Impl basic MVP of front-end

(MVP is Minimum Viable Product.)
Enough is implemented to view a 7x8 board and click on the tiles in the
board to change their states.
This commit is contained in:
Stephen Seo 2022-02-28 16:40:38 +09:00
parent a5ec28bbb1
commit cd9f7446a4
6 changed files with 708 additions and 2 deletions

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@ -1 +1,2 @@
/target /target
/dist

441
front_end/Cargo.lock generated Normal file
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@ -0,0 +1,441 @@
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@ -6,3 +6,4 @@ edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies] [dependencies]
yew = "0.19"

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front_end/README.md Normal file
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@ -0,0 +1,10 @@
# How to Test
- Have Rust installed via rustup.
- Have the wasm target installed.
- `rustup target add wasm32-unknown-unknown`
- Have `trunk` installed and in PATH.
- `cargo install trunk`
- Serve the front-end via trunk.
- `trunk serve`
- This should serve a local server at `127.0.0.1:8080`

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front_end/index.html Normal file
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@ -0,0 +1,79 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Four-Line Dropper</title>
<style>
div.wrapper {
display: grid;
grid-template-columns: repeat(7, 50px);
gap: 2px;
grid-auto-rows: 50px;
border: 0px;
}
button.slot {
width: 50px;
height: 50px;
border: 1px solid black;
padding: 0px;
}
button.r0 {
grid-row: 1;
}
button.r1 {
grid-row: 2;
}
button.r2 {
grid-row: 3;
}
button.r3 {
grid-row: 4;
}
button.r4 {
grid-row: 5;
}
button.r5 {
grid-row: 6;
}
button.r6 {
grid-row: 7;
}
button.r7 {
grid-row: 8;
}
button.c0 {
grid-column: 1;
}
button.c1 {
grid-column: 2;
}
button.c2 {
grid-column: 3;
}
button.c3 {
grid-column: 4;
}
button.c4 {
grid-column: 5;
}
button.c5 {
grid-column: 6;
}
button.c6 {
grid-column: 7;
}
button.open {
background: #FFF;
}
button.cyan {
background: #0FF;
}
button.magenta {
background: #F0F;
}
</style>
</head>
</html>
<!-- vim: et ts=2 sts=2 sw=2
-->

