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<?php
/**
* @package yii2-krajee-base
* @author Kartik Visweswaran <kartikv2@gmail.com>
* @copyright Copyright © Kartik Visweswaran, Krajee.com, 2014 - 2019
* @version 2.0.5
*/
namespace kartik\base;
use yii\helpers\ArrayHelper;
use yii\helpers\Html;
/**
* AddonTrait includes methods to render addons based on `addon` setting
*
* @property array $addon
*
* @author Kartik Visweswaran <kartikv2@gmail.com>
*/
trait AddonTrait
{
/**
* Parses and returns addon content.
*
* @param string $type the addon type `prepend` or `append`. If any other value is set, it will default to `prepend`
* @param bool $isBs4 whether addon is to be rendered for Bootstrap 4.x version
* @return string
*/
protected function getAddonContent($type, $isBs4)
{
$addon = ArrayHelper::getValue($this->addon, $type, '');
if (!is_array($addon)) {
return $addon;
}
if (isset($addon['content'])) {
$out = static::renderAddonItem($addon, $isBs4);
} else {
$out = '';
foreach ($addon as $item) {
if (is_array($item) && isset($item['content'])) {
$out .= static::renderAddonItem($item, $isBs4);
}
}
}
if (!$isBs4) {
return $out;
}
$pos = $type === 'append' ? 'append' : 'prepend';
return Html::tag('div', $out, ['class' => "input-group-{$pos}"]);
}
/**
* Renders an addon item based on its configuration
*
* @param array $config the addon item configuration
* @param bool $isBs4 whether addon is to be rendered for Bootstrap 4.x version
* @return string
*/
protected static function renderAddonItem($config, $isBs4)
{
$content = ArrayHelper::getValue($config, 'content', '');
$options = ArrayHelper::getValue($config, 'options', []);
$asButton = ArrayHelper::getValue($config, 'asButton', false);
if (!$isBs4) {
Html::addCssClass($options, 'input-group-' . ($asButton ? 'btn' : 'addon'));
return Html::tag('span', $content, $options);
}
if ($asButton) {
return $content;
}
Html::addCssClass($options, 'input-group-text');
return Html::tag('span', $content, $options);
}
}