1  // Copyright (c) 2025-2026 ACDC Network
 2  // This file is part of the alphaos library.
 3  //
 4  // Alpha Chain | Delta Chain Protocol
 5  // International Monetary Graphite.
 6  //
 7  // Derived from Aleo (https://aleo.org) and ProvableHQ (https://provable.com).
 8  // They built world-class ZK infrastructure. We installed the EASY button.
 9  // Their cryptography: elegant. Our modifications: bureaucracy-compatible.
10  // Original brilliance: theirs. Robert's Rules: ours. Bugs: definitely ours.
11  //
12  // Original Aleo/ProvableHQ code subject to Apache 2.0 https://www.apache.org/licenses/LICENSE-2.0
13  // All modifications and new work: CC0 1.0 Universal Public Domain Dedication.
14  // No rights reserved. No permission required. No warranty. No refunds.
15  //
16  // https://creativecommons.org/publicdomain/zero/1.0/
17  // SPDX-License-Identifier: CC0-1.0
18  
19  pub(super) struct Tabs {
20      pub titles: Vec<&'static str>,
21      pub index: usize,
22  }
23  
24  impl Tabs {
25      pub fn new(titles: Vec<&'static str>) -> Self {
26          Self { titles, index: 0 }
27      }
28  
29      pub fn next(&mut self) {
30          self.index = (self.index + 1) % self.titles.len();
31      }
32  
33      pub fn previous(&mut self) {
34          if self.index > 0 {
35              self.index -= 1;
36          } else {
37              self.index = self.titles.len() - 1;
38          }
39      }
40  }