<?php

// no direct access
defined( '_VALID_MOS' ) or die( 'Restricted access' );

if (!defined( '_MOS_MAINMENU_MODULE' )) {
    /** ensure that functions are declared only once */
    define( '_MOS_MAINMENU_MODULE', 1 );

    /**
    * Utility function for writing a menu link
    */
    function mosGetMenuLink( $mitem, $level=0, &$params, $open=null ) {
        global $Itemid, $mosConfig_live_site, $mainframe;
        
        $txt = '';
        
        switch ($mitem->type) {
            case 'separator':
            case 'component_item_link':
                break;
                
            case 'url':
                if ( eregi( 'index.php\?', $mitem->link ) && !eregi( 'http', $mitem->link ) && !eregi( 'https', $mitem->link ) ) {
                    if ( !eregi( 'Itemid=', $mitem->link ) ) {
                        $mitem->link .= '&Itemid='. $mitem->id;
                    }
                }
                break;
                
            case 'content_item_link':
            case 'content_typed':
                // load menu params
                $menuparams = new mosParameters( $mitem->params, $mainframe->getPath( 'menu_xml', $mitem->type ), 'menu' );
                
                $unique_itemid = $menuparams->get( 'unique_itemid', 1 );
                
                if ( $unique_itemid ) {
                    $mitem->link .= '&Itemid='. $mitem->id;
                } else {
                    $temp = split('&task=view&id=', $mitem->link);
                    
                    if ( $mitem->type == 'content_typed' ) {
                        $mitem->link .= '&Itemid='. $mainframe->getItemid($temp[1], 1, 0);
                    } else {
                        $mitem->link .= '&Itemid='. $mainframe->getItemid($temp[1], 0, 1);
                    }
                }
                break;

            default:
                $mitem->link .= '&Itemid='. $mitem->id;
                break;
        }

        // Active Menu highlighting
        $current_itemid = $Itemid;
        if ( !$current_itemid ) {
            $id = '';
        } else if ( $current_itemid == $mitem->id ) {
            $id = 'id="active_menu'. $params->get( 'class_sfx' ) .'"';
        } else if( $params->get( 'activate_parent' ) && isset( $open ) && in_array( $mitem->id, $open ) )  {
            $id = 'id="active_menu'. $params->get( 'class_sfx' ) .'"';
        } else {
            $id = '';
        }

        if ( $params->get( 'full_active_id' ) ) {
            // support for `active_menu` of 'Link - Component Item'    
            if ( $id == '' && $mitem->type == 'component_item_link' ) {
                parse_str( $mitem->link, $url );
                if ( $url['Itemid'] == $current_itemid ) {
                    $id = 'id="active_menu'. $params->get( 'class_sfx' ) .'"';
                }
            }
            
            // support for `active_menu` of 'Link - Url' if link is relative
            if ( $id == '' && $mitem->type == 'url' && strpos( 'http', $mitem->link ) === false) {
                parse_str( $mitem->link, $url );
                if ( isset( $url['Itemid'] ) ) {
                    if ( $url['Itemid'] == $current_itemid ) {
                        $id = 'id="active_menu'. $params->get( 'class_sfx' ) .'"';
                    }
                }
            }
        }

        // replace & with amp; for xhtml compliance
        $mitem->link = ampReplace( $mitem->link );

        // run through SEF convertor
        $mitem->link = sefRelToAbs( $mitem->link );

        $menuclass = 'mainlevel'. $params->get( 'class_sfx' );
        if ($level > 0) {
            $menuclass = 'sublevel'. $params->get( 'class_sfx');
        }
        
        // replace & with amp; for xhtml compliance
        // remove slashes from excaped characters
        $mitem->name = stripslashes( ampReplace($mitem->name) );

        switch ($mitem->browserNav) {
            // cases are slightly different
            case 1:
                // open in a new window
                $txt = '<a href="'. $mitem->link .'" target="_blank" class="'. $menuclass .'" '. $id .'>'. $mitem->name .'</a>';
                break;

            case 2:
                // open in a popup window
                $txt = "<a href=\"#\" onclick=\"java script: window.open('". $mitem->link ."', '', 'toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,wid
th=780,height=550'); return false\" class=\"$menuclass\" ". $id .">". $mitem->name ."</a>\n";
                break;

            case 3:
                // don't link it
                $txt = '<span class="'. $menuclass .'" '. $id .'>'. $mitem->name .'</span>';
                break;

            default:    
                // open in parent window
                $txt = '<a href="'. $mitem->link .'" class="'. $menuclass .'" '. $id .'>'. $mitem->name .'</a>';
                break;
        }

