diff --git a/frontend/apps/filemanager/filemanager.lua b/frontend/apps/filemanager/filemanager.lua
index e5eb88f91..797955ccb 100644
--- a/frontend/apps/filemanager/filemanager.lua
+++ b/frontend/apps/filemanager/filemanager.lua
@@ -166,8 +166,7 @@ function FileManager:setupLayout()
             end
             self:refreshPath()
         else
-            local ReaderUI = require("apps/reader/readerui")
-            ReaderUI:showReader(file)
+            file_manager:openFile(file)
         end
         return true
     end
@@ -268,43 +267,7 @@ function FileManager:setupLayout()
                     text = _("Open with…"),
                     callback = function()
                         UIManager:close(self.file_dialog)
-                        local one_time_providers = {}
-                        if DocumentRegistry:isImageFile(file) then
-                            table.insert(one_time_providers, {
-                                provider_name = _("Image viewer"),
-                                callback = function()
-                                    local ImageViewer = require("ui/widget/imageviewer")
-                                    UIManager:show(ImageViewer:new{
-                                        file = file,
-                                        fullscreen = true,
-                                        with_title_bar = false,
-                                    })
-                                end,
-                            })
-                        end
-                        table.insert(one_time_providers, {
-                            provider_name = _("Text viewer"),
-                            callback = function()
-                                file_manager:openTextViewer(file)
-                            end,
-                        })
-                        if file_manager.texteditor then
-                            table.insert(one_time_providers, {
-                                provider_name = _("Text editor"),
-                                callback = function()
-                                    file_manager.texteditor:checkEditFile(file)
-                                end,
-                            })
-                        end
-                        if file_manager.archiveviewer and file_manager.archiveviewer:isSupported(file) then
-                            table.insert(one_time_providers, {
-                                provider_name = _("Archive viewer"),
-                                callback = function()
-                                    file_manager.archiveviewer:openArchiveViewer(file)
-                                end,
-                            })
-                        end
-                        self:showSetProviderButtons(file, one_time_providers)
+                        file_manager:showOpenWithDialog(file)
                     end,
                 },
                 filemanagerutil.genBookInformationButton(file, close_dialog_callback),
@@ -410,7 +373,7 @@ function FileManager:init()
     self.active_widgets = {}
 
     self:registerModule("screenshot", Screenshoter:new{
-        prefix = 'FileManager',
+        prefix = "FileManager",
         ui = self,
     }, true)
 
@@ -838,7 +801,10 @@ function FileManager:setHome(path)
 end
 
 function FileManager:openRandomFile(dir)
-    local random_file = DocumentRegistry:getRandomFile(dir, false)
+    local match_func = function(file) -- documents, not yet opened
+        return DocumentRegistry:hasProvider(file) and not DocSettings:hasSidecarFile(file)
+    end
+    local random_file = filemanagerutil.getRandomFile(dir, match_func)
     if random_file then
         UIManager:show(MultiConfirmBox:new{
             text = T(_("Do you want to open %1?"), BD.filename(BaseUtil.basename(random_file))),
@@ -1139,36 +1105,6 @@ function FileManager:showFiles(path, focused_file)
     UIManager:show(file_manager)
 end
 
-function FileManager:openTextViewer(file_path)
-    local function _openTextViewer(filepath)
-        local file = io.open(filepath, "rb")
-        if not file then return end
-        local file_content = file:read("*all")
-        file:close()
-        UIManager:show(require("ui/widget/textviewer"):new{
-            title = filepath,
-            title_multilines = true,
-            justified = false,
-            text = file_content,
-        })
-    end
-    local attr = lfs.attributes(file_path)
-    if attr then
-        if attr.size > 400000 then
-            UIManager:show(ConfirmBox:new{
-                text = T(_("This file is %2:\n\n%1\n\nAre you sure you want to open it?\n\nOpening big files may take some time."),
-                    BD.filepath(file_path), util.getFriendlySize(attr.size)),
-                ok_text = _("Open"),
-                ok_callback = function()
-                    _openTextViewer(file_path)
-                end,
-            })
-        else
-            _openTextViewer(file_path)
-        end
-    end
-end
-
 --- A shortcut to execute mv.
 -- @treturn boolean result of mv command
 function FileManager:moveFile(from, to)
@@ -1304,4 +1240,168 @@ function FileManager:showSelectedFilesList()
     UIManager:show(menu_container)
 end
 
