added tab structure

src/main.rs

@@ -2,10 +2,7 @@
 mod tools;
 
 use eframe::egui;
-use std::path::Path;
-use std::fs;
-use std::io;
-use std::env;
+use std::{path::Path, fs, io, env};
 
 const TERMINAL_HEIGHT : f32 = 200.0;
 const RED : egui::Color32 = egui::Color32::from_rgb(235, 108, 99);
@@ -32,6 +29,8 @@ struct MyApp {
     picked_path: Option<String>,
     language: String,
     code: String,
+    selected_tab : tools::TabNumber,
+    tabs: Vec<tools::Tab>,
     command: String,
     command_history: Vec<tools::CommandEntry>,
 }
@@ -43,6 +42,8 @@ impl Default for MyApp {
             picked_path: None,
             language: "rs".into(),
             code: "// write here".into(),
+            selected_tab : tools::TabNumber::None,
+			tabs: Vec::new(),
             command: "".into(),
             command_history: Vec::new(),
         }
@@ -54,6 +55,7 @@ impl eframe::App for MyApp {
     fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
         self.draw_tree_panel(ctx);
         self.draw_terminal_panel(ctx);
+        self.draw_tab_panel(ctx);
         self.draw_code_panel(ctx);
     }
 }
@@ -113,14 +115,30 @@ impl MyApp {
             });
     }
     
+    fn draw_tab_panel(&mut self, ctx: &egui::Context) {
+		egui::TopBottomPanel::top("tabs")
+			.resizable(false)
+			.show(ctx, |ui| {
+				ui.horizontal(|ui| {
+					for (index, tab) in self.tabs.iter().enumerate() {
+						ui.selectable_value(&mut self.selected_tab, tools::TabNumber::get_from_n(index), tab.get_name());
+					}
+					if tools::TabNumber::get_from_n(self.tabs.len()) != tools::TabNumber::None {
+						ui.selectable_value(&mut self.selected_tab, tools::TabNumber::Open, "+");
+					}
+					if self.selected_tab == tools::TabNumber::Open {
+						if let Some(path) = rfd::FileDialog::new().pick_file() {
+							self.selected_tab = self.open_file(&path);
+						} else {
+							self.selected_tab = tools::TabNumber::None;
+						}
+					}
+				});
+			});
+	}
+
     fn draw_code_panel(&mut self, ctx: &egui::Context) {
         egui::CentralPanel::default().show(ctx, |ui| {
-            if ui.button("Open file…").clicked() {
-                if let Some(path) = rfd::FileDialog::new().pick_file() {
-                    self.open_file(&path);
-                }
-            }
-
             if let Some(picked_path) = &self.picked_path {
                 ui.horizontal(|ui| {
                     ui.label("Picked file:");
@@ -169,18 +187,30 @@ impl MyApp {
 			} else {
 				//ui.label(name.to_string_lossy());
 				if ui.button(name.to_string_lossy()).clicked() {
-					self.open_file(&path)
+					self.selected_tab = self.open_file(&path);
 				}
 			}
 		}
 		Ok(())
 	}
 	
-	fn open_file(&mut self, path: &Path) {
+	fn open_file(&mut self, path: &Path) -> tools::TabNumber {
+		if tools::TabNumber::get_from_n(self.tabs.len()) == tools::TabNumber::None {
+			return tools::TabNumber::None
+		}
 		self.picked_path = Some(path.display().to_string());
 		let file_path = Path::new(self.picked_path.as_deref().unwrap_or_default());
 		self.code = fs::read_to_string(file_path).expect("Not able to read the file");
 		self.language = file_path.to_str().unwrap().split('.').last().unwrap().into();
+		
+		let new_tab = tools::Tab {
+			path: path.into(),
+			code: fs::read_to_string(file_path).expect("Not able to read the file"),
+			language: file_path.to_str().unwrap().split('.').last().unwrap().into(),
+		};
+		self.tabs.push(new_tab);
+		
+		return tools::TabNumber::get_from_n(self.tabs.len() - 1)
 	}
 }
 

src/tools/mod.rs

@@ -1,11 +1,55 @@
 //use eframe::egui;
 //use std::io;
-use std::process::Command;
-use std::cmp::Ordering;
-use std::env;
-//use std::path::Path;
+use std::{process::Command, cmp::Ordering, env, path::PathBuf};
 //use std::fs;
 
+
+#[derive(Debug, PartialEq, Eq)]
+pub enum TabNumber {
+	None,
+	Open,
+	Zero,
+	One,
+	Two,
+	Three,
+	Four,
+	Five,
+	Six,
+	Seven,
+}
+
+
+impl TabNumber {
+    pub fn get_from_n( n: usize) -> TabNumber {
+        match n {
+            0 => TabNumber::Zero,
+            1 => TabNumber::One,
+            2 => TabNumber::Two,
+            3 => TabNumber::Three,
+            4 => TabNumber::Four,
+            5 => TabNumber::Five,
+            6 => TabNumber::Six,
+            7 => TabNumber::Seven,
+            _ => TabNumber::None,
+        }
+    }
+}
+
+
+pub struct Tab {
+	pub path : PathBuf,
+	pub code : String,
+	pub language : String,
+}
+
+
+impl Tab {
+	pub fn get_name(&self) -> String {
+		self.path.file_name().expect("Could not get Tab Name").to_string_lossy().to_string()
+	}
+}
+
+
 pub struct CommandEntry {
 	pub env : String,
 	pub command : String,
@@ -13,6 +57,7 @@ pub struct CommandEntry {
 	pub error : String,
 }
 
+
 impl Default for CommandEntry {
     fn default() -> Self {
         Self {
@@ -24,6 +69,7 @@ impl Default for CommandEntry {
     }
 }
 
+
 pub fn loaded() {
 	println!("Tools loaded");
 }