menu.php

См. документацию.

<?php

 
IncludeModuleLangFile(__FILE__);
 
class CMenu
{
    var $type = "left";
    var $arMenu = array();
    var $bMenuCalc = false;
    var $MenuDir = "";
    var $MenuExtDir = "";
    var $MenuTemplate = "";
    var $template = "";
    var $LAST_ERROR = "";
    var $debug = null;
 
    public function __construct($type="left")
    {
        $this->type = $type;
    }
 
    function disableDebug()
    {
        $this->debug = false;
    }
 
    function Init($InitDir, $bMenuExt=false, $template=false, $onlyCurrentDir=false)
    {
        global $USER;
        if(
            $this->debug !== false
            && \Bitrix\Main\Application::getInstance()->getKernelSession()["SESS_SHOW_INCLUDE_TIME_EXEC"] == "Y"
            && (
                $USER->IsAdmin()
                || \Bitrix\Main\Application::getInstance()->getKernelSession()["SHOW_SQL_STAT"]=="Y"
            )
        )
        {
            $this->debug = new CDebugInfo(false);
            $this->debug->Start();
        }
 
        $io = CBXVirtualIo::GetInstance();
 
        $aMenuLinks = array();
        $bFounded = false;
        if($template === false)
            $sMenuTemplate = '';
        else
            $sMenuTemplate = $template;
 
        $InitDir = str_replace("\\", "/", $InitDir);
        $Dir = $InitDir;
 
        $site_dir = false;
        if(defined("SITE_DIR") && SITE_DIR <> '')
        {
            $site_dir = SITE_DIR;
        }
        elseif(array_key_exists("site", $_REQUEST) && $_REQUEST["site"] <> '')
        {
            $rsSites = CSite::GetByID($_REQUEST["site"]);
            if($arSite = $rsSites->Fetch())
                $site_dir = $arSite["DIR"];
        }
 
        while($Dir <> '')
        {
            if($site_dir !== false && (mb_strlen(trim($Dir, "/")) < mb_strlen(trim($site_dir, "/"))))
                break;
 
            $Dir = rtrim($Dir, "/");
            $menu_file_name = $io->CombinePath($_SERVER["DOCUMENT_ROOT"], $Dir, ".".$this->type.".menu.php");
 
            if($io->FileExists($menu_file_name))
            {
                include($io->GetPhysicalName($menu_file_name));
                $this->MenuDir = $Dir."/";
                $this->arMenu = $aMenuLinks;
                $this->template = $sMenuTemplate;
                $bFounded = true;
                break;
            }
 
            if($Dir == "")
                break;
 
            $pos = bxstrrpos($Dir, "/");
            if($pos===false || $onlyCurrentDir == true)
                break;
 
            $Dir = mb_substr($Dir, 0, $pos + 1);
        }
 
        if($bMenuExt)
        {
            $Dir = $InitDir;
            while($Dir <> '')
            {
                if($site_dir !== false && (mb_strlen(trim($Dir, "/")) < mb_strlen(trim($site_dir, "/"))))
                    break;
 
                $Dir = rtrim($Dir, "/");
                $menu_file_name = $io->CombinePath($_SERVER["DOCUMENT_ROOT"], $Dir, ".".$this->type.".menu_ext.php");
 
                if($io->FileExists($menu_file_name))
                {
                    include($io->GetPhysicalName($menu_file_name));
                    if(!$bFounded)
                        $this->MenuDir = $Dir."/";
 
                    $this->MenuExtDir = $Dir."/";
                    $this->arMenu = $aMenuLinks;
                    $this->template = $sMenuTemplate;
                    $bFounded = true;
                    break;
                }
 
                if($Dir == "")
                    break;
 
                $pos = bxstrrpos($Dir, "/");
                if($pos===false || $onlyCurrentDir == true)
                    break;
 
