allow to import dialogs (without checking) with privs priv

fs_export.lua

@@ -5,19 +5,93 @@ yl_speak_up.input_fs_export = function(player, formname, fields)
 		return yl_speak_up.show_fs(player, "talk")
 	elseif(fields and fields.show_readable) then
 		return yl_speak_up.show_fs(player, "export", "show_readable")
-	elseif(fields and fields.show_export) then
+	elseif(fields and (fields.back_to_export or fields.show_export)) then
 		return yl_speak_up.show_fs(player, "export", "show_export")
 	elseif(fields and fields.show_simple_dialogs) then
 		return yl_speak_up.show_fs(player, "export", "show_simple_dialogs")
+	elseif(fields and (fields.import or fields.back_from_error_msg)) then
+		return yl_speak_up.show_fs(player, "export", "import")
+	elseif(fields and fields.really_import and fields.new_dialog_input) then
+		-- importing requires the "privs" priv
+		if(not(minetest.check_player_privs(player, {privs=true}))) then
+			return yl_speak_up.show_fs(player, "msg", {
+				input_to = "yl_speak_up:export",
+				formspec = yl_speak_up.get_fs_quest_edit_error(
+					"You need the \"privs\" priv in order to import NPC data.",
+					"back_from_error_msg")})
+		end
+		local pname = player:get_player_name()
+		local n_id   = yl_speak_up.speak_to[pname].n_id
+		-- actually import the dialog
+		local new_dialog = minetest.parse_json(fields.new_dialog_input or "")
+		if(not(new_dialog)) then
+			return yl_speak_up.show_fs(player, "msg", {
+				input_to = "yl_speak_up:export",
+				formspec = yl_speak_up.get_fs_quest_edit_error(
+					"Failed to parse the .json data.",
+					"back_from_error_msg")})
+		end
+		-- TODO: the dialog has to be checked if it is a valid one (very big TODO!)
+		-- the ID has to be adjusted to this NPC
+		new_dialog.n_id = n_id
+		-- update the entity with name, description and owner
+		if yl_speak_up.speak_to[pname].obj then
+			local obj = yl_speak_up.speak_to[pname].obj
+			local ent = obj:get_luaentity()
+			if ent ~= nil then
+				ent.yl_speak_up.npc_name = new_dialog.n_npc
+				ent.yl_speak_up.npc_description = new_dialog.n_description
+				ent.owner = new_dialog.npc_owner
+				local i_text = new_dialog.n_npc .. "\n" ..
+					new_dialog.n_description .. "\n" ..
+					yl_speak_up.infotext
+				obj:set_properties({infotext = i_text})
+				yl_speak_up.update_nametag(ent)
+			end
+		end
+		-- update the stored dialog
+		yl_speak_up.speak_to[pname].dialog = new_dialog
+		-- save it
+		yl_speak_up.save_dialog(n_id, new_dialog)
+		-- log the change
+		yl_speak_up.log_change(pname, n_id, "Imported new dialog.")
+		return yl_speak_up.show_fs(player, "msg", {
+				input_to = "yl_speak_up:export",
+				formspec = "size[10,3]"..
+					"label[0.5,1.0;Data successfully imported.]"..
+					"button[3.5,2.0;2,0.9;back_from_error_msg;Back]"
+				})
 	end
 end
 
 
 yl_speak_up.get_fs_export = function(player, param)
 	local pname = player:get_player_name()
+	local n_id   = yl_speak_up.speak_to[pname].n_id
 	-- generic dialogs are not part of the NPC
 	local dialog = yl_speak_up.speak_to[pname].dialog
-	local n_id   = yl_speak_up.speak_to[pname].n_id
+	local text = ""
+	if(not(minetest.check_player_privs(pname, {privs=true}))) then
+		text = "You lack the \"privs\" priv that is required in order to import NPC data."
+	end
+	if(param and param == "import") then
+		return table.concat({"size[20,20]label[4,0.5;IMPORT for NPC ",
+			minetest.formspec_escape(n_id or "- ? -"),
+			"dialog data in .json format]",
+			"button[17.8,0.2;2.0,0.9;back_to_export;Back]",
+			"button[3.6,17.2;6.0,0.9;really_import;Yes, I'm sure. Import it!]",
+			"button[10.2,17.2;6.0,0.9;back_to_export;No. Go back, please.]",
+			-- read-only
+			"textarea[0.2,2;19.6,15;new_dialog_input;NEW dialog for ",
+				minetest.formspec_escape(n_id or "- ? -"),
+				":;",
+				text,
+				"]",
+			"textarea[0.2,18.2;19.6,1.8;;;",
+				"WARNING: This is highly experimental and requires the \"privs\" priv. "..
+				"Use in singleplayer on a new NPC - but not on a live server!]",
+		})
+	end
 	local content = ""
 	local explanation = ""
 	local b1 = "button[0.2,17.2;6.0,0.9;show_readable;Human readable format]"..
@@ -48,6 +122,7 @@ yl_speak_up.get_fs_export = function(player, param)
 		table.sort(d_liste)
 		for i, d_id in ipairs(d_liste) do
 			table.insert(tmp, "===")
+			-- TODO: use labels here when available
 			table.insert(tmp, tostring(d_id))
 			table.insert(tmp, "\n")
 			-- :, > and = are not allowed as line start in simple dialogs
@@ -86,6 +161,9 @@ yl_speak_up.get_fs_export = function(player, param)
 		minetest.formspec_escape(n_id or "- ? -"),
 		"dialog data in .json format]",
 		"button[17.8,0.2;2.0,0.9;back;Back]",
+		"button[15.4,0.2;2.0,0.9;import;Import]",
+		"tooltip[import;WARNING: This is highly experimental and requires the \"privs\" priv.\n"..
+			"Use in singleplayer on a new NPC - but not on a live server!]",
 		b1, b2, b3,
 		-- background color for the textarea below
 		"box[0.2,2;19.6,15;#AAAAAA]",