Added Yiistrap
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171
www/protected/extensions/bootstrap/widgets/TbNav.php
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171
www/protected/extensions/bootstrap/widgets/TbNav.php
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<?php
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/**
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* TbNav class file.
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* @author Christoffer Niska <christoffer.niska@gmail.com>
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* @copyright Copyright © Christoffer Niska 2013-
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* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
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* @package bootstrap.widgets
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*/
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/**
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* Bootstrap navigation menu widget.
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* @see http://twitter.github.com/bootstrap/components.html#navbar
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*/
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class TbNav extends CWidget
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{
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/**
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* @var string the menu type.
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*/
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public $type;
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/**
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* @var boolean whether the menu items should be stacked on top of each other.
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*/
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public $stacked = false;
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/**
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* @var string|array the scrollspy target or configuration.
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*/
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public $scrollspy;
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/**
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* @var array list of menu items. Each menu item is specified as an array of name-value pairs.
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*/
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public $items = array();
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/**
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* @var boolean whether the labels for menu items should be HTML-encoded. Defaults to true.
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*/
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public $encodeLabel = true;
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/**
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* @var boolean whether to automatically activate items according to whether their route setting
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* matches the currently requested route. Defaults to true.
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*/
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public $activateItems = true;
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/**
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* @var boolean whether to activate parent menu items when one of the corresponding child menu items is active.
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*/
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public $activateParents = false;
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/**
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* @var boolean whether to hide empty menu items.
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*/
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public $hideEmptyItems = true;
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/**
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* @var array HTML attributes for the menu's root container tag.
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*/
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public $htmlOptions = array();
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// todo: consider supporting these.
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//public $submenuHtmlOptions = array();
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//public $linkLabelWrapper;
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//public $linkLabelWrapperHtmlOptions=array();
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//public $itemCssClass;
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/**
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* Initializes the widget.
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*/
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public function init()
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{
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$this->attachBehavior('TbWidget', new TbWidget);
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$this->copyId();
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$route = $this->controller->getRoute();
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if ($this->stacked) {
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TbHtml::addCssClass('nav-stacked', $this->htmlOptions);
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}
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if (isset($this->scrollspy)) {
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if (is_string($this->scrollspy)) {
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$this->scrollspy = array('target' => $this->scrollspy);
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}
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$this->widget('bootstrap.widgets.TbScrollspy', $this->scrollspy);
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}
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$this->items = $this->normalizeItems($this->items, $route, $hasActiveChild);
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}
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/**
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* Runs the widget.
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*/
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public function run()
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{
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if (!empty($this->items)) {
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echo TbHtml::nav($this->type, $this->items, $this->htmlOptions);
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}
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}
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/**
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* Normalizes the menu items.
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* @param array $items the items to be normalized.
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* @param string $route the route of the current request.
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* @param boolean $active whether there is an active child menu item.
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* @return array the normalized menu items.
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*/
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protected function normalizeItems($items, $route, &$active)
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{
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foreach ($items as $i => $item) {
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// skip dividers
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if (is_string($item)) {
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continue;
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}
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if (isset($item['visible']) && !$item['visible']) {
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unset($items[$i]);
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continue;
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}
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TbArray::defaultValue('label', '', $item);
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if ($this->encodeLabel) {
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$items[$i]['label'] = CHtml::encode($item['label']);
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}
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$hasActiveChild = false;
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if (isset($item['items']) && !empty($item['items'])) {
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$items[$i]['items'] = $this->normalizeItems($item['items'], $route, $hasActiveChild);
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if (empty($items[$i]['items']) && $this->hideEmptyItems) {
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unset($items[$i]['items']);
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if (!isset($item['url'])) {
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unset($items[$i]);
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continue;
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}
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}
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}
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if (!isset($item['active'])) {
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if ($this->activateParents && $hasActiveChild || $this->activateItems && $this->isItemActive(
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$item,
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$route
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)
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) {
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$active = $items[$i]['active'] = true;
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} else {
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$items[$i]['active'] = false;
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}
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} else {
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if ($item['active']) {
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$active = true;
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}
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}
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}
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return array_values($items);
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}
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/**
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* Checks whether a menu item is active.
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* @param array $item the menu item to be checked.
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* @param string $route the route of the current request.
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* @return boolean whether the menu item is active.
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*/
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protected function isItemActive($item, $route)
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{
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if (isset($item['url']) && is_array($item['url']) && !strcasecmp(trim($item['url'][0], '/'), $route)) {
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unset($item['url']['#']);
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if (count($item['url']) > 1) {
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foreach (array_splice($item['url'], 1) as $name => $value) {
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if (!isset($_GET[$name]) || $_GET[$name] != $value) {
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return false;
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}
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}
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}
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return true;
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}
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return false;
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}
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}
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