pronto/plugins/template/navigation.php

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<?php
class tpNavigation extends Plugin
{
        function tpNavigation() {
                $this->Plugin();
                $this->depend('html');
        }

        function menu($config=false, $config_file='navigation.php')
        {
                if(!$config) {
                        require_once(DIR_FS_APP.DS.'config'.DS.$config_file);
                        $config = $NAV_MENU;
                        unset($NAV_MENU);

                        if(defined('MODULES')) {
                                foreach(explode(' ', MODULES) as $modname) {
                                        $modpath = DIR_FS_APP.DS.'modules'.DS.$modname.DS.'config'.DS;
                                        if(file_exists($modpath.$config_file)) {
                                                require_once($modpath.$config_file);
                                                $config += $NAV_MENU;
                                                unset($NAV_MENU);
                                        }
                                }
                        }
                }

                $out = '<ul class="nav">';
                foreach($config as $label=>$item) {
                        $out .= $this->_submenu($label, $item, true);
                }
                $out .= '</ul>';
                return $out;
        }

        function _is_active($menu)
        {
                foreach($menu as $label=>$item) {
                        if(isset($menu['base']) && preg_match("|^{$menu['base']}|", url(CURRENT_URL))) return true;
                        if(isset($item['menu']) && $this->_is_active($item['menu'])) return true;
                        if(isset($item['url']) && $item['url'] == url(CURRENT_URL)) return true;
                }
                return false;
        }

        function _submenu($label, $menu, $toplevel)
        {
                $ret = '';
                if(!empty($menu['access'])) {
                        if(substr($menu['access'], 0, 1) == '!' && a(substr($menu['access'], 1))) return '';
                        if(substr($menu['access'], 0, 1) != '!' && !a($menu['access'])) return '';
                }
                if(isset($menu['menu'])) {
                        // see if any items in our submenu match the current URL; if
                        // so, then give the first-tier tab the "current" class
                        $a = $this->_is_active($menu['menu']) ? 'current' : '';

                        // submenu
                        $ret .= '<li><a href="#" class="'.$a.'">'.$label.'</a>';
                        $ret .= '<ul>';
                        foreach($menu['menu'] as $sublabel=>$subitem) {
                                $ret .= $this->_submenu($sublabel, $subitem, false);
                        }
                        $ret .= '</ul></li>';
                } else if(isset($menu['url'])) {
                        $a = array();
                        if($toplevel) {
                                if(url(CURRENT_URL) == $menu['url']) {
                                        $a['class'] = 'current';
                                } else if(isset($menu['base']) && preg_match("|^{$menu['base']}|", url(CURRENT_URL))) {
                                        $a['class'] = 'current';
                                }
                        }
                        $ret .= '<li>'.$this->depends->html->link($label, $menu['url'], '', false, $a).'</li>';
                } else {
                        // separator
                        $ret .= '<li></li>';
                }
                return $ret;
        }

}

?>

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