generated from mitchell/rust_template
133 lines
4.4 KiB
Rust
133 lines
4.4 KiB
Rust
use super::{
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BuilderCxFn, BuilderFn, ControlBuilder, ControlData, ControlRenderData, ValidatedControlData,
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};
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use crate::{form::FormToolData, form_builder::FormBuilder, styles::FormStyle};
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use leptos::{IntoSignal, MaybeSignal, Signal, SignalGet, View};
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use std::rc::Rc;
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/// Data used for the select control.
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#[derive(Debug, Clone, PartialEq, Eq, Default)]
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pub struct SelectData {
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pub name: String,
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pub label: Option<String>,
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/// The options for the select.
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///
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/// The first value is the string to display, the second is the value.
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pub options: MaybeSignal<Vec<(String, String)>>,
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/// The display text for the blank option, if there is one.
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pub blank_option: Option<String>,
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}
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impl ControlData for SelectData {
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type ReturnType = String;
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fn build_control<FS: FormStyle>(
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fs: &FS,
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control: Rc<ControlRenderData<FS, Self>>,
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value_getter: Signal<Self::ReturnType>,
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value_setter: Rc<dyn Fn(Self::ReturnType)>,
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validation_state: Signal<Result<(), String>>,
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) -> View {
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fs.select(control, value_getter, value_setter, validation_state)
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}
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}
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impl ValidatedControlData for SelectData {}
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impl<FD: FormToolData> FormBuilder<FD> {
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/// Builds a select control and adds it to the form.
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pub fn select<FDT: Clone + PartialEq + 'static>(
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self,
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builder: impl BuilderFn<ControlBuilder<FD, SelectData, FDT>>,
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) -> Self {
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self.new_control(builder)
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}
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/// Builds a select control using the form's context and adds it to the
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/// form.
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pub fn select_cx<FDT: Clone + PartialEq + 'static>(
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self,
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builder: impl BuilderCxFn<ControlBuilder<FD, SelectData, FDT>, FD::Context>,
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) -> Self {
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self.new_control_cx(builder)
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}
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}
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impl<FD: FormToolData, FDT> ControlBuilder<FD, SelectData, FDT> {
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/// Sets the name of the radio button inputs.
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///
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/// This is used for the html element's "name" attribute.
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/// In forms, the name attribute is the key that the data is sent
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/// with.
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pub fn named(mut self, control_name: impl ToString) -> Self {
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self.data.name = control_name.to_string();
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self
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}
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/// Sets the label for the select.
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pub fn labeled(mut self, label: impl ToString) -> Self {
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self.data.label = Some(label.to_string());
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self
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}
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/// Sets the options from the provided iterator.
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///
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/// This will overwrite any pervious options setting.
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pub fn with_options(mut self, options: impl Iterator<Item = impl ToString>) -> Self {
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let options = options.map(|v| (v.to_string(), v.to_string())).collect();
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self.data.options = MaybeSignal::Static(options);
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self
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}
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/// Sets the options to the (display_string, value) pairs from the
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/// provided iterator.
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///
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/// This will overwrite any pervious options setting.
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pub fn with_options_valued(
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mut self,
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options: impl Iterator<Item = (impl ToString, impl ToString)>,
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) -> Self {
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let options = options
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.map(|(d, v)| (d.to_string(), v.to_string()))
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.collect();
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self.data.options = MaybeSignal::Static(options);
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self
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}
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/// Sets the options from the provided signal.
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///
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/// This will overwrite any pervious options setting.
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pub fn with_options_signal(mut self, options: Signal<Vec<String>>) -> Self {
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let options = move || {
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options
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.get()
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.into_iter()
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.map(|v| (v.clone(), v))
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.collect::<Vec<_>>()
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};
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self.data.options = MaybeSignal::Dynamic(options.into_signal());
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self
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}
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/// Sets the options to the (display_string, value) pairs from the
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/// provided signal.
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///
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/// This will overwrite any pervious options setting.
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pub fn with_options_valued_signal(mut self, options: Signal<Vec<(String, String)>>) -> Self {
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self.data.options = MaybeSignal::Dynamic(options);
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self
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}
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/// Adds a blank option as the first option for the select.
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pub fn with_blank_option(mut self) -> Self {
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self.data.blank_option = Some(String::new());
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self
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}
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/// Adds a blank option as the first option for the select,
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/// but sets the display string to the given value.
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pub fn with_blank_option_displayed(mut self, display: impl ToString) -> Self {
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self.data.blank_option = Some(display.to_string());
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self
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}
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}
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