diff --git a/fitnesstrax/app/src/components/day.rs b/fitnesstrax/app/src/components/day.rs
index b0b65ed..c50ab46 100644
--- a/fitnesstrax/app/src/components/day.rs
+++ b/fitnesstrax/app/src/components/day.rs
@@ -23,7 +23,7 @@ use crate::{
     },
     view_models::DayDetailViewModel,
 };
-use emseries::Record;
+use emseries::{Record, RecordId};
 use ft_core::{RecordType, TraxRecord};
 use glib::Object;
 use gtk::{prelude::*, subclass::prelude::*};
@@ -199,6 +199,7 @@ impl DayDetail {
 pub struct DayEditPrivate {
     on_finished: RefCell<Box<dyn Fn()>>,
     workout_rows: RefCell<gtk::Box>,
+    view_model: RefCell<DayDetailViewModel>,
 }
 
 impl Default for DayEditPrivate {
@@ -211,6 +212,7 @@ impl Default for DayEditPrivate {
                     .hexpand(true)
                     .build(),
             ),
+            view_model: RefCell::new(DayDetailViewModel::default()),
         }
     }
 }
@@ -239,6 +241,7 @@ impl DayEdit {
         s.set_orientation(gtk::Orientation::Vertical);
         s.set_hexpand(true);
         *s.imp().on_finished.borrow_mut() = Box::new(on_finished);
+        *s.imp().view_model.borrow_mut() = view_model.clone();
 
         let workout_buttons = workout_buttons(view_model.clone(), {
             let s = s.clone();
@@ -258,22 +261,43 @@ impl DayEdit {
     }
 
     fn add_row(&self, workout: Record<TraxRecord>) {
-        println!("add_row: {:?}", workout);
+        println!("adding a row for {:?}", workout);
         let workout_rows = self.imp().workout_rows.borrow();
 
+        let workout_id = workout.id;
         let workout_type = workout.data.workout_type();
 
         match workout.data {
-            TraxRecord::BikeRide(w)
-            | TraxRecord::Row(w)
-            | TraxRecord::Swim(w)
-            | TraxRecord::Run(w)
-            | TraxRecord::Walk(w) => {
-                workout_rows.append(&TimeDistanceEdit::new(workout_type, w, |_, _| {}))
+            TraxRecord::BikeRide(ref w)
+            | TraxRecord::Row(ref w)
+            | TraxRecord::Swim(ref w)
+            | TraxRecord::Run(ref w)
+            | TraxRecord::Walk(ref w) => {
+                workout_rows.append(&TimeDistanceEdit::new(workout_type, w.clone(), {
+                    let s = self.clone();
+                    move |type_, data| {
+                        println!("update workout callback on workout: {:?}", workout_id);
+                        s.update_workout(workout_id, type_, data)
+                    }
+                }));
             }
             _ => {}
         }
     }
+
+    fn update_workout(&self, id: RecordId, type_: RecordType, data: ft_core::TimeDistance) {
+        println!("update workout");
+        let data = match type_ {
+            RecordType::BikeRide => TraxRecord::BikeRide(data),
+            RecordType::Row => TraxRecord::Row(data),
+            RecordType::Swim => TraxRecord::Swim(data),
+            RecordType::Run => TraxRecord::Run(data),
+            RecordType::Walk => TraxRecord::Walk(data),
+            _ => panic!("Record type {:?} is not a Time/Distance record", type_),
+        };
+        let record = Record { id, data };
+        self.imp().view_model.borrow().update_record(record);
+    }
 }
 
 fn control_buttons(s: &DayEdit, view_model: &DayDetailViewModel) -> ActionGroup {
@@ -304,8 +328,9 @@ fn weight_and_steps_row(view_model: &DayDetailViewModel) -> gtk::Box {
     row.append(
         &weight_field(view_model.weight(), {
             let view_model = view_model.clone();
-            move |w| {
-                view_model.set_weight(w);
+            move |w| match w {
+                Some(w) => view_model.set_weight(w),
+                None => unimplemented!("need to delete the weight entry"),
             }
         })
         .widget(),
@@ -314,7 +339,10 @@ fn weight_and_steps_row(view_model: &DayDetailViewModel) -> gtk::Box {
     row.append(
         &steps_editor(view_model.steps(), {
             let view_model = view_model.clone();
-            move |s| view_model.set_steps(s)
+            move |s| match s {
+                Some(s) => view_model.set_steps(s),
+                None => unimplemented!("need to delete the steps entry"),
+            }
         })
         .widget(),
     );
diff --git a/fitnesstrax/app/src/components/steps.rs b/fitnesstrax/app/src/components/steps.rs
index e81c840..f86da50 100644
--- a/fitnesstrax/app/src/components/steps.rs
+++ b/fitnesstrax/app/src/components/steps.rs
@@ -14,7 +14,7 @@ General Public License for more details.
 You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
 */
 
