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use std::sync::Arc;
use crate::ui::layout::OPTS;
use crate::ui::{self, UiTree};
use crate::{app::State, ops::Op, ui::layout_line};
use itertools::Itertools;
use ratatui::{
style::Style,
text::{Line, Span},
};
pub(crate) fn layout_menu<'a>(layout: &mut UiTree<'a>, state: &'a State, width: usize) {
let Some(ref pending) = state.pending_menu else {
return;
};
if pending.is_hidden {
return;
}
if state.picker.is_some() {
return;
}
let config = Arc::clone(&state.config);
let item = state.screens.last().unwrap().get_selected_item();
let style = &config.style;
let arg_binds = config.bindings.arg_list(pending).collect::<Vec<_>>();
let (target_binds, non_target_binds): (Vec<_>, Vec<_>) = config
.bindings
.list(&pending.menu)
.partition(|keybind| keybind.op.clone().implementation().is_target_op());
let target_binds: Vec<_> = target_binds
.into_iter()
.filter(|keybind| {
keybind
.op
.clone()
.implementation()
.get_action(&item.data)
.is_some()
})
.collect();
let (menu_binds, non_menu_binds): (Vec<_>, Vec<_>) = non_target_binds
.into_iter()
.chunk_by(|bind| &bind.op)
.into_iter()
.map(|(op, binds)| {
let binds: Vec<_> = binds.collect();
(op, binds)
})
.partition(|(op, _binds)| matches!(op, Op::OpenMenu(_)));
let line = item.to_line(Arc::clone(&config));
let separator_style = Style::from(&style.separator);
layout.vertical(None, OPTS, |layout| {
ui::repeat_chars(layout, width, ui::DASHES, separator_style);
layout.horizontal(None, OPTS.gap(3).pad(1), |layout| {
// Column 1: Main menu commands
if !non_menu_binds.is_empty() {
layout.vertical(None, OPTS, |layout| {
layout_line(
layout,
Line::styled(format!("{}", pending.menu), &style.menu.heading),
);
layout_keybinds_table(
layout,
non_menu_binds
.into_iter()
.map(|(op, binds)| {
(
Line::styled(
binds.iter().map(|bind| bind.raw.as_str()).join("/"),
&style.menu.key,
),
Line::raw(op.clone().implementation().display(state)),
)
})
.collect(),
);
});
}
// Column 2: Submenus
if !menu_binds.is_empty() {
layout.vertical(None, OPTS, |layout| {
layout_line(layout, Line::styled("Submenu", &style.menu.heading));
layout_keybinds_table(
layout,
menu_binds
.into_iter()
.map(|(op, binds)| {
let Op::OpenMenu(menu) = op else {
unreachable!();
};
(
Line::styled(
binds.iter().map(|bind| bind.raw.as_str()).join("/"),
&style.menu.key,
),
Line::raw(menu.to_string()),
)
})
.collect(),
);
});
}
// Column 3: Target commands and arguments
layout.vertical(None, OPTS, |layout| {
if !target_binds.is_empty() {
layout_line(layout, line);
layout_keybinds_table(
layout,
target_binds
.into_iter()
.map(|bind| {
(
Line::styled(bind.raw.clone(), &style.menu.key),
Line::raw(bind.op.clone().implementation().display(state)),
)
})
.collect(),
);
}
if !arg_binds.is_empty() {
layout_line(layout, Line::styled("Arguments", &style.menu.heading));
layout_keybinds_table(
layout,
arg_binds
.into_iter()
.map(|bind| {
let Op::ToggleArg(name) = &bind.op else {
unreachable!();
};
let arg = pending.args.get(name.as_str()).unwrap();
(
Line::styled(bind.raw.clone(), &style.menu.key),
Line::from(vec![
Span::raw(arg.display),
Span::raw(" ("),
Span::styled(
arg.get_cli_token().to_string(),
if arg.is_active() {
Style::from(&style.menu.active_arg)
} else {
Style::from(&style.menu.inactive_arg)
},
),
Span::raw(")"),
]),
)
})
.collect(),
);
}
});
});
});
}
fn layout_keybinds_table<'a>(layout: &mut UiTree<'a>, items: Vec<(Line<'a>, Line<'a>)>) {
layout.horizontal(None, OPTS.gap(1), |layout| {
layout.vertical(None, OPTS, |layout| {
for (key, _) in items.iter() {
layout_line(layout, key.clone());
}
});
layout.vertical(None, OPTS, |layout| {
for (_, value) in items {
layout_line(layout, value);
}
});
});
}