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<?php declare(strict_types = 0);
/*
** Zabbix
** Copyright (C) 2001-2023 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
class CMenu extends CTag {
/**
* @var CMenuItem[]
*/
private $menu_items = [];
/**
* Create menu.
*
* @param CMenuItem[] $menu_items Array of menu items.
*/
public function __construct(array $menu_items = []) {
parent::__construct('ul', true);
foreach ($menu_items as $item) {
$this->add($item);
}
}
/**
* Return all menu items.
*
* @return CMenuItem[]
*/
public function getMenuItems(): array {
return $this->menu_items;
}
/**
* Add menu item.
*
* @param CMenuItem $menu_item Menu item object.
*
* @return CMenu
*/
public function add(CMenuItem $menu_item): self {
$this->menu_items[] = $menu_item;
return $this;
}
/**
* Find menu item by label.
*
* @param string $label Visual label.
*
* @return CMenuItem|null
*/
public function find(string $label): ?CMenuItem {
foreach ($this->menu_items as $item) {
if ($item->getLabel() === $label) {
return $item;
}
}
return null;
}
/**
* Find menu item by label or add new one, if not exists.
*
* @param string $label Visual label.
*
* @return CMenuItem
*/
public function findOrAdd(string $label): CMenuItem {
$item = $this->find($label);
if ($item === null) {
$item = new CMenuItem($label);
$this->add($item);
}
return $item;
}
/**
* Find selected menu item.
*
* @return CMenuItem|null
*/
public function findSelected(): ?CMenuItem {
foreach ($this->menu_items as $item) {
if ($item->isSelected()) {
return $item;
}
}
return null;
}
/**
* Insert new menu item after the one with specified label, or insert as the last item, if not found.
*
* @param string $label Visual label to insert item after.
* @param CMenuItem $menu_item Menu item object.
*
* @return CMenu
*/
public function insertAfter(string $label, CMenuItem $menu_item): self {
return $this->insert($label, $menu_item, true);
}
/**
* Insert new menu item before the one with specified label, or insert as the first item, if not found.
*
* @param string $label Visual label to insert item before.
* @param CMenuItem $menu_item Menu item object.
*
* @return CMenu
*/
public function insertBefore(string $label, CMenuItem $menu_item): self {
return $this->insert($label, $menu_item);
}
/**
* Remove menu item by label.
*
* @param string $label Visual label.
*
* @return CMenu
*/
public function remove(string $label): self {
foreach ($this->menu_items as $index => $item) {
if ($item->getLabel() === $label) {
array_splice($this->menu_items, $index, 1);
break;
}
}
return $this;
}
/**
* Deep find menu item by action name and mark the whole chain as selected.
*
* @param string $action_name Action name to search for.
* @param array $request_params Parameters of current HTTP request to compare in search process.
* @param bool $expand Add 'is-expanded' class for selected submenus.
*
* @return bool True, if menu item was selected.
*/
public function setSelectedByAction(string $action_name, array $request_params, bool $expand = false): bool {
foreach ($this->menu_items as $item) {
if ($item->setSelectedByAction($action_name, $request_params)) {
if ($expand && $item->hasSubMenu()) {
$item->addClass('is-expanded');
}
return true;
}
}
return false;
}
private function insert(string $label, CMenuItem $menu_item, $after = false): self {
$count = count($this->menu_items);
for ($i = 0; $i < $count; $i++) {
if ($this->menu_items[$i]->getLabel() === $label) {
break;
}
}
$position = ($count == $i && !$after) ? 0 : $i + (($i < $count && $after) ? 1 : 0);
array_splice($this->menu_items, $position, 0, [$menu_item]);
return $this;
}
public function toString($destroy = true) {
$this->addItem($this->menu_items);
return parent::toString($destroy);
}
}
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