Menu.php
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<?php
namespace dmstr\widgets;
use Yii;
use yii\helpers\ArrayHelper;
use yii\helpers\Url;
use yii\helpers\Html;
/**
* Class Menu
* Theme menu widget.
*/
class Menu extends \yii\widgets\Menu
{
/**
* @inheritdoc
*/
public $linkTemplate = '<a href="{url}">{icon} {label}</a>';
public $submenuTemplate = "\n<ul class='treeview-menu' {show}>\n{items}\n</ul>\n";
public $activateParents = true;
/**
* @inheritdoc
*/
protected function renderItem($item)
{
if(isset($item['items']))
$linkTemplate = '<a href="{url}">{icon} {label} <i class="fa fa-angle-left pull-right"></i></a>';
else
$linkTemplate = $this->linkTemplate;
if (isset($item['url'])) {
$template = ArrayHelper::getValue($item, 'template', $linkTemplate);
$replace = !empty($item['icon']) ? [
'{url}' => Url::to($item['url']),
'{label}' => '<span>'.$item['label'].'</span>',
'{icon}' => '<i class="' . $item['icon'] . '"></i> '
] : [
'{url}' => Url::to($item['url']),
'{label}' => '<span>'.$item['label'].'</span>',
'{icon}' => null,
];
return strtr($template, $replace);
} else {
$template = ArrayHelper::getValue($item, 'template', $this->labelTemplate);
$replace = !empty($item['icon']) ? [
'{label}' => '<span>'.$item['label'].'</span>',
'{icon}' => '<i class="' . $item['icon'] . '"></i> '
] : [
'{label}' => '<span>'.$item['label'].'</span>',
];
return strtr($template, $replace);
}
}
/**
* Recursively renders the menu items (without the container tag).
* @param array $items the menu items to be rendered recursively
* @return string the rendering result
*/
protected function renderItems($items)
{
$n = count($items);
$lines = [];
foreach ($items as $i => $item) {
$options = array_merge($this->itemOptions, ArrayHelper::getValue($item, 'options', []));
$tag = ArrayHelper::remove($options, 'tag', 'li');
$class = [];
if ($item['active']) {
$class[] = $this->activeCssClass;
}
if ($i === 0 && $this->firstItemCssClass !== null) {
$class[] = $this->firstItemCssClass;
}
if ($i === $n - 1 && $this->lastItemCssClass !== null) {
$class[] = $this->lastItemCssClass;
}
if (!empty($class)) {
if (empty($options['class'])) {
$options['class'] = implode(' ', $class);
} else {
$options['class'] .= ' ' . implode(' ', $class);
}
}
$menu = $this->renderItem($item);
if (!empty($item['items'])) {
$menu .= strtr($this->submenuTemplate, [
'{show}' => $item['active'] ? "style='display: block'" : '',
'{items}' => $this->renderItems($item['items']),
]);
}
$lines[] = Html::tag($tag, $menu, $options);
}
return implode("\n", $lines);
}
/**
* @inheritdoc
*/
protected function normalizeItems($items, &$active)
{
foreach ($items as $i => $item) {
if (isset($item['visible']) && !$item['visible']) {
unset($items[$i]);
continue;
}
if (!isset($item['label'])) {
$item['label'] = '';
}
$encodeLabel = isset($item['encode']) ? $item['encode'] : $this->encodeLabels;
$items[$i]['label'] = $encodeLabel ? Html::encode($item['label']) : $item['label'];
$items[$i]['icon'] = isset($item['icon']) ? $item['icon'] : '';
$hasActiveChild = false;
if (isset($item['items'])) {
$items[$i]['items'] = $this->normalizeItems($item['items'], $hasActiveChild);
if (empty($items[$i]['items']) && $this->hideEmptyItems) {
unset($items[$i]['items']);
if (!isset($item['url'])) {
unset($items[$i]);
continue;
}
}
}
if (!isset($item['active'])) {
if ($this->activateParents && $hasActiveChild || $this->activateItems && $this->isItemActive($item)) {
$active = $items[$i]['active'] = true;
} else {
$items[$i]['active'] = false;
}
} elseif ($item['active']) {
$active = true;
}
}
return array_values($items);
}
/**
* Checks whether a menu item is active.
* This is done by checking if [[route]] and [[params]] match that specified in the `url` option of the menu item.
* When the `url` option of a menu item is specified in terms of an array, its first element is treated
* as the route for the item and the rest of the elements are the associated parameters.
* Only when its route and parameters match [[route]] and [[params]], respectively, will a menu item
* be considered active.
* @param array $item the menu item to be checked
* @return boolean whether the menu item is active
*/
protected function isItemActive($item)
{
if (isset($item['url']) && is_array($item['url']) && isset($item['url'][0])) {
$route = $item['url'][0];
if ($route[0] !== '/' && Yii::$app->controller) {
$route = Yii::$app->controller->module->getUniqueId() . '/' . $route;
}
$arrayRoute = explode('/', ltrim($route, '/'));
$arrayThisRoute = explode('/', $this->route);
if ($arrayRoute[0] !== $arrayThisRoute[0]) {
return false;
}
if (isset($arrayRoute[1]) && $arrayRoute[1] !== $arrayThisRoute[1]) {
return false;
}
if (isset($arrayRoute[2]) && $arrayRoute[2] !== $arrayThisRoute[2]) {
return false;
}
unset($item['url']['#']);
if (count($item['url']) > 1) {
foreach (array_splice($item['url'], 1) as $name => $value) {
if ($value !== null && (!isset($this->params[$name]) || $this->params[$name] != $value)) {
return false;
}
}
}
return true;
}
return false;
}
}