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use cursive::direction::Direction;
use cursive::event::{Event, EventResult, Key};
use cursive::theme::{BaseColor, Color, Style};
use cursive::view::View;
use cursive::{Printer, Vec2};
use chrono::prelude::*;
use chrono::{Local, NaiveDate};
use crate::habit::{Habit, HabitTrait, HabitType, TrackEvent};
pub struct HabitView {
habit: Habit,
// characters to use
true_chr: char,
false_chr: char,
future_chr: char,
// view dimensions
view_width: u32,
view_height: u32,
// color config
reached_color: Color,
todo_color: Color,
future_color: Color,
}
impl HabitView {
pub fn new(habit: Habit) -> Self {
return HabitView {
habit,
true_chr: '·',
false_chr: '·',
future_chr: '·',
view_width: 21,
view_height: 9,
reached_color: Color::Dark(BaseColor::Cyan),
todo_color: Color::Dark(BaseColor::Magenta),
future_color: Color::Light(BaseColor::Black),
};
}
pub fn get_title(&self) -> String {
return self.habit.get_name().to_owned();
}
pub fn get_size(&self) -> Vec2 {
(self.view_width, self.view_height).into()
}
}
impl View for HabitView {
fn draw(&self, printer: &Printer) {
let now = Local::now();
let year = now.year();
let month = now.month();
let goal_reached_style = Style::from(self.reached_color);
let todo_style = Style::from(self.todo_color);
let future_style = Style::from(self.future_color);
for i in 1..=31 {
let day = NaiveDate::from_ymd_opt(year, month, i);
let mut day_style;
if let Some(d) = day {
if self.habit.reached_goal(d) {
day_style = goal_reached_style;
} else {
day_style = todo_style;
}
let coords = ((i % 7) * 3, i / 7 + 2);
let day_chr: Box<dyn std::fmt::Display> = match self.habit.get_by_date(d) {
Some(val) => match val {
HabitType::Bit(b) => {
if *b {
Box::new(self.true_chr)
} else {
Box::new(self.false_chr)
}
}
HabitType::Count(c) => Box::new(c.to_string()),
},
None => {
day_style = future_style;
Box::new(self.future_chr)
}
};
printer.with_style(day_style, |p| {
p.print(coords, &format!("{:^3}", day_chr));
});
}
}
}
fn required_size(&mut self, _: Vec2) -> Vec2 {
(self.view_width, self.view_height).into()
}
fn take_focus(&mut self, _: Direction) -> bool {
true
}
fn on_event(&mut self, e: Event) -> EventResult {
let now = Local::now().naive_utc().date();
match e {
Event::Key(Key::Enter) | Event::Char('n') => {
self.habit.modify(now, TrackEvent::Increment);
return EventResult::Consumed(None);
}
Event::Key(Key::Backspace) | Event::Char('p') => {
self.habit.modify(now, TrackEvent::Decrement);
return EventResult::Consumed(None);
}
_ => return EventResult::Ignored,
}
}
}
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