refactor: project layout

1 files changed, 97 insertions, 0 deletions

diff --git a/src/commands/change_directory.rs b/src/commands/change_directory.rs
new file mode 100644
index 0000000..40ea6d8
--- /dev/null
+++ b/src/commands/change_directory.rs
@@ -0,0 +1,97 @@
+extern crate ncurses;
+
+use std::path;
+use std::process;
+
+use commands::{JoshutoCommand, JoshutoRunnable};
+use context::JoshutoContext;
+use preview;
+use ui;
+
+#[derive(Clone, Debug)]
+pub struct ChangeDirectory {
+    path: path::PathBuf,
+}
+
+impl ChangeDirectory {
+    pub fn new(path: path::PathBuf) -> Self {
+        ChangeDirectory { path }
+    }
+    pub const fn command() -> &'static str {
+        "cd"
+    }
+
+    pub fn change_directory(path: &path::PathBuf, context: &mut JoshutoContext) {
+        if !path.exists() {
+            ui::wprint_err(&context.views.bot_win, "Error: No such file or directory");
+            ncurses::doupdate();
+            return;
+        }
+        let curr_tab = &mut context.tabs[context.curr_tab_index];
+
+        let parent_list = curr_tab.parent_list.take();
+        curr_tab.history.put_back(parent_list);
+        let curr_list = curr_tab.curr_list.take();
+        curr_tab.history.put_back(curr_list);
+
+        match std::env::set_current_dir(path.as_path()) {
+            Ok(_) => {
+                curr_tab.curr_path = path.clone();
+            }
+            Err(e) => {
+                ui::wprint_err(&context.views.bot_win, e.to_string().as_str());
+                return;
+            }
+        }
+        curr_tab
+            .history
+            .populate_to_root(&curr_tab.curr_path, &context.config_t.sort_type);
+
+        curr_tab.curr_list = match curr_tab
+            .history
+            .pop_or_create(&curr_tab.curr_path, &context.config_t.sort_type)
+        {
+            Ok(s) => Some(s),
+            Err(e) => {
+                eprintln!("{}", e);
+                process::exit(1);
+            }
+        };
+
+        if let Some(parent) = curr_tab.curr_path.parent() {
+            curr_tab.parent_list = match curr_tab
+                .history
+                .pop_or_create(&parent, &context.config_t.sort_type)
+            {
+                Ok(s) => Some(s),
+                Err(e) => {
+                    eprintln!("{}", e);
+                    process::exit(1);
+                }
+            };
+        }
+
+        curr_tab.refresh(
+            &context.views,
+            &context.config_t,
+            &context.username,
+            &context.hostname,
+        );
+    }
+}
+
+impl JoshutoCommand for ChangeDirectory {}
+
+impl std::fmt::Display for ChangeDirectory {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        write!(f, "{} {}", Self::command(), self.path.to_str().unwrap())
+    }
+}
+
+impl JoshutoRunnable for ChangeDirectory {
+    fn execute(&self, context: &mut JoshutoContext) {
+        Self::change_directory(&self.path, context);
+        preview::preview_file(context);
+        ncurses::doupdate();
+    }
+}