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use iced::Element;
use crate::{
gui::components::navigation::{
navigation_select_option::SelectOptionResult, navigation_set_options::SetOptionsResult,
},
traits::{Component, Navigable, NavigationResult},
};
use super::{Action, Message, Navigation};
impl<'a, TOption> Component<'a, Message<TOption>, Action<TOption>> for Navigation<TOption>
where
TOption: Clone + PartialEq + 'a,
Element<'a, Message<TOption>>: From<&'a TOption>,
{
fn update(&mut self, message: Message<TOption>) -> Action<TOption> {
match message {
Message::SelectOption(option) => match self.select_option(option) {
SelectOptionResult::SelectedExistingOption(option)
| SelectOptionResult::SelectedNewOption(option) => Action::SelectOption(option),
SelectOptionResult::AlreadySelected => Action::None,
},
Message::SetOptions(options) => match self.set_options(options) {
SetOptionsResult::SetOptionsAndKeptSelection => Action::None,
SetOptionsResult::SetOptionsAndSetSelectedOption(option) => {
Action::SelectOption(option)
}
},
Message::SelectNext => match self.move_next() {
NavigationResult::Moved(option) => Action::SelectOption(option),
NavigationResult::LastOption => Action::None,
},
Message::SelectPrev => match self.move_prev() {
NavigationResult::Moved(option) => Action::SelectOption(option),
NavigationResult::LastOption => Action::None,
},
}
}
}
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