From 31ce354a4247f1d96e20b4a02e8dc1ed2676dd64 Mon Sep 17 00:00:00 2001
From: Ryan Aidan <aidan@u.nus.edu>
Date: Thu, 20 Jun 2024 22:40:43 +0800
Subject: [PATCH] fix: next/previous incorrect index (#14)

---
 rm-main/src/ui/components/table.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/rm-main/src/ui/components/table.rs b/rm-main/src/ui/components/table.rs
index a27176a..c394a7c 100644
--- a/rm-main/src/ui/components/table.rs
+++ b/rm-main/src/ui/components/table.rs
@@ -40,7 +40,8 @@ impl<T: Clone> GenericTable<T> {
     pub fn next(&mut self) {
         let mut state = self.state.borrow_mut();
         if let Some(curr) = state.selected() {
-            if curr == self.get_len() {
+            let last_idx = self.get_len() - 1;
+            if curr == last_idx {
                 state.select(Some(0));
             } else {
                 state.select(Some(curr + 1));
@@ -52,8 +53,9 @@ impl<T: Clone> GenericTable<T> {
         let mut state = self.state.borrow_mut();
 
         if let Some(curr) = state.selected() {
+            let last_idx = self.get_len() - 1;
             if curr == 0 {
-                state.select(Some(self.get_len()));
+                state.select(Some(last_idx));
             } else {
                 state.select(Some(curr - 1));
             }