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Improve the TextEntry field #178

Merged
savanni merged 3 commits from fitnesstrax/text-entry-improvements into main 2024-01-31 14:04:08 +00:00
Conversation 0 Commits 3 Files Changed 8 +186 -66
8 changed files with 186 additions and 66 deletions
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14
fitnesstrax/app/src/components/day.rs
View File

@ -17,7 +17,7 @@ You should have received a copy of the GNU General Public License along with Fit
// use chrono::NaiveDate;
// use ft_core::TraxRecord;
use crate::{
components::{steps_editor, weight_editor, ActionGroup, Steps, WeightLabel},
components::{steps_editor, weight_field, ActionGroup, Steps, WeightLabel},
view_models::DayDetailViewModel,
};
use glib::Object;
@ -283,10 +283,11 @@ impl DayEdit {
.orientation(gtk::Orientation::Horizontal)
.build();
top_row.append(
&weight_editor(view_model.weight(), {
&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 => eprintln!("have not implemented record delete"),
}
})
.widget(),
@ -295,7 +296,10 @@ impl DayEdit {
top_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 => eprintln!("have not implemented record delete"),
}
})
.widget(),
);

4
fitnesstrax/app/src/components/mod.rs
View File

@ -27,13 +27,13 @@ mod steps;
pub use steps::{steps_editor, Steps};
mod text_entry;
pub use text_entry::TextEntry;
pub use text_entry::{weight_field, TextEntry};
mod time_distance;
pub use time_distance::TimeDistanceView;
mod weight;
pub use weight::{weight_editor, WeightLabel};
pub use weight::WeightLabel;
use glib::Object;
use gtk::{prelude::*, subclass::prelude::*};

11
fitnesstrax/app/src/components/steps.rs
View File

@ -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),
},
move |v| v.parse::<u32>().map_err(|_| ParseError),
on_update,
)
}

183
fitnesstrax/app/src/components/text_entry.rs
View File

@ -14,20 +14,22 @@ 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::types::ParseError;
use crate::types::{
DistanceFormatter, DurationFormatter, FormatOption, ParseError, TimeFormatter, WeightFormatter,
};
use gtk::prelude::*;
use std::{cell::RefCell, rc::Rc};
type Renderer<T> = dyn Fn(&T) -> String;
type Parser<T> = dyn Fn(&str) -> Result<T, ParseError>;
type OnUpdate<T> = dyn Fn(Option<T>);
#[derive(Clone)]
pub struct TextEntry<T: Clone + std::fmt::Debug> {
value: Rc<RefCell<Option<T>>>,
widget: gtk::Entry,
#[allow(unused)]
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> {
@ -42,10 +44,17 @@ 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 {
@ -55,8 +64,8 @@ impl<T: Clone + std::fmt::Debug + 'static> TextEntry<T> {
let s = Self {
value: Rc::new(RefCell::new(value)),
widget,
renderer: Rc::new(renderer),
parser: Rc::new(parser),
on_update: Rc::new(on_update),
};
s.widget.buffer().connect_text_notify({
@ -71,12 +80,14 @@ impl<T: Clone + std::fmt::Debug + 'static> TextEntry<T> {
if buffer.text().is_empty() {
*self.value.borrow_mut() = None;
self.widget.remove_css_class("error");
(self.on_update)(None);
return;
}
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(_) => {
@ -85,25 +96,147 @@ impl<T: Clone + std::fmt::Debug + 'static> TextEntry<T> {
}
}
#[allow(unused)]
pub fn value(&self) -> Option<T> {
let v = self.value.borrow().clone();
self.value.borrow().clone()
}
pub fn set_value(&self, value: Option<T>) {
if let Some(ref v) = value {
self.widget.set_text(&(self.renderer)(v))
}
*self.value.borrow_mut() = value;
}
#[allow(unused)]
pub fn grab_focus(&self) {
self.widget.grab_focus();
}
pub fn widget(&self) -> gtk::Widget {
self.widget.clone().upcast::<gtk::Widget>()
}
#[cfg(test)]
fn has_parse_error(&self) -> bool {
self.widget.has_css_class("error")
}
}
pub fn time_field<OnUpdate>(
value: Option<TimeFormatter>,
on_update: OnUpdate,
) -> TextEntry<TimeFormatter>
where
OnUpdate: Fn(Option<TimeFormatter>) + 'static,
{
TextEntry::new(
"HH:MM",
value,
|val| val.format(FormatOption::Abbreviated),
TimeFormatter::parse,
on_update,
)
}
pub fn distance_field<OnUpdate>(
value: Option<DistanceFormatter>,
on_update: OnUpdate,
) -> TextEntry<DistanceFormatter>
where
OnUpdate: Fn(Option<DistanceFormatter>) + 'static,
{
TextEntry::new(
"0 km",
value,
|val| val.format(FormatOption::Abbreviated),
DistanceFormatter::parse,
on_update,
)
}
pub fn duration_field<OnUpdate>(
value: Option<DurationFormatter>,
on_update: OnUpdate,
) -> TextEntry<DurationFormatter>
where
OnUpdate: Fn(Option<DurationFormatter>) + 'static,
{
TextEntry::new(
"0 m",
value,
|val| val.format(FormatOption::Abbreviated),
DurationFormatter::parse,
on_update,
)
}
pub fn weight_field<OnUpdate>(
weight: Option<WeightFormatter>,
on_update: OnUpdate,
) -> TextEntry<WeightFormatter>
where
OnUpdate: Fn(Option<WeightFormatter>) + 'static,
{
TextEntry::new(
"0 kg",
weight,
|val| val.format(FormatOption::Abbreviated),
WeightFormatter::parse,
on_update,
)
}
#[cfg(test)]
mod test {
use super::*;
use crate::gtk_init::gtk_init;
fn setup_u32_entry() -> (Rc<RefCell<Option<u32>>>, TextEntry<u32>) {
let current_value = Rc::new(RefCell::new(None));
let entry = TextEntry::new(
"step count",
None,
|steps| format!("{}", steps),
|v| v.parse::<u32>().map_err(|_| ParseError),
{
let current_value = current_value.clone();
move |v| *current_value.borrow_mut() = v
},
);
(current_value, entry)
}
#[test]
fn it_responds_to_field_changes() {
gtk_init();
let (current_value, entry) = setup_u32_entry();
let buffer = entry.widget.buffer();
buffer.set_text("1");
assert_eq!(*current_value.borrow(), Some(1));
buffer.set_text("15");
assert_eq!(*current_value.borrow(), Some(15));
}
#[test]
fn it_preserves_last_value_in_parse_error() {
crate::gtk_init::gtk_init();
let (current_value, entry) = setup_u32_entry();
let buffer = entry.widget.buffer();
buffer.set_text("1");
assert_eq!(*current_value.borrow(), Some(1));
buffer.set_text("a5");
assert_eq!(*current_value.borrow(), Some(1));
assert!(entry.has_parse_error());
}
#[test]
fn it_update_on_empty_strings() {
gtk_init();
let (current_value, entry) = setup_u32_entry();
let buffer = entry.widget.buffer();
buffer.set_text("1");
assert_eq!(*current_value.borrow(), Some(1));
buffer.set_text("");
assert_eq!(*current_value.borrow(), None);
buffer.set_text("1");
assert_eq!(*current_value.borrow(), Some(1));
buffer.set_text("1a");
assert_eq!(*current_value.borrow(), Some(1));
assert!(entry.has_parse_error());
buffer.set_text("");
assert_eq!(*current_value.borrow(), None);
assert!(!entry.has_parse_error());
}
}

