1 files changed, 128 insertions, 0 deletions
diff --git a/src/config/option/display_option.rs b/src/config/option/display_option.rs
new file mode 100644
index 0000000..3624840
--- /dev/null
+++ b/src/config/option/display_option.rs
@@ -0,0 +1,128 @@
+use std::convert::From;
+use std::fs;
+
+use tui::layout::Constraint;
+
+use crate::config::option::SortOption;
+
+pub const fn default_column_ratio() -> (usize, usize, usize) {
+    (1, 3, 4)
+}
+
+#[derive(Clone, Debug)]
+pub struct DisplayOption {
+    pub _automatically_count_files: bool,
+    pub _collapse_preview: bool,
+    pub _scroll_offset: usize,
+    pub _show_borders: bool,
+    pub _show_hidden: bool,
+    pub _show_icons: bool,
+    pub _show_preview: bool,
+    pub _sort_options: SortOption,
+    pub _tilde_in_titlebar: bool,
+    pub column_ratio: (usize, usize, usize),
+    pub default_layout: [Constraint; 3],
+    pub no_preview_layout: [Constraint; 3],
+}
+
+impl DisplayOption {
+    pub fn automatically_count_files(&self) -> bool {
+        self._automatically_count_files
+    }
+
+    pub fn collapse_preview(&self) -> bool {
+        self._collapse_preview
+    }
+
+    pub fn scroll_offset(&self) -> usize {
+        self._scroll_offset
+    }
+
+    pub fn show_borders(&self) -> bool {
+        self._show_borders
+    }
+
+    pub fn show_hidden(&self) -> bool {
+        self._show_hidden
+    }
+
+    pub fn show_icons(&self) -> bool {
+        self._show_icons
+    }
+
+    pub fn show_preview(&self) -> bool {
+        self._show_preview
+    }
+
+    pub fn set_show_hidden(&mut self, show_hidden: bool) {
+        self._show_hidden = show_hidden;
+    }
+
+    pub fn sort_options_ref(&self) -> &SortOption {
+        &self._sort_options
+    }
+
+    pub fn sort_options_mut(&mut self) -> &mut SortOption {
+        &mut self._sort_options
+    }
+
+    pub fn tilde_in_titlebar(&self) -> bool {
+        self._tilde_in_titlebar
+    }
+
+    pub fn filter_func(&self) -> fn(&Result<fs::DirEntry, std::io::Error>) -> bool {
+        if self.show_hidden() {
+            no_filter
+        } else {
+            filter_hidden
+        }
+    }
+}
+
+impl std::default::Default for DisplayOption {
+    fn default() -> Self {
+        let column_ratio = default_column_ratio();
+
+        let total = (column_ratio.0 + column_ratio.1 + column_ratio.2) as u32;
+        let default_layout = [
+            Constraint::Ratio(column_ratio.0 as u32, total),
+            Constraint::Ratio(column_ratio.1 as u32, total),
+            Constraint::Ratio(column_ratio.2 as u32, total),
+        ];
+        let no_preview_layout = [
+            Constraint::Ratio(column_ratio.0 as u32, total),
+            Constraint::Ratio(column_ratio.1 as u32 + column_ratio.2 as u32, total),
+            Constraint::Ratio(0, total),
+        ];
+
+        Self {
+            _automatically_count_files: false,
+            _collapse_preview: true,
+            column_ratio,
+            _scroll_offset: 4,
+            _show_borders: true,
+            _show_hidden: false,
+            _show_icons: false,
+            _show_preview: true,
+            _sort_options: SortOption::default(),
+            _tilde_in_titlebar: true,
+            default_layout,
+            no_preview_layout,
+        }
+    }
+}
+
+const fn no_filter(_: &Result<fs::DirEntry, std::io::Error>) -> bool {
+    true
+}
+
+fn filter_hidden(result: &Result<fs::DirEntry, std::io::Error>) -> bool {
+    match result {
+        Err(_) => true,
+        Ok(entry) => {
+            let file_name = entry.file_name();
+            let lossy_string = file_name.as_os_str().to_string_lossy();
+            !lossy_string.starts_with('.')
+        }
+    }
+}