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use std::borrow::Borrow;
use std::path::{Path, PathBuf};
use std::str::FromStr;
use crate::constant_strings_paths::HARDCODED_SHORTCUTS;
use crate::impl_indexed_vector;
/// Holds the hardcoded and mountpoints shortcuts the user can jump to.
/// Also know which shortcut is currently selected by the user.
#[derive(Debug, Clone)]
pub struct Shortcut {
/// The path to the shortcuts. It's a vector since we can't know how much
/// mount points are defined.
pub content: Vec<PathBuf>,
/// The currently selected shortcut
pub index: usize,
}
impl Default for Shortcut {
fn default() -> Self {
Self::new()
}
}
impl Shortcut {
/// Creates the hardcoded shortcuts (no mount point yet).
pub fn new() -> Self {
let mut shortcuts = Self::hardcoded_shortcuts();
shortcuts = Self::with_home_path(shortcuts);
Self {
content: shortcuts,
index: 0,
}
}
fn hardcoded_shortcuts() -> Vec<PathBuf> {
HARDCODED_SHORTCUTS
.iter()
.map(|s| PathBuf::from_str(s).unwrap())
.collect()
}
/// Insert a shortcut to home directory of the current user.
pub fn with_home_path(mut shortcuts: Vec<PathBuf>) -> Vec<PathBuf> {
if let Ok(pb) = PathBuf::from_str(shellexpand::tilde("~").borrow()) {
shortcuts.push(pb);
}
shortcuts
}
/// Update the shortcuts with the mount points.
pub fn extend_with_mount_points(&mut self, mount_points: &[&Path]) {
self.content
.extend(mount_points.iter().map(|p| p.to_path_buf()));
}
/// Refresh the shortcuts. It drops non "hardcoded" shortcuts and
/// extend the vector with the mount points.
pub fn refresh(&mut self, mount_points: &[&Path]) {
self.content.truncate(HARDCODED_SHORTCUTS.len() + 1);
self.extend_with_mount_points(mount_points)
}
}
impl_indexed_vector!(PathBuf, Shortcut);
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