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| 1 | +#![recursion_limit = "1024"] |
| 2 | + |
| 3 | +use rand::prelude::*; |
| 4 | +use std::cmp::min; |
| 5 | +use wasm_bindgen::prelude::wasm_bindgen; |
| 6 | +use yew::prelude::*; |
| 7 | +use yew::web_sys::window; |
| 8 | + |
| 9 | +static ADJECTIVES: &[&str] = &[ |
| 10 | + "pretty", |
| 11 | + "large", |
| 12 | + "big", |
| 13 | + "small", |
| 14 | + "tall", |
| 15 | + "short", |
| 16 | + "long", |
| 17 | + "handsome", |
| 18 | + "plain", |
| 19 | + "quaint", |
| 20 | + "clean", |
| 21 | + "elegant", |
| 22 | + "easy", |
| 23 | + "angry", |
| 24 | + "crazy", |
| 25 | + "helpful", |
| 26 | + "mushy", |
| 27 | + "odd", |
| 28 | + "unsightly", |
| 29 | + "adorable", |
| 30 | + "important", |
| 31 | + "inexpensive", |
| 32 | + "cheap", |
| 33 | + "expensive", |
| 34 | + "fancy", |
| 35 | +]; |
| 36 | + |
| 37 | +static COLOURS: &[&str] = &[ |
| 38 | + "red", "yellow", "blue", "green", "pink", "brown", "purple", "brown", "white", "black", |
| 39 | + "orange", |
| 40 | +]; |
| 41 | + |
| 42 | +static NOUNS: &[&str] = &[ |
| 43 | + "table", "chair", "house", "bbq", "desk", "car", "pony", "cookie", "sandwich", "burger", |
| 44 | + "pizza", "mouse", "keyboard", |
| 45 | +]; |
| 46 | + |
| 47 | +#[derive(Clone, PartialEq)] |
| 48 | +struct RowData { |
| 49 | + id: usize, |
| 50 | + label: String, |
| 51 | +} |
| 52 | + |
| 53 | +impl RowData { |
| 54 | + fn new(id: usize, rng: &mut SmallRng) -> Self { |
| 55 | + let mut label = String::new(); |
| 56 | + label.push_str(ADJECTIVES.choose(rng).unwrap()); |
| 57 | + label.push(' '); |
| 58 | + label.push_str(COLOURS.choose(rng).unwrap()); |
| 59 | + label.push(' '); |
| 60 | + label.push_str(NOUNS.choose(rng).unwrap()); |
| 61 | + |
| 62 | + Self { id, label } |
| 63 | + } |
| 64 | +} |
| 65 | + |
| 66 | +struct Model { |
| 67 | + rows: Vec<RowData>, |
| 68 | + next_id: usize, |
| 69 | + selected_id: Option<usize>, |
| 70 | + rng: SmallRng, |
| 71 | + link: ComponentLink<Self>, |
| 72 | + on_select: Callback<usize>, |
| 73 | + on_remove: Callback<usize>, |
| 74 | +} |
| 75 | + |
| 76 | +enum Msg { |
| 77 | + Run(usize), |
| 78 | + Add(usize), |
| 79 | + Update(usize), |
| 80 | + Clear, |
| 81 | + Swap, |
| 82 | + Remove(usize), |
| 83 | + Select(usize), |
| 84 | +} |
| 85 | + |
| 86 | +impl Component for Model { |
| 87 | + type Message = Msg; |
| 88 | + type Properties = (); |
| 89 | + |
| 90 | + fn create(_: Self::Properties, link: ComponentLink<Self>) -> Self { |
| 91 | + Model { |
| 92 | + rows: Vec::new(), |
| 93 | + next_id: 1, |
| 94 | + selected_id: None, |
| 95 | + rng: SmallRng::from_entropy(), |
| 96 | + on_select: link.callback(|id| Msg::Select(id)), |
| 97 | + on_remove: link.callback(|id| Msg::Remove(id)), |
| 98 | + link, |
| 99 | + } |
| 100 | + } |
| 101 | + |
| 102 | + fn change(&mut self, _: ()) -> ShouldRender { |
| 103 | + false |
| 104 | + } |
| 105 | + |
| 106 | + fn update(&mut self, msg: Self::Message) -> ShouldRender { |
| 107 | + match msg { |
| 108 | + Msg::Run(amount) => { |
| 109 | + let rng = &mut self.rng; |
| 110 | + let next_id = self.next_id; |
| 111 | + let update_amount = min(amount, self.rows.len()); |
| 112 | + for index in 0..update_amount { |
| 113 | + self.rows[index] = RowData::new(next_id + index, rng); |
| 114 | + } |
| 115 | + self.rows.extend( |
| 116 | + (update_amount..amount).map(|index| RowData::new(next_id + index, rng)), |