        if ( $params->get( 'menu_images' ) ) {
            $menu_params     = new stdClass();
            $menu_params     = new mosParameters( $mitem->params );
            $menu_image     = $menu_params->def( 'menu_image', -1 );
            if ( ( $menu_image != '-1' ) && $menu_image ) {
                $image = '<img src="'. $mosConfig_live_site .'/images/stories/'. $menu_image .'" border="0" alt="'. $mitem->name .'"/>';
                if ( $params->get( 'menu_images_align' ) ) {
                    $txt = $txt .' '. $image;
                } else {
                    $txt = $image .' '. $txt;
                }
            }
        }

        return $txt;
    }

    /**
    * Vertically Indented Menu
    */
    function mosShowVIMenu(  &$params ) {
        global $database, $my, $cur_template, $Itemid;
        global $mosConfig_absolute_path, $mosConfig_live_site, $mosConfig_shownoauth;

        /* If a user has signed in, get their user type */
        $intUserType = 0;
        if($my->gid){
            switch ($my->usertype) {
                case 'Super Administrator':
                    $intUserType = 0;
                    break;

                case 'Administrator':
                    $intUserType = 1;
                    break;

                case 'Editor':
                    $intUserType = 2;
                    break;

                case 'Registered':
                    $intUserType = 3;
                    break;

                case 'Author':
                    $intUserType = 4;
                    break;

                case 'Publisher':
                    $intUserType = 5;
                    break;

                case 'Manager':
                    $intUserType = 6;
                    break;
            }
        } else {
            /* user isn't logged in so make their usertype 0 */
            $intUserType = 0;
        }

        $and = '';
        if ( !$mosConfig_shownoauth ) {
            $and = "\n AND access <= " . (int) $my->gid;
        }        
        $sql = "SELECT m.*"
        . "\n FROM #__menu AS m"
        . "\n WHERE menutype = " . $database->Quote( $params->get( 'menutype' ) )
        . "\n AND published = 1"
        . $and
        . "\n ORDER BY parent, ordering";
        $database->setQuery( $sql );
        $rows = $database->loadObjectList( 'id' );

        // indent icons
        switch ( $params->get( 'indent_image' ) ) {
            case '1':
                // Default images
                $imgpath = $mosConfig_live_site .'/images/M_images';
                for ( $i = 1; $i < 7; $i++ ) {
                    $img[$i] = '<img src="'. $imgpath .'/indent'. $i .'.png" alt="" />';
                }
                break;
                
            case '2':
                // Use Params
                $imgpath = $mosConfig_live_site .'/images/M_images';
                for ( $i = 1; $i < 7; $i++ ) {
                    if ( $params->get( 'indent_image'. $i ) == '-1' ) {
                        $img[$i] = NULL;
                    } else {
                        $img[$i] = '<img src="'. $imgpath .'/'. $params->get( 'indent_image'. $i ) .'" alt="" />';
                    }
                }
                break;
                
            case '3':
                // None
                for ( $i = 1; $i < 7; $i++ ) {
                    $img[$i] = NULL;
                }
                break;
            
            default:
                // Template
                $imgpath = $mosConfig_live_site .'/templates/'. $cur_template .'/images';
                for ( $i = 1; $i < 7; $i++ ) {
                    $img[$i] = '<img src="'. $imgpath .'/indent'. $i .'.png" alt="" />';
                }
                break;
        }

        $indents = array(
            // block prefix / item prefix / item suffix / block suffix
            array( '<table width="100%" border="0" cellpadding="0" cellspacing="0">', '<tr align="left"><td>' , '</td></tr>', '</table>' ),
            array( '', '<div style="padding-left: 4px">'. $img[1] , '</div>', '' ),
            array( '', '<div style="padding-left: 8px">'. $img[2] , '</div>', '' ),
            array( '', '<div style="padding-left: 12px">'. $img[3] , '</div>', '' ),
            array( '', '<div style="padding-left: 16px">'. $img[4] , '</div>', '' ),
            array( '', '<div style="padding-left: 20px">'. $img[5] , '</div>', '' ),
            array( '', '<div style="padding-left: 24px">'. $img[6] , '</div>', '' ),
        );

        // establish the hierarchy of the menu
        $children = array();
        // first pass - collect children
        foreach ($rows as $v ) {
            $pt     = $v->parent;
            $list     = @$children[$pt] ? $children[$pt] : array();
            array_push( $list, $v );
            $children[$pt] = $list;
        }

