Add print button

abrechenbarkeit.lua

@@ -114,6 +114,8 @@ local translations = load_translations({ "en", config.language })
 local stylesheet = io.open("style.css"):read("a")
 local script = io.open("script.js"):read("a")
 
+local can_print = false
+
 local function format(template, params)
     params = params or {}
     if template == nil then return "NIL TEMPLATE" end
@@ -225,6 +227,7 @@ local function respond(status, title, body)
                 <a href="/?spus">{+spus}</a>
                 <a href="/?products">{+products}</a>
                 <a href="/?log">{+log}</a>
+                {print_button}
                 <a href="/?about">{+about}</a>
             </nav>
     ]], {
@@ -232,7 +235,9 @@ local function respond(status, title, body)
         style = stylesheet,
         user_style = get_user_theme(path and path:sub(2)),
         script = script,
-        head_extra = config.head_extra or ""
+        head_extra = config.head_extra or "",
+        print_button = can_print and
+            [[<script>document.write('<a href="javascript:print()" style="float:right;">{+print}</a>')</script>]] or ""
     }))
     if config.header ~= nil then
         print(config.header)
@@ -591,6 +596,7 @@ local function r_log(filter)
     if method == "POST" then
         notif = r_transaction_post()
     end
+    can_print = true
     return respond(200, "Abrechnungen", function()
         if notif then print(notif) end
         print([[<table class="log"]])
@@ -874,6 +880,7 @@ local function r_products()
     if method == "POST" then
         notif = r_products_post()
     end
+    can_print = true
     respond(200, "Abrechenbare Product List", function()
         print(format("<h1>{+products.title}</h1>"))
         if notif then print(notif) end

locale/en.ini

@@ -79,3 +79,4 @@ error.open_barcodes=Failed to open barcodes file
 error.no_path=No path
 users.inactive_list=Inactive Users
 users.embezzlement=A total of {amount} are currently under embezzlement.
+print=Print