commit 1e4c5e700cfd2f626ed60e709a6ddc4b05a561e4
Author: erius <egor_kapralov2003@mail.ru>
Date:   Sun May 26 23:02:55 2024 +0300

    Initial commit, moved from mathematical repo

diff --git a/.gitignore b/.gitignore
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+ "prokio",
+ "rustversion",
+ "serde",
+ "slab",
+ "thiserror",
+ "tokio",
+ "tracing",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "yew-macro",
+]
+
+[[package]]
+name = "yew-macro"
+version = "0.21.0"
+source = "git+https://github.com/yewstack/yew/#dbdd3b78e1f0aada1834dec5c6ee83449db9d220"
+dependencies = [
+ "once_cell",
+ "prettyplease",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.66",
+]
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..74d06d1
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "mathematical-web"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+mathematical = { git = "https://git.obamna.ru/erius/mathematical" }
+num = "0.4.3"
+log = "0.4.21"
+wasm-bindgen = "0.2.92"
+wasm-logger = "0.2.0"
+web-sys = "0.3.69"
+yew = { git = "https://github.com/yewstack/yew/", features = ["csr"] }
diff --git a/Trunk.toml b/Trunk.toml
new file mode 100644
index 0000000..86a58f6
--- /dev/null
+++ b/Trunk.toml
@@ -0,0 +1,3 @@
+[serve]
+address = "127.0.0.1"
+port = 8080
diff --git a/assets/favicon.ico b/assets/favicon.ico
new file mode 100644
index 0000000..3f2c5bf
Binary files /dev/null and b/assets/favicon.ico differ
diff --git a/index.html b/index.html
new file mode 100644
index 0000000..f01b0d6
--- /dev/null
+++ b/index.html
@@ -0,0 +1,11 @@
+<!doctype html>
+<html lang="en">
+    <head>
+        <meta charset="utf-8" />
+        <title>Mathematical</title>
+        <link data-trunk rel="rust" />
+        <link data-trunk rel="scss" href="index.scss" />
+        <link data-trunk rel="icon" href="assets/favicon.ico" />
+    </head>
+    <body></body>
+</html>
diff --git a/index.scss b/index.scss
new file mode 100644
index 0000000..20c0552
--- /dev/null
+++ b/index.scss
@@ -0,0 +1,29 @@
+$bg-color: #2b2927;
+$text-color: #e2e19c;
+$cell-color: #473b34;
+
+body {
+    background-color: $bg-color;
+    color: $text-color;
+}
+
+.matrix {
+    display: grid;
+    gap: 50px;
+    grid-template-columns: auto 100px;
+    grid-template-rows: auto 100px;
+    justify-content: start;
+
+    input {
+        background-color: $cell-color;
+        color: $text-color;
+        border: solid 1px black;
+        width: 30pt;
+    }
+
+    button {
+        background-color: $cell-color;
+        color: $text-color;
+        border: solid 1px black;
+    }
+}
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..79bfef9
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,18 @@
+mod matrix;
+
+use yew::prelude::*;
+use matrix::MatrixComponent;
+
+#[function_component]
+fn App() -> Html {
+    html! {
+        <>
+            <MatrixComponent />
+        </>
+    }
+}
+
+fn main() {
+    wasm_logger::init(wasm_logger::Config::default());
+    yew::Renderer::<App>::new().render();
+}
diff --git a/src/matrix.rs b/src/matrix.rs
new file mode 100644
index 0000000..48da116
--- /dev/null
+++ b/src/matrix.rs
@@ -0,0 +1,113 @@
+use mathematical::matrix::Matrix;
+use num::BigRational;
+use yew::prelude::*;
+use web_sys::HtmlInputElement;
+use wasm_bindgen::JsCast;
+
+pub enum MatrixMsg {
+    CellChange(Cell),
+    AddRow,
+    AddColumn,
+    RemoveRow,
+    RemoveColumn
+}
+
+#[derive(PartialEq, Clone)]
+pub struct Cell {
+    i: usize, j: usize, value: BigRational
+}
+
+pub struct MatrixComponent {
+    matrix: Matrix<BigRational>
+}
+
+impl Component for MatrixComponent {
+    type Message = MatrixMsg;
+    type Properties = ();
+
+    fn create(_ctx: &Context<Self>) -> Self {
+        Self { matrix: Matrix::new_zeroes(3, 3) }
+    }
+
+    fn update(&mut self, _ctx: &Context<Self>, msg: Self::Message) -> bool {
+        match msg {
+            MatrixMsg::CellChange(cell) => self.matrix[cell.i][cell.j] = cell.value,
+            MatrixMsg::AddRow => self.matrix.append_row_zeroes(),
+            MatrixMsg::AddColumn => self.matrix.append_column_zeroes(),
+            MatrixMsg::RemoveRow => {
+                if self.matrix.height() > 2 {
+                    self.matrix.remove_last_row();
+                }
+            },
+            MatrixMsg::RemoveColumn => {
+                if self.matrix.width() > 2 {
+                    self.matrix.remove_last_column();
+                }
+            }
+        }
+        return true;
+    }
+
+    fn view(&self, ctx: &Context<Self>) -> Html {
+        let on_size_change = ctx.link().callback(|msg| msg);
+        html! {
+            <div class={classes!("matrix")}>
+                <table> {
+                    self.matrix.iter_rows().enumerate().map(|(i, row)| html! {
+                        <tr> {
+                            row.iter().enumerate().map(|(j, _)| {
+                                let oninput = ctx.link().batch_callback(move |e: InputEvent| {
+                                    let input = e.target().unwrap().unchecked_into::<HtmlInputElement>();
+                                    let Ok(value) = input.value().trim().parse::<BigRational>()
+                                    else { return None };
+                                    Some(MatrixMsg::CellChange(Cell{i, j, value}))
+                                });
+                                log::info!("{:?}", self.matrix);
+                                html! {
+                                    <td>
+                                        <input type="text" {oninput}/>
+                                    </td>
+                                }
+                            }).collect::<Html>()
+                        }
+                        </tr>
+                    }).collect::<Html>()
+                }
+                </table>
+                <MatrixSizeControls {on_size_change} />
+            </div>
+        }
+    }
+}
+
+#[derive(PartialEq, Properties)]
+pub struct MatrixSizeControlsProps {
+    on_size_change: Callback<MatrixMsg>
+}
+
+#[function_component]
+pub fn MatrixSizeControls(props: &MatrixSizeControlsProps) -> Html {
+    let on_click_add_row = props.on_size_change.reform(|_| MatrixMsg::AddRow);
+    let on_click_add_column = props.on_size_change.reform(|_| MatrixMsg::AddColumn);
+    let on_click_remove_row = props.on_size_change.reform(|_|MatrixMsg::RemoveRow);
+    let on_click_remove_column = props.on_size_change.reform(|_| MatrixMsg::RemoveColumn);
+    html! {
+        <div class={classes!("matrix-size-controls")}>
+            <div>
+                <button onclick={on_click_add_row}>{"Add row"}</button>
+                <button onclick={on_click_remove_row}>{"Remove row"}</button>
+            </div>
+            <div>
+                <button onclick={on_click_add_column}>{"Add column"}</button>
+                <button onclick={on_click_remove_column}>{"Remove column"}</button>
+            </div>
+        </div>
+    }
+}
+
+#[derive(PartialEq, Properties)]
+pub struct MatrixCellProps {
+    contents: String,
+    cell: Cell,
+    on_cell_change: Callback<Cell>
+}