1use fs::Fs;
 2use gpui::{AppContext, RenderOnce, SharedString};
 3
 4use crate::{update_settings_file, Settings};
 5
 6/// A UI control that can be used to edit a setting.
 7pub trait EditableSettingControl: RenderOnce {
 8    /// The type of the setting value.
 9    type Value: Send;
10
11    /// The settings type to which this setting belongs.
12    type Settings: Settings;
13
14    /// Returns the name of this setting.
15    fn name(&self) -> SharedString;
16
17    /// Reads the setting value from the settings.
18    fn read(cx: &AppContext) -> Self::Value;
19
20    /// Applies the given setting file to the settings file contents.
21    ///
22    /// This will be called when writing the setting value back to the settings file.
23    fn apply(settings: &mut <Self::Settings as Settings>::FileContent, value: Self::Value);
24
25    /// Writes the given setting value to the settings files.
26    fn write(value: Self::Value, cx: &AppContext) {
27        let fs = <dyn Fs>::global(cx);
28
29        update_settings_file::<Self::Settings>(fs, cx, move |settings, _cx| {
30            Self::apply(settings, value);
31        });
32    }
33}