24
fitnesstrax/app/src/components/weight.rs
View File

@ -43,27 +43,3 @@ impl WeightLabel {
self.label.clone().upcast()
}
}
pub fn weight_editor<OnUpdate>(
weight: Option<WeightFormatter>,
on_update: OnUpdate,
) -> TextEntry<WeightFormatter>
where
OnUpdate: Fn(WeightFormatter) + 'static,
{
TextEntry::new(
"0 kg",
weight,
|val: &WeightFormatter| val.format(FormatOption::Abbreviated),
move |v: &str| {
let new_weight = WeightFormatter::parse(v);
match new_weight {
Ok(w) => {
on_update(w);
Ok(w)
}
Err(err) => Err(err),
}
},
)
}

10
fitnesstrax/app/src/gtk_init.rs Normal file
View File

@ -0,0 +1,10 @@
use std::sync::Once;
static INITIALIZED: Once = Once::new();
pub fn gtk_init() {
INITIALIZED.call_once(|| {
eprintln!("initializing GTK");
let _ = gtk::init();
});
}

2
fitnesstrax/app/src/main.rs
View File

@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License along with Fit
mod app;
mod app_window;
mod components;
#[cfg(test)]
mod gtk_init;
mod types;
mod view_models;
mod views;

4
fitnesstrax/app/src/types.rs
View File

@ -60,7 +60,7 @@ pub enum FormatOption {
pub struct TimeFormatter(chrono::NaiveTime);
impl TimeFormatter {
fn format(&self, option: FormatOption) -> String {
pub fn format(&self, option: FormatOption) -> String {
match option {
FormatOption::Abbreviated => self.0.format("%H:%M"),
FormatOption::Full => self.0.format("%H:%M:%S"),
@ -68,7 +68,7 @@ impl TimeFormatter {
.to_string()
}
fn parse(s: &str) -> Result<TimeFormatter, ParseError> {
pub fn parse(s: &str) -> Result<TimeFormatter, ParseError> {
let parts = s
.split(':')
.map(|part| part.parse::<u32>().map_err(|_| ParseError))