Nav.php
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<?php
/**
* Created by PhpStorm.
* User: stes
* Date: 25.05.18
* Time: 17:55
*/
namespace frontend\widgets;
use yii\helpers\Html;
use yii\helpers\ArrayHelper;
class Nav extends \yii\bootstrap\Nav
{
# метод почти полностью повторяет родительский,
# различия работы см.в return
public function renderItem($item)
{
if (is_string($item)) {
return $item;
}
if (!isset($item['label'])) {
throw new InvalidConfigException("The 'label' option is required.");
}
$encodeLabel = isset($item['encode']) ? $item['encode'] : $this->encodeLabels;
$label = $encodeLabel ? Html::encode($item['label']) : $item['label'];
$options = ArrayHelper::getValue($item, 'options', []);
$items = ArrayHelper::getValue($item, 'items');
$url = ArrayHelper::getValue($item, 'url', '#');
$linkOptions = ArrayHelper::getValue($item, 'linkOptions', []);
if (isset($item['active'])) {
$active = ArrayHelper::remove($item, 'active', false);
} else {
$active = $this->isItemActive($item);
}
if (empty($items)) {
$items = '';
} else {
$linkOptions['data-toggle'] = 'dropdown';
Html::addCssClass($options, ['widget' => 'dropdown']);
Html::addCssClass($linkOptions, ['widget' => 'dropdown-toggle']);
if ($this->dropDownCaret !== '') {
$label .= ' ' . $this->dropDownCaret;
}
if (is_array($items)) {
$items = $this->isChildActive($items, $active);
$items = $this->renderDropdown($items, $item);
}
}
if ($active) {
Html::addCssClass($options, 'active');
}
return ($url!=='')?
Html::tag('li', Html::a($label, $url, $linkOptions) . $items, $options)
: Html::tag('li', Html::a($label, null, $linkOptions) . $items, $options)
;
}
public function init()
{
foreach ($this->items as &$item)
{
if($item['url']===false)$item['url']='';
}
if ($this->route === null && \Yii::$app->controller !== null) {
$this->route = \Yii::$app->controller->getRoute();
}
if ($this->params === null) {
$this->params = \Yii::$app->request->getQueryParams();
}
if ($this->dropDownCaret === null) {
$this->dropDownCaret = '<span class="caret"></span>';
}
Html::addCssClass($this->options, []);
}
}