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@ -1,3 +1,177 @@
fn main() { use yew::prelude::*;
println!("Hello, world!"); use std::rc::Rc;
use std::cell::{Cell, RefCell};
const ROWS: u8 = 8;
const COLS: u8 = 7;
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
enum BoardState {
Empty,
Cyan,
Magenta,
}
impl Default for BoardState {
fn default() -> Self {
Self::Empty
}
}
#[derive(Clone, Debug, PartialEq, Eq)]
struct SharedState {
board: Rc<RefCell<[BoardState; 56]>>,
}
impl Default for SharedState {
fn default() -> Self {
Self {
board: Rc::new(RefCell::new([BoardState::default(); 56])),
}
}
}
struct Slot {
}
enum SlotMessage {
Press(u8),
}
#[derive(Clone, PartialEq, Properties)]
struct SlotProperties {
idx: u8,
state: Rc<Cell<BoardState>>,
}
impl Component for Slot {
type Message = SlotMessage;
type Properties = SlotProperties;
fn create(_ctx: &Context<Self>) -> Self {
Self {}
}
fn view(&self, ctx: &Context<Self>) -> Html {
let idx = ctx.props().idx;
let state = match ctx.props().state.as_ref().get() {
BoardState::Empty => "open",
BoardState::Cyan => "cyan",
BoardState::Magenta => "magenta",
};
let idx_copy = idx.clone();
let onclick = ctx.link().callback(move |_| SlotMessage::Press(idx_copy));
let col = idx % COLS;
let row = idx / COLS;
html! {
<button class={format!("slot {} r{} c{}", state, row, col)} id={format!("{}", idx)} onclick={onclick}>
</button>
}
}
fn update(&mut self, ctx: &Context<Self>, msg: Self::Message) -> bool {
match msg {
SlotMessage::Press(idx) => {
let (mut shared, _) = ctx.link().context::<SharedState>(Callback::noop()).expect("shared to be set");
let value_at_idx = shared.board.as_ref().borrow()[idx as usize].clone();
match value_at_idx {
BoardState::Empty => shared.board.as_ref().borrow_mut()[idx as usize] = BoardState::Cyan,
BoardState::Cyan => shared.board.as_ref().borrow_mut()[idx as usize] = BoardState::Magenta,
BoardState::Magenta => shared.board.as_ref().borrow_mut()[idx as usize] = BoardState::Empty,
}
ctx.props().state.as_ref().replace(shared.board.as_ref().borrow_mut()[idx as usize]);
},
}
true
}
}
struct Wrapper {
}
impl Component for Wrapper {
type Message = ();
type Properties = ();
fn create(ctx: &Context<Self>) -> Self {
Self {}
}
fn view(&self, ctx: &Context<Self>) -> Html {
let (mut shared, _) = ctx.link().context::<SharedState>(Callback::noop()).expect("state to be set");
let link = ctx.link();
html! {
<div class="wrapper">
<Slot idx=0 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[0]))} />
<Slot idx=1 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[1]))} />
<Slot idx=2 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[2]))} />
<Slot idx=3 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[3]))} />
<Slot idx=4 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[4]))} />
<Slot idx=5 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[5]))} />
<Slot idx=6 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[6]))} />
<Slot idx=7 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[7]))} />
<Slot idx=8 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[8]))} />
<Slot idx=9 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[9]))} />
<Slot idx=10 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[10]))} />
<Slot idx=11 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[11]))} />
<Slot idx=12 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[12]))} />
<Slot idx=13 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[13]))} />
<Slot idx=14 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[14]))} />
<Slot idx=15 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[15]))} />
<Slot idx=16 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[16]))} />
<Slot idx=17 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[17]))} />
<Slot idx=18 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[18]))} />
<Slot idx=19 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[19]))} />
<Slot idx=20 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[20]))} />
<Slot idx=21 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[21]))} />
<Slot idx=22 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[22]))} />
<Slot idx=23 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[23]))} />
<Slot idx=24 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[24]))} />
<Slot idx=25 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[25]))} />
<Slot idx=26 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[26]))} />
<Slot idx=27 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[27]))} />
<Slot idx=28 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[28]))} />
<Slot idx=29 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[29]))} />
<Slot idx=30 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[30]))} />
<Slot idx=31 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[31]))} />
<Slot idx=32 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[32]))} />
<Slot idx=33 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[33]))} />
<Slot idx=34 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[34]))} />
<Slot idx=35 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[35]))} />
<Slot idx=36 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[36]))} />
<Slot idx=37 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[37]))} />
<Slot idx=38 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[38]))} />
<Slot idx=39 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[39]))} />
<Slot idx=40 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[40]))} />
<Slot idx=41 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[41]))} />
<Slot idx=42 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[42]))} />
<Slot idx=43 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[43]))} />
<Slot idx=44 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[44]))} />
<Slot idx=45 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[45]))} />
<Slot idx=46 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[46]))} />
<Slot idx=47 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[47]))} />
<Slot idx=48 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[48]))} />
<Slot idx=49 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[49]))} />
<Slot idx=50 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[50]))} />
<Slot idx=51 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[51]))} />
<Slot idx=52 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[52]))} />
<Slot idx=53 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[53]))} />
<Slot idx=54 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[54]))} />
<Slot idx=55 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[55]))} />
</div> // wrapper
}
}
}
#[function_component(App)]
fn app() -> Html {
let ctx = use_state(|| SharedState::default());
html! {
<ContextProvider<SharedState> context={(*ctx).clone()}>
<Wrapper />
</ContextProvider<SharedState>>
}
}
fn main() {
yew::start_app::<App>();
} }