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Mercurial > demo / ui/lib.rs

changeset 17: e4c9ec452eb6
author: ellis <ellis@rwest.io>
date: Sat, 27 May 2023 21:07:55 -0400
permissions: -rw-r--r--
description: ui work 
     1 #![deny(unsafe_code)]
     2 
     3 #[cfg(target_arch = "wasm32")]
     4 use wasm_bindgen::prelude::*;
     5 
     6 slint::include_modules!();
     7 
     8 use std::rc::Rc;
     9 
    10 use slint::{Model, StandardListViewItem, VecModel};
    11 
    12 #[cfg_attr(target_arch = "wasm32", wasm_bindgen(start))]
    13 pub fn run() {
    14     // This provides better error messages in debug mode.
    15     // It's disabled in release mode so it doesn't bloat up the file size.
    16     #[cfg(all(debug_assertions, target_arch = "wasm32"))]
    17     console_error_panic_hook::set_once();
    18 
    19     let app = App::new().unwrap();
    20 
    21     let row_data: Rc<VecModel<slint::ModelRc<StandardListViewItem>>> = Rc::new(VecModel::default());
    22 
    23     for r in 1..101 {
    24         let items = Rc::new(VecModel::default());
    25 
    26         for c in 1..5 {
    27             items.push(slint::format!("Item {r}.{c}").into());
    28         }
    29 
    30         row_data.push(items.into());
    31     }
    32 
    33     app.global::<TableViewPageAdapter>().set_row_data(row_data.clone().into());
    34 
    35     app.global::<TableViewPageAdapter>().on_sort_ascending({
    36         let app_weak = app.as_weak();
    37         let row_data = row_data.clone();
    38         move |index| {
    39             let row_data = row_data.clone();
    40 
    41             let sort_model = Rc::new(row_data.sort_by(move |r_a, r_b| {
    42                 let c_a = r_a.row_data(index as usize).unwrap();
    43                 let c_b = r_b.row_data(index as usize).unwrap();
    44 
    45                 c_a.text.cmp(&c_b.text)
    46             }));
    47 
    48             app_weak.unwrap().global::<TableViewPageAdapter>().set_row_data(sort_model.into());
    49         }
    50     });
    51 
    52     app.global::<TableViewPageAdapter>().on_sort_descending({
    53         let app_weak = app.as_weak();
    54         move |index| {
    55             let row_data = row_data.clone();
    56 
    57             let sort_model = Rc::new(row_data.sort_by(move |r_a, r_b| {
    58                 let c_a = r_a.row_data(index as usize).unwrap();
    59                 let c_b = r_b.row_data(index as usize).unwrap();
    60 
    61                 c_b.text.cmp(&c_a.text)
    62             }));
    63 
    64             app_weak.unwrap().global::<TableViewPageAdapter>().set_row_data(sort_model.into());
    65         }
    66     });
    67 
    68     app.run().unwrap();
    69 }