Added study programme selector

ui.js

@@ -110,6 +110,29 @@ async function author_info_layout(content, result) {
 		.finish());
 }
 
+async function programme_layout(content, result) {
+	let faculty = steps.faculty.result.name;
+	let programmes_faculty = programmes[faculty];
+	let options = [
+		[[-1, "(žádný)"]],
+		programmes_faculty.map((x, idx) => [
+			idx,
+			"(" + x.title + ", " + x.form.slice(0, 4) + ".) " + x.cs_name
+		])
+	].flat().map(x => new ElementBuilder("option")
+		.value(x[0])
+		.text(x[1])
+		.finish());
+
+	content.appendChild(new ElementBuilder("select")
+		.append_all(options)
+		.on_change(e => result.idx = +e.target.value)
+		.value(result.faculty != faculty ? -1 : result.idx)
+		.finish());
+	
+	result.faculty = faculty;
+}
+
 async function collaborators_layout(content, result) {
 	let supervisor_name = new TextInputBuilder(result, "supervisor_name")
 		.placeholder("Jméno vedoucího práce (vč. titulů), příp. vedoucích")