prism 0.1.0

An experimental chart library for iced.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137

use prism::chart::{
    Chart,
    series::{line_series, point, point_series},
};

use iced::{Element, Length, Task, Theme, widget::container};

fn main() -> Result<(), iced::Error> {
    iced::application(App::title, App::update, App::view)
        .theme(App::theme)
        .antialiasing(true)
        .run_with(App::new)
}

#[derive(Debug, Clone)]
enum Message {
    OnMove(Option<Vec<(ItemId, usize)>>),
}

#[derive(Debug)]
struct App {
    data: Vec<StyledPoint>,
    selected_item: Option<usize>,
}

#[derive(Debug)]
struct StyledPoint {
    coords: (f32, f32),
    color: iced::Color,
    border_color: iced::Color,
    border: f32,
}

#[derive(Debug, Clone, PartialEq, Eq)]
enum ItemId {
    PointList,
}

impl App {
    pub fn new() -> (Self, Task<Message>) {
        let red = iced::Color::from_rgb8(255, 0, 0);
        let green = iced::Color::from_rgb8(0, 255, 0);
        let blue = iced::Color::from_rgb8(42, 142, 255);
        let yellow = iced::Color::from_rgb8(238, 230, 0);

        let border = 2.0;

        let data = vec![
            StyledPoint {
                coords: (0.0, 0.0),
                color: yellow,
                border_color: red,
                border,
            },
            StyledPoint {
                coords: (1.0, 1.0),
                color: yellow,
                border_color: green,
                border,
            },
            StyledPoint {
                coords: (2.0, 1.0),
                color: green,
                border_color: blue,
                border: 1.0,
            },
            StyledPoint {
                coords: (3.0, 0.0),
                color: green,
                border_color: yellow,
                border: 3.0,
            },
        ];

        (
            Self {
                data,
                selected_item: None,
            },
            Task::none(),
        )
    }

    pub fn title(&self) -> String {
        "pliced".to_string()
    }

    pub fn update(&mut self, msg: Message) -> Task<Message> {
        if let Message::OnMove(Some(items)) = &msg {
            self.selected_item = items.first().map(|(_, index)| *index)
        }
        Task::none()
    }

    pub fn view(&self) -> Element<'_, Message> {
        let palette = self.theme().palette();
        container(
            Chart::new()
                .width(Length::Fill)
                .height(Length::Fill)
                .x_range(-0.5..=3.5)
                .y_range(-0.5..=1.5)
                .push_series(line_series(&self.data).color(palette.text))
                .push_series(
                    point_series(self.data.iter())
                        .color(palette.danger)
                        .style_for_each(|_index, item| point::Style {
                            color: Some(item.color),
                            border_color: Some(item.border_color),
                            border: item.border,
                            ..Default::default()
                        })
                        .with_id(ItemId::PointList),
                )
                .on_move(|state| Message::OnMove(state.items().cloned())),
        )
        .into()
    }

    pub fn theme(&self) -> Theme {
        Theme::TokyoNight
    }
}

impl From<&StyledPoint> for (f32, f32) {
    fn from(point: &StyledPoint) -> Self {
        let (x, y) = point.coords;
        (x, y)
    }
}

impl From<StyledPoint> for (f32, f32) {
    fn from(point: StyledPoint) -> Self {
        let (x, y) = point.coords;
        (x, y)
    }
}