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Sebastian Thiel
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Jun 5, 2019
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,117 @@ | ||
use crate::interactive::{ | ||
app::{FocussedPane, TerminalApp}, | ||
sorted_entries, | ||
widgets::ReactHelpPane, | ||
}; | ||
use dua::path_of; | ||
use itertools::Itertools; | ||
use petgraph::Direction; | ||
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||
pub enum CursorDirection { | ||
PageDown, | ||
Down, | ||
Up, | ||
PageUp, | ||
} | ||
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impl TerminalApp { | ||
pub fn cycle_focus(&mut self) { | ||
use FocussedPane::*; | ||
self.state.focussed = match (self.state.focussed, &self.window.help_pane) { | ||
(Main, Some(_)) => Help, | ||
(Help, _) => Main, | ||
_ => Main, | ||
}; | ||
} | ||
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pub fn toggle_help_pane(&mut self) { | ||
use FocussedPane::*; | ||
self.state.focussed = match self.state.focussed { | ||
Main => { | ||
self.window.help_pane = Some(ReactHelpPane::default()); | ||
Help | ||
} | ||
Help => { | ||
self.window.help_pane = None; | ||
Main | ||
} | ||
} | ||
} | ||
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pub fn update_message(&mut self) { | ||
self.state.message = None; | ||
} | ||
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pub fn open_that(&mut self) { | ||
match self.state.selected { | ||
Some(ref idx) => { | ||
open::that(path_of(&self.traversal.tree, *idx)).ok(); | ||
} | ||
None => {} | ||
} | ||
} | ||
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pub fn exit_node(&mut self) { | ||
match self | ||
.traversal | ||
.tree | ||
.neighbors_directed(self.state.root, Direction::Incoming) | ||
.next() | ||
{ | ||
Some(parent_idx) => { | ||
self.state.root = parent_idx; | ||
self.state.entries = | ||
sorted_entries(&self.traversal.tree, parent_idx, self.state.sorting); | ||
self.state.selected = self.state.entries.get(0).map(|b| b.index); | ||
} | ||
None => self.state.message = Some("Top level reached".into()), | ||
} | ||
} | ||
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pub fn enter_node(&mut self) { | ||
if let Some(new_root) = self.state.selected { | ||
self.state.entries = sorted_entries(&self.traversal.tree, new_root, self.state.sorting); | ||
match self.state.entries.get(0) { | ||
Some(b) => { | ||
self.state.root = new_root; | ||
self.state.selected = Some(b.index); | ||
} | ||
None => self.state.message = Some("Entry is a file or an empty directory".into()), | ||
} | ||
} | ||
} | ||
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pub fn scroll_help(&mut self, direction: CursorDirection) { | ||
use CursorDirection::*; | ||
if let Some(ref mut pane) = self.window.help_pane { | ||
pane.scroll = match direction { | ||
Down => pane.scroll.saturating_add(1), | ||
Up => pane.scroll.saturating_sub(1), | ||
PageDown => pane.scroll.saturating_add(10), | ||
PageUp => pane.scroll.saturating_sub(10), | ||
}; | ||
} | ||
} | ||
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pub fn change_entry_selection(&mut self, direction: CursorDirection) { | ||
let entries = sorted_entries(&self.traversal.tree, self.state.root, self.state.sorting); | ||
let next_selected_pos = match self.state.selected { | ||
Some(ref selected) => entries | ||
.iter() | ||
.find_position(|b| b.index == *selected) | ||
.map(|(idx, _)| match direction { | ||
CursorDirection::PageDown => idx.saturating_add(10), | ||
CursorDirection::Down => idx.saturating_add(1), | ||
CursorDirection::Up => idx.saturating_sub(1), | ||
CursorDirection::PageUp => idx.saturating_sub(10), | ||
}) | ||
.unwrap_or(0), | ||
None => 0, | ||
}; | ||
self.state.selected = entries | ||
.get(next_selected_pos) | ||
.or(entries.last()) | ||
.map(|b| b.index) | ||
.or(self.state.selected) | ||
} | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -1,7 +1,9 @@ | ||
mod bytevis; | ||
mod common; | ||
mod eventloop; | ||
mod handlers; | ||
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pub use bytevis::*; | ||
pub use common::*; | ||
pub use eventloop::*; | ||
pub use handlers::*; |