make album column for tracks configurable

introduces new config variable `album_column`

fixes #267

README.md

@@ -141,6 +141,7 @@ Possible configuration values are:
   by default <true/false>
 * `notify`: Enable or disable desktop notifications, off by default <true/false>
 * `bitrate`: The audio bitrate to use for streaming, can be 96, 160, or 320 (default is 320)
+* `album_column`: Show album column for tracks, on by default <true/false>
 
 
 Keybindings can be configured in `[keybindings]` section in `config.toml`, e.g. as such:

src/album.rs

@@ -176,7 +176,7 @@ impl ListItem for Album {
         format!("{}", self)
     }
 
-    fn display_center(&self) -> String {
+    fn display_center(&self, _library: Arc<Library>) -> String {
         "".to_string()
     }
 

src/artist.rs

@@ -148,7 +148,7 @@ impl ListItem for Artist {
         format!("{}", self)
     }
 
-    fn display_center(&self) -> String {
+    fn display_center(&self, _library: Arc<Library>) -> String {
         "".to_string()
     }
 

src/config.rs

@@ -21,6 +21,7 @@ pub struct Config {
     pub volnorm_pregain: Option<f32>,
     pub notify: Option<bool>,
     pub bitrate: Option<u32>,
+    pub album_column: Option<bool>,
 }
 
 #[derive(Serialize, Deserialize, Debug, Default, Clone)]

src/episode.rs

@@ -71,7 +71,7 @@ impl ListItem for Episode {
         self.name.clone()
     }
 
-    fn display_center(&self) -> String {
+    fn display_center(&self, _library: Arc<Library>) -> String {
         "".to_string()
     }
 

src/library.rs

@@ -12,6 +12,7 @@ use serde::Serialize;
 use crate::album::Album;
 use crate::artist::Artist;
 use crate::config;
+use crate::config::Config;
 use crate::events::EventManager;
 use crate::playable::Playable;
 use crate::playlist::Playlist;
@@ -65,6 +66,10 @@ impl Library {
             .expect("could not readlock listview content")
     }
 
+    pub fn config(&self) -> &Config {
+        &self.spotify.cfg
+    }
+
     fn load_cache<T: DeserializeOwned>(&self, cache_path: PathBuf, store: Arc<RwLock<Vec<T>>>) {
         if let Ok(contents) = std::fs::read_to_string(&cache_path) {
             debug!("loading cache from {}", cache_path.display());

src/playable.rs

@@ -76,8 +76,8 @@ impl ListItem for Playable {
         self.as_listitem().display_left()
     }
 
-    fn display_center(&self) -> String {
-        self.as_listitem().display_center()
+    fn display_center(&self, library: Arc<Library>) -> String {
+        self.as_listitem().display_center(library)
     }
 
     fn display_right(&self, library: Arc<Library>) -> String {

src/playlist.rs

@@ -128,7 +128,7 @@ impl ListItem for Playlist {
         self.name.clone()
     }
 
-    fn display_center(&self) -> String {
+    fn display_center(&self, _library: Arc<Library>) -> String {
         "".to_string()
     }
 

src/show.rs

@@ -92,7 +92,7 @@ impl ListItem for Show {
         format!("{}", self)
     }
 
-    fn display_center(&self) -> String {
+    fn display_center(&self, _library: Arc<Library>) -> String {
         "".to_string()
     }
 

src/track.rs

@@ -153,8 +153,12 @@ impl ListItem for Track {
         format!("{}", self)
     }
 
-    fn display_center(&self) -> String {
-        self.album.to_string()
+    fn display_center(&self, library: Arc<Library>) -> String {
+        if library.config().album_column.unwrap_or(true) {
+            self.album.to_string()
+        } else {
+            "".to_string()
+        }
     }
 
     fn display_right(&self, library: Arc<Library>) -> String {

src/traits.rs

@@ -15,7 +15,7 @@ use crate::track::Track;
 pub trait ListItem: Sync + Send + 'static {
     fn is_playing(&self, queue: Arc<Queue>) -> bool;
     fn display_left(&self) -> String;
-    fn display_center(&self) -> String;
+    fn display_center(&self, library: Arc<Library>) -> String;
     fn display_right(&self, library: Arc<Library>) -> String;
     fn play(&mut self, queue: Arc<Queue>);
     fn queue(&mut self, queue: Arc<Queue>);

src/ui/listview.rs

@@ -229,7 +229,7 @@ impl<I: ListItem> View for ListView<I> {
                 };
 
                 let left = item.display_left();
-                let center = item.display_center();
+                let center = item.display_center(self.library.clone());
                 let right = item.display_right(self.library.clone());
                 let draw_center = !center.is_empty();