-use crate::components::{ParseError, TextEntry};
+use crate::components::{text_entry::OnUpdate, ParseError, TextEntry};
 use gtk::prelude::*;
 
 #[derive(Default)]
@@ -44,18 +44,13 @@ impl Steps {
 
 pub fn steps_editor<OnUpdate>(value: Option<u32>, on_update: OnUpdate) -> TextEntry<u32>
 where
-    OnUpdate: Fn(u32) + 'static,
+    OnUpdate: Fn(Option<u32>) + 'static,
 {
     TextEntry::new(
         "0",
         value,
         |v| format!("{}", v),
-        move |v| match v.parse::<u32>() {
-            Ok(val) => {
-                on_update(val);
-                Ok(val)
-            }
-            Err(_) => Err(ParseError),
-        },
+        |v| v.parse::<u32>().map_err(|_| ParseError),
+        on_update,
     )
 }
diff --git a/fitnesstrax/app/src/components/text_entry.rs b/fitnesstrax/app/src/components/text_entry.rs
index c3fc96b..b014b33 100644
--- a/fitnesstrax/app/src/components/text_entry.rs
+++ b/fitnesstrax/app/src/components/text_entry.rs
@@ -21,8 +21,9 @@ use std::{cell::RefCell, rc::Rc};
 #[derive(Clone, Debug)]
 pub struct ParseError;
 
-type Renderer<T> = dyn Fn(&T) -> String;
-type Parser<T> = dyn Fn(&str) -> Result<T, ParseError>;
+pub type Renderer<T> = dyn Fn(&T) -> String;
+pub type Parser<T> = dyn Fn(&str) -> Result<T, ParseError>;
+pub type OnUpdate<T> = dyn Fn(Option<T>);
 
 #[derive(Clone)]
 pub struct TextEntry<T: Clone + std::fmt::Debug> {
@@ -30,6 +31,7 @@ pub struct TextEntry<T: Clone + std::fmt::Debug> {
     widget: gtk::Entry,
     renderer: Rc<Renderer<T>>,
     parser: Rc<Parser<T>>,
+    on_update: Rc<OnUpdate<T>>,
 }
 
 impl<T: Clone + std::fmt::Debug> std::fmt::Debug for TextEntry<T> {
@@ -44,10 +46,17 @@ impl<T: Clone + std::fmt::Debug> std::fmt::Debug for TextEntry<T> {
 
 // I do not understand why the data should be 'static.
 impl<T: Clone + std::fmt::Debug + 'static> TextEntry<T> {
-    pub fn new<R, V>(placeholder: &str, value: Option<T>, renderer: R, parser: V) -> Self
+    pub fn new<R, V, U>(
+        placeholder: &str,
+        value: Option<T>,
+        renderer: R,
+        parser: V,
+        on_update: U,
+    ) -> Self
     where
         R: Fn(&T) -> String + 'static,
         V: Fn(&str) -> Result<T, ParseError> + 'static,
+        U: Fn(Option<T>) + 'static,
     {
         let widget = gtk::Entry::builder().placeholder_text(placeholder).build();
         if let Some(ref v) = value {
@@ -59,6 +68,7 @@ impl<T: Clone + std::fmt::Debug + 'static> TextEntry<T> {
             widget,
             renderer: Rc::new(renderer),
             parser: Rc::new(parser),
+            on_update: Rc::new(on_update),
         };
 
         s.widget.buffer().connect_text_notify({
@@ -77,8 +87,9 @@ impl<T: Clone + std::fmt::Debug + 'static> TextEntry<T> {
         }
         match (self.parser)(buffer.text().as_str()) {
             Ok(v) => {
-                *self.value.borrow_mut() = Some(v);
+                *self.value.borrow_mut() = Some(v.clone());
                 self.widget.remove_css_class("error");
+                (self.on_update)(Some(v));
             }
             // need to change the border to provide a visual indicator of an error
             Err(_) => {
@@ -115,35 +126,40 @@ pub fn weight_field<OnUpdate>(
     on_update: OnUpdate,
 ) -> TextEntry<si::Kilogram<f64>>
 where
-    OnUpdate: Fn(si::Kilogram<f64>) + 'static,
+    OnUpdate: Fn(Option<si::Kilogram<f64>>) + 'static,
 {
     TextEntry::new(
         "0 kg",
         weight,
         |val: &si::Kilogram<f64>| val.to_string(),
-        move |v: &str| {
-            let new_weight = v.parse::<f64>().map(|w| w * si::KG).map_err(|_| ParseError);
-            match new_weight {
-                Ok(w) => {
-                    on_update(w);
-                    Ok(w)
-                }
-                Err(err) => Err(err),
-            }
-        },
+        move |v: &str| v.parse::<f64>().map(|w| w * si::KG).map_err(|_| ParseError),
+        on_update,
     )
 }
 
