}
$group = array();
$headerOptions = ArrayHelper::getValue($item, 'headerOptions', array());
$group[] = Html::tag('h3', $header, $headerOptions);
$group[] = Html::tag('div', $content, $contentOptions);
return implode("\n", $group);
}
}