From 7f7678e4e30fdae3722c3f75d4dc6488364d853e Mon Sep 17 00:00:00 2001
From: you <ovvv@web.de>
Date: Tue, 29 May 2018 18:37:51 +0200
Subject: Tidy up dlg_config_world.lua (#5351)

Move code to pkgmgr
---
 builtin/mainmenu/pkgmgr.lua | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

(limited to 'builtin/mainmenu/pkgmgr.lua')

diff --git a/builtin/mainmenu/pkgmgr.lua b/builtin/mainmenu/pkgmgr.lua
index 2730612e9..49ab78c24 100644
--- a/builtin/mainmenu/pkgmgr.lua
+++ b/builtin/mainmenu/pkgmgr.lua
@@ -309,6 +309,48 @@ function pkgmgr.get_dependencies(path)
 	return table.concat(info.depends or {}, ","), table.concat(info.optional_depends or {}, ",")
 end
 
+----------- tests whether all of the mods in the modpack are enabled -----------
+function pkgmgr.is_modpack_entirely_enabled(data, name)
+	local rawlist = data.list:get_raw_list()
+	for j = 1, #rawlist do
+		if rawlist[j].modpack == name and not rawlist[j].enabled then
+			return false
+		end
+	end
+	return true
+end
+
+---------- toggles or en/disables a mod or modpack -----------------------------
+function pkgmgr.enable_mod(this, toset)
+	local mod = this.data.list:get_list()[this.data.selected_mod]
+
+	-- game mods can't be enabled or disabled
+	if mod.is_game_content then
+		return
+	end
+
+	-- toggle or en/disable the mod
+	if not mod.is_modpack then
+		if toset == nil then
+			mod.enabled = not mod.enabled
+		else
+			mod.enabled = toset
+		end
+		return
+	end
+
+	-- toggle or en/disable every mod in the modpack, interleaved unsupported
+	local list = this.data.list:get_raw_list()
+	for i = 1, #list do
+		if list[i].modpack == mod.name then
+			if toset == nil then
+				toset = not list[i].enabled
+			end
+			list[i].enabled = toset
+		end
+	end
+end
+
 --------------------------------------------------------------------------------
 function pkgmgr.get_worldconfig(worldpath)
 	local filename = worldpath ..
-- 
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