-pub fn time_field(value: chrono::NaiveTime) -> TextEntry<chrono::NaiveTime> {
+pub fn time_field<OnUpdate>(
+    value: chrono::NaiveTime,
+    on_update: OnUpdate,
+) -> TextEntry<chrono::NaiveTime>
+where
+    OnUpdate: Fn(Option<chrono::NaiveTime>) + 'static,
+{
     TextEntry::new(
         "hh:mm",
         Some(value),
         |v| v.format("%H:%M").to_string(),
         |s| chrono::NaiveTime::parse_from_str(s, "%H:%M").map_err(|_| ParseError),
+        on_update,
     )
 }
 
-pub fn distance_field(value: Option<si::Meter<f64>>) -> TextEntry<si::Meter<f64>> {
+pub fn distance_field<OnUpdate>(
+    value: Option<si::Meter<f64>>,
+    on_update: OnUpdate,
+) -> TextEntry<si::Meter<f64>>
+where
+    OnUpdate: Fn(Option<si::Meter<f64>>) + 'static,
+{
     TextEntry::new(
         "0 km",
         value,
@@ -154,10 +170,17 @@ pub fn distance_field(value: Option<si::Meter<f64>>) -> TextEntry<si::Meter<f64>
             println!("value: {}", value);
             Ok(value * 1000. * si::M)
         },
+        on_update,
     )
 }
 
-pub fn duration_field(value: Option<si::Second<f64>>) -> TextEntry<si::Second<f64>> {
+pub fn duration_field<OnUpdate>(
+    value: Option<si::Second<f64>>,
+    on_update: OnUpdate,
+) -> TextEntry<si::Second<f64>>
+where
+    OnUpdate: Fn(Option<si::Second<f64>>) + 'static,
+{
     TextEntry::new(
         "0 minutes",
         value,
@@ -167,6 +190,7 @@ pub fn duration_field(value: Option<si::Second<f64>>) -> TextEntry<si::Second<f6
             let value = digits.parse::<f64>().map_err(|_| ParseError)?;
             Ok(value * 60. * si::S)
         },
+        on_update,
     )
 }
 
diff --git a/fitnesstrax/app/src/components/time_distance.rs b/fitnesstrax/app/src/components/time_distance.rs
index c7297b9..f164540 100644
--- a/fitnesstrax/app/src/components/time_distance.rs
+++ b/fitnesstrax/app/src/components/time_distance.rs
@@ -17,12 +17,12 @@ You should have received a copy of the GNU General Public License along with Fit
 // use crate::components::{EditView, ParseError, TextEntry};
 // use chrono::{Local, NaiveDate};
 // use dimensioned::si;
-use crate::components::distance_field;
+use crate::components::{distance_field, duration_field, time_field};
 use dimensioned::si;
 use ft_core::{RecordType, TimeDistance};
 use glib::Object;
 use gtk::{prelude::*, subclass::prelude::*};
-use std::cell::RefCell;
+use std::{cell::RefCell, rc::Rc};
 
 pub fn time_distance_summary(
     distance: si::Meter<f64>,
@@ -107,10 +107,20 @@ pub fn time_distance_detail(type_: ft_core::RecordType, record: ft_core::TimeDis
     layout
 }
 
-#[derive(Default)]
 pub struct TimeDistanceEditPrivate {
-    type_: RefCell<Option<ft_core::RecordType>>,
-    record: RefCell<Option<ft_core::RecordType>>,
+    type_: RefCell<RecordType>,
+    workout: RefCell<TimeDistance>,
+    on_update: Rc<RefCell<Box<dyn Fn(RecordType, TimeDistance)>>>,
+}
+
+impl Default for TimeDistanceEditPrivate {
+    fn default() -> Self {
+        Self {
+            type_: RefCell::new(RecordType::BikeRide),
+            workout: RefCell::new(TimeDistance::new(chrono::Utc::now().into())),
+            on_update: Rc::new(RefCell::new(Box::new(|_, _| {}))),
+        }
+    }
 }
 
 #[glib::object_subclass]
@@ -131,7 +141,7 @@ glib::wrapper! {
 impl Default for TimeDistanceEdit {
     fn default() -> Self {
         let s: Self = Object::builder().build();
-        s.set_orientation(gtk::Orientation::Horizontal);
+        s.set_orientation(gtk::Orientation::Vertical);
         s.set_hexpand(true);
         s.set_css_classes(&["time-distance-edit"]);
 
