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-rw-r--r--src/views.rs125
1 files changed, 125 insertions, 0 deletions
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1use cursive::direction::Direction;
2use cursive::event::{Event, EventResult, Key};
3use cursive::theme::Style;
4use cursive::view::View;
5use cursive::{Printer, Vec2};
6
7use chrono::prelude::*;
8use chrono::{Local, NaiveDate};
9
10use crate::habit::{Bit, Count, Habit, TrackEvent};
11use crate::CONFIGURATION;
12
13pub trait ShadowView {
14 fn draw(&self, printer: &Printer);
15 fn required_size(&mut self, _: Vec2) -> Vec2;
16 fn take_focus(&mut self, _: Direction) -> bool;
17 fn on_event(&mut self, e: Event) -> EventResult;
18}
19
20// the only way to not rewrite each View implementation for trait
21// objects of Habit is to rewrite the View trait itself.
22impl<T> ShadowView for T
23where
24 T: Habit,
25 T::HabitType: std::fmt::Display,
26{
27 fn draw(&self, printer: &Printer) {
28 let now = Local::now();
29 let year = now.year();
30 let month = now.month();
31
32 let goal_reached_style = Style::from(CONFIGURATION.reached_color);
33 let todo_style = Style::from(CONFIGURATION.todo_color);
34 let future_style = Style::from(CONFIGURATION.future_color);
35
36 printer.with_style(
37 if !printer.focused {
38 future_style
39 } else {
40 goal_reached_style
41 },
42 |p| {
43 p.print(
44 (0, 0),
45 &format!("{:width$}", self.name(), width = CONFIGURATION.view_width),
46 )
47 },
48 );
49
50 for i in 1..=31 {
51 let day = NaiveDate::from_ymd_opt(year, month, i);
52 let day_style;
53
54 if let Some(d) = day {
55 if self.reached_goal(d) {
56 day_style = goal_reached_style;
57 } else {
58 day_style = todo_style;
59 }
60 let coords: Vec2 = ((i % 7) * 3, i / 7 + 2).into();
61 if let Some(c) = self.get_by_date(d) {
62 printer.with_style(day_style, |p| {
63 p.print(coords, &format!("{:^3}", c));
64 });
65 } else {
66 printer.with_style(future_style, |p| {
67 p.print(coords, &format!("{:^3}", CONFIGURATION.future_chr));
68 });
69 }
70 //printer.with_style(day_style, |p| {
71 // p.print(coords, &format!("{:^3}", c));
72 // } else {
73 // p.print(coords, &format!("{:^3}", CONFIGURATION.future_chr));
74 // }
75 //});
76 }
77 }
78 }
79 fn required_size(&mut self, _: Vec2) -> Vec2 {
80 (25, 6).into()
81 }
82
83 fn take_focus(&mut self, _: Direction) -> bool {
84 true
85 }
86
87 fn on_event(&mut self, e: Event) -> EventResult {
88 let now = Local::now().naive_utc().date();
89 match e {
90 Event::Key(Key::Enter) | Event::Char('n') => {
91 self.modify(now, TrackEvent::Increment);
92 return EventResult::Consumed(None);
93 }
94 Event::Key(Key::Backspace) | Event::Char('p') => {
95 self.modify(now, TrackEvent::Decrement);
96 return EventResult::Consumed(None);
97 }
98 _ => return EventResult::Ignored,
99 }
100 }
101}
102
103macro_rules! auto_view_impl {
104 ($struct_name:ident) => {
105 impl View for $struct_name {
106 fn draw(&self, printer: &Printer) {
107 ShadowView::draw(self, printer);
108 }
109 fn required_size(&mut self, x: Vec2) -> Vec2 {
110 ShadowView::required_size(self, x)
111 }
112
113 fn take_focus(&mut self, d: Direction) -> bool {
114 ShadowView::take_focus(self, d)
115 }
116
117 fn on_event(&mut self, e: Event) -> EventResult {
118 ShadowView::on_event(self, e)
119 }
120 }
121 };
122}
123
124auto_view_impl!(Count);
125auto_view_impl!(Bit);