                $Dir = mb_substr($Dir, 0, $pos + 1);
            }
        }
 
        return $bFounded;
    }
 
    function RecalcMenu($bMultiSelect = false, $bCheckSelected = true)
    {
        if($this->bMenuCalc !== false)
            return true;

        global $USER, $DB, $APPLICATION, $CACHE_MANAGER;
 
        $result = array();
 
        $cur_page = $APPLICATION->GetCurPage(true);
        $cur_page_no_index = $APPLICATION->GetCurPage(false);
 
        $APPLICATION->_menu_recalc_counter++;
 
        $this->bMenuCalc = true;
 
        if($this->template <> '' && file_exists($_SERVER["DOCUMENT_ROOT"].$this->template))
        {
            $this->MenuTemplate = $_SERVER["DOCUMENT_ROOT"].$this->template;
        }
        else
        {
            if(defined("SITE_TEMPLATE_PATH") && file_exists($_SERVER["DOCUMENT_ROOT"].SITE_TEMPLATE_PATH."/".$this->type.".menu_template.php"))
            {
                $this->template = SITE_TEMPLATE_PATH."/".$this->type.".menu_template.php";
                $this->MenuTemplate = $_SERVER["DOCUMENT_ROOT"].$this->template;
            }
            elseif(file_exists($_SERVER["DOCUMENT_ROOT"].BX_PERSONAL_ROOT."/php_interface/".LANG."/".$this->type.".menu_template.php"))
            {
                $this->template = BX_PERSONAL_ROOT."/php_interface/".LANG."/".$this->type.".menu_template.php";
                $this->MenuTemplate = $_SERVER["DOCUMENT_ROOT"].$this->template;
            }
            else
            {
                $this->template = BX_PERSONAL_ROOT."/templates/.default/".$this->type.".menu_template.php";
                $this->MenuTemplate = $_SERVER["DOCUMENT_ROOT"].$this->template;
            }
        }
 
        if(!file_exists($this->MenuTemplate))
        {
            $this->LAST_ERROR = "Template ".$this->MenuTemplate." is not found.";
            return false;
        }
 
        $arMenuCache = [];
        $bCached = false;
        $bCacheIsAllowed = CACHED_menu!==false && !$USER->IsAuthorized() && $this->MenuExtDir == '';
        if($bCacheIsAllowed)
        {
            $cache_id = $_SERVER["DOCUMENT_ROOT"].",".$this->MenuDir.",,".$this->type;
            if($CACHE_MANAGER->Read(CACHED_menu, $cache_id, "menu"))
            {
                $arMenuCache = $CACHE_MANAGER->Get($cache_id);
                $bCached = true;
            }
        }
 
        $arUserRights = $USER->GetAccessCodes();
        $ITEM_INDEX = -1;
 
        $cur_selected = -1;
        $cur_selected_len = -1;
        $previousDepthLevel = -1;
        $arParents = array(); //Stack of menu items
 
        foreach($this->arMenu as $iMenuItem=>$MenuItem)
        {
            $TEXT = $MenuItem[0];
 
            if($bCached)
            {
                $LINK = $arMenuCache[$iMenuItem]["LINK"];
            }
            else
            {
                //if the link is relative let's transform it to absolute
                if(!preg_match("'^(([A-Za-z]+://)|mailto:|javascript:|#)'i", $MenuItem[1]))
                {
                    $LINK = Rel2Abs($this->MenuDir, $MenuItem[1]);
                }
                else
                {
                    $LINK = $MenuItem[1];
                }
                $arMenuCache[$iMenuItem]["LINK"] = $LINK;
            }
 
            $bSkipMenuItem = false;
            $ADDITIONAL_LINKS = $MenuItem[2] ?? [];
            $PARAMS = $MenuItem[3] ?? [];
 
