pass whole state to setter, to emit tasks

src/keys.rs

@@ -78,19 +78,27 @@ impl Taggart {
         {
             let value = (column.getter)(&self.entries[self.cursor]);
             let value = format!("{}", value.unwrap_or_default());
-            self.mode = Some(Mode::Edit { index: value.len(), value });
+            self.mode = Some(Mode::Edit {
+                index: value.len(),
+                value: value.into(),
+            });
         }
     }
     pub fn edit_cancel (&mut self) {
         self.mode = None;
     }
     pub fn edit_confirm (&mut self) {
-        if let Some(Mode::Edit { value, .. }) = &self.mode
+        let value = if let Some(Mode::Edit { value, .. }) = &self.mode {
+            Some(value.clone())
+        } else {
+            None
+        };
+        if let Some(value) = value
             && let Some(column) = self.columns.0.get(self.column)
             && let Some(setter) = &column.setter
             && self.entries.get_mut(self.cursor).is_some()
         {
-            setter(self.entries.as_mut_slice(), self.cursor, value);
+            setter(self, self.cursor, value.as_ref());
             self.mode = None;
         }
     }
@@ -98,7 +106,7 @@ impl Taggart {
         if let Some(Mode::Edit { value, index }) = &self.mode {
             self.mode = Some(Mode::Edit {
                 index: *index + 1,
-                value: format!("{value}{c}")
+                value: format!("{value}{c}").into()
             });
         }
     }

src/model.rs

@@ -12,7 +12,7 @@ pub struct Taggart {
     pub cursor:  usize,
     pub offset:  usize,
     pub column:  usize,
-    pub columns: Columns<fn(&Entry)->Option<Arc<str>>, fn(&mut [Entry], usize, &str)>,
+    pub columns: Columns<fn(&Entry)->Option<Arc<str>>, fn(&mut Self, usize, &str)>,
     pub display: Measure<TuiOut>,
     pub tasks:   Vec<Task>,
     pub mode:    Option<Mode>,
@@ -22,7 +22,7 @@ pub struct Taggart {
 pub enum Mode {
     Help,
     Edit {
-        value: String,
+        value: Arc<str>,
         index: usize,
     },
     Apply {

src/model/column.rs

@@ -1,20 +1,21 @@
 use crate::*;
 
-pub struct Columns<G, S>(pub Vec<Column<G, S>>);
-
 pub struct Column<G, S> {
-    pub title:  Arc<str>,
-    pub width:  usize,
+    pub title: Arc<str>,
+    pub width: usize,
     pub getter: G,
     pub setter: Option<S>,
     //pub styler: Option<U>,
 }
 
-impl<T> Column<fn(&T)->Option<Arc<str>>, fn(&mut [T], usize, &str)> {
+type Getter<T> = fn(&T)->Option<Arc<str>>;
+type Setter<T> = fn(&mut T, usize, &str);
+
+impl<G, S> Column<Getter<G>, Setter<S>> {
     pub fn new (
-        title:  &impl AsRef<str>,
-        width:  usize,
-        getter: fn(&T)->Option<Arc<str>>,
+        title: &impl AsRef<str>,
+        width: usize,
+        getter: Getter<G>,
     ) -> Self {
         Self {
             width,
@@ -23,37 +24,49 @@ impl<T> Column<fn(&T)->Option<Arc<str>>, fn(&mut [T], usize, &str)> {
             setter: None,
         }
     }
-    fn setter (mut self, setter: fn(&mut [T], usize, &str)) -> Self {
+    fn setter (mut self, setter: Setter<S>) -> Self {
         self.setter = Some(setter);
         self
     }
 }
 
 macro_rules! setter {
-    ($method:ident) => {
-        |entries: &mut [Entry], index: usize, value: &str|{
-            if let Some(entries) = entries_under(entries, index) {
+    ($name:ident) => {{
+        fn $name (
+            state: &mut Taggart,
+            index: usize,
+            value: &str
+        ) {
+            if let Some(entries) = entries_under(&mut state.entries, index) {
                 for entry in entries.iter() {
-                    entry.write().unwrap().$method(&value);
+                    entry.write().unwrap().$name(&value);
                 }
-            } else if let Some(entry) = entries.get_mut(index) {
-                entry.$method(&value)
+            } else if let Some(entry) = state.entries.get_mut(index) {
+                entry.$name(&value);
             }
         }
-    }
+        $name
+    }}
 }
 
