Add a button for disabling all mods to world config. (#3900)

diff --git a/builtin/mainmenu/dlg_config_world.lua b/builtin/mainmenu/dlg_config_world.lua
index eb0319ba019dd6cca73022b7d3b639a53361a3e0..6e6224c926f816f43a5f1d67f2825b135275951b 100644 (file)
--- a/builtin/mainmenu/dlg_config_world.lua
+++ b/builtin/mainmenu/dlg_config_world.lua
@@ -16,6 +16,9 @@
 --51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 --------------------------------------------------------------------------------
+
+local enabled_all = false 
+
 local function modname_valid(name)
        return not name:find("[^a-z0-9_]")
 end
@@ -80,11 +83,15 @@ local function get_formspec(data)
                        end
                end
        end
-
-       retval = retval ..
-               "button[8.75,0.125;2.5,0.5;btn_all_mods;" .. fgettext("Enable all") .. "]" ..
-               "textlist[5.5,0.75;5.75,5.25;world_config_modlist;"
-
+       if enabled_all then 
+               retval = retval ..
+                       "button[8.75,0.125;2.5,0.5;btn_disable_all_mods;" .. fgettext("Disable all") .. "]" ..
+                       "textlist[5.5,0.75;5.75,5.25;world_config_modlist;"
+       else
+               retval = retval ..
+                       "button[8.75,0.125;2.5,0.5;btn_enable_all_mods;" .. fgettext("Enable all") .. "]" ..
+                       "textlist[5.5,0.75;5.75,5.25;world_config_modlist;"
+       end
        retval = retval .. modmgr.render_modlist(data.list)
        retval = retval .. ";" .. data.selected_mod .."]"
 
@@ -229,15 +236,27 @@ local function handle_buttons(this, fields)
                return true
        end
 
-       if fields["btn_all_mods"] then
+       if fields.btn_enable_all_mods then
                local list = this.data.list:get_raw_list()
 
-               for i=1,#list,1 do
-                       if list[i].typ ~= "game_mod" and
-                               not list[i].is_modpack then
+               for i = 1, #list do
+                       if list[i].typ ~= "game_mod" and not list[i].is_modpack then
                                list[i].enabled = true
                        end
                end
+               enabled_all = true
+               return true
+       end
+       
+       if fields.btn_disable_all_mods then
+               local list = this.data.list:get_raw_list()
+
+               for i = 1, #list do
+                       if list[i].typ ~= "game_mod" and not list[i].is_modpack then
+                               list[i].enabled = false
+                       end
+               end
+               enabled_all = false
                return true
        end