            //Calculate menu items stack for iblock items only
            if($this->MenuExtDir <> '' && is_array($PARAMS) && isset($PARAMS["FROM_IBLOCK"]))
            {
                if($previousDepthLevel == -1)
                    $previousDepthLevel = $PARAMS["DEPTH_LEVEL"];
 
                if($PARAMS["DEPTH_LEVEL"] > $previousDepthLevel)
                {
                    //Deeper into sections tree
                    if($iMenuItem > 0)
                        $arParents[] = array("INDEX" => $iMenuItem-1, "DEPTH_LEVEL" => $PARAMS["DEPTH_LEVEL"]);
                }
                else
                {
                    //Unwind parents stack
                    while(
                        !empty($arParents)
                        && $arParents[count($arParents)-1]["DEPTH_LEVEL"] > $PARAMS["DEPTH_LEVEL"]
                    )
                    {
                        array_pop($arParents);
                    }
                }
                $previousDepthLevel = $PARAMS["DEPTH_LEVEL"];
            }
            elseif($previousDepthLevel != -1)
            {
                //End of tree, so reset the stack
                $previousDepthLevel = -1;
                $arParents = array();
            }
 
 
            if(count($MenuItem)>4)
            {
                $CONDITION = $MenuItem[4];
                if($CONDITION <> '' && (!eval("return ".$CONDITION.";")))
                    $bSkipMenuItem = true;
            }
 
            if(!$bSkipMenuItem)
                $ITEM_INDEX++;
 
            if((mb_strpos($LINK, "?"))!==false)
                $ITEM_TYPE = "U";
            elseif(str_ends_with($LINK, "/"))
                $ITEM_TYPE = "D";
            else
                $ITEM_TYPE = "P";
 
            $SELECTED = false;
 
            if($bCached)
            {
                $all_links = $arMenuCache[$iMenuItem]["LINKS"];
                if(!is_array($all_links))
                    $all_links = array();
            }
            else
            {
                $all_links = array();
                if(is_array($ADDITIONAL_LINKS))
                {
                    foreach($ADDITIONAL_LINKS as $link)
                    {
                        $tested_link = trim(Rel2Abs($this->MenuDir, $link));
                        if($tested_link <> '')
                            $all_links[] = $tested_link;
                    }
                }
                $all_links[] = $LINK;
                $arMenuCache[$iMenuItem]["LINKS"] = $all_links;
            }
 
            if(preg_match("'^(([A-Za-z]+://)|mailto:|javascript:|#)'i", $MenuItem[1]))
            {
                $PERMISSION = "Z";
            }
            else
            {
                if(!$bSkipMenuItem && $bCheckSelected)
                {
                    foreach($all_links as $tested_link)
                    {
                        if($tested_link == '')
                            continue;
 
                        $SELECTED = self::IsItemSelected($tested_link, $cur_page, $cur_page_no_index);
                        if($SELECTED)
                            break;
                    }
                }
 
                if($bCached)
                    $PERMISSION = $arMenuCache[$iMenuItem]["PERM"];
                else
                    $arMenuCache[$iMenuItem]["PERM"] = $PERMISSION = $APPLICATION->GetFileAccessPermission(GetFileFromURL($LINK), $arUserRights);
            }
 
            if($SELECTED && !$bMultiSelect)
            {
                $new_len = mb_strlen($tested_link);
                if($new_len > $cur_selected_len)
                {
                    if($cur_selected !== -1)
                        $result[$cur_selected]['SELECTED'] = false;
 
                    $cur_selected = count($result);
                    $cur_selected_len = $new_len;
                }
                else
                {
                    $SELECTED = false;
                }
            }
 