-impl Default for Columns<fn(&Entry)->Option<Arc<str>>, fn(&mut [Entry], usize, &str)> {
+pub struct Columns<G, S>(pub Vec<Column<G, S>>);
+
+impl Default for Columns<fn(&Entry)->Option<Arc<str>>, fn(&mut Taggart, usize, &str)> {
     fn default () -> Self {
         Self(vec![
             Column::new(&"Hash",     8, |entry: &Entry|entry.hash()),
             Column::new(&"Size",     8, |entry: &Entry|entry.size()),
             Column::new(&"File",    80, |entry: &Entry|entry.name()),
-            Column::new(&"Artist",  30, |entry: &Entry|entry.artist()).setter(setter!(set_artist)),
-            Column::new(&"Year",     5, |entry: &Entry|entry.year()).setter(setter!(set_year)),
-            Column::new(&"Release", 30, |entry: &Entry|entry.album()).setter(setter!(set_album)),
-            Column::new(&"Track",    5, |entry: &Entry|entry.track()).setter(setter!(set_track)),
-            Column::new(&"Title",   80, |entry: &Entry|entry.title()).setter(setter!(set_title)),
+            Column::new(&"Artist",  30, |entry: &Entry|entry.artist())
+                .setter(setter!(set_artist)),
+            Column::new(&"Year",     5, |entry: &Entry|entry.year())
+                .setter(setter!(set_year)),
+            Column::new(&"Release", 30, |entry: &Entry|entry.album())
+                .setter(setter!(set_album)),
+            Column::new(&"Track",    5, |entry: &Entry|entry.track())
+                .setter(setter!(set_track)),
+            Column::new(&"Title",   80, |entry: &Entry|entry.title())
+                .setter(setter!(set_title)),
         ])
     }
 }

src/model/entry.rs

@@ -68,19 +68,19 @@ impl Entry {
     pub fn track (&self) -> Option<Arc<str>> {
         self.info.read().unwrap().track()
     }
-    pub fn set_artist (&self, value: &impl AsRef<str> ) {
+    pub fn set_artist (&self, value: &impl AsRef<str>) -> Option<Task> {
         self.info.write().unwrap().set_artist(value)
     }
-    pub fn set_year (&self, value: &impl AsRef<str> ) {
+    pub fn set_year (&self, value: &impl AsRef<str>) -> Option<Task> {
         self.info.write().unwrap().set_year(value)
     }
-    pub fn set_album (&self, value: &impl AsRef<str> ) {
+    pub fn set_album (&self, value: &impl AsRef<str>) -> Option<Task> {
         self.info.write().unwrap().set_album(value)
     }
-    pub fn set_title (&self, value: &impl AsRef<str> ) {
+    pub fn set_title (&self, value: &impl AsRef<str>) -> Option<Task> {
         self.info.write().unwrap().set_title(value)
     }
-    pub fn set_track (&self, value: &impl AsRef<str> ) {
+    pub fn set_track (&self, value: &impl AsRef<str>) -> Option<Task> {
         self.info.write().unwrap().set_track(value)
     }
 }

src/model/metadata.rs

@@ -159,42 +159,58 @@ impl Metadata {
             _ => None
         }
     }
-    pub fn set_artist (&mut self, value: &impl AsRef<str> ) {
+    pub fn set_artist (&mut self, value: &impl AsRef<str>) -> Option<Task> {
         match self {
-            Metadata::Music { artist, .. } => *artist = Some(value.as_ref().into()),
-            _ => {}
+            Metadata::Music { artist, .. } => {
+                *artist = Some(value.as_ref().into());
+                //todo!("emit task");
+                None
+            },
+            _ => None
         }
     }
-    pub fn set_year (&mut self, value: &impl AsRef<str> ) {
+    pub fn set_year (&mut self, value: &impl AsRef<str> ) -> Option<Task> {
         match self {
             Metadata::Music { year, .. } => {
                 if let Ok(value) = value.as_ref().trim().parse::<u32>() {
-                    *year = Some(value)
+                    *year = Some(value);
                 }
+                //todo!("emit task");
+                None
             },
-            _ => {}
+            _ => None
         }
     }
-    pub fn set_album (&mut self, value: &impl AsRef<str> ) {
+    pub fn set_album (&mut self, value: &impl AsRef<str>) -> Option<Task> {
         match self {
-            Metadata::Music { album, .. } => *album = Some(value.as_ref().into()),
-            _ => {}
+            Metadata::Music { album, .. } => {
+                *album = Some(value.as_ref().into());
+                //todo!("emit task");
+                None
+            },
+            _ => None
         }
     }
-    pub fn set_title (&mut self, value: &impl AsRef<str> ) {
+    pub fn set_title (&mut self, value: &impl AsRef<str>) -> Option<Task> {
         match self {
-            Metadata::Music { title, .. } => *title = Some(value.as_ref().into()),
-            _ => {}
+            Metadata::Music { title, .. } => {
+                *title = Some(value.as_ref().into());
+                //todo!("emit task");
+                None
+            },
+            _ => None
         }
     }
-    pub fn set_track (&mut self, value: &impl AsRef<str>) {
+    pub fn set_track (&mut self, value: &impl AsRef<str>) -> Option<Task> {
         match self {
             Metadata::Music { track, .. } => {
                 if let Ok(value) = value.as_ref().trim().parse::<u32>() {
-                    *track = Some(value)
+                    *track = Some(value);
                 }
+                //todo!("emit task");
+                None
             },
-            _ => {}
+            _ => None
         }
     }
 }