+function FileManager:showOpenWithDialog(file)
+    local file_associated_provider_key = DocumentRegistry:getAssociatedProviderKey(file, false)
+    local type_associated_provider_key = DocumentRegistry:getAssociatedProviderKey(file, true)
+    local file_provider_key = file_associated_provider_key
+                           or type_associated_provider_key
+                           or DocumentRegistry:getProvider(file).provider
+
+    -- radio buttons (all providers)
+    local function genRadioButton(provider, is_unsupported)
+        return {{
+            -- @translators %1 is the provider name, such as Cool Reader Engine or MuPDF.
+            text = is_unsupported and T(_("%1 ~Unsupported"), provider.provider_name) or provider.provider_name,
+            checked = provider.provider == file_provider_key,
+            provider = provider,
+        }}
+    end
+    local radio_buttons = {}
+    local providers = DocumentRegistry:getProviders(file) -- document providers
+    if providers then
+        for _, provider in ipairs(providers) do
+            table.insert(radio_buttons, genRadioButton(provider.provider))
+        end
+    else
+        local provider = DocumentRegistry:getFallbackProvider()
+        table.insert(radio_buttons, genRadioButton(provider, true))
+    end
+    for _, provider in ipairs(DocumentRegistry:getAuxProviders()) do -- auxiliary providers
+        local is_filetype_supported
+        if provider.enabled_func then -- module
+            is_filetype_supported = provider.enabled_func(file)
+        else -- plugin
+            is_filetype_supported = self[provider.provider]:isFileTypeSupported(file)
+        end
+        if is_filetype_supported then
+            table.insert(radio_buttons, genRadioButton(provider))
+        end
+    end
+
+    -- buttons
+    local __, filename_pure = util.splitFilePathName(file)
+    filename_pure = BD.filename(filename_pure)
+    local filename_suffix = util.getFileNameSuffix(file):lower()
+    local dialog
+    local buttons = {}
+    -- row: wide button
+    if file_associated_provider_key then
+        table.insert(buttons, {{
+            text = _("Reset default for this file"),
+            callback = function()
+                DocumentRegistry:setProvider(file, nil, false)
+                UIManager:close(dialog)
+            end,
+        }})
+    end
+    -- row: wide button
+    if type_associated_provider_key then
+        table.insert(buttons, {{
+            text = T(_("Reset default for %1 files"), filename_suffix),
+            callback = function()
+                DocumentRegistry:setProvider(file, nil, true)
+                UIManager:close(dialog)
+            end,
+        }})
+    end
+    -- row: wide button
+    local associated_providers = DocumentRegistry:getAssociatedProviderKey() -- hash table
+    if next(associated_providers) ~= nil then
+        table.insert(buttons, {{
+            text = _("View defaults for file types"),
+            callback = function()
+                local max_len = 0 -- align extensions
+                for extension in pairs(associated_providers) do
+                    if max_len < #extension then
+                        max_len = #extension
+                    end
+                end
+                local t = {}
+                for extension, provider_key in BaseUtil.orderedPairs(associated_providers) do
+                    local provider = DocumentRegistry:getProviderFromKey(provider_key)
+                    if provider then
+                        local space = string.rep(" ", max_len - #extension)
+                        table.insert(t, T("%1%2: %3", extension, space, provider.provider_name))
+                    end
+                end
+                UIManager:show(InfoMessage:new{
+                    text = table.concat(t, "\n"),
+                    monospace_font = true,
+                })
+            end,
+        }})
+    end
+    -- row: 2 buttons
+    table.insert(buttons, {
+        {
+            text = _("Cancel"),
+            callback = function()
+                UIManager:close(dialog)
+            end,
+        },
+        {
+            text = _("Open"),
+            is_enter_default = true,
+            callback = function()
+                local provider = dialog.radio_button_table.checked_button.provider
+                if dialog._check_file_button.checked then -- set this file associated provider
+                    UIManager:show(ConfirmBox:new{
+                        text = T(_("Always open '%2' with %1?"), provider.provider_name, filename_pure),
+                        ok_text = _("Always"),
+                        ok_callback = function()
+                            DocumentRegistry:setProvider(file, provider, false)
+                            self:openFile(file, provider)
+                            UIManager:close(dialog)
+                        end,
+                    })
+                elseif dialog._check_global_button.checked then -- set file type associated provider
+                    UIManager:show(ConfirmBox:new{
+                        text = T(_("Always open %2 files with %1?"), provider.provider_name, filename_suffix),
+                        ok_text = _("Always"),
+                        ok_callback = function()
+                            DocumentRegistry:setProvider(file, provider, true)
+                            self:openFile(file, provider)
+                            UIManager:close(dialog)
+                        end,
+                    })
+                else -- open just once
+                    self:openFile(file, provider)
+                    UIManager:close(dialog)
+                end
+            end,
+        },
+    })
+
+    local OpenWithDialog = require("ui/widget/openwithdialog")
+    dialog = OpenWithDialog:new{
+        title = T(_("Open %1 with:"), filename_pure),
+        radio_buttons = radio_buttons,
+        buttons = buttons,
+    }
+    UIManager:show(dialog)
+end
+
+function FileManager:openFile(file, provider, doc_caller_callback, aux_caller_callback)
+    if not provider then -- check associated
+        local provider_key = DocumentRegistry:getAssociatedProviderKey(file)
+        provider = provider_key and DocumentRegistry:getProviderFromKey(provider_key)
+    end
+    if provider and provider.order then -- auxiliary
+        if aux_caller_callback then
+            aux_caller_callback()
+        end
+        if provider.callback then -- module
+            provider.callback(file)
+        else -- plugin
+            self[provider.provider]:openFile(file)
+        end
+    else -- document
+        if doc_caller_callback then
+            doc_caller_callback()
+        end
+        local ReaderUI = require("apps/reader/readerui")
+        ReaderUI:showReader(file, provider)
+    end
+end
+
 return FileManager
diff --git a/frontend/apps/filemanager/filemanagercollection.lua b/frontend/apps/filemanager/filemanagercollection.lua
index 30bdd1e05..54d445643 100644
--- a/frontend/apps/filemanager/filemanagercollection.lua
+++ b/frontend/apps/filemanager/filemanagercollection.lua
@@ -161,7 +161,7 @@ function FileManagerCollection:showCollDialog()
                     path = G_reader_settings:readSetting("home_dir"),
                     select_directory = false,
                     file_filter = function(file)
-                        return DocumentRegistry:getProviders(file) ~= nil
+                        return DocumentRegistry:hasProvider(file)
                     end,
                     onConfirm = function(file)
                         if not ReadCollection:checkItemExist(file) then
diff --git a/frontend/apps/filemanager/filemanagerfilesearcher.lua b/frontend/apps/filemanager/filemanagerfilesearcher.lua
index fbb75f3b1..131af0774 100644
--- a/frontend/apps/filemanager/filemanagerfilesearcher.lua
+++ b/frontend/apps/filemanager/filemanagerfilesearcher.lua
@@ -269,7 +269,6 @@ end
 
 function FileSearcher:onMenuSelect(item)
     local file = item.path
-    local has_provider = false
     local dialog
     local function close_dialog_callback()
         UIManager:close(dialog)
@@ -281,8 +280,7 @@ function FileSearcher:onMenuSelect(item)
     local buttons = {}
     if item.is_file then
         local is_currently_opened = self.ui.document and self.ui.document.file == file
-        has_provider = DocumentRegistry:hasProvider(file)
-        if has_provider or DocSettings:hasSidecarFile(file) then
+        if DocumentRegistry:hasProvider(file) or DocSettings:hasSidecarFile(file) then
             local doc_settings_or_file = is_currently_opened and self.ui.doc_settings or file
             table.insert(buttons, filemanagerutil.genStatusButtonsRow(doc_settings_or_file, close_dialog_callback))
             table.insert(buttons, {}) -- separator
@@ -317,11 +315,11 @@ function FileSearcher:onMenuSelect(item)
         filemanagerutil.genShowFolderButton(file, close_dialog_menu_callback),
         {
             text = _("Open"),
-            enabled = has_provider,
+            enabled = DocumentRegistry:hasProvider(file, nil, true), -- allow auxiliary providers
             callback = function()
-                close_dialog_menu_callback()
-                local ReaderUI = require("apps/reader/readerui")
-                ReaderUI:showReader(file)
+                close_dialog_callback()
+                local FileManager = require("apps/filemanager/filemanager")
+                FileManager.openFile(self.ui, file, nil, self.close_callback)
             end,
         },
     })
@@ -334,10 +332,9 @@ end
 
