/codefight-cms/codefight/app/libraries/Cf_menu_lib.php

<?php
//If BASEPATH is not defined, simply exit.
if (!defined('BASEPATH')) {
    exit('No direct script access allowed');
}

/*
	>menu_id | menu_active | menu_parent_id | menu_link
	>menu_title | menu_type | menu_meta_title | menu_meta_keywords
	>menu_meta_description | menu_sort
	
	Parameters that can be passed in an array:
	$parameters = array (
					'ul_param' => 'class="xyz"...',
					'li_param' => '...',
					'a_param' => '...',
					)

	multi level menu created for codefight cms by damodar bashyal
	visit codefight.org
*/
class Cf_menu_lib
{

    var $CI;
    var $menu;
    var $counter;
    var $holder;
    var $menu_type;
    var $ul_param;
    var $li_param;
    var $a_param;
    var $rtn = FALSE;
    var $menu_list;
    var $echo_list;
    var $last_id;
    var $is_last;
    var $reduce_space;

    function _reset()
    {
        $this->CI =& get_instance();
        $this->menu = array();
        $this->counter = 0;
        $this->holder = array();
        $this->menu_type = 'page';
        $this->is_last = FALSE;
        $this->reduce_space = TRUE;
    }

    function get($parameters = array('menu_type' => 'page'), $rtn = FALSE)
    {

        $this->_reset();

        if (!is_array($parameters)) $parameters = array($parameters);

        foreach ($parameters as $k => $v)
        {
            $this->$k = $v;
        }

        //Do you want to get menu as array item
        $this->rtn = $rtn;

        $this->echo_list = ''; //reset to empty. b'coz found some issue.

        $this->CI->db->where('menu_type', $this->menu_type);

        //if it is to be return for admin menu, don't check if it is active
        if (!$rtn) {
            $this->CI->db->where('menu_active', 1);

            if (defined('CFWEBSITEID')) {
                $this->CI->db->like('websites_id', ',' . CFWEBSITEID . ',');
            }
        }

        $this->CI->db->order_by('menu_sort', 'asc');
        $query = $this->CI->db->get('menu');

        $rows = $query->result_array();

        return $this->_prepare($rows);
    }

    function _prepare($data = array())
    {
        //if $data is no array, return false
        if (!is_array($data) || empty($data)) return false;

        $menu_array = array();
        $this->last_id = 0;

        //Group Menu By Parent ID.
        //Top Level Menu has always parent ID = 0
        foreach ($data as $v) {
            $this->menu[$v['menu_parent_id']][$v['menu_id']] = array(
                'title' => $v['menu_title'],
                'url' => $v['menu_link'],
                'id' => $v['menu_id'],
                'websites_id' => $v['websites_id']);

            $this->last_id = $v['menu_id'];
        }

        $this->menu[0][0]['id'] = 0; //last item::needed until fix found

        //array_pop($this->menu[0]);
        //$this->last_id = $this->last_id['']
        //print_r($this->last_id);

        return $this->_list();
    }

    function _list($child = array(), $space = 0)
    {
        //if $menu is no array or empty, return false
        if (!is_array($this->menu) || empty($this->menu)) return FALSE;

        $this->reduce_space = false;

        //Top Level Menu has always parent ID = 0
        if ((isset($this->menu[0]) && is_array($this->menu[0])) || (is_array($child) && !empty($child))) {
            //increment counter
            $this->counter++;

            //set current menu data array to holder
            $this->holder[$this->counter] = (is_array($child) && !empty($child)) ? $child : $this->menu[0];

            //get|set params
            $ul_param = $li_param = $a_param = ' class=""';
            if (!empty($this->li_param)) $li_param = ' ' . $this->li_param;
            if (!empty($this->a_param)) $a_param = ' ' . $this->a_param;
            if ($this->counter === 1 && !empty($this->ul_param)) {
                if (preg_match('/class=".*"/', $this->ul_param))
                    $this->ul_param = preg_replace('/class="(.*)"/', 'class="$1 cfm_level' . $this->counter . '"', $this->ul_param);
                $ul_param = ' ' . $this->ul_param;
            }
            else {
                $ul_param = ' class="cfm_level' . $this->counter . '"';
            }

            $this->echo_list .= "\n" . str_repeat(' ', $space) . "<ul$ul_param>";
            //parent menu list
            foreach ($this->holder[$this->counter] as $v)
            {
                if ($v['id'] == 0) $this->is_last = TRUE; //Check to see if it is last one

                if ($v['id'] > 0) {
                    //menu lists
                    if ($v['id'] == $this->last_id) {
                        //add class last
                        $li_param = str_replace('class="', 'class="last ', $li_param);
                    }

                    $this->echo_list .= "\n" . str_repeat(' ', ($space + 3)) . "<li{$li_param}>";
                    $this->echo_list .= "\n" . str_repeat(' ', ($space + 6));

                    if (preg_match('@(http(s)?:\/\/|javascript::void\(0\);)@', $v['url'])) {
                        $this->echo_list .= '<a' . $a_param . ' href="' . $v['url'] . '">' . $v['title'] . '</a>';
                    }
                    else
                    {
                        if ($this->menu_type != 'page')
                            $this->echo_list .= anchor($this->menu_type . '/c/' . $v['url'], $v['title'], $a_param);
                        else
                            $this->echo_list .= anchor($v['url'], $v['title'], $a_param);


                    }

                    if ($this->rtn) {
                        //START:: return menu item as array
                        $this->menu_list[$v['id']] = array(
                            'id' => $v['id'],
                            'title' => str_repeat('-', $space) . $v['title'],
                            'url' => $v['url'],
                            'websites_id' => $v['websites_id']
                        );
                        //END::
                    }

                    if (isset($this->menu[$v['id']])) {
                        $this->_list($this->menu[$v['id']], $space + 6);
                        $this->reduce_space = false;
                    } else {
                        $this->reduce_space = true;
                    }

                    $this->echo_list .= "\n" . str_repeat(' ', ($space + 3)) . "</li>";
                }
            }

            if ($this->counter > 1) $this->counter--; //taking level counter back to previous one.

            $this->echo_list .= "\n" . str_repeat(' ', $space) . "</ul>";

            //just to make it look nice
            if ($this->reduce_space)
                if ($space >= 3) $space = $space - 3;

            if ($this->is_last) { //if all menu listed return or echo
                if ($this->rtn) { //if return=true for array | used for admin menu manager
                    return $this->menu_list;
                } else {
                    return $this->echo_list;
                }
            }
        }
    }
}

?>