From 755fba6ce01fdd76d909e95a95d612c5d817b683 Mon Sep 17 00:00:00 2001
From: Pierre-Yves Rollo <dev@pyrollo.com>
Date: Thu, 28 Dec 2017 20:21:56 +0100
Subject: Added function signs.set_display_text for programmatically changing
 the sign text.

---
 signs/common.lua | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

(limited to 'signs')

diff --git a/signs/common.lua b/signs/common.lua
index 44fd5bf..49c6dd4 100644
--- a/signs/common.lua
+++ b/signs/common.lua
@@ -21,6 +21,13 @@
 local S = signs.intllib
 local F = function(...) return minetest.formspec_escape(S(...)) end
 
+function signs.set_display_text(pos,text)
+	local meta = minetest.get_meta(pos)
+	meta:set_string("display_text", text)
+	meta:set_string("infotext", "\""..text.."\"")
+	display_lib.update_entities(pos)
+end
+
 function signs.set_formspec(pos)
 	local meta = minetest.get_meta(pos)
 	local ndef = minetest.registered_nodes[minetest.get_node(pos).name]
@@ -49,11 +56,8 @@ end
 
 function signs.on_receive_fields(pos, formname, fields, player)
 	if not minetest.is_protected(pos, player:get_player_name()) then
-		local meta = minetest.get_meta(pos)
 		if fields and (fields.ok or fields.key_enter) then
-			meta:set_string("display_text", fields.display_text)
-			meta:set_string("infotext", "\""..fields.display_text.."\"")
-			display_lib.update_entities(pos)
+			signs.set_display_text(pos, fields.display_text)
 		end
 	end
 end
-- 
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