feat(sessions): resurrect sessions through the session-manager (and plugin API) (#2902)

* working with table and scrolling

* ui and functionality complete

* fix formatting

* refactor: background jobs

* style(fmt): rustfmt

1 files changed, 47 insertions, 5 deletions

diff --git a/default-plugins/session-manager/src/main.rs b/default-plugins/session-manager/src/main.rs
index bd0b1f2b7..7e39307d9 100644
--- a/default-plugins/session-manager/src/main.rs
+++ b/default-plugins/session-manager/src/main.rs
@@ -1,3 +1,4 @@
+mod resurrectable_sessions;
 mod session_list;
 mod ui;
 use zellij_tile::prelude::*;
@@ -5,18 +6,24 @@ use zellij_tile::prelude::*;
 use std::collections::BTreeMap;
 
 use ui::{
-    components::{render_controls_line, render_new_session_line, render_prompt, Colors},
+    components::{
+        render_controls_line, render_new_session_line, render_prompt, render_resurrection_toggle,
+        Colors,
+    },
     SessionUiInfo,
 };
 
+use resurrectable_sessions::ResurrectableSessions;
 use session_list::SessionList;
 
 #[derive(Default)]
 struct State {
     session_name: Option<String>,
     sessions: SessionList,
+    resurrectable_sessions: ResurrectableSessions,
     search_term: String,
     new_session_name: Option<String>,
+    browsing_resurrection_sessions: bool,
     colors: Colors,
 }
 
@@ -45,7 +52,9 @@ impl ZellijPlugin for State {
             Event::PermissionRequestResult(_result) => {
                 should_render = true;
             },
-            Event::SessionUpdate(session_infos) => {
+            Event::SessionUpdate(session_infos, resurrectable_session_list) => {
+                self.resurrectable_sessions
+                    .update(resurrectable_session_list);
                 self.update_session_infos(session_infos);
                 should_render = true;
             },
@@ -55,6 +64,11 @@ impl ZellijPlugin for State {
     }
 
     fn render(&mut self, rows: usize, cols: usize) {
+        if self.browsing_resurrection_sessions {
+            self.resurrectable_sessions.render(rows, cols);
+            return;
+        }
+        render_resurrection_toggle(cols, false);
         render_prompt(
             self.new_session_name.is_some(),
             &self.search_term,
@@ -94,12 +108,16 @@ impl State {
             }
             should_render = true;
         } else if let Key::Down = key {
-            if self.new_session_name.is_none() {
+            if self.browsing_resurrection_sessions {
+                self.resurrectable_sessions.move_selection_down();
+            } else if self.new_session_name.is_none() {
                 self.sessions.move_selection_down();
             }
             should_render = true;
         } else if let Key::Up = key {
-            if self.new_session_name.is_none() {
+            if self.browsing_resurrection_sessions {
+                self.resurrectable_sessions.move_selection_up();
+            } else if self.new_session_name.is_none() {
                 self.sessions.move_selection_up();
             }
             should_render = true;
@@ -108,6 +126,8 @@ impl State {
                 self.handle_selection();
             } else if let Some(new_session_name) = self.new_session_name.as_mut() {
                 new_session_name.push(character);
+            } else if self.browsing_resurrection_sessions {
+                self.resurrectable_sessions.handle_character(character);
             } else {
                 self.search_term.push(character);
                 self.sessions
@@ -121,6 +141,8 @@ impl State {
                 } else {
                     new_session_name.pop();
                 }
+            } else if self.browsing_resurrection_sessions {
+                self.resurrectable_sessions.handle_backspace();
             } else {
                 self.search_term.pop();
                 self.sessions
@@ -153,13 +175,33 @@ impl State {
                 hide_self();
             }
             should_render = true;
+        } else if let Key::BackTab = key {
+            self.browsing_resurrection_sessions = !self.browsing_resurrection_sessions;
+            should_render = true;
+        } else if let Key::Delete = key {
+            if self.browsing_resurrection_sessions {
+                self.resurrectable_sessions.delete_selected_session();
+                should_render = true;
+            }
+        } else if let Key::Ctrl('d') = key {
+            if self.browsing_resurrection_sessions {
+                self.resurrectable_sessions
+                    .show_delete_all_sessions_warning();
+                should_render = true;
+            }
         } else if let Key::Esc = key {
             hide_self();
         }
         should_render
     }
     fn handle_selection(&mut self) {
-        if let Some(new_session_name) = &self.new_session_name {
+        if self.browsing_resurrection_sessions {
+            if let Some(session_name_to_resurrect) =
+                self.resurrectable_sessions.get_selected_session_name()
+            {
+                switch_session(Some(&session_name_to_resurrect));
+            }
+        } else if let Some(new_session_name) = &self.new_session_name {
             if new_session_name.is_empty() {
                 switch_session(None);
             } else if self.session_name.as_ref() == Some(new_session_name) {