| 117 | + ); |
| 118 | + self.next_id += amount; |
| 119 | + } |
| 120 | + Msg::Add(amount) => { |
| 121 | + let rng = &mut self.rng; |
| 122 | + let next_id = self.next_id; |
| 123 | + self.rows |
| 124 | + .extend((0..amount).map(|index| RowData::new(next_id + index, rng))); |
| 125 | + self.next_id += amount; |
| 126 | + } |
| 127 | + Msg::Update(step) => { |
| 128 | + for index in (0..self.rows.len()).step_by(step) { |
| 129 | + self.rows[index].label += " !!!"; |
| 130 | + } |
| 131 | + } |
| 132 | + Msg::Clear => { |
| 133 | + self.rows.clear(); |
| 134 | + } |
| 135 | + Msg::Swap => { |
| 136 | + if self.rows.len() > 998 { |
| 137 | + self.rows.swap(1, 998); |
| 138 | + } |
| 139 | + } |
| 140 | + Msg::Remove(id) => { |
| 141 | + if let Some(index) = self.rows.iter().position(|row| row.id == id) { |
| 142 | + self.rows.remove(index); |
| 143 | + } |
| 144 | + } |
| 145 | + Msg::Select(id) => { |
| 146 | + self.selected_id = Some(id); |
| 147 | + } |
| 148 | + } |
| 149 | + true |
| 150 | + } |
| 151 | + |
| 152 | + fn view(&self) -> Html { |
| 153 | + let rows: Html = self |
| 154 | + .rows |
| 155 | + .iter() |
| 156 | + .map(|row| { |
| 157 | + html! { |
| 158 | + <Row key=row.id |
| 159 | + data=row.clone() |
| 160 | + selected=self.selected_id == Some(row.id) |
| 161 | + on_select=self.on_select.clone() |
| 162 | + on_remove=self.on_remove.clone() /> |
| 163 | + } |
| 164 | + }) |
| 165 | + .collect(); |
| 166 | + |
| 167 | + html! { |
| 168 | + <div class="container"> |
| 169 | + <Jumbotron link=self.link.clone() /> |
| 170 | + <table class="table table-hover table-striped test-data"> |
| 171 | + <tbody id="tbody"> |
| 172 | + { rows } |
| 173 | + </tbody> |
| 174 | + </table> |
| 175 | + <span class="preloadicon glyphicon glyphicon-remove" aria-hidden="true"></span> |
| 176 | + </div> |
| 177 | + } |
| 178 | + } |
| 179 | +} |
| 180 | + |
| 181 | +#[derive(Properties, Clone)] |
| 182 | +struct JumbotronProps { |
| 183 | + link: ComponentLink<Model>, |
| 184 | +} |
| 185 | + |
| 186 | +struct Jumbotron { |
| 187 | + link: ComponentLink<Model>, |
| 188 | +} |
| 189 | + |
| 190 | +impl Component for Jumbotron { |
| 191 | + type Properties = JumbotronProps; |
| 192 | + type Message = (); |
| 193 | + |
| 194 | + fn create(props: Self::Properties, _: ComponentLink<Self>) -> Self { |
| 195 | + Self { link: props.link } |
| 196 | + } |
| 197 | + |
| 198 | + fn change(&mut self, _: Self::Properties) -> ShouldRender { |
| 199 | + false |
| 200 | + } |
| 201 | + |
| 202 | + fn update(&mut self, _: Self::Message) -> ShouldRender { |
| 203 | + false |
| 204 | + } |
| 205 | + |
| 206 | + fn view(&self) -> Html { |
| 207 | + html! { |
| 208 | + <div class="jumbotron"> |
| 209 | + <div class="row"> |
| 210 | + <div class="col-md-6"> |
| 211 | + <h1>{ "Yew" }</h1> |
| 212 | + </div> |
| 213 | + <div class="col-md-6"> |
| 214 | + <div class="row"> |
| 215 | + <div class="col-sm-6 smallpad"> |
| 216 | + <button type="button" id="run" class="btn btn-primary btn-block" onclick=self.link.callback(|_| Msg::Run(1_000))>{ "Create 1,000 rows" }</button> |
| 217 | + </div> |
| 218 | + <div class="col-sm-6 smallpad"> |
| 219 | + <button type="button" class="btn btn-primary btn-block" onclick=self.link.callback(|_| Msg::Run(10_000)) id="runlots">{ "Create 10,000 rows" }</button> |
| 220 | + </div> |
| 221 | + <div class="col-sm-6 smallpad"> |