        // second pass - collect 'open' menus
        $open     = array( $Itemid );
        $count     = 20; // maximum levels - to prevent runaway loop
        $id     = $Itemid;
        
        while (--$count) {
            if (isset($rows[$id]) && $rows[$id]->parent > 0) {
                $id = $rows[$id]->parent;
                $open[] = $id;
            } else {
                break;
            }
        }
        mosRecurseVIMenu( 0, 0, $children, $open, $indents, $params );

    }

/**
    * Utility function to recursively work through a vertically indented
    * hierarchial menu
    */
    function mosRecurseVIMenu( $id, $level, &$children, &$open, &$indents, &$params ) {
        if (@$children[$id]) {
            $n = min( $level, count( $indents )-1 );

            echo "\n".$indents[$n][0];
            foreach ($children[$id] as $row) {

                echo "\n".$indents[$n][1];

                echo mosGetMenuLink( $row, $level, $params, $open );

                // show menu with menu expanded - submenus visible
                if ( !$params->get( 'expand_menu' ) ) {
                    if ( in_array( $row->id, $open )) {
                        mosRecurseVIMenu( $row->id, $level+1, $children, $open, $indents, $params );
                    }
                } else {
                    mosRecurseVIMenu( $row->id, $level+1, $children, $open, $indents, $params );
                }
                echo $indents[$n][2];
            }
            echo "\n".$indents[$n][3];
        }
    }

    /**
    * Draws a horizontal 'flat' style menu (very simple case)
    */
    function mosShowHFMenu(  &$params, $style=0 ) {
        global $database, $my, $cur_template, $Itemid;
        global $mosConfig_absolute_path, $mosConfig_shownoauth;

        $and = '';
        if ( !$mosConfig_shownoauth ) {
            $and = "\n AND access <= " . (int) $my->gid;
        }
        $sql = "SELECT m.*"
        . "\n FROM #__menu AS m"
        . "\n WHERE menutype = " . $database->Quote( $params->get( 'menutype' ) )
        . "\n AND published = 1"
        . $and
        . "\n AND parent = 0"
        . "\n ORDER BY ordering"
    ;
        $database->setQuery( $sql );
        $rows = $database->loadObjectList( 'id' );

        $links = array();
        foreach ($rows as $row) {
            $links[] = mosGetMenuLink( $row, 0, $params );
        }

        $menuclass = 'mainlevel'. $params->get( 'class_sfx' );
        if (count( $links )) {
            switch ($style) {
                case 1:
                    echo '<ul id="'. $menuclass .'">';
                    foreach ($links as $link) {
                        echo '<li>' . $link . '</li>';
                    }
                    echo '</ul>';
                    break;
                
                default:
                    $spacer_start     = $params->get( 'spacer' );
                    $spacer_end     = $params->get( 'end_spacer' );
                    
                    echo '<table width="100%" border="0" cellpadding="0" cellspacing="1">';
                    echo '<tr>';
                        echo '<td nowrap="nowrap">';
                        
                            if ( $spacer_end ) {
                                echo '<span class="'. $menuclass .'"> '. $spacer_end .' </span>';
                            }
                            
                            if ( $spacer_start ) {
                                $html = '<span class="'. $menuclass .'"> '. $spacer_start .' </span>';
                                echo implode( $html, $links );
                            } else {
                                echo implode( '', $links );
                            }
                            
                            if ( $spacer_end ) {
                                echo '<span class="'. $menuclass .'"> '. $spacer_end .' </span>';
                            }
                        
                        echo '</td>';
                    echo '</tr>';
                    echo '</table>';
                    break;
            }
        }
    }
}

$params->def('menutype',             'mainmenu');
$params->def('class_sfx',             '');
$params->def('menu_images',         0);
$params->def('menu_images_align',     0);
$params->def('expand_menu',         0);
$params->def('activate_parent',     0);
$params->def('indent_image',         0);
$params->def('indent_image1',         'indent1.png');
$params->def('indent_image2',         'indent2.png');
$params->def('indent_image3',         'indent3.png');
$params->def('indent_image4',         'indent4.png');
$params->def('indent_image5',         'indent5.png');
$params->def('indent_image6',         'indent.png');
$params->def('spacer',                 '');
$params->def('end_spacer',             '');
$params->def('full_active_id',         0);

switch ( $params->get( 'menu_style', 'vert_indent' ) ) {
    case 'list_flat':
        mosShowHFMenu( $params, 1 );
        break;
    
    case 'horiz_flat':
        mosShowHFMenu( $params, 0 );
        break;
    
    default:
        mosShowVIMenu( $params );
        break;
}
?>