            //Adjust selection for iblock sections tree
            if(
                $SELECTED
                && $this->MenuExtDir <> ''
                && is_array($PARAMS)
                && isset($PARAMS["FROM_IBLOCK"])
            )
            {
                foreach($arParents as $parentMenuItem)
                {
                    $parentIndex = $parentMenuItem["INDEX"];
                    if(
                        is_array($result[$parentIndex]["PARAMS"])
                        && isset($result[$parentIndex]["PARAMS"]["FROM_IBLOCK"])
                    )
                        $result[$parentIndex]["SELECTED"] = true;
                }
            }
 
            if(!$bSkipMenuItem)
            {
                $r = array(
                    "TEXT" => $TEXT,
                    "LINK" => $LINK,
                    "SELECTED" => $SELECTED,
                    "PERMISSION" => $PERMISSION,
                    "ADDITIONAL_LINKS" => $ADDITIONAL_LINKS,
                    "ITEM_TYPE" => $ITEM_TYPE,
                    "ITEM_INDEX" => $ITEM_INDEX,
                    "PARAMS" => $PARAMS
                );
 
                $result[] = $r;
            }
        }
 
        $this->arMenu = $result;
 
        if($bCacheIsAllowed && !$bCached)
        {
            $CACHE_MANAGER->Set($cache_id, $arMenuCache);
        }
 
        return true;
    }
 
    public static function IsItemSelected($tested_link, $cur_page, $cur_page_no_index)
    {
        //"/admin/"
        //"/admin/index.php"
        //"/admin/index.php?module=mail"
        if(mb_strpos($cur_page, $tested_link) === 0 || mb_strpos($cur_page_no_index, $tested_link) === 0)
            return true;
 
        if(($pos = mb_strpos($tested_link, "?")) !== false)
        {
            if(($s = mb_substr($tested_link, 0, $pos)) == $cur_page || $s == $cur_page_no_index)
            {
                $params = explode("&", mb_substr($tested_link, $pos + 1));
                $bOK = true;
                foreach($params as $param)
                {
                    $eqpos = mb_strpos($param, "=");
                    $varvalue = "";
                    if($eqpos === false)
                    {
                        $varname = $param;
                    }
                    elseif($eqpos == 0)
                    {
                        continue;
                    }
                    else
                    {
                        $varname = mb_substr($param, 0, $eqpos);
                        $varvalue = urldecode(mb_substr($param, $eqpos + 1));
                    }
 
                    $globvarvalue = ($GLOBALS[$varname] ?? "");
                    if($globvarvalue != $varvalue)
                    {
                        $bOK = false;
                        break;
                    }
                }
 
                if($bOK)
                    return true;
            }
        }
        return false;
    }
 
    function GetMenuHtmlEx()
    {
        global $USER, $DB, $APPLICATION; // must be!
 
        if(!$this->RecalcMenu())
            return false;
 
        // $arMENU - menu array copy
        // $arMENU_LINK - reference to menu array
        $arMENU_LINK = $MENU_ITEMS = &$this->arMenu;
        $arMENU = $this->arMenu;
        $sMenu = "";
 
        include($this->MenuTemplate);
 
        $result = $sMenu;
 
        $arIcons = array();
        $bShowButtons = false;
        $sMenuFile = $this->MenuDir.".".$this->type.".menu.php";
        if($APPLICATION->GetShowIncludeAreas())
        {
            $menu_perm = $APPLICATION->GetFileAccessPermission($sMenuFile);
            $templ_perm = $APPLICATION->GetFileAccessPermission($this->template);
            if($menu_perm >= "W")
            {
                $arIcons[] = array(
                    "URL"=>"/bitrix/admin/fileman_menu_edit.php?lang=".LANGUAGE_ID."&site=".SITE_ID."&back_url=".urlencode($_SERVER["REQUEST_URI"])."&path=".urlencode($this->MenuDir)."&name=".$this->type,
                    "ICON"=>"menu-edit",
                    "TITLE"=>GetMessage("MAIN_MENU_EDIT")
                );
            }
            if($templ_perm>="W" && $USER->IsAdmin())
            {
                $arIcons[] = array(
                    "URL"=>"/bitrix/admin/fileman_file_edit.php?lang=".LANGUAGE_ID."&site=".SITE_ID."&back_url=".urlencode($_SERVER["REQUEST_URI"])."&full_src=Y&path=".urlencode($this->template),
                    "ICON"=>"menu-template",
                    "TITLE"=>GetMessage("MAIN_MENU_TEMPLATE_EDIT")
                );
            }
            if(!empty($arIcons))
            {
                $result = $APPLICATION->IncludeStringBefore().$result;
                $bShowButtons = true;
            }
        }
 
