datagrid/
datagrid.rs

1use crossterm::event::{Event, KeyCode};
2use flux_tui::canvas::Canvas;
3use flux_tui::common::*;
4use flux_tui::components::*;
5use flux_tui::tui::Tui;
6use flux_tui::window::*;
7use std::cell::RefCell;
8use std::rc::Rc;
9use vector2d::Vector2D;
10
11fn main() {
12	let control = Rc::new(RefCell::new(Control::default()));
13	let mut tui = Tui::new(control.clone()).unwrap();
14	tui.render().unwrap();
15	while let Ok(()) = tui.handle_next_event() {
16		if !control.borrow().running {
17			return;
18		}
19		tui.render().unwrap();
20	}
21}
22
23#[derive(Clone)]
24struct ExampleRow {
25	value_a: String,
26	value_b: i32,
27	value_c: bool,
28	value_d: f32,
29}
30
31impl ExampleRow {
32	fn new<S: ToString>(a: S, b: i32, c: bool, d: f32) -> Self {
33		Self {
34			value_a: a.to_string(),
35			value_b: b,
36			value_c: c,
37			value_d: d,
38		}
39	}
40}
41
42impl DataRow for ExampleRow {
43	fn get_data<'a>(&'a self, column: usize) -> Option<DataValue<'a>> {
44		match column {
45			0 => Some(DataValue::String(&self.value_a)),
46			1 => Some(DataValue::Integer(self.value_b)),
47			2 => Some(DataValue::Float(self.value_d)),
48			3 => Some(DataValue::Boolean(self.value_c)),
49			_ => None,
50		}
51	}
52}
53
54struct ExampleDataSource {
55	rows: [ExampleRow; 12],
56	defs: [ColumnDefiniton; 4],
57}
58
59impl Default for ExampleDataSource {
60	fn default() -> Self {
61		Self {
62			rows: [
63				ExampleRow::new("a", 1, true, 4.5),
64				ExampleRow::new("bb", 31, false, 42.25),
65				ExampleRow::new("ccc", 123, true, 4.265),
66				ExampleRow::new("d", 1311, true, 24.125),
67				ExampleRow::new("aa", 122, true, 4.5),
68				ExampleRow::new("bbbb", 3281, false, 42.25),
69				ExampleRow::new("cccc", 123, false, 4.265),
70				ExampleRow::new("dd", 13, true, 34.125),
71				ExampleRow::new("aaa", 19, false, 9.5),
72				ExampleRow::new("bbb", 341, false, 11.25),
73				ExampleRow::new("cccccc", 1223, true, 7.265),
74				ExampleRow::new("ddd", 13111, true, 12.125),
75			],
76			defs: [
77				ColumnDefiniton::new("A"),
78				ColumnDefiniton::new("B"),
79				ColumnDefiniton::new("C"),
80				ColumnDefiniton::new("D"),
81			],
82		}
83	}
84}
85
86impl DataSource for ExampleDataSource {
87	fn column_definitions(&self) -> &[ColumnDefiniton] {
88		&self.defs
89	}
90
91	fn rows(&self) -> usize {
92		self.rows.len()
93	}
94
95	fn get_row(&self, row: usize) -> &dyn DataRow {
96		&self.rows[row]
97	}
98}
99
100struct Control {
101	running: bool,
102	uid: WindowUID,
103	datagrid: Rc<RefCell<DataGrid>>,
104}
105
106impl Default for Control {
107	fn default() -> Self {
108		let datagrid = WindowFactory::create::<DataGrid>();
109		{
110			let mut brw = datagrid.borrow_mut();
111			brw.set_data_source(Box::new(ExampleDataSource::default()));
112			//brw.set_radix(Radix::Hexadecimal);
113			brw.set_selection_color(Some(Color::Cyan));
114		}
115
116		Self {
117			uid: WindowUID::new(),
118			datagrid,
119			running: true,
120		}
121	}
122}
123
124impl Window for Control {
125	fn render(&self, _: &mut Canvas) {}
126
127	fn handle_event(&mut self, event: &mut WindowEvent) {
128		if let Event::Key(k) = event.raw() {
129			if k.code == KeyCode::Esc {
130				self.running = false;
131			}
132		}
133	}
134
135	fn children(&mut self, mut builder: SubWindowBuilder) -> SubWindows {
136		builder.add_pair(self.datagrid.clone(), None).ok();
137		builder.build().unwrap()
138	}
139
140	fn focus(&self) -> Option<WindowRef> {
141		Some(self.datagrid.clone())
142	}
143}
144
145impl HasWindowUID for Control {
146	fn uid(&self) -> WindowUID {
147		self.uid
148	}
149}
150
151impl WindowLayout for Control {
152	fn desired_size(&self, available_size: Vector2D<u16>) -> Vector2D<u16> {
153		available_size / 2
154	}
155}
datagrid/datagrid.rs

datagrid/
datagrid.rs