 function FileSearcher:onMenuHold(item)
     if item.is_file then
-        if DocumentRegistry:hasProvider(item.path) then
-            self.close_callback()
-            local ReaderUI = require("apps/reader/readerui")
-            ReaderUI:showReader(item.path)
+        if DocumentRegistry:hasProvider(item.path, nil, true) then
+            local FileManager = require("apps/filemanager/filemanager")
+            FileManager.openFile(self.ui, item.path, nil, self.close_callback)
         end
     else
         self.close_callback()
diff --git a/frontend/apps/filemanager/filemanagerutil.lua b/frontend/apps/filemanager/filemanagerutil.lua
index 9fc209a2d..a70fd127c 100644
--- a/frontend/apps/filemanager/filemanagerutil.lua
+++ b/frontend/apps/filemanager/filemanagerutil.lua
@@ -8,6 +8,7 @@ local DocSettings = require("docsettings")
 local Event = require("ui/event")
 local UIManager = require("ui/uimanager")
 local ffiutil = require("ffi/util")
+local lfs = require("libs/libkoreader-lfs")
 local util = require("util")
 local _ = require("gettext")
 local T = ffiutil.template
@@ -49,6 +50,26 @@ function filemanagerutil.splitFileNameType(filepath)
     return filename_without_suffix, filetype
 end
 
+function filemanagerutil.getRandomFile(dir, match_func)
+    if not dir:match("/$") then
+        dir = dir .. "/"
+    end
+    local files = {}
+    local ok, iter, dir_obj = pcall(lfs.dir, dir)
+    if ok then
+        for entry in iter, dir_obj do
+            local file = dir .. entry
+            if lfs.attributes(file, "mode") == "file" and match_func(file) then
+                table.insert(files, entry)
+            end
+        end
+        if #files > 0 then
+            math.randomseed(os.time())
+            return dir .. files[math.random(#files)]
+        end
+    end
+end
+
 -- Purge doc settings except kept
 function filemanagerutil.resetDocumentSettings(file)
     local settings_to_keep = {
diff --git a/frontend/apps/reader/modules/readerlink.lua b/frontend/apps/reader/modules/readerlink.lua
index b3c2c0aeb..da9f8faca 100644
--- a/frontend/apps/reader/modules/readerlink.lua
+++ b/frontend/apps/reader/modules/readerlink.lua
@@ -6,6 +6,7 @@ local BD = require("ui/bidi")
 local ButtonDialogTitle = require("ui/widget/buttondialogtitle")
 local ConfirmBox = require("ui/widget/confirmbox")
 local Device = require("device")
+local DocumentRegistry = require("document/documentregistry")
 local Event = require("ui/event")
 local InfoMessage = require("ui/widget/infomessage")
 local InputContainer = require("ui/widget/container/inputcontainer")
@@ -822,9 +823,7 @@ function ReaderLink:onGotoLink(link, neglect_current_location, allow_footnote_po
     linked_filename  = ffiutil.joinPath(self.document_dir, linked_filename) -- get full path
     linked_filename = ffiutil.realpath(linked_filename) -- clean full path from ./ or ../
     if linked_filename and lfs.attributes(linked_filename, "mode") == "file" then
-        local DocumentRegistry = require("document/documentregistry")
-        local provider = DocumentRegistry:getProvider(linked_filename)
-        if provider then
+        if DocumentRegistry:hasProvider(linked_filename) then
             -- Display filename with anchor or query string, so the user gets
             -- this information and can manually go to the appropriate place
             local display_filename = linked_filename
diff --git a/frontend/document/documentregistry.lua b/frontend/document/documentregistry.lua
index 039cac81a..76a9cd46f 100644
--- a/frontend/document/documentregistry.lua
+++ b/frontend/document/documentregistry.lua
@@ -4,12 +4,12 @@ This is a registry for document providers
 
 local DocSettings = require("docsettings")
 local logger = require("logger")
-local lfs = require("libs/libkoreader-lfs")
 local util = require("util")
 
 local DocumentRegistry = {
     registry = {},
     providers = {},
+    known_providers = {}, -- hash table of registered providers { provider_key = provider }
     filetype_provider = {},
     mimetype_ext = {},
     image_ext = {
@@ -24,6 +24,10 @@ local DocumentRegistry = {
     },
 }
 
+local function getSuffix(file)
+    return util.getFileNameSuffix(file):lower()
+end
+
 function DocumentRegistry:addProvider(extension, mimetype, provider, weight)
     extension = string.lower(extension)
     table.insert(self.providers, {
@@ -37,97 +41,65 @@ function DocumentRegistry:addProvider(extension, mimetype, provider, weight)
     -- Provided we order the calls to addProvider() correctly,
     -- that means epub instead of epub3, etc.
     self.mimetype_ext[mimetype] = self.mimetype_ext[mimetype] or extension
+    if self.known_providers[provider.provider] == nil then
+        self.known_providers[provider.provider] = provider
+    end
 end
 
-function DocumentRegistry:getRandomFile(dir, opened, extension)
-    if dir:sub(-1) ~= "/" then
-        dir = dir .. "/"
-    end
-    local files = {}
-    local i = 0
-    local ok, iter, dir_obj = pcall(lfs.dir, dir)
-    if ok then
-        for entry in iter, dir_obj do
-            local file = dir .. entry
-            local file_opened = DocSettings:hasSidecarFile(file)
-            if lfs.attributes(file, "mode") == "file" and self:hasProvider(file)
-                and (opened == nil or file_opened == opened)
-                and (extension == nil or extension[util.getFileNameSuffix(entry)]) then
-                i = i + 1
-                files[i] = entry
-            end
-        end
-        if i == 0 then
-            return nil
-        end
-    else
-        return nil
-    end
-    math.randomseed(os.time())
-    return dir .. files[math.random(i)]
+-- Register an auxiliary (non-document) provider.
+-- Aux providers are modules (eg TextViewer) or plugins (eg TextEditor).
+-- It does not implement the Document API.
+-- For plugins the hash table value does not contain file handler,
+-- but only a provider_key (provider.provider) to call the corresponding
+-- plugin in FileManager:openFile().
+function DocumentRegistry:addAuxProvider(provider)
+    self.known_providers[provider.provider] = provider
 end
 
