5a739853
 patrick.he
commit
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<?php
//this defines a simple model class for loading basic page data which is read from a json file
class Sidenav {
private $navList = null;
private $active_page = null;
private $breadcrumbs;
public function mark_active_item($active_page) {
$this->active_page = $active_page;
$this->breadcrumbs = array();
if($this->navList) {
$this->mark_items($this->navList , 1);
if( isset($this->breadcrumbs['links']) && !empty($this->breadcrumbs['links']) )
$this->breadcrumbs['links'] = array_reverse($this->breadcrumbs['links']);
}
}
public function set_items(&$navList) {
$this->navList = &$navList;
}
private function mark_items(&$navList, $level) {
$this->reset_items($navList);
$ret = false;
foreach($navList as &$item)
{
$item['icon'] = isset($item['icon']) ? $item['icon'] : false;
//if there is no icon for this item, we set it as false
//otherwise in recursive modes it will lookup the parent's scope and use that one's icon (Mustache only)
$item['class'] = isset($item['class']) ? $item['class'] : false;//same as above
$item['submenu?'] = isset($item['submenu']);//same as above
$item['label'] = isset($item['label']) ? $item['label'] : false;
$item['badge'] = isset($item['badge']) ? $item['badge'] : false;
$item['level-'.$level] = true;//in printing out menu items, we use a partial recursively, but we have different needs for level-1 & level-2, etc items ... so we specify this data with each item
for($l = $level - 1 ; $l > 0 ; $l--) $item['level-'.$l] = false;
//why? because when we have "level-2"=true then parent's "level-1" will also be true,
//and mustache looks up the parent context's value as well, so the part between {{#level-1}}{{/level-1}} will be
//executed even when we are printing level-2 menu items (i.e submenu) recursively
//see views/layouts/partials/default/sidenav/items.mustache
//maybe using something like handlebars with a little bit of logic is better here
//or perhaps not using recursive partials, and a different partial for each other
if($this->active_page != null && $this->active_page == $item['link'])
{
$item['class'] = 'active';
if($item['submenu?']) $item['class'] .= ' no-active-child';//rare case, it means that this item has been directly selected, not a child of it, so it's not opened and take care of the caret using "no-active-child" class
$this->breadcrumbs['title'] = $item['title'];//add the active page's title to breadcrumb object
$ret = true;//this item is active so we return true
}//if current page
if($item['submenu?'])
{
$isOpen = $this->mark_items($item['submenu'] , $level+1);
if($isOpen)
{
$item['class'] = 'active open';//an item in the submenu of this item is active, so set this as "active" & "open"
//create the array if it doesn't exist
if(!isset($this->breadcrumbs['links'])) $this->breadcrumbs['links'] = array();
//add the parent of this active submenu item to the breadcrumbs list
$this->breadcrumbs['links'][] = array('link' => $item['link'] ? '?page='.$item['link'] : '#' , 'title'=>$item['title']);
$ret = true;
}
}//it has submenu
}//for
return $ret;
}
//this navList is used multiple times to produce multiple pages in one place
//therefore we need to reset the classes we assigned to previously "active" or "open" items and recalculate
private function reset_items(&$navList) {
foreach($navList as &$item)
{
$item['class'] = false;
if(isset($item['submenu']))
{
$this->reset_items($item['submenu']);
}
}
}
public function get_breadcrumbs() {
return $this->breadcrumbs;
}
}
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