From 9f8b1effc83425e69574dfca3a2f99a4b7d69ee0 Mon Sep 17 00:00:00 2001
From: Alexander Weber <web.alexander@web.de>
Date: Wed, 12 Sep 2018 23:58:47 +0200
Subject: [PATCH] added smart_sfinv_navfs mod

---
 README.md                     |   1 +
 smart_sfinv_navfs/depends.txt |   1 +
 smart_sfinv_navfs/init.lua    | 121 ++++++++++++++++++++++++++++++++++
 3 files changed, 123 insertions(+)
 create mode 100644 smart_sfinv_navfs/depends.txt
 create mode 100644 smart_sfinv_navfs/init.lua

diff --git a/README.md b/README.md
index e4ccfd5..9f10444 100644
--- a/README.md
+++ b/README.md
@@ -10,3 +10,4 @@ Author: bell07
 Mod | Description
 -- | --
 smart_sfinv_creative | Replace the default items grouping (Nodes, Tools, Items) by more meaningfull groups per installed mod
+smart_sfinv_navfs | Move all creative groups to left site table for beter overview
diff --git a/smart_sfinv_navfs/depends.txt b/smart_sfinv_navfs/depends.txt
new file mode 100644
index 0000000..e354eb3
--- /dev/null
+++ b/smart_sfinv_navfs/depends.txt
@@ -0,0 +1 @@
+sfinv
diff --git a/smart_sfinv_navfs/init.lua b/smart_sfinv_navfs/init.lua
new file mode 100644
index 0000000..e066606
--- /dev/null
+++ b/smart_sfinv_navfs/init.lua
@@ -0,0 +1,121 @@
+local orig_make_formspec = sfinv.make_formspec
+function sfinv.make_formspec(player, context, content, show_inv, size)
+	context.site_pane_size = 3
+	context.page_size_x = 8
+	context.page_size_y = 8.6
+
+	if size then
+		context.page_size_x, context.page_size_y = size:sub(6,-2):match("([^,]+),([^,]+)")
+		context.page_size_x = tonumber(context.page_size_x)
+		context.page_size_y = tonumber(context.page_size_y)
+	else
+		size = 'size['..context.page_size_x..','..context.page_size_y..']'
+	end
+	local formspec = orig_make_formspec(player, context, content, show_inv, size)
+
+	if context.nav_site and #context.nav_site > 0 then
+		local newsize = 'size['..(context.page_size_x+context.site_pane_size+1)..','..(context.page_size_y)..']'
+		formspec = formspec:gsub(size:gsub("([^%w])", "%%%1"), newsize)
+		formspec = formspec .. "container_end[]"
+	end
+	return formspec
+end
+
+
+------------------------------------------------------------------------
+-- Build up the enhanced nav_fs
+------------------------------------------------------------------------
+function sfinv.get_nav_fs(player, context, nav, current_idx)
+	-- Only show tabs if there is more than one page
+	if #nav < 2 then
+		return ""
+	end
+
+	local nav_titles_above = {}
+	local current_idx_above = -1
+	context.nav_above = {}
+
+	local nav_titles_site = {}
+	local current_idx_site = 0
+	context.nav_site = {}
+
+	for idx, page in ipairs(context.nav) do
+		if page:sub(1,9) == "creative:" then
+			table.insert(nav_titles_site, nav[idx])
+			table.insert(context.nav_site, page)
+			if idx == current_idx then
+				current_idx_site = #nav_titles_site
+			end
+		else
+			table.insert(nav_titles_above, nav[idx])
+			table.insert(context.nav_above, page)
+			if idx == current_idx then
+				current_idx_above = #nav_titles_above
+			end
+		end
+	end
+
+	local formspec = ""
+	if #nav_titles_site > 0 then
+		formspec = formspec.."textlist[0,0;" ..(context.site_pane_size-0.2).. "," .. context.page_size_y ..
+			";smart_sfinv_nav_site;" .. table.concat(nav_titles_site, ",") ..
+			";" .. current_idx_site .. ";true]container["..(context.site_pane_size+0.5)..",0]"
+	end
+
+	if #nav_titles_above > 0 then
+		if current_idx_above == -1 then
+			table.insert(nav_titles_above,"")
+			current_idx_above = #nav_titles_above
+		end
+		formspec = formspec.."tabheader[0,0;smart_sfinv_nav_tabs_above;" .. table.concat(nav_titles_above, ",") ..
+			";" .. current_idx_above .. ";true;false]"
+	end
+	return formspec
+end
+
+------------------------------------------------------------------------
+-- Process input for enhanced navfs
+------------------------------------------------------------------------
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+	if formname ~= "" or not sfinv.enabled then
+		return false
+	end
+
+	-- Get Context
+	local name = player:get_player_name()
+	local context = sfinv.contexts[name]
+	if not context then
+		sfinv.set_player_inventory_formspec(player)
+		return false
+	end
+
+	-- Was a header tab selected?
+	if fields.smart_sfinv_nav_button_above and context.nav_above then
+		local id = context.nav_above[1]
+		local page = sfinv.pages[id]
+		if id and page then
+			sfinv.set_page(player, id)
+		end
+	elseif fields.smart_sfinv_nav_tabs_above and context.nav_above then
+		local tid = tonumber(fields.smart_sfinv_nav_tabs_above)
+		if tid and tid > 0 then
+			local id = context.nav_above[tid]
+			local page = sfinv.pages[id]
+			if id and page then
+				sfinv.set_page(player, id)
+			end
+		end
+
+	-- Was a site table selected?
+	elseif fields.smart_sfinv_nav_site and context.nav_site then
+		local tid = minetest.explode_textlist_event(fields.smart_sfinv_nav_site).index
+		if tid and tid > 0 then
+			local id = context.nav_site[tid]
+			local page = sfinv.pages[id]
+			if id and page then
+				sfinv.set_page(player, id)
+			end
+		end
+	end
+end)
+