 --- Returns true if file has provider.
 -- @string file
+-- @bool include_aux include auxiliary (non-document) providers
 -- @treturn boolean
-function DocumentRegistry:hasProvider(file, mimetype)
+function DocumentRegistry:hasProvider(file, mimetype, include_aux)
     if mimetype and self.mimetype_ext[mimetype] then
         return true
     end
     if not file then return false end
 
-    local filename_suffix = string.lower(util.getFileNameSuffix(file))
-
-    local filetype_provider = G_reader_settings:readSetting("provider") or {}
-    if self.filetype_provider[filename_suffix] or filetype_provider[filename_suffix] then
+    -- registered document provider
+    local filename_suffix = getSuffix(file)
+    if self.filetype_provider[filename_suffix] then
         return true
     end
+    -- associated document or auxiliary provider for file type
+    local filetype_provider_key = G_reader_settings:readSetting("provider", {})[filename_suffix]
+    local provider = filetype_provider_key and self.known_providers[filetype_provider_key]
+    if provider and (not provider.order or include_aux) then -- excluding auxiliary by default
+        return true
+    end
+    -- associated document provider for this file
     if DocSettings:hasSidecarFile(file) then
         return DocSettings:open(file):has("provider")
     end
     return false
 end
 
---- Returns the preferred registered document handler.
+--- Returns the preferred registered document handler or fallback provider.
 -- @string file
--- @treturn table provider, or nil
+-- @treturn table provider
 function DocumentRegistry:getProvider(file)
     local providers = self:getProviders(file)
-
     if providers then
-        -- provider for document
-        if DocSettings:hasSidecarFile(file) then
-            local doc_settings_provider = DocSettings:open(file):readSetting("provider")
-            if doc_settings_provider then
-                for _, provider in ipairs(providers) do
-                    if provider.provider.provider == doc_settings_provider then
-                        return provider.provider
-                    end
-                end
-            end
+        -- associated provider
+        local provider_key = DocumentRegistry:getAssociatedProviderKey(file)
+        local provider = provider_key and self.known_providers[provider_key]
+        if provider and not provider.order then -- excluding auxiliary
+            return provider
         end
-
-        -- global provider for filetype
-        local filename_suffix = util.getFileNameSuffix(file)
-        local g_settings_provider = G_reader_settings:readSetting("provider")
-
-        if g_settings_provider and g_settings_provider[filename_suffix] then
-            for _, provider in ipairs(providers) do
-                if provider.provider.provider == g_settings_provider[filename_suffix] then
-                    return provider.provider
-                end
-            end
-        end
-
         -- highest weighted provider
         return providers[1].provider
-    else
-        for _, provider in ipairs(self.providers) do
-            if provider.extension == "txt" then
-                return provider.provider
-            end
-        end
     end
+    return self:getFallbackProvider()
 end
 
 --- Returns the registered document handlers.
@@ -166,6 +138,59 @@ function DocumentRegistry:getProviders(file)
     end
 end
 
+function DocumentRegistry:getProviderFromKey(provider_key)
+    return self.known_providers[provider_key]
+end
+
+function DocumentRegistry:getFallbackProvider()
+    for _, provider in ipairs(self.providers) do
+        if provider.extension == "txt" then
+            return provider.provider
+        end
+    end
+end
+
+function DocumentRegistry:getAssociatedProviderKey(file, all)
+    -- all: nil - first not empty, false - this file, true - file type
+
+    if not file then -- get the full list of associated providers
+        return G_reader_settings:readSetting("provider")
+    end
+
+    -- provider for this file
+    local provider_key
+    if all ~= true then
+        if DocSettings:hasSidecarFile(file) then
+            provider_key = DocSettings:open(file):readSetting("provider")
+            if provider_key or all == false then
+                return provider_key
+            end
+        end
+        if all == false then return end
+    end
+
+    -- provider for file type
+    local providers = G_reader_settings:readSetting("provider")
+    provider_key = providers and providers[getSuffix(file)]
+    if provider_key and self.known_providers[provider_key] then
+        return provider_key
+    end
+end
+
+-- Returns array: registered auxiliary providers sorted by order.
+function DocumentRegistry:getAuxProviders()
+    local providers = {}
+    for _, provider in pairs(self.known_providers) do
+        if provider.order then -- aux
+            table.insert(providers, provider)
+        end
+    end
+    if #providers >= 1 then
+        table.sort(providers, function(a, b) return a.order < b.order end)
+        return providers
+    end
+end
+
 --- Get mapping of file extensions to providers
 -- @treturn table mapping file extensions to a list of providers
 function DocumentRegistry:getExtensions()
@@ -182,8 +207,7 @@ end
 -- @string file
 -- @bool all
 function DocumentRegistry:setProvider(file, provider, all)
-    local _, filename_suffix = util.splitFileNameSuffix(file)
-
+    provider = provider or {} -- call with nil to reset
     -- per-document
     if not all then
         local doc_settings = DocSettings:open(file)
@@ -191,9 +215,8 @@ function DocumentRegistry:setProvider(file, provider, all)
         doc_settings:flush()
     -- global
     else
-        local filetype_provider = G_reader_settings:readSetting("provider") or {}
-        filetype_provider[filename_suffix] = provider.provider
-        G_reader_settings:saveSetting("provider", filetype_provider)
+        local filetype_provider = G_reader_settings:readSetting("provider", {})
+        filetype_provider[getSuffix(file)] = provider.provider
     end
 end
 
@@ -257,7 +280,7 @@ function DocumentRegistry:getReferenceCount(file)
 end
 
 function DocumentRegistry:isImageFile(file)
-    return self.image_ext[util.getFileNameSuffix(file):lower()] and true or false
+    return self.image_ext[getSuffix(file)] and true or false
 end
 
