typst-exam/lib.typ
2025-11-17 08:12:57 +01:00

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/*
* Customisation
*/
#let lightgray = rgb("#eeeeee")
// Default font (embedded in Typst)
#let font-text = "libertinus serif"
#let mtext = text.with(font: font-text)
/*
* Macros
*/
// Frame for table, no vertical lines, top and bottom are bold
// s: stroke, to specify e.g. the width and color of strokes
#let frame(s) = (x, y) => (
left: none,
right: none,
top: if y > 0 { s } else { 2*s },
bottom: 2*s,
)
#let capitalize(string) = {
return string.replace(
regex("[A-Za-z]+('[A-Za-z]+)?"),
word => upper(word.text.first()) + lower(word.text.slice(1)),
)
}
#let get_L(k, cap:false) = context {
let translations = state("translations").get()
let term = translations.at(k, default:k)
if cap {
return capitalize(term)
} else {
return term
}
}
// Formats number of points, "1 Punkt", "2 Punkte", etc.
// p: int
#let format_points = (p) => (
context {
if p <= 1 {
[#p #get_L("point")]
} else {
[#p #get_L("points")]
}
}
)
// Displays a list of sub-questions and the associated points
// items: array of (int, expression), where
// - int is the number of points this item is worth,
// - expression is the item to typeset.
// example:
// #exercise_items((
// (1, [Untersuchen Sie, ob $f$ injektiv ist.]),
// (1, [Untersuchen Sie, ob $f$ surjektiv ist.]),
// (1, [Geben Sie im Falle ihrer Existenz die Umkehrfunktion $f^(1)$ an.])
//))
#let exercise_items(items) = block[
#let c = counter("exercise_items")
#c.update(0)
#table(
columns: (1fr, auto),
stroke: none,
..for (points, statement) in items {
let pt
if points <= 1 {
pt = get_L("point_short")
} else {
pt = get_L("points_short")
}
(
[#c.step()#v(4pt) *#context c.display("a)")* #statement],
rect(radius:1cm, inset: (x:5pt, y:3pt), stroke: gray+0.5pt)[#points #pt],
)
}
)]
// Displays a header for the exercise, ex. number is incremented automatically
// Used to compute the overview table (see below)
// title: string, title of the exercise
// points: int, the number of points the exercise is worth
#let exercise_header(title, points) = {
let exercise_counter = counter("exercise")
context {
let exercise_registry = state("exercise-registry").get()
exercise_counter.step()
let exercise_label = exercise_counter.display()
// exercise_registry.update(entries => entries + ((exercise_label, title, points),))
}
block(radius: 1cm, stroke: none, fill: lightgray, inset: 1pt,
table(
columns: (auto, 1fr, auto),
align: (left, center, right),
stroke: none,
[#rect(radius:1cm, outset: 4pt, inset: (x:2pt, y:0pt), fill: white)[*#get_L("exercise") #context{exercise_counter.display()}*]], [#title], [#rect(radius:1cm, outset: 4pt, inset: (x:2pt, y:0pt), fill: white)[*#format_points(points)*]],
)
)}
#let exam(
title: "%KLAUSUR or EXAM%",
subtitle: [%COURSE_TITLE_FIRST_LINE% \ %COURSE_TITLE_SECOND_LINE%],
header_left: "%COURSE_SHORT_TITLE%",
header_right: "%DATE%",
course_number: "%COURSE_NUMBER%",
duration_minutes: "%DURATION%",
instructions: none,
language: "de", // or "en"
font-size: 12pt,
paper-size: "a4",
body
) = {
/*
* Setup
*/
// Paper and text size
set page(paper: paper-size)
set text(size: font-size, lang: language, hyphenate: true)
/*
* Localization
*/
let translations = none
if language == "en" {
translations = (
course_number: "Course number",
exam_duration: "Exam duration",
student_name: "Name",
student_number: "Student number",
trainer_name: "Trainer",
exercise: "Exercise",
point: "point",
points: "points",
point_short: "pt",
points_short: "pts",
total_points: "Total",
minutes: "minutes",
)
} else if language == "de" {
translations = (
course_number: "LV-Nummer",
exam_duration: "Arbeitszeit",
student_name: "Name",
student_number: "Matrikelnr.",
trainer_name: "Übungsleiter",
exercise: "Beispiel",
point: "Punkt",
points: "Punkte",
point_short: "P.",
points_short: "P.",
total_points: "Gesamt",
minutes: "Minuten",
)
}
state("translations").update(translations)
// State and counter for exercises
context { let exercise_registry = state("exercise-registry", ()) }
// Displays an overview of the exam as a table, with
// a row per exercise, the corresponding points and space to write the mark.
// The
let exercise_overview_table() = context {
let entries = state("exercise-registry").final()
let total_points = entries.fold(0, (sum, entry) => sum + entry.at(2))
align(center)[
#set text(size: 14pt)
#table(
columns: (auto, auto),
stroke: frame(0.5pt),
fill: none,
inset: 10pt,
align: horizon,
table.header[#get_L("exercise")][#get_L("points", cap: true)],
table.hline(stroke: 1pt),
..for entry in entries {
(
[#entry.at(0)],
[#h(2cm) / #entry.at(2)],
)
},
table.hline(stroke: 1pt),
[*#get_L("total_points")*], [#h(2.2cm) / *#total_points*]
)
]
}
// Header and footer
set page(
header: [
#header_left
#h(1fr)
_#(header_right)_
],
footer: [#align(right)[#context(counter(page).display("1 / 1", both:true))]],
)
// Title page
v(1fr)
align(center)[= #title]
v(0.5cm)
align(center)[== #subtitle]
v(1fr)
[*#get_L("course_number")*: #course_number* \ #get_L("exam_duration"): #duration_minutes #get_L("minutes")*]
v(0.5cm)
table(
fill: (lightgray, none),
stroke: frame(0.5pt),
columns: (auto, 1fr),
inset: 10pt,
align: horizon,
[#get_L("student_name")], [],
[#get_L("student_number")], [],
[#get_L("trainer_name")], [], // comment this line if unneeded
)
v(0.5cm)
if (instructions != none) {
[ #instructions ]
} else {
if language == "de" [
- Es sind keine Unterlagen und auch keine Taschenrechner erlaubt.
- Alle Rechenschritte (inklusive Zwischenresultate und Lösungswege) sind anzugeben und alle Antworten genau zu begründen bzw. zu beweisen!
- Schreiben Sie auf jedes _lose_ Blatt Ihren Namen und Ihre Matrikelnummer!
- Nicht mit roter Farbe schreiben.
]
if language == "en" [
- Course material and calculators are not allowed.
- Write down all the steps, including intermediate results. All answers must be substantiated!
- Do not write in red.
]
}
v(1fr)
// exercise_overview_table()
v(1fr)
pagebreak()
body
}