show log on each dialog; allow to toggle between full and trade log

fs_show_log.lua

@@ -76,17 +76,22 @@ yl_speak_up.input_show_log = function(player, formname, fields)
 	if(not(yl_speak_up.may_edit_npc(player, n_id))) then
 		return
 	end
-	if(fields.back) then
-		-- back to the normal trade list
+	if(fields.show_trade_log) then
+		yl_speak_up.show_fs(player, "show_log", {log_type = "trade"})
+	elseif(fields.show_full_log) then
+		yl_speak_up.show_fs(player, "show_log", {log_type = "full"})
+	elseif(fields.back_to_trade) then
 		yl_speak_up.show_fs(player, "trade_list")
-		return
+	elseif(fields.back_to_talk) then
+		yl_speak_up.show_fs(player, "talk")
 	end
+	return
 end
 
 
 -- helper function for get_fs_show_log
 --   text: list of string
-yl_speak_up.show_log_add_line = function(text, last_day, last_who, last_line, same_lines, entry_type)
+yl_speak_up.show_log_add_line = function(text, last_day, last_who, last_line, same_lines, entry_type, log_type)
 	local line = {}
 	-- split the line up so that it can actually be read
 	local multiline = minetest.wrap_text(last_line, 75, true)
@@ -122,6 +127,9 @@ yl_speak_up.show_log_add_line = function(text, last_day, last_who, last_line, sa
 			table.insert(line, '#00FFFF') -- cyan
 		elseif(entry_type and entry_type == "Trade:") then
 			table.insert(line, '#00BBFF') -- darker cyan
+		elseif(log_type and log_type == 'trade') then
+			-- don't show this line if only trade lines are beeing asked for
+			return
 		elseif(entry_type and entry_type == "error:") then
 			table.insert(line, '#FF4444') -- bright red
 		else
@@ -133,7 +141,7 @@ yl_speak_up.show_log_add_line = function(text, last_day, last_who, last_line, sa
 end
 
 
--- TODO: make use of log_type and toggle between trade entries and full log?
+-- allow to toggle between trade entries and full log
 yl_speak_up.get_fs_show_log = function(player, log_type)
 	local pname = player:get_player_name()
 	local n_id = yl_speak_up.speak_to[pname].n_id
@@ -142,14 +150,27 @@ yl_speak_up.get_fs_show_log = function(player, log_type)
 		return "size[5,1]label[0,0;Error: You do not own this NPC.]"
 	end
 
+	local log_type_desc = "Full"
+	local log_type_switch = "show_trade_log;Show trade log"
+	local back_link = "back_to_talk;Back to talk"
+	if(log_type == "trade") then
+		log_type_desc = "Trade"
+		log_type_switch = "show_full_log;Show full log"
+		back_link = "back_to_trade;Back to trade"
+	end
 	local file, err = io.open(yl_speak_up.worldpath..yl_speak_up.log_path..DIR_DELIM..
 					"log_"..tostring(n_id)..".txt", "r")
 	local formspec = {'size[18,12]'..
-			'button[0.5,11.1;17,0.8;back;Back]'..
-			'label[4.5,0.5;Log of ',
+			'button[0.5,11.1;17,0.8;',
+				back_link,
+				']'..
+			'label[4.5,0.5;'..log_type_desc..' Log of ',
 				minetest.formspec_escape(tostring(dialog.n_npc)..
 							" [ID: "..tostring(n_id).."]"),
 				']',
+			'button[0.5,0.1;3,0.8;',
+				log_type_switch,
+				']',
 			'tablecolumns[' ..
 				'color;text,align=left;'..	-- the date
 				'color;text,align=center;'..	-- name of the player
@@ -182,7 +203,7 @@ yl_speak_up.get_fs_show_log = function(player, log_type)
 				same_lines = same_lines + 1
 			else
 				yl_speak_up.show_log_add_line(text, last_day, last_who, last_line, same_lines,
-					last_entry_type)
+					last_entry_type, log_type)
 				-- store information about the next line
 				same_lines = 0
 				last_line = this_line
@@ -193,7 +214,7 @@ yl_speak_up.get_fs_show_log = function(player, log_type)
 			count = count + 1
 		end
 		-- cover the last line
-		yl_speak_up.show_log_add_line(text, last_day, last_who, last_line, same_lines, last_entry_type)
+		yl_speak_up.show_log_add_line(text, last_day, last_who, last_line, same_lines, last_entry_type, log_type)
 		file:close()
 
 		-- reverse the order so that new entries are on top (newer entries are more intresting)

fs_talkdialog.lua

@@ -31,6 +31,12 @@ yl_speak_up.input_talk = function(player, formname, fields)
 		return
 	end
 
+	if(fields.show_log) then
+		-- show a log
+		yl_speak_up.show_fs(player, "show_log", {log_type = "full"})
+		return
+	end
+
 	-- mobs_redo based NPC may follow their owner, stand or wander around
 	local new_move_order = ""
 	if(fields.order_stand) then
@@ -648,6 +654,13 @@ yl_speak_up.get_fs_talkdialog_add_edit_buttons = function(
 	if(not(may_edit_npc)) then
 		return {h = h, formspec = formspec}
 	end
+	-- button "show log" for those who can edit the NPC (entering edit mode is not required)
+	text = minetest.formspec_escape(
+		"[Log] Show me your log.")
+	h = yl_speak_up.add_edit_button_fs_talkdialog(formspec, h,
+		"show_log",
+		text, text,
+		true, nil, nil, pname_for_old_fs)
 	-- Offer to enter edit mode if the player has the npc_talk_owner priv OR is allowed to edit the NPC.
 	-- The npc_master priv allows to edit all NPC.
 	if(not(edit_mode)) then

fs_trade_list.lua

@@ -49,7 +49,7 @@ yl_speak_up.input_trade_list = function(player, formname, fields)
 
 	if(fields.show_log) then
 		-- show a log
-		yl_speak_up.show_fs(player, "show_log")
+		yl_speak_up.show_fs(player, "show_log", {log_type = "trade"})
 		return
 	end
 
@@ -279,7 +279,7 @@ yl_speak_up.get_fs_trade_list = function(player, show_dialog_option_trades)
 			true, nil, nil, pname_for_old_fs)
 		-- button "show log" for those who can edit the NPC (entering edit mode is not required)
 		text = minetest.formspec_escape(
-			"[Log] Show me who gave you which orders and who bought what.")
+			"[Log] Show me who bought what.")
 		h = yl_speak_up.add_edit_button_fs_talkdialog(formspec, h,
 			"show_log",
 			text, text,