 -- load implementations:
@@ -265,5 +288,9 @@ require("document/credocument"):register(DocumentRegistry)
 require("document/pdfdocument"):register(DocumentRegistry)
 require("document/djvudocument"):register(DocumentRegistry)
 require("document/picdocument"):register(DocumentRegistry)
+-- auxiliary built-in
+require("ui/widget/imageviewer"):register(DocumentRegistry)
+require("ui/widget/textviewer"):register(DocumentRegistry)
+-- auxiliary from plugins
 
 return DocumentRegistry
diff --git a/frontend/ui/screensaver.lua b/frontend/ui/screensaver.lua
index ded637f2c..7ef2c0647 100644
--- a/frontend/ui/screensaver.lua
+++ b/frontend/ui/screensaver.lua
@@ -23,6 +23,7 @@ local VerticalGroup = require("ui/widget/verticalgroup")
 local VerticalSpan = require("ui/widget/verticalspan")
 local datetime = require("datetime")
 local ffiUtil = require("ffi/util")
+local filemanagerutil = require("apps/filemanager/filemanagerutil")
 local lfs = require("libs/libkoreader-lfs")
 local logger = require("logger")
 local util = require("util")
@@ -78,35 +79,12 @@ if Device:isEmulator() then
     Screensaver.default_screensaver_message = Screensaver.default_screensaver_message .. "\n" .. _("(Press F2 to resume)")
 end
 
-function Screensaver:_getRandomImage(dir)
-    if not dir then
-        return nil
+local function _getRandomImage(dir)
+    if not dir then return end
+    local match_func = function(file) -- images, ignore macOS resource forks
+        return not util.stringStartsWith(file, "._") and DocumentRegistry:isImageFile(file)
     end
-
-    if string.sub(dir, string.len(dir)) ~= "/" then
-       dir = dir .. "/"
-    end
-    local pics = {}
-    local i = 0
-    math.randomseed(os.time())
-    local ok, iter, dir_obj = pcall(lfs.dir, dir)
-    if ok then
-        for f in iter, dir_obj do
-            -- Always ignore macOS resource forks, too.
-            if lfs.attributes(dir .. f, "mode") == "file" and not util.stringStartsWith(f, "._")
-                    and DocumentRegistry:isImageFile(f) then
-                i = i + 1
-                pics[i] = f
-            end
-        end
-        if i == 0 then
-            return nil
-        end
-    else
-        return nil
-    end
-
-    return dir .. pics[math.random(i)]
+    return filemanagerutil.getRandomFile(dir, match_func)
 end
 
 -- This is implemented by the Statistics plugin
@@ -573,7 +551,7 @@ function Screensaver:setup(event, event_message)
     if self.screensaver_type == "random_image" then
         local screensaver_dir = G_reader_settings:readSetting(self.prefix .. "screensaver_dir")
                              or G_reader_settings:readSetting("screensaver_dir")
-        self.image_file = self:_getRandomImage(screensaver_dir) or "resources/koreader.png" -- Fallback image
+        self.image_file = _getRandomImage(screensaver_dir) or "resources/koreader.png" -- Fallback image
     end
 
     -- Use the right background setting depending on the effective mode, now that fallbacks have kicked in.
diff --git a/frontend/ui/widget/filechooser.lua b/frontend/ui/widget/filechooser.lua
index 2d64c906c..3971f2ef6 100644
--- a/frontend/ui/widget/filechooser.lua
+++ b/frontend/ui/widget/filechooser.lua
@@ -1,12 +1,10 @@
 local BD = require("ui/bidi")
-local ConfirmBox = require("ui/widget/confirmbox")
 local datetime = require("datetime")
 local Device = require("device")
 local DocSettings = require("docsettings")
 local DocumentRegistry = require("document/documentregistry")
 local filemanagerutil = require("apps/filemanager/filemanagerutil")
 local Menu = require("ui/widget/menu")
-local OpenWithDialog = require("ui/widget/openwithdialog")
 local UIManager = require("ui/uimanager")
 local ffi = require("ffi")
 local ffiUtil = require("ffi/util")
@@ -515,121 +513,4 @@ function FileChooser:selectAllFilesInFolder()
     end
 end
 
-function FileChooser:showSetProviderButtons(file, one_time_providers)
-    local ReaderUI = require("apps/reader/readerui")
-
-    local __, filename_pure = util.splitFilePathName(file)
-    local filename_suffix = util.getFileNameSuffix(file)
-
-    local buttons = {}
-    local radio_buttons = {}
-    local filetype_provider = G_reader_settings:readSetting("provider") or {}
-    local providers = DocumentRegistry:getProviders(file)
-    if providers ~= nil then
-        for ___, provider in ipairs(providers) do
-            -- we have no need for extension, mimetype, weights, etc. here
-            provider = provider.provider
-            table.insert(radio_buttons, {
-                {
-                    text = provider.provider_name,
-                    checked = DocumentRegistry:getProvider(file) == provider,
-                    provider = provider,
-                },
-            })
-        end
-    else
-        local provider = DocumentRegistry:getProvider(file)
-        table.insert(radio_buttons, {
-            {
-                -- @translators %1 is the provider name, such as Cool Reader Engine or MuPDF.
-                text = T(_("%1 ~Unsupported"), provider.provider_name),
-                checked = true,
-                provider = provider,
-            },
-        })
-    end
-    for _, provider in ipairs(one_time_providers) do
-        provider.one_time_provider = true
-        table.insert(radio_buttons, {
-            {
-                text = provider.provider_name,
-                provider = provider,
-            },
-        })
-    end
-
-    table.insert(buttons, {
-        {
-            text = _("Cancel"),
-            callback = function()
-                UIManager:close(self.set_provider_dialog)
-            end,
-        },
-        {
-            text = _("Open"),
-            is_enter_default = true,
-            callback = function()
-                local provider = self.set_provider_dialog.radio_button_table.checked_button.provider
-                if provider.one_time_provider then
-                    UIManager:close(self.set_provider_dialog)
-                    provider.callback()
-                    return
-                end
-
-                -- always for this file
-                if self.set_provider_dialog._check_file_button.checked then
-                    UIManager:show(ConfirmBox:new{
-                        text = T(_("Always open '%2' with %1?"),
-                                   provider.provider_name, BD.filename(filename_pure)),
-                        ok_text = _("Always"),
-                        ok_callback = function()
-                            DocumentRegistry:setProvider(file, provider, false)
-
-                            ReaderUI:showReader(file, provider)
-                            UIManager:close(self.set_provider_dialog)
-                        end,
-                    })
-                -- always for all files of this file type
-                elseif self.set_provider_dialog._check_global_button.checked then
-                    UIManager:show(ConfirmBox:new{
-                        text = T(_("Always open %2 files with %1?"),
-                                 provider.provider_name, filename_suffix),
-                        ok_text = _("Always"),
-                        ok_callback = function()
-                            DocumentRegistry:setProvider(file, provider, true)
-
-                            ReaderUI:showReader(file, provider)
-                            UIManager:close(self.set_provider_dialog)
-                        end,
-                    })
-                else
-                    -- just once
-                    ReaderUI:showReader(file, provider)
-                    UIManager:close(self.set_provider_dialog)
-                end
-            end,
-        },
-    })
-
-    if filetype_provider[filename_suffix] ~= nil then
-        table.insert(buttons, {
-           {
-               text = _("Reset default"),
-                callback = function()
-                    filetype_provider[filename_suffix] = nil
-                    G_reader_settings:saveSetting("provider", filetype_provider)
-                    UIManager:close(self.set_provider_dialog)
-                end,
-            },
-        })
-    end
-
-    self.set_provider_dialog = OpenWithDialog:new{
-        title = T(_("Open %1 with:"), BD.filename(filename_pure)),
-        radio_buttons = radio_buttons,
-        buttons = buttons,
-    }
-    UIManager:show(self.set_provider_dialog)
-end
-
 return FileChooser
diff --git a/frontend/ui/widget/imageviewer.lua b/frontend/ui/widget/imageviewer.lua
index 46a8e22dd..438e4cc2e 100644
--- a/frontend/ui/widget/imageviewer.lua
+++ b/frontend/ui/widget/imageviewer.lua
@@ -851,4 +851,27 @@ function ImageViewer:onCloseWidget()
     end)
 end
 
