Sort folders first

src/main.rs

@@ -126,7 +126,7 @@ impl App {
             nodes.push(node);
         }
 
-        nodes.sort_by(|a, b| a.name().cmp(b.name()));
+        nodes.sort();
 
         for node in nodes {
             self.nav_model
@@ -143,34 +143,34 @@ impl App {
 
     pub fn open_project<P: AsRef<Path>>(&mut self, path: P) {
         let node = match ProjectNode::new(&path) {
-            Ok(ok) => ok,
+            Ok(mut node) => {
+                match &mut node {
+                    ProjectNode::Folder { open, root, .. } => {
+                        *open = true;
+                        *root = true;
+                    }
+                    _ => {
+                        log::error!(
+                            "failed to open project {:?}: not a directory",
+                            path.as_ref()
+                        );
+                        return;
+                    }
+                }
+                node
+            }
             Err(err) => {
                 log::error!("failed to open project {:?}: {}", path.as_ref(), err);
                 return;
             }
         };
 
-        let project = match node {
-            ProjectNode::Folder { name, path, .. } => ProjectNode::Root {
-                name,
-                path,
-                open: true,
-            },
-            _ => {
-                log::error!(
-                    "failed to open project {:?}: not a directory",
-                    path.as_ref()
-                );
-                return;
-            }
-        };
-
         let id = self
             .nav_model
             .insert()
-            .icon(icon::from_name(project.icon_name()).size(16).icon())
-            .text(project.name().to_string())
-            .data(project)
+            .icon(icon::from_name(node.icon_name()).size(16).icon())
+            .text(node.name().to_string())
+            .data(node)
             .id();
 
         let position = self.nav_model.position(id).unwrap_or(0);
@@ -283,10 +283,6 @@ impl cosmic::Application for App {
             .icon_set(id, icon::from_name(node.icon_name()).size(16).icon());
 
         match node {
-            ProjectNode::Root { .. } => {
-                log::warn!("TODO: root node click");
-                Command::none()
-            }
             ProjectNode::Folder { path, open, .. } => {
                 let position = self.nav_model.position(id).unwrap_or(0);
                 let indent = self.nav_model.indent(id).unwrap_or(0);

src/project.rs

@@ -1,21 +1,18 @@
 // SPDX-License-Identifier: GPL-3.0-only
 
 use std::{
+    cmp::Ordering,
     fs, io,
     path::{Path, PathBuf},
 };
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, Eq, PartialEq)]
 pub enum ProjectNode {
-    Root {
-        name: String,
-        path: PathBuf,
-        open: bool,
-    },
     Folder {
         name: String,
         path: PathBuf,
         open: bool,
+        root: bool,
     },
     File {
         name: String,
@@ -43,6 +40,7 @@ impl ProjectNode {
                 path,
                 name,
                 open: false,
+                root: false,
             }
         } else {
             Self::File { path, name }
@@ -51,30 +49,42 @@ impl ProjectNode {
 
     pub fn icon_name(&self) -> &str {
         match self {
-            //TODO: different icon for project?
-            ProjectNode::Root { open, .. } => {
+            //TODO: different icon for project root?
+            Self::Folder { open, .. } => {
                 if *open {
                     "go-down-symbolic"
                 } else {
                     "go-next-symbolic"
                 }
             }
-            ProjectNode::Folder { open, .. } => {
-                if *open {
-                    "go-down-symbolic"
-                } else {
-                    "go-next-symbolic"
-                }
-            }
-            ProjectNode::File { .. } => "text-x-generic",
+            Self::File { .. } => "text-x-generic",
         }
     }
 
     pub fn name(&self) -> &str {
         match self {
-            ProjectNode::Root { name, .. } => name,
-            ProjectNode::Folder { name, .. } => name,
-            ProjectNode::File { name, .. } => name,
+            Self::Folder { name, .. } => name,
+            Self::File { name, .. } => name,
         }
     }
 }
+
+impl Ord for ProjectNode {
+    fn cmp(&self, other: &Self) -> Ordering {
+        match self {
+            // Folders are always before files
+            Self::Folder { .. } => match other {
+                Self::File { .. } => return Ordering::Less,
+                _ => {}
+            },
+            _ => {}
+        }
+        self.name().cmp(other.name())
+    }
+}
+
+impl PartialOrd for ProjectNode {
+    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+        Some(self.cmp(other))
+    }
+}