diff --git a/board-builder-impl-egui/src/main.rs b/board-builder-impl-egui/src/main.rs
index 63d5a23..b285d73 100644
--- a/board-builder-impl-egui/src/main.rs
+++ b/board-builder-impl-egui/src/main.rs
@@ -100,36 +100,36 @@ impl eframe::App for BoardBuilderApp {
                 image.paint_at(ui, response.rect);
                 let view = View(response.rect);
                 self.draw_board(&painter, view);
-		if let Some(pos) = response.interact_pointer_pos() {
-		    let btn = if response.clicked() {
-			PointerButton::Primary
-		    } else if response.secondary_clicked() {
-			PointerButton::Secondary
-		    } else {
-			PointerButton::Middle
-		    };
-		    let (x, y) = view.xform(pos);
-		    self.dispatch_click(btn, x, y);
-		}
+                if let Some(pos) = response.interact_pointer_pos() {
+                    let btn = if response.clicked() {
+                        PointerButton::Primary
+                    } else if response.secondary_clicked() {
+                        PointerButton::Secondary
+                    } else {
+                        PointerButton::Middle
+                    };
+                    let (x, y) = view.xform(pos);
+                    self.dispatch_click(btn, x, y);
+                }
             }
         });
-	if self.create_node_dialog.open {
-	    Window::new("Create Node")
-		.collapsible(false)
-		.show(ctx, |ui| {
+        if self.create_node_dialog.open {
+            Window::new("Create Node")
+                .collapsible(false)
+                .show(ctx, |ui| {
                     let mut board = self.board.borrow_mut();
-		    ui.label("Name:");
-		    ui.text_edit_singleline(&mut self.create_node_dialog.name);
-		    if ui.button("Add").clicked() {
-			self.create_node_dialog.close();
-			board.add_node(
-			    self.create_node_dialog.x,
-			    self.create_node_dialog.y,
-			    self.create_node_dialog.name.clone(),
-			)
-		    }
-		});
-	}
+                    ui.label("Name:");
+                    ui.text_edit_singleline(&mut self.create_node_dialog.name);
+                    if ui.button("Add").clicked() {
+                        self.create_node_dialog.close();
+                        board.add_node(
+                            self.create_node_dialog.x,
+                            self.create_node_dialog.y,
+                            self.create_node_dialog.name.clone(),
+                        )
+                    }
+                });
+        }
         self.edit_labels_dialog.ui(ctx);
     }
 }
@@ -147,7 +147,7 @@ impl BoardBuilderApp {
     fn load_image_file(&mut self, ctx: &Context, image_file: &Path) -> Result<(), image::ImageError> {
         let image = image::io::Reader::open(image_file)?.decode()?;
         self.load_image(ctx, image);
-        
+
         Ok(())
     }
 
@@ -164,17 +164,17 @@ impl BoardBuilderApp {
     fn draw_board(&self, painter: &Painter, view: View) {
         let board = self.board.borrow();
         for (&id, node) in &board.nodes {
-	    let color = if Some(id) == self.selected_node {
-		Color32::RED
-	    } else {
-		Color32::BLACK
-	    };
+            let color = if Some(id) == self.selected_node {
+                Color32::RED
+            } else {
+                Color32::BLACK
+            };
             painter.text(
                 view.inv_xform(node.x, node.y),
                 Align2::CENTER_CENTER,
                 &node.name,
                 FontId::proportional(16.0),
-		color,
+                color,
             );
             let stroke = Stroke { width: 1.0, color: Color32::BLACK };
             for edge in &node.edges {
@@ -188,34 +188,34 @@ impl BoardBuilderApp {
     }
 
     fn dispatch_click(&mut self, btn: PointerButton, x: f32, y: f32) {
-	use EditMode::*;
-	use PointerButton::*;
-	match (btn, self.edit_mode) {
-	    (Primary, Nodes) => self.create_node_dialog.show(x, y),
-	    (Primary, Edges) => self.select_edge(x, y),
-	    (Secondary, Nodes) => self.delete_node(x, y),
-	    _ => {},
-	}
+        use EditMode::*;
+        use PointerButton::*;
+        match (btn, self.edit_mode) {
+            (Primary, Nodes) => self.create_node_dialog.show(x, y),
+            (Primary, Edges) => self.select_edge(x, y),
+            (Secondary, Nodes) => self.delete_node(x, y),
+            _ => {},
+        }
     }
 
     fn select_edge(&mut self, x: f32, y: f32) {
         let mut board = self.board.borrow_mut();
-	if let Some(nearest_id) = board.nearest_node(x, y) {
-	    match self.selected_node {
-		None => self.selected_node = Some(nearest_id),
-		Some(id) if id == nearest_id => self.selected_node = None,
-		Some(id) => board.add_edge(id, nearest_id),
-	    }
-	}
+        if let Some(nearest_id) = board.nearest_node(x, y) {
+            match self.selected_node {
+                None => self.selected_node = Some(nearest_id),
+                Some(id) if id == nearest_id => self.selected_node = None,
+                Some(id) => board.add_edge(id, nearest_id),
+            }
+        }
     }
 
     fn delete_node(&mut self, x: f32, y: f32) {
         let mut board = self.board.borrow_mut();
-	if let Some(nearest_id) = board.nearest_node(x, y) {
-	    board.remove_node(nearest_id);
-	}
+        if let Some(nearest_id) = board.nearest_node(x, y) {
+            board.remove_node(nearest_id);
+        }
     }
-	
+
 }
 
 #[derive(Clone, Copy)]
@@ -235,14 +235,14 @@ struct CreateNodeDialog {
 
 impl CreateNodeDialog {
     fn show(&mut self, x: f32, y: f32) {
-	self.open = true;
-	self.x = x;
-	self.y = y;
-	self.name = String::new();
+        self.open = true;
+        self.x = x;
+        self.y = y;
+        self.name = String::new();
     }
 
     fn close(&mut self) {
-	self.open = false;
+        self.open = false;
     }
 }
 
@@ -304,7 +304,7 @@ impl EditLabelsDialog {
                     if let StringDialogResponse::Accepted(key) =
                         self.add_key_dialog.ui(ui, "Add Key") {
                             board.labels.insert(key, Vec::new());
-                        }                    
+                        }
                 }
             });
     }
@@ -322,7 +322,6 @@ enum StringDialogResponse {
     Cancelled,
     Accepted(String)
 }
-    
 
 impl StringDialog {
     fn show(&mut self) {
@@ -347,7 +346,7 @@ impl StringDialog {
                     } else {
                         StringDialogResponse::Null
                     }
-                        
+
                 }
                 _ => StringDialogResponse::Null,
             }
@@ -364,11 +363,11 @@ impl StringDialog {
 
 // impl EditNodeDialog {
 //     fn show(&mut self, id: usize, board: &Board) {
-// 	self.open = true;
-// 	let node = board.nodes.get(&id).unwrap();
-	
-// 	self.id = id;
-// 	self.name = node.name.clone();
-// 	self.labels = node.labels.clone();
+//      self.open = true;
+//      let node = board.nodes.get(&id).unwrap();
+
+//      self.id = id;
+//      self.name = node.name.clone();
+//      self.labels = node.labels.clone();
 //     }
 // }