Dictionary: disable 'Clean history' when the history is empty (#7636)

3 years ago · 3d713dc34c
parent c129354ca3
commit 3d713dc34c
1 changed files with 5 additions and 1 deletions
--- a/frontend/apps/reader/modules/readerdictionary.lua
+++ b/frontend/apps/reader/modules/readerdictionary.lua
@ -287,14 +287,18 @@ function ReaderDictionary:addToMainMenu(menu_items)
            },
            {
                text = _("Clean dictionary lookup history"),
+                enabled_func = function()
+                    return lookup_history:has("lookup_history")
+                end,
                keep_menu_open = true,
-                callback = function()
+                callback = function(touchmenu_instance)
                    UIManager:show(ConfirmBox:new{
                        text = _("Clean dictionary lookup history?"),
                        ok_text = _("Clean"),
                        ok_callback = function()
                            -- empty data table to replace current one
                            lookup_history:reset{}
+                            touchmenu_instance:updateItems()
                        end,
                    })
                end,