1 files changed, 80 insertions, 0 deletions
diff --git a/shop2/disp.lua b/shop2/disp.lua
new file mode 100644
index 0000000..5260cdc
--- /dev/null
+++ b/shop2/disp.lua
@@ -0,0 +1,80 @@
+local ourname = "ac.kst"
+
+local function printseq(m) return function(q)
+	for _,v in ipairs(q) do
+		print(type(v),v)
+		if type(v) == "number" then
+			m.setTextColor(v)
+		elseif type(v) == "string" then
+			m.write(v)
+		elseif type(v) == "table" then
+			if #v == 2 then
+				-- position
+				m.setCursorPos(v[1],v[2])
+			else
+				error("unknown format")
+			end
+		end
+	end
+end end
+
+local function pad(s,n)
+	s=tostring(s)
+	local l = #s
+	local p = string.rep(" ",math.max(0,n-l))
+	return p..s
+end
+local function centre(s,w)
+	s=tostring(s)
+	local l = #s
+	local p = math.floor(math.max(0,w-l)/2)
+	return string.rep(" ",p)..s
+end
+
+local function disp_shopscreen(items)
+	-- i don't like how hardcoded all the spacing is in this
+	-- but i also don't feel like rewriting it yet.
+	local m = peripheral.wrap"left"
+	m.clear()
+	m.setTextScale(0.5)
+	-- Stock  Price   Adr.  Name
+	--  xxxx  xxxkst  dmn   Diamond
+	-- 123456789012345678901234567890123456789012345678901234567
+	-- 0        1         2         3         4         5
+
+	-- local function fmt_row(m,y, stock,price,adr,name, colour)
+	local function fmt_row(m,y, idesc,
+		colour = colour or colors.cyan
+		printseq(m) {
+			{1,y}, colors.white, pad(stock,5),
+			{8,y}, colors.yellow, pad(price,3), colors.lightGray, "kst",
+			{16,y}, colour, adr,
+			{22,y}, colour, name,
+		}
+	end
+	
+	
+	printseq(m) {
+		{1,1}, colors.orange, "Apiaristics Consortium Store",
+		{1,2}, colors.lightGray, "Stock  Price   Adr.  Name",
+	}
+
+	-- sort alphabetically
+	-- todo: more intuitive sort, once more things are for sale
+	--
+	for ix,i in ipairs() do
+		fmt_row(m,ix+2,i[6],i[2],i[1],i[4],i[5])
+	end
+
+	local w,h = m.getSize()
+
+	printseq(m) {
+		{1,h-1}, colors.blue, centre("/pay <adr>@ac.kst <amount>",w)
+	}
+
+	
+
+		
+end
+
+disp_shopscreen()