+-- Register DocumentRegistry auxiliary provider.
+function ImageViewer:register(registry)
+    registry:addAuxProvider({
+        provider_name = _("Image viewer"),
+        provider = "imageviewer",
+        order = 10, -- order in OpenWith dialog
+        enabled_func = function(file)
+            return registry:isImageFile(file)
+        end,
+        callback = ImageViewer.openFile,
+        disable_file = true,
+        disable_type = false,
+    })
+end
+
+function ImageViewer.openFile(file)
+    UIManager:show(ImageViewer:new{
+        file = file,
+        fullscreen = true,
+        with_title_bar = false,
+    })
+end
+
 return ImageViewer
diff --git a/frontend/ui/widget/imagewidget.lua b/frontend/ui/widget/imagewidget.lua
index 33b0a4e1a..d452c9df3 100644
--- a/frontend/ui/widget/imagewidget.lua
+++ b/frontend/ui/widget/imagewidget.lua
@@ -22,7 +22,6 @@ Show image from memory example:
 
 local Blitbuffer = require("ffi/blitbuffer")
 local Cache = require("cache")
-local DocumentRegistry = require("document/documentregistry")
 local Geom = require("ui/geometry")
 local RenderImage = require("ui/renderimage")
 local Screen = require("device").screen
@@ -131,6 +130,7 @@ function ImageWidget:_loadimage()
 end
 
 function ImageWidget:_loadfile()
+    local DocumentRegistry = require("document/documentregistry")
     if DocumentRegistry:isImageFile(self.file) then
         -- In our use cases for files (icons), we either provide width and height,
         -- or just scale_for_dpi, and scale_factor should stay nil.
diff --git a/frontend/ui/widget/infomessage.lua b/frontend/ui/widget/infomessage.lua
index 6acdd0e31..88d4f06f8 100644
--- a/frontend/ui/widget/infomessage.lua
+++ b/frontend/ui/widget/infomessage.lua
@@ -46,7 +46,8 @@ local Screen = Device.screen
 
 local InfoMessage = InputContainer:extend{
     modal = true,
-    face = Font:getFace("infofont"),
+    face = nil,
+    monospace_font = false,
     text = "",
     timeout = nil, -- in seconds
     width = nil,  -- The width of the InfoMessage. Keep it nil to use default value.
@@ -77,6 +78,10 @@ local InfoMessage = InputContainer:extend{
 }
 
 function InfoMessage:init()
+    if not self.face then
+        self.face = Font:getFace(self.monospace_font and "infont" or "infofont")
+    end
+
     if self.dismissable then
         if Device:hasKeys() then
             self.key_events.AnyKeyPressed = { { Input.group.Any } }
diff --git a/frontend/ui/widget/openwithdialog.lua b/frontend/ui/widget/openwithdialog.lua
index 47b34e54d..0a6b97528 100644
--- a/frontend/ui/widget/openwithdialog.lua
+++ b/frontend/ui/widget/openwithdialog.lua
@@ -32,11 +32,14 @@ function OpenWithDialog:init()
         scroll = false,
         parent = self,
         button_select_callback = function(btn)
-            if btn.provider.one_time_provider then
+            if btn.provider.disable_file then
                 self._check_file_button:disable()
-                self._check_global_button:disable()
             else
                 self._check_file_button:enable()
+            end
+            if btn.provider.disable_type then
+                self._check_global_button:disable()
+            else
                 self._check_global_button:enable()
             end
         end
@@ -83,11 +86,13 @@ function OpenWithDialog:init()
 
     self._check_file_button = self._check_file_button or CheckButton:new{
         text = _("Always use this engine for this file"),
+        enabled = not self.radio_button_table.checked_button.provider.disable_file,
         parent = self,
     }
     self:addWidget(self._check_file_button)
     self._check_global_button = self._check_global_button or CheckButton:new{
         text = _("Always use this engine for file type"),
+        enabled = not self.radio_button_table.checked_button.provider.disable_type,
         parent = self,
     }
     self:addWidget(self._check_global_button)
diff --git a/frontend/ui/widget/textviewer.lua b/frontend/ui/widget/textviewer.lua
index e15f675d0..884cd90d7 100644
--- a/frontend/ui/widget/textviewer.lua
+++ b/frontend/ui/widget/textviewer.lua
@@ -29,6 +29,7 @@ local UIManager = require("ui/uimanager")
 local VerticalGroup = require("ui/widget/verticalgroup")
 local WidgetContainer = require("ui/widget/container/widgetcontainer")
 local T = require("ffi/util").template
+local lfs = require("libs/libkoreader-lfs")
 local util = require("util")
 local _ = require("gettext")
 local Screen = Device.screen
@@ -431,7 +432,6 @@ function TextViewer:onForwardingPanRelease(arg, ges)
     return self.movable:onMovablePanRelease(arg, ges)
 end
 
-
 function TextViewer:findDialog()
     local input_dialog
     input_dialog = InputDialog:new{
@@ -530,4 +530,50 @@ function TextViewer:handleTextSelection(text, hold_duration, start_idx, end_idx,
     end
 end
 
