lan-party-backend/core/src/edit.rs

476 lines
12 KiB
Rust

use std::{
collections::{HashMap, HashSet},
hash::Hash,
marker::PhantomData,
str::FromStr,
};
use crate::components::Block;
use log::debug;
use paste::paste;
use sycamore::prelude::*;
use crate::components::{BlockProps, Button};
pub mod prelude {
pub use super::{Edit, EditProps, Editable, Editor, IntoEdit};
pub use crate::{
components::Block, edit_enum, edit_fields, edit_struct, editable, link_fields,
link_variants,
};
pub use paste::paste;
pub use sycamore::prelude::*;
}
#[macro_export]
macro_rules! editable {
($type:ty => $editor:ty) => {
impl<'a, G: Html> Editable<'a, G> for $type {
type Editor = $editor;
}
};
}
#[macro_export]
macro_rules! edit_fields {
($cx:ident, $(($name:expr, $prop:expr)),* $(,)?) => {
view! { $cx,
$(
p {
label { ($name) }
($prop.edit($cx))
}
)*
}
};
}
#[macro_export]
macro_rules! link_fields {
($cx:ident, $($field:ident),* $(,)? => $state:ident as $t:ident) => {
$(let $field = create_signal($cx, $state.get_untracked().$field.clone());)*
create_effect($cx, || {
$state.set($t {
$($field: $field.get().as_ref().clone(),)*
..Default::default()
});
});
};
}
#[macro_export]
macro_rules! edit_struct {
($struct:ident => $(($name:expr, $prop:ident)),* $(,)?) => {
paste! {
pub struct [<$struct Edit>];
impl<'a, G: Html> Editor<'a, G, $struct> for [<$struct Edit>] {
fn edit(cx: Scope<'a>, props: EditProps<'a, $struct>) -> View<G> {
let state = props.state;
link_fields!(cx, $($prop,)* => state as $struct);
view! { cx,
Block(title=stringify!($struct).into()) {
(edit_fields!(cx, $(($name, $prop),)*))
}
}
}
}
editable!($struct => [<$struct Edit>]);
}
};
}
#[macro_export]
macro_rules! link_variants {
($cx:ident, $selected:ident => $(($var_name:ident = $variant:ident: $var_type:ty)),* $(,)? => $state:ident as $t:ident) => {
let $selected = create_signal($cx, String::from("0"));
$(let $var_name = if let $t::$variant(v) = $state.get_untracked().as_ref().clone() {
create_signal($cx, v.clone())
} else {
create_signal($cx, <$var_type>::default())
};)*
create_effect($cx, || {
match $selected.get().as_str() {
$(stringify!($var_name) => $state.set($t::$variant($var_name.get().as_ref().clone())),)*
//_ => unreachable!()
_ => {}
}
});
};
}
#[macro_export]
macro_rules! edit_enum {
($enum:ident => $selected:ident => $($var_name:ident = $variant:ident: $var_type:ty),* $(,)?) => {
paste! {
pub struct [<$enum Edit>];
impl<'a, G: Html> Editor<'a, G, $enum> for [<$enum Edit>] {
fn edit(cx: Scope<'a>, props: EditProps<'a, $enum>) -> View<G> {
let state = props.state;
link_variants!(cx, $selected =>
$(($var_name = $variant: $var_type),)*
=> state as $enum
);
view! { cx,
Block(title=stringify!($enum).to_string()) {
select(bind:value=$selected) {
$(option(value={stringify!($var_name)}, selected=true) { (stringify!($variant)) })*
}
(match $selected.get().as_str() {
$(stringify!($var_name) => $var_name.edit(cx),)*
//_ => unreachable!()
_ => view! { cx, }
})
}
}
}
}
editable!($enum => [<$enum Edit>]);
}
};
}
#[derive(Prop)]
pub struct EditProps<'a, T> {
pub state: &'a Signal<T>,
}
impl<'a, T> From<&'a Signal<T>> for EditProps<'a, T> {
fn from(state: &'a Signal<T>) -> Self {
EditProps { state }
}
}
pub trait IntoEdit<'a, G: Html> {
fn edit(self, cx: Scope<'a>) -> View<G>;
}
impl<'a, G: Html, T: Editable<'a, G>> IntoEdit<'a, G> for &'a Signal<T>
where
EditProps<'a, T>: From<&'a Signal<T>>,
{
fn edit(self, cx: Scope<'a>) -> View<G> {
T::edit(cx, self.into())
}
}
pub trait Edit<'a, G: Html>: Sized {
fn edit(cx: Scope<'a>, props: EditProps<'a, Self>) -> View<G>;
}
impl<'a, G, E, Type> Edit<'a, G> for Type
where
G: Html,
E: Editor<'a, G, Type>,
Type: Editable<'a, G, Editor = E>,
{
fn edit(cx: Scope<'a>, props: EditProps<'a, Self>) -> View<G> {
E::edit(cx, props)
}
}
pub trait Editor<'a, G: Html, Type>: Sized {
fn edit(cx: Scope<'a>, props: EditProps<'a, Type>) -> View<G>;
}
pub trait Editable<'a, G: Html>: Sized {
type Editor: Editor<'a, G, Self>;
}
pub struct StringEdit;
impl<'a, G: Html> Editor<'a, G, String> for StringEdit {
fn edit(cx: Scope<'a>, props: EditProps<'a, String>) -> View<G> {
view! { cx,
input(bind:value=props.state)
}
}
}
editable!(String => StringEdit);
pub struct StubEdit;
impl<'a, G: Html, T> Editor<'a, G, T> for StubEdit