@@ -140,23 +150,62 @@ impl Default for TimeDistanceEdit {
 }
 
 impl TimeDistanceEdit {
-    pub fn new<OnUpdate>(type_: RecordType, record: TimeDistance, on_update: OnUpdate) -> Self
+    pub fn new<OnUpdate>(type_: RecordType, workout: TimeDistance, on_update: OnUpdate) -> Self
     where
-        OnUpdate: Fn(&ft_core::RecordType, &ft_core::TimeDistance),
+        OnUpdate: Fn(ft_core::RecordType, ft_core::TimeDistance) + 'static,
     {
         println!("new TimeDistanceEdit");
         let s = Self::default();
 
-        s.append(&gtk::Label::new(Some(
-            record.datetime.format("%H:%M").to_string().as_ref(),
-        )));
+        *s.imp().type_.borrow_mut() = type_;
+        *s.imp().workout.borrow_mut() = workout.clone();
+        *s.imp().on_update.borrow_mut() = Box::new(on_update);
+
+        let details_row = gtk::Box::builder()
+            .orientation(gtk::Orientation::Horizontal)
+            .build();
+
+        details_row.append(
+            &time_field(workout.datetime.naive_local().time(), {
+                let s = s.clone();
+                move |t| s.update_time(t)
+            })
+            .widget(),
+        );
+        details_row.append(
+            &distance_field(workout.distance, {
+                let s = s.clone();
+                move |d| s.update_distance(d)
+            })
+            .widget(),
+        );
+        details_row.append(
+            &duration_field(workout.duration, {
+                let s = s.clone();
+                move |d| s.update_duration(d)
+            })
+            .widget(),
+        );
+        s.append(&details_row);
+        s.append(&gtk::Entry::new());
 
         s
     }
 
-    /*
-    fn with_record<OnUpdate>(type_: ft_core::RecordType, record: ft_core::TimeDistance, on_update: OnUpdate) -> Self
-    where OnUpdate: Fn(&ft_core::RecordType, &ft_core::TimeDistance) {
+    fn update_time(&self, time: Option<chrono::NaiveTime>) {
+        unimplemented!()
+    }
+
+    fn update_distance(&self, distance: Option<si::Meter<f64>>) {
+        println!("update distance");
+        let mut workout = self.imp().workout.borrow_mut();
+        workout.distance = distance;
+        (self.imp().on_update.borrow())(self.imp().type_.borrow().clone(), workout.clone());
+    }
+
+    fn update_duration(&self, duration: Option<si::Second<f64>>) {
+        let mut workout = self.imp().workout.borrow_mut();
+        workout.duration = duration;
+        (self.imp().on_update.borrow())(self.imp().type_.borrow().clone(), workout.clone());
     }
-    */
 }
diff --git a/fitnesstrax/app/src/view_models/day_detail.rs b/fitnesstrax/app/src/view_models/day_detail.rs
index 6bd2d82..9681ba6 100644
--- a/fitnesstrax/app/src/view_models/day_detail.rs
+++ b/fitnesstrax/app/src/view_models/day_detail.rs
@@ -56,10 +56,7 @@ impl<T: Clone + emseries::Recordable> RecordState<T> {
     fn set_value(&mut self, value: T) {
         *self = match self {
             RecordState::Original(r) => RecordState::Updated(Record { data: value, ..*r }),
-            RecordState::New(_) => RecordState::New(Record {
-                id: RecordId::default(),
-                data: value,
-            }),
+            RecordState::New(r) => RecordState::New(Record { data: value, ..*r }),
             RecordState::Updated(r) => RecordState::Updated(Record { data: value, ..*r }),
             RecordState::Deleted(r) => RecordState::Updated(Record { data: value, ..*r }),
         };
@@ -200,14 +197,20 @@ impl DayDetailViewModel {
             .write()
             .unwrap()
             .insert(new_record.id.clone(), RecordState::New(new_record.clone()));
+        println!(
+            "record added: {:?}",
+            self.records.read().unwrap().get(&new_record.id)
+        );
         new_record
     }
 
     pub fn update_record(&self, update: Record<TraxRecord>) {
+        println!("updating a record: {:?}", update);
         let mut records = self.records.write().unwrap();
         records
             .entry(update.id)
             .and_modify(|mut record| record.set_value(update.data));
+        println!("record updated: {:?}", records.get(&update.id));
     }
 
     pub fn records(&self) -> Vec<Record<TraxRecord>> {
@@ -270,6 +273,7 @@ impl DayDetailViewModel {
                         .collect::<Vec<RecordState<TraxRecord>>>();
 
                     for record in records {
+                        println!("saving record: {:?}", record);
                         match record {
                             RecordState::New(Record { data, .. }) => {
                                 let _ = app.put_record(data).await;