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#[derive(Debug)]
pub struct ContentList<T> {
pub list: Vec<T>,
pub index: usize,
}
impl<T> ContentList<T> {
pub fn new() -> Self {
ContentList {
list: Vec::new(),
index: 0,
}
}
// Go to next item in list
pub fn next(&mut self) {
// if self.index < self.list.len() - 1 {
// self.index += 1;
// }
let len = self.list.len();
if len != 0 {
if self.index == self.list.len() - 1 {
self.index = 0;
} else {
self.index += 1;
}
}
}
/// Go to previous item in list
pub fn prev(&mut self) {
if self.index == 0 {
let len = self.list.len();
if len != 0 {
self.index = len - 1;
}
} else {
self.index -= 1;
}
}
pub fn reset_index(&mut self) {
self.index = 0;
}
}
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