+-- Register DocumentRegistry auxiliary provider.
+function TextViewer:register(registry)
+    registry:addAuxProvider({
+        provider_name = _("Text viewer"),
+        provider = "textviewer",
+        order = 20, -- order in OpenWith dialog
+        enabled_func = function()
+            return true -- all files
+        end,
+        callback = TextViewer.openFile,
+        disable_file = true,
+        disable_type = false,
+    })
+end
+
+function TextViewer.openFile(file)
+    local function _openFile(file_path)
+        local file_handle = io.open(file_path, "rb")
+        if not file_handle then return end
+        local file_content = file_handle:read("*all")
+        file_handle:close()
+        UIManager:show(TextViewer:new{
+            title = file_path,
+            title_multilines = true,
+            justified = false,
+            text = file_content,
+        })
+    end
+    local attr = lfs.attributes(file)
+    if attr then
+        if attr.size > 400000 then
+            local ConfirmBox = require("ui/widget/confirmbox")
+            UIManager:show(ConfirmBox:new{
+                text = T(_("This file is %2:\n\n%1\n\nAre you sure you want to open it?\n\nOpening big files may take some time."),
+                    BD.filepath(file), util.getFriendlySize(attr.size)),
+                ok_text = _("Open"),
+                ok_callback = function()
+                    _openFile(file)
+                end,
+            })
+        else
+            _openFile(file)
+        end
+    end
+end
+
 return TextViewer
diff --git a/plugins/archiveviewer.koplugin/main.lua b/plugins/archiveviewer.koplugin/main.lua
index 51c78d24f..53eac9502 100644
--- a/plugins/archiveviewer.koplugin/main.lua
+++ b/plugins/archiveviewer.koplugin/main.lua
@@ -2,8 +2,10 @@ local BD = require("ui/bidi")
 local ButtonDialog = require("ui/widget/buttondialog")
 local CenterContainer = require("ui/widget/container/centercontainer")
 local DocumentRegistry = require("document/documentregistry")
-local InfoMessage = require("ui/widget/infomessage")
+local ImageViewer = require("ui/widget/imageviewer")
 local Menu = require("ui/widget/menu")
+local RenderImage = require("ui/renderimage")
+local TextViewer = require("ui/widget/textviewer")
 local UIManager = require("ui/uimanager")
 local WidgetContainer = require("ui/widget/container/widgetcontainer")
 local ffiUtil = require("ffi/util")
@@ -13,6 +15,9 @@ local Screen = require("device").screen
 local T = ffiUtil.template
 
 local ArchiveViewer = WidgetContainer:extend{
+    name = "archiveviewer",
+    fullname = _("Archive viewer"),
+    arc_file = nil, -- archive
     -- list_table is a flat table containing archive files and folders
     -- key - a full path of the folder ("/" for root), for all folders and subfolders of any level
     -- value - a subtable of subfolders and files in the folder
@@ -27,21 +32,44 @@ local ArchiveViewer = WidgetContainer:extend{
     },
 }
 
-function ArchiveViewer:isSupported(file)
-    return self.arc_ext[util.getFileNameSuffix(file):lower()] and true or false
+local ZIP_LIST            = "unzip -qql \"%1\""
+local ZIP_EXTRACT_CONTENT = "unzip -qqp \"%1\" \"%2\""
+local ZIP_EXTRACT_FILE    = "unzip -qqo \"%1\" \"%2\" -d \"%3\"" -- overwrite
+
+local function getSuffix(file)
+    return util.getFileNameSuffix(file):lower()
+end
+
+function ArchiveViewer:init()
+    self:registerDocumentRegistryAuxProvider()
+end
+
+function ArchiveViewer:registerDocumentRegistryAuxProvider()
+    DocumentRegistry:addAuxProvider({
+        provider_name = self.fullname,
+        provider = self.name,
+        order = 40, -- order in OpenWith dialog
+        disable_file = true,
+        disable_type = false,
+    })
 end
 
-function ArchiveViewer:openArchiveViewer(file)
+function ArchiveViewer:isFileTypeSupported(file)
+    return self.arc_ext[getSuffix(file)] and true or false
+end
+
+function ArchiveViewer:openFile(file)
     local _, filename = util.splitFilePathName(file)
-    local fileext = util.getFileNameSuffix(file):lower()
+    local fileext = getSuffix(filename)
     if fileext == "cbz" or fileext == "epub" or fileext == "zip" then
         self.arc_type = "zip"
     end
+    self.arc_file = file
 
     self.fm_updated = nil
     self.list_table = {}
     if self.arc_type == "zip" then
-        self:getZipListTable(file)
+        self:getZipListTable()
     else -- add other archivers here
         return
     end
@@ -50,17 +78,17 @@ function ArchiveViewer:openArchiveViewer(file)
     local menu_container = CenterContainer:new{
         dimen = Screen:getSize(),
     }
-    local menu = Menu:new{
+    self.menu = Menu:new{
         is_borderless = true,
         is_popout = false,
         title_multilines = true,
         show_parent = menu_container,
         onMenuSelect = function(self_menu, item)
-            if item.text:sub(-1) == "/" then -- folder
+            if item.is_file then
+                self:showFileDialog(item.path)
+            else
                 local title = item.path == "" and filename or filename.."/"..item.path
                 self_menu:switchItemTable(title, self:getItemTable(item.path))
-            else
-                self:showFileDialog(file, item.path)
             end
         end,
         close_callback = function()
@@ -70,12 +98,12 @@ function ArchiveViewer:openArchiveViewer(file)
             end
         end,
     }
-    table.insert(menu_container, menu)
-    menu:switchItemTable(filename, item_table)
+    table.insert(menu_container, self.menu)
+    self.menu:switchItemTable(filename, item_table)
     UIManager:show(menu_container)
 end
 
-function ArchiveViewer:getZipListTable(file)
+function ArchiveViewer:getZipListTable()
     local function parse_path(filepath, filesize)
         if not filepath then return end
         local path, name = util.splitFilePathName(filepath)
@@ -97,7 +125,7 @@ function ArchiveViewer:getZipListTable(file)
         end
     end
 
