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|
use crate::interactive::{widgets::COLOR_MARKED_LIGHT, CursorDirection};
use dua::traverse::{Tree, TreeIndex};
use dua::{path_of, ByteFormat};
use itertools::Itertools;
use std::collections::btree_map::Entry;
use std::{borrow::Borrow, collections::BTreeMap, path::PathBuf};
use termion::{event::Key, event::Key::*};
use tui::{
buffer::Buffer,
layout::Rect,
style::{Modifier, Style},
widgets::Block,
widgets::Borders,
widgets::Text,
};
use tui_react::{List, ListProps};
pub type EntryMarkMap = BTreeMap<TreeIndex, EntryMark>;
pub struct EntryMark {
pub size: u64,
pub path: PathBuf,
pub index: usize,
}
#[derive(Default)]
pub struct MarkPane {
selected: Option<usize>,
marked: EntryMarkMap,
list: List,
has_focus: bool,
last_sorting_index: usize,
}
pub struct MarkPaneProps {
pub border_style: Style,
pub format: ByteFormat,
}
impl MarkPane {
#[cfg(test)]
pub fn has_focus(&self) -> bool {
self.has_focus
}
pub fn set_focus(&mut self, has_focus: bool) {
self.has_focus = has_focus;
if has_focus {
self.selected = Some(self.marked.len().saturating_sub(1));
} else {
self.selected = None
}
}
pub fn toggle_index(mut self, index: TreeIndex, tree: &Tree) -> Option<Self> {
match self.marked.entry(index) {
Entry::Vacant(entry) => {
if let Some(e) = tree.node_weight(index) {
let sorting_index = self.last_sorting_index + 1;
self.last_sorting_index = sorting_index;
entry.insert(EntryMark {
size: e.size,
path: path_of(tree, index),
index: sorting_index,
});
}
}
Entry::Occupied(entry) => {
entry.remove();
}
};
if self.marked.is_empty() {
None
} else {
Some(self)
}
}
pub fn marked(&self) -> &EntryMarkMap {
&self.marked
}
pub fn key(&mut self, key: Key) {
match key {
Ctrl('u') | PageUp => self.change_selection(CursorDirection::PageUp),
Char('k') | Up => self.change_selection(CursorDirection::Up),
Char('j') | Down => self.change_selection(CursorDirection::Down),
Ctrl('d') | PageDown => self.change_selection(CursorDirection::PageDown),
_ => {}
};
}
fn change_selection(&mut self, direction: CursorDirection) {
self.selected = self.selected.map(|selected| {
direction
.move_cursor(selected)
.min(self.marked.len().saturating_sub(1))
});
}
pub fn render(&mut self, props: impl Borrow<MarkPaneProps>, area: Rect, buf: &mut Buffer) {
let MarkPaneProps {
border_style,
format,
} = props.borrow();
let marked: &_ = &self.marked;
let title = format!(
"Marked {} items ({}) ",
marked.len(),
format.display(marked.iter().map(|(_k, v)| v.size).sum::<u64>())
);
let block = Block::default()
.title(&title)
.border_style(*border_style)
.borders(Borders::ALL);
let entry_in_view = self
.selected
.map(|selected| selected)
.or(Some(marked.len().saturating_sub(1)));
let selected = self.selected;
let entries = marked
.values()
.sorted_by_key(|v| &v.index)
.enumerate()
.map(|(idx, v)| {
let modifier = match selected {
Some(selected) if idx == selected => Modifier::BOLD,
_ => Modifier::empty(),
};
let name = Text::Styled(
v.path.to_string_lossy(),
Style {
fg: COLOR_MARKED_LIGHT,
modifier,
..Style::default()
},
);
vec![name]
});
let props = ListProps {
block: Some(block),
entry_in_view,
};
self.list.render(props, entries, area, buf)
}
}
|