| 222 | + <button type="button" class="btn btn-primary btn-block" onclick=self.link.callback(|_| Msg::Add(1_000)) id="add">{ "Append 1,000 rows" }</button> |
| 223 | + </div> |
| 224 | + <div class="col-sm-6 smallpad"> |
| 225 | + <button type="button" class="btn btn-primary btn-block" onclick=self.link.callback(|_| Msg::Update(10)) id="update">{ "Update every 10th row" }</button> |
| 226 | + </div> |
| 227 | + <div class="col-sm-6 smallpad"> |
| 228 | + <button type="button" class="btn btn-primary btn-block" onclick=self.link.callback(|_| Msg::Clear) id="clear">{ "Clear" }</button> |
| 229 | + </div> |
| 230 | + <div class="col-sm-6 smallpad"> |
| 231 | + <button type="button" class="btn btn-primary btn-block" onclick=self.link.callback(|_| Msg::Swap) id="swaprows">{ "Swap Rows" }</button> |
| 232 | + </div> |
| 233 | + </div> |
| 234 | + </div> |
| 235 | + </div> |
| 236 | + </div> |
| 237 | + } |
| 238 | + } |
| 239 | +} |
| 240 | + |
| 241 | +#[derive(Properties, Clone, PartialEq)] |
| 242 | +struct RowProps { |
| 243 | + on_select: Callback<usize>, |
| 244 | + on_remove: Callback<usize>, |
| 245 | + selected: bool, |
| 246 | + data: RowData, |
| 247 | +} |
| 248 | + |
| 249 | +struct RowState { |
| 250 | + on_select: Callback<MouseEvent>, |
| 251 | + on_remove: Callback<MouseEvent>, |
| 252 | +} |
| 253 | + |
| 254 | +struct Row { |
| 255 | + state: RowState, |
| 256 | + props: RowProps, |
| 257 | +} |
| 258 | + |
| 259 | +impl RowState { |
| 260 | + fn from_props(props: &RowProps) -> Self { |
| 261 | + let id = props.data.id; |
| 262 | + Self { |
| 263 | + on_select: props.on_select.reform(move |_| id), |
| 264 | + on_remove: props.on_remove.reform(move |_| id), |
| 265 | + } |
| 266 | + } |
| 267 | +} |
| 268 | + |
| 269 | +impl Component for Row { |
| 270 | + type Message = (); |
| 271 | + type Properties = RowProps; |
| 272 | + |
| 273 | + fn create(props: Self::Properties, _: ComponentLink<Self>) -> Self { |
| 274 | + Self { |
| 275 | + state: RowState::from_props(&props), |
| 276 | + props, |
| 277 | + } |
| 278 | + } |
| 279 | + |
| 280 | + fn change(&mut self, props: RowProps) -> ShouldRender { |
| 281 | + if self.props != props { |
| 282 | + self.state = RowState::from_props(&props); |
| 283 | + self.props = props; |
| 284 | + true |
| 285 | + } else { |
| 286 | + false |
| 287 | + } |
| 288 | + } |
| 289 | + |
| 290 | + fn update(&mut self, _: ()) -> ShouldRender { |
| 291 | + false |
| 292 | + } |
| 293 | + |
| 294 | + fn view(&self) -> Html { |
| 295 | + html! { |
| 296 | + <tr class=if self.props.selected { "danger" } else { "" }> |
| 297 | + <td class="col-md-1">{ self.props.data.id }</td> |
| 298 | + <td class="col-md-4" onclick=self.state.on_select.clone()> |
| 299 | + <a class="lbl">{ self.props.data.label.clone() }</a> |
| 300 | + </td> |
| 301 | + <td class="col-md-1"> |
| 302 | + <a class="remove" onclick=self.state.on_remove.clone()> |
| 303 | + <span class="glyphicon glyphicon-remove remove" aria-hidden="true"></span> |
| 304 | + </a> |
| 305 | + </td> |
| 306 | + <td class="col-md-6"></td> |
| 307 | + </tr> |
| 308 | + } |
| 309 | + } |
| 310 | +} |
| 311 | + |
| 312 | +#[wasm_bindgen(start)] |
| 313 | +pub fn start() { |
| 314 | + let document = window().unwrap().document().unwrap(); |
| 315 | + let mount_el = document.query_selector("#main").unwrap().unwrap(); |
| 316 | + App::<Model>::new().mount(mount_el); |
| 317 | +} |
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