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Add page display, improve formspec creation

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This commit is contained in:
Pierre-Yves Rollo 2018-11-23 20:12:03 +01:00 committed by SmallJoker
parent 2d19bd5c00
commit 24a5900248
1 changed files with 27 additions and 38 deletions
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65
itemlist.lua
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@ -1,21 +1,3 @@
--[[
show_item_list form for Minetest mods
(c) Pierre-Yves Rollo
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
--]]
--[[ The item list dialog can only be displayed from within a node formspec.
To open the item list dialog, add a do_file :
@ -44,8 +26,6 @@ local style={
local modname = minetest.get_current_modname()
-- Context management functions (surely many improvements to do)
local contexts = {}
local function get_player_name(player)
@ -149,19 +129,27 @@ local function show_item_list_formspec(player)
return
end
local fs = 'size['..(style.colsize * style.cols)..','
..(style.linesize * style.lines + 1.3)..']'
..default.gui_bg..default.gui_bg_img..default.gui_slots
..'label[1,0;'..context.title..']'
..'button_exit['..(style.colsize * style.cols - 2)..','
..(style.linesize * style.lines + 0.7)..';2,1;close;Close]'
local parts = {}
parts[#parts + 1] = string.format(
"size[%f,%f]%s%s%slabel[1,0;%s]button_exit[%f,%f;2,1;close;Close]",
(style.colsize * style.cols), (style.linesize * style.lines + 1.3),
default.gui_bg, default.gui_bg_img, default.gui_slots, context.title,
(style.colsize * style.cols - 2), (style.linesize * style.lines + 0.7))
if context.page > 1 then
fs = fs..'button['..(style.colsize * style.cols - 2)..',-0.2;1,1;prev;<]'
local nb_of_pages = get_nb_of_pages(context)
local right = style.colsize * style.cols
if nb_of_pages > 1 then
parts[#parts + 1] = string.format("label[%f,0;Page %d of %d]",
(right - 4), context.page, nb_of_pages)
end
if context.page < get_nb_of_pages(context) then
fs = fs..'button['..(style.colsize * style.cols - 1)..',-0.2;1,1;next;>]'
if context.page > 1 then
parts[#parts + 1] = string.format("button[%f,-0.2;1,1;prev;<]", (right - 2))
end
if context.page < nb_of_pages then
parts[#parts + 1] = string.format("button[%f,-0.2;1,1;next;>]", (right - 1))
end
local index = (style.lines * style.cols) * (context.page - 1)
@ -170,16 +158,17 @@ local function show_item_list_formspec(player)
local x = (col - 1) * style.colsize
for line = 1, style.lines do
index = index + 1
local y = line * style.linesize - 0.2
local y = line * style.linesize
if context.items[index] then
fs = fs..'item_image['..x..','..y..';1,1;'
..context.items[index].name..']label['..(x+1)..','..(y+0.2)..';'
..(context.items[index].description or context.items[index].name)
..']'
parts[#parts + 1] = string.format(
"item_image[%f,%f;1,1;%s]label[%f,%f;%s]",
x, y - 0.2, context.items[index].name, x + 1, y,
(context.items[index].description or context.items[index].name))
end
end
end
minetest.show_formspec(context.playername, modname..':item_list', fs)
minetest.show_formspec(
context.playername, modname..':item_list', table.concat(parts))
end
minetest.register_on_player_receive_fields(function(player, formname, fields)
@ -192,11 +181,11 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
return
end
if fields.next then
if fields.next and context.page < get_nb_of_pages(context) then
context.page = context.page + 1
show_item_list_formspec(context.playername)
end
if fields.prev then
if fields.prev and context.page > 1 then
context.page = context.page - 1
show_item_list_formspec(context.playername)
end