-    local std_out = io.popen("unzip ".."-qql \""..file.."\"")
+    local std_out = io.popen(T(ZIP_LIST, self.arc_file))
     if std_out then
         for line in std_out:lines() do
             -- entry datetime not used so far
@@ -129,6 +157,7 @@ function ArchiveViewer:getItemTable(path)
         if v then -- file
             table.insert(files, {
                 text = name,
+                is_file = true,
                 bidi_wrap_func = BD.filename,
                 path = prefix..name,
                 mandatory = util.getFriendlySize(tonumber(v)),
@@ -173,7 +202,7 @@ function ArchiveViewer:getItemDirMandatory(name)
     return text
 end
 
-function ArchiveViewer:showFileDialog(arcfile, filepath)
+function ArchiveViewer:showFileDialog(filepath)
     local dialog
     local buttons = {
         {
@@ -181,14 +210,14 @@ function ArchiveViewer:showFileDialog(arcfile, filepath)
                 text = _("Extract"),
                 callback = function()
                     UIManager:close(dialog)
-                    self:extractFile(arcfile, filepath)
+                    self:extractFile(filepath)
                 end,
             },
             {
                 text = _("View"),
                 callback = function()
                     UIManager:close(dialog)
-                    self:viewFile(arcfile, filepath)
+                    self:viewFile(filepath)
                 end,
             },
         },
@@ -201,47 +230,53 @@ function ArchiveViewer:showFileDialog(arcfile, filepath)
     UIManager:show(dialog)
 end
 
-function ArchiveViewer:viewFile(arcfile, filepath)
-    local content
-    if self.arc_type == "zip" then
-        local std_out = io.popen("unzip ".."-qp \""..arcfile.."\"".." ".."\""..filepath.."\"")
-        if std_out then
-            content = std_out:read("*all")
-            std_out:close()
-        else
-            UIManager:show(InfoMessage:new{
-                text = _("Cannot extract file content."),
-                icon = "notice-warning",
-            })
-            return
-        end
-    else
-        return
-    end
-
+function ArchiveViewer:viewFile(filepath)
     if DocumentRegistry:isImageFile(filepath) then
-        local RenderImage = require("ui/renderimage")
-        local ImageViewer = require("ui/widget/imageviewer")
-        UIManager:show(ImageViewer:new{
-            image = RenderImage:renderImageData(content, #content),
+        local index = 0
+        local curr_index
+        local images_list = {}
+        for i, item in ipairs(self.menu.item_table) do
+            local item_path = item.path
+            if item.is_file and DocumentRegistry:isImageFile(item_path) then
+                table.insert(images_list, item_path)
+                if not curr_index then
+                    index = index + 1
+                    if item_path == filepath then
+                        curr_index = index
+                    end
+                end
+            end
+        end
+        local image_table = { image_disposable = true }
+        setmetatable(image_table, {__index = function (_, key)
+                local content = self:extractContent(images_list[key])
+                if content then
+                    return RenderImage:renderImageData(content, #content)
+                end
+            end
+        })
+        local viewer = ImageViewer:new{
+            image = image_table,
+            images_list_nb = #images_list,
             fullscreen = true,
             with_title_bar = false,
-        })
+            image_disposable = false,
+        }
+        UIManager:show(viewer)
+        viewer:switchToImageNum(curr_index)
     else
-        local TextViewer = require("ui/widget/textviewer")
         UIManager:show(TextViewer:new{
             title = filepath,
             title_multilines = true,
-            text = content,
+            text = self:extractContent(filepath),
             justified = false,
         })
     end
 end
 
-function ArchiveViewer:extractFile(arcfile, filepath)
+function ArchiveViewer:extractFile(filepath)
     if self.arc_type == "zip" then
-        local std_out = io.popen("unzip ".."-qo \""..arcfile.."\"".." ".."\""..filepath.."\""..
-                                 " -d ".."\""..util.splitFilePathName(arcfile).."\"")
+        local std_out = io.popen(T(ZIP_EXTRACT_FILE, self.arc_file, filepath, util.splitFilePathName(self.arc_file)))
         if std_out then
             std_out:close()
         end
@@ -251,4 +286,18 @@ function ArchiveViewer:extractFile(arcfile, filepath)
     self.fm_updated = true
 end
 
+function ArchiveViewer:extractContent(filepath)
+    local content
+    if self.arc_type == "zip" then
+        local std_out = io.popen(T(ZIP_EXTRACT_CONTENT, self.arc_file, filepath))
+        if std_out then
+            content = std_out:read("*all")
+            std_out:close()
+            return content
+        end
+    else
+        return
+    end
+end
+
 return ArchiveViewer
diff --git a/plugins/texteditor.koplugin/main.lua b/plugins/texteditor.koplugin/main.lua
index 8c2f34364..2cea99c6d 100644
--- a/plugins/texteditor.koplugin/main.lua
+++ b/plugins/texteditor.koplugin/main.lua
@@ -8,6 +8,7 @@ local BD = require("ui/bidi")
 local ConfirmBox = require("ui/widget/confirmbox")
 local DataStorage = require("datastorage")
 local Dispatcher = require("dispatcher")
+local DocumentRegistry = require("document/documentregistry")
 local Font = require("ui/font")
 local QRMessage = require("ui/widget/qrmessage")
 local InfoMessage = require("ui/widget/infomessage")
@@ -28,6 +29,7 @@ local T = ffiutil.template
 
 local TextEditor = WidgetContainer:extend{
     name = "texteditor",
+    fullname = _("Text editor"),
     settings_file = DataStorage:getSettingsDir() .. "/text_editor.lua",
     settings = nil, -- loaded only when needed
     -- how many to display in menu (10x3 pages minus our 3 default menu items):
@@ -46,6 +48,25 @@ end
 function TextEditor:init()
     self:onDispatcherRegisterActions()
     self.ui.menu:registerToMainMenu(self)
+    self:registerDocumentRegistryAuxProvider()
+end
+
+function TextEditor:registerDocumentRegistryAuxProvider()
+    DocumentRegistry:addAuxProvider({
+        provider_name = self.fullname,
+        provider = self.name,
+        order = 30, -- order in OpenWith dialog
+        disable_file = true,
+        disable_type = false,
+    })
+end
+
+function TextEditor:isFileTypeSupported(file)
+    return true
+end
+
+function TextEditor:openFile(file)
+    self:checkEditFile(file)
 end
 
 function TextEditor:loadSettings()
@@ -94,7 +115,7 @@ end
 
 function TextEditor:addToMainMenu(menu_items)
     menu_items.text_editor = {
-        text = _("Text editor"),
+        text = self.fullname,
         sub_item_table_func = function()
             return self:getSubMenuItems()
         end,