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basic notenrechner

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Frieder Hannenheim 2025-01-29 14:57:00 +01:00
parent c875b45c44
commit d8eaa98e36
7 changed files with 223 additions and 21 deletions
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27
src/index.html
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@ -20,30 +20,21 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
<html>
<head>
<title>iFSR Notenrechner</title>
<meta charset="UTF-8">
</head>
<body>
<script src="rechner.js"></script>
<h1>Notenberechnungen</h1>
<p>Hier könnt ihr Vordiploms- und Abschlussnoten ausgewählter Studiengänge der Fakultät Informatik der TU Dresden berechnen.</p>
<h2>Informatik</h2>
<ul>
<li><a href="?note=a_ba_inf">Berechnung Abschlussnote Bachelor Informatik (PO 2009)</a></li>
<li><a href="?note=a_ma_inf">Berechnung Abschlussnote Master Informatik (PO 2010)</a></li>
<li><a href="?note=vordip_inf">Berechnung Vordiplom Informatik (PO 2010)</a></li>
<li><a href="?note=a_dip_inf">Berechnung Abschlussnote Diplom Informatik (PO 2010)</a></li>
<li><a href="?note=a_dip_inf">Berechnung Abschlussnote Diplom Informatik (PO 2004)</a></li>
</ul>
<label for="options">Wähle eine Berechnung aus</label>
<select id="options">
<option disabled selected value> -- -- </option>
</select>
<h2>Medieninformatik</h2>
<ul>
<li><a href="?note=">Berechnung Abschlussnote Bachelor Medieninformatik</a></li>
<li><a href="?note=">Berechnung Abschlussnote Master Medieninformatik</a></li>
<li><a href="?note=">Berechnung Vordiplom bzw. Grundstudium Bakkalaureat Medieninformatik PO 2004</a></li>
<li><a href="?note=">Berechnung Abschlussnote Diplom Medieninformatik (PO 2004)</a></li>
<li><a href="?note=">Berechnung Abschlussnote Bakkalaureat Medieninformatik (PO 2004)</a></li>
</ul>
<div>
<form id="noten"></form>
</div>
<script src="rechner.js"></script>
</body>
</html>

82
src/rechner.ts
View file

@ -16,3 +16,85 @@
import gewichtungen from '../build/gewichtungen.json'
var select = document.getElementById("options") as HTMLSelectElement;
for (let key in gewichtungen) {
let option = document.createElement('option');
option.value = key;
option.text = String(gewichtungen[key as keyof typeof gewichtungen].display_name);
select.add(option);
}
select.selectedIndex = 0;
var noten = document.getElementById("noten") as HTMLFormElement;
select.onchange = function changed() {
noten.innerHTML = "";
let gewichtung_index = select.selectedOptions[0].value as keyof typeof gewichtungen;
let gewichtung = gewichtungen[gewichtung_index];
let table = document.createElement('table');
for (let modulIndex in gewichtung.module) {
let modul = gewichtung.module[modulIndex];
let label = document.createElement('label');
let input = document.createElement('input');
let row = table.insertRow();
input.id = modul.short + "input";
input.type = "number";
input.required = true;
input.min = "1";
input.max = "5";
input.style.width = "70px";
input.step = "0.1";
input.addEventListener("input", () => {
// Validate with the built-in constraints
input.setCustomValidity("");
if (!input.validity.valid) {
return;
}
let note = parseFloat(input.value.replace(",", "."));
if (note > 4) {
input.setCustomValidity("Keine Berechnung möglich bei nicht bestandenen Prüfungen (mit > 4.0)")
}
});
label.htmlFor = input.id;
label.textContent = modul.name;
row.insertCell().appendChild(label);
row.insertCell().appendChild(input);
}
noten.appendChild(table);
let submit = document.createElement('button');
submit.type = "submit";
submit.innerText = "Berechnen";
let result = document.createElement('p');
noten.appendChild(result);
noten.appendChild(submit);
noten.onsubmit = function calculate(event) {
event.preventDefault();
let sum = 0;
let credits = 0;
for (let modulIndex in gewichtung.module) {
let modul = gewichtung.module[modulIndex];
let noteInput = document.getElementById(modul.short + "input") as HTMLInputElement;
let noteString = noteInput.value;
let note = parseFloat(noteString.replace(",", "."));
sum += modul.lp * note;
credits += modul.lp;
}
let endnote = Math.floor((sum / credits) * 10) / 10;
result.innerText = "Deine Note: " + String(endnote);
}
}