// Get the text for a list of courses. Returns "None" for no courses. Returns "All courses" for all courses.
// The list of course names in the canonical order of courses (same as the tab order).
private static string CourseListText(EventDB eventDB, Id <Course>[] courseIds)
{
if (courseIds.Length == 0)
{
return(SelectionDescriptionText.CourseList_None);
}
if (courseIds.Length == QueryEvent.CountCourses(eventDB))
{
return(SelectionDescriptionText.CourseList_AllCourses);
}
StringBuilder builder = new StringBuilder();
Id <Course>[] sortedCourseIds = QueryEvent.SortedCourseIds(eventDB);
List <string> courseNames = new List <string>();
if (courseIds.Contains(new Id <Course>(0)))
{
courseNames.Add(MiscText.AllControls);
}
for (int i = 0; i < sortedCourseIds.Length; ++i)
{
if (courseIds.Contains(sortedCourseIds[i]))
{
courseNames.Add(eventDB.GetCourse(sortedCourseIds[i]).name);
}
}
for (int i = 0; i < courseNames.Count; ++i)
{
if (i != 0)
{
builder.Append(", ");
}
builder.Append(courseNames[i]);
}
return(builder.ToString());
}