1 files changed, 26 insertions, 8 deletions

diff --git a/src/sidebar.rs b/src/sidebar.rs
index ecc2e29..922e446 100644
--- a/src/sidebar.rs
+++ b/src/sidebar.rs
@@ -2,11 +2,17 @@ use std::path::PathBuf;
 use anyhow::Result;
 use std::fmt;
 use std::ffi::OsStr;
+use cursive::view::Nameable;
+use cursive::views::NamedView;
+use cursive::Cursive;
+
+use crate::main_view::MainView;
+use cursive_tree_view::TreeView;
 
 #[derive(Debug)]
 pub struct TreeEntry {
     name: String,
-    dir: Option<PathBuf>,
+    path: PathBuf,
 }
 
 impl fmt::Display for TreeEntry {
@@ -15,23 +21,34 @@ impl fmt::Display for TreeEntry {
     }
 }
 
+pub const SIDEBAR_VIEW_NAME: &'static str = "sidebar_tree_view";
 
-pub fn sidebar<I>(iter: I) -> Result<cursive_tree_view::TreeView<TreeEntry>>
+pub fn sidebar<I>(iter: I) -> Result<NamedView<cursive_tree_view::TreeView<TreeEntry>>>
     where I: Iterator<Item = PathBuf>
 {
     let mut tv = cursive_tree_view::TreeView::default();
 
+    tv.set_on_submit(|siv: &mut Cursive, row: usize| {
+        let borrow = siv.call_on_name(SIDEBAR_VIEW_NAME, move |tree: &mut TreeView<TreeEntry>| {
+            tree.borrow_item(row).map(|b| b.path.clone())
+        })
+        .flatten();
+
+        if let Some(path) = borrow {
+            siv.call_on_name(crate::main_view::MAIN_VIEW_NAME, move |main_view: &mut MainView| {
+                main_view.load_maildir(path);
+                None as Option<()>
+            });
+        }
+    });
+
+    // Fill the tree from the iterator
     iter.map(|path| {
         path.file_name()
             .and_then(OsStr::to_str)
             .map(String::from)
             .ok_or_else(|| anyhow!("UTF8 error"))
-            .map(|name| {
-                TreeEntry {
-                    name,
-                    dir: Some(path)
-                }
-            })
+            .map(|name| TreeEntry { name, path })
     })
     .enumerate()
     .fold(Ok(tv), |accu, (i, item)| {
@@ -40,4 +57,5 @@ pub fn sidebar<I>(iter: I) -> Result<cursive_tree_view::TreeView<TreeEntry>>
                 .map(|_| tv)
         })
     })
+    .map(|tv| tv.with_name(SIDEBAR_VIEW_NAME))
 }