        if($this->debug)
            $result .= $this->debug->Output($sMenuFile, $sMenuFile);
 
        if($bShowButtons)
            $result .= $APPLICATION->IncludeStringAfter($arIcons);
 
        return $result;
    }
 
 
    function GetMenuHtml()
    {
        global $USER, $DB, $APPLICATION; // must be!
 
        if(!$this->RecalcMenu())
            return false;
 
        // $arMENU - menu array copy
        // $arMENU_LINK - reference to menu array
        $arMENU_LINK = $MENU_ITEMS = &$this->arMenu;
        $arMENU = $this->arMenu;
 
        $result = "";
        $sMenuPrologTmp = "";
        $sMenuEpilog = "";
        $n = count($this->arMenu);
        for($i = 0; $i < $n; $i++)
        {
            $m = $this->arMenu[$i];
            $sMenuBody = "";
            $sMenuProlog = "";
            $sMenuEpilog = "";
            $ITEM_INDEX = 0;
            extract($m, EXTR_OVERWRITE);
 
            // $TEXT - item text
            // $LINK - item link
            // $SELECTED - is item highlighed
            // $PERMISSION - linked page permission
            // $ADDITIONAL_LINKS - additional links for highlighting
            // $ITEM_TYPE - "D" - directory, "P" - page
            // $ITEM_INDEX - item number
            // $PARAMS - additional parameters
 
            include($this->MenuTemplate);
 
            if($ITEM_INDEX == 0)
                $sMenuPrologTmp = $sMenuProlog;
            $result .= $sMenuBody;
        }
 
        $result = $sMenuPrologTmp.$result.$sMenuEpilog;
 
        $arIcons = array();
        $bShowButtons = false;
        $sMenuFile = $this->MenuDir.".".$this->type.".menu.php";
        if($APPLICATION->GetShowIncludeAreas())
        {
            $menu_perm = $APPLICATION->GetFileAccessPermission($sMenuFile);
            $templ_perm = $APPLICATION->GetFileAccessPermission($this->template);
            if($menu_perm >= "W")
            {
                $arIcons[] = array(
                    "URL"=>"/bitrix/admin/fileman_menu_edit.php?lang=".LANGUAGE_ID."&site=".SITE_ID."&back_url=".urlencode($_SERVER["REQUEST_URI"])."&path=".urlencode($this->MenuDir)."&name=".$this->type,
                    "ICON"=>"menu-edit",
                    "TITLE"=>GetMessage("MAIN_MENU_EDIT")
                );
            }
 
            if($templ_perm >= "W" && $USER->IsAdmin())
            {
                $arIcons[] = array(
                    "URL"=>"/bitrix/admin/fileman_file_edit.php?lang=".LANGUAGE_ID."&site=".SITE_ID."&back_url=".urlencode($_SERVER["REQUEST_URI"])."&full_src=Y&path=".urlencode($this->template),
                    "ICON"=>"menu-template",
                    "TITLE"=>GetMessage("MAIN_MENU_TEMPLATE_EDIT")
                );
            }
 
            if(!empty($arIcons))
            {
                $result = $APPLICATION->IncludeStringBefore().$result;
                $bShowButtons = true;
            }
        }
 
        if($this->debug)
            $result .= $this->debug->Output($sMenuFile, $sMenuFile);
 
        if($bShowButtons)
            $result .= $APPLICATION->IncludeStringAfter($arIcons);
 
        return $result;
    }
}