feature(strider): Allow to Hide Hidden Files (#203)

closes #197

default keybinding = '.'
default view = shows hidden files

Alternative:
Hide hidden files by default.

default-tiles/strider/src/main.rs

@@ -61,6 +61,12 @@ impl ZellijTile for State {
                 self.path.pop();
                 refresh_directory(self);
             }
+
+            Key::Char('.') => {
+                self.toggle_hidden_files();
+                refresh_directory(self);
+            }
+
             _ => (),
         };
     }
@@ -80,6 +86,7 @@ fn refresh_directory(state: &mut State) {
                 }
             })
             .ok()
+            .filter(|d| !d.is_hidden_file() || !state.hide_hidden_files)
         })
         .collect();
 

default-tiles/strider/src/state.rs

@@ -6,6 +6,7 @@ pub struct State {
     pub path: PathBuf,
     pub files: Vec<FsEntry>,
     pub cursor_hist: HashMap<PathBuf, (usize, usize)>,
+    pub hide_hidden_files: bool,
 }
 
 impl State {
@@ -21,6 +22,9 @@ impl State {
     pub fn scroll(&self) -> usize {
         self.cursor_hist.get(&self.path).unwrap_or(&(0, 0)).1
     }
+    pub fn toggle_hidden_files(&mut self) {
+        self.hide_hidden_files = !self.hide_hidden_files;
+    }
 }
 
 #[derive(PartialEq, Eq, PartialOrd, Ord, Clone)]
@@ -52,4 +56,8 @@ impl FsEntry {
             [name, padding, info].concat()
         }
     }
+
+    pub fn is_hidden_file(&self) -> bool {
+        self.name().chars().nth(0).unwrap() == '.'.into()
+    }
 }