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
|
use termion::event::Key;
use crate::coordinates::{Coordinates};
use crate::widget::Widget;
pub trait Tabbable {
fn new_tab(&mut self);
fn close_tab(&mut self);
fn next_tab(&mut self);
fn on_next_tab(&mut self);
fn get_tab_names(&self) -> Vec<Option<String>>;
fn active_tab(&self) -> &dyn Widget;
fn active_tab_mut(&mut self) -> &mut dyn Widget;
fn on_key(&mut self, key: Key) {
match key {
Key::Ctrl('t') => { self.new_tab(); },
Key::Ctrl('w') => self.close_tab(),
Key::Char('\t') => self.next_tab(),
_ => self.active_tab_mut().on_key(key)
}
}
}
#[derive(PartialEq)]
pub struct TabView<T> where T: Widget, TabView<T>: Tabbable {
pub widgets: Vec<T>,
pub active: usize,
coordinates: Coordinates
}
impl<T> TabView<T> where T: Widget, TabView<T>: Tabbable {
pub fn new() -> TabView<T> {
TabView {
widgets: vec![],
active: 0,
coordinates: Coordinates::new()
}
}
pub fn push_widget(&mut self, widget: T) {
self.widgets.push(widget);
self.refresh();
}
pub fn pop_widget(&mut self) -> Option<T> {
let widget = self.widgets.pop();
self.refresh();
widget
}
pub fn active_tab_(&self) -> &T {
&self.widgets[self.active]
}
pub fn active_tab_mut_(&mut self) -> &mut T {
&mut self.widgets[self.active]
}
pub fn close_tab_(&mut self) {
if self.active == 0 { return }
if self.active + 1 >= self.widgets.len() { self.active -= 1 }
self.pop_widget();
}
pub fn next_tab_(&mut self) {
if self.active + 1 == self.widgets.len() {
self.active = 0;
} else {
self.active += 1
}
self.on_next_tab();
}
}
impl<T> Widget for TabView<T> where T: Widget, TabView<T>: Tabbable {
fn render_header(&self) -> String {
let xsize = self.get_coordinates().xsize();
let header = self.active_tab_().render_header();
let mut tab_names = self.get_tab_names();
let mut nums_length = 0;
let tabnums = (0..self.widgets.len()).map(|num| {
nums_length += format!("{}:{} ",
num,
tab_names[num].as_ref().unwrap()).len();
if num == self.active {
format!(" {}{}:{}{}{}",
crate::term::invert(),
num,
tab_names[num].as_ref().unwrap(),
crate::term::reset(),
crate::term::header_color())
} else {
format!(" {}:{}", num, tab_names[num].as_ref().unwrap())
}
}).collect::<String>();
let nums_pos = xsize - nums_length as u16;
format!("{}{}{}{}",
header,
crate::term::header_color(),
crate::term::goto_xy(nums_pos, 1),
tabnums)
}
fn render_footer(&self) -> String {
self.active_tab_().render_footer()
}
fn refresh(&mut self) {
self.active_tab_mut().refresh();
}
fn get_drawlist(&self) -> String {
self.active_tab_().get_drawlist()
}
fn get_coordinates(&self) -> &Coordinates {
&self.coordinates
}
fn set_coordinates(&mut self, coordinates: &Coordinates) {
if self.coordinates == *coordinates {
return;
}
self.coordinates = coordinates.clone();
self.refresh();
}
fn on_key(&mut self, key: Key) {
Tabbable::on_key(self, key);
}
}
|