where
T: Editable<'a, G, Editor = StubEdit>,
{
fn edit(cx: Scope<'a>, _props: EditProps<'a, T>) -> View<G> {
view! { cx,
i { "Editor Unimplemented" }
}
}
}
impl<'a, G: Html, T: for<'b> Editable<'b, G>> Editable<'a, G> for Option<T> {
type Editor = StubEdit;
}
pub struct InputEdit;
impl<'a, G: Html, T> Editor<'a, G, T> for InputEdit
where
T: Editable<'a, G, Editor = InputEdit> + FromStr + ToString + Default,
{
fn edit(cx: Scope<'a>, props: EditProps<'a, T>) -> View<G> {
let value = create_signal(cx, props.state.get_untracked().to_string());
create_effect(cx, || {
props
.state
.set((*value.get()).parse().unwrap_or(T::default()))
});
view! { cx,
input(bind:value=value)
}
}
}
editable!(i64 => InputEdit);
editable!(i32 => InputEdit);
editable!(isize => InputEdit);
editable!(u64 => InputEdit);
editable!(u32 => InputEdit);
editable!(usize => InputEdit);
editable!(f64 => InputEdit);
editable!(f32 => InputEdit);
pub struct BoolEdit;
impl<'a, G: Html> Editor<'a, G, bool> for BoolEdit {
fn edit(cx: Scope<'a>, props: EditProps<'a, bool>) -> View<G> {
view! { cx,
input(type="checkbox", bind:checked=props.state)
}
}
}
editable!(bool => BoolEdit);
pub struct VecEdit;
impl<'a, G, T, I> Editor<'a, G, I> for VecEdit
where
G: Html,
T: for<'b> Editable<'b, G> + Clone + PartialEq + Default + 'a,
I: IntoIterator<Item = T> + FromIterator<T> + Clone,
{
fn edit(cx: Scope<'a>, props: EditProps<'a, I>) -> View<G> {
let vec = create_signal(
cx,
props
.state
.get_untracked()
.as_ref()
.clone()
.into_iter()
.map(|x| create_signal(cx, x))
.collect::<Vec<_>>(),
);
create_effect(cx, || {
props.state.set(
vec.get()
.as_ref()
.iter()
.cloned()
.map(|x| x.get().as_ref().clone())
.collect(),
)
});
let onadd = move |_| vec.modify().push(create_signal(cx, T::default()));
let onremove = move |item: &'a Signal<T>| {
move |_| {
let cloned = vec.get().as_ref().clone();
vec.set(
cloned
.into_iter()
.filter(|x| x.get().as_ref() != item.get().as_ref())
.collect(),
);
}
};
Block(
cx,
BlockProps {
title: "List".into(),
children: Children::new(cx, move |_| {
view! { cx,
div {
Indexed(
iterable=vec,
view=move |cx: BoundedScope<'_, 'a>, x: &'a Signal<T>| {
view! { cx,
(x.edit(cx))
Button(onclick=onremove(x), icon="mdi-delete".into())
br()
}
},
)
Button(onclick=onadd, text="Add new".into(), icon="mdi-plus".into())
}
}
}),
},
)
}
}
impl<'a, G, T> Editable<'a, G> for Vec<T>
where
G: Html,
T: for<'b> Editable<'b, G> + Clone + PartialEq + Default + 'a,
{
type Editor = VecEdit;
}
impl<'a, G, T> Editable<'a, G> for HashSet<T>
where
G: Html,
T: for<'b> Editable<'b, G> + Clone + PartialEq + Default + Hash + Eq + 'a,
{
type Editor = VecEdit;
}
impl<'a, G, K, V> Editable<'a, G> for HashMap<K, V>
where
G: Html,
K: Clone + Hash + Eq,
V: Clone,
(K, V): for<'b> Editable<'b, G> + Clone + PartialEq + Default + Hash + Eq + 'a,
{
type Editor = VecEdit;
}
pub struct TupleEdit;
impl<'a, G: Html, A: for<'b> Editable<'b, G> + Clone, B: for<'b> Editable<'b, G> + Clone>
Editor<'a, G, (A, B)> for TupleEdit
{
fn edit(cx: Scope<'a>, props: EditProps<'a, (A, B)>) -> View<G> {
let state = props.state;
let (a, b) = state.get_untracked().as_ref().clone();
let a = create_signal(cx, a.clone());
let b = create_signal(cx, b.clone());
create_effect(cx, || {
props
.state
.set((a.get().as_ref().clone(), b.get().as_ref().clone()))
});
view! { cx,
Block(title="Tuple".into()) {
(a.edit(cx))
(b.edit(cx))
}
}
}
}
pub struct LabeledEdit<T> {
_t: PhantomData<T>,
}
impl<'a, G, T, U> Editor<'a, G, U> for LabeledEdit<T>
where
G: Html,
T: for<'b> Editable<'b, G> + Clone + 'a,
U: Into<WithLabel<T>> + From<WithLabel<T>> + Clone,
{
fn edit(cx: Scope<'a>, props: EditProps<'a, U>) -> View<G> {
let cloned: U = props.state.get_untracked().as_ref().clone();
let state: WithLabel<T> = cloned.into();
let label = state.label.clone();
let inner = create_signal(cx, state.inner.clone());
{
let label = label.clone();
create_effect(cx, move || {
props.state.set(
WithLabel {
label: label.clone(),
inner: inner.get().as_ref().clone(),
}
.into(),
)
});
}
let label = create_signal(cx, label);
view! { cx,
div {
(label.get())
(inner.edit(cx))
}
}
}
}
#[derive(Clone)]
pub struct WithLabel<T: Clone> {
label: String,
inner: T,
}
impl<'a, G: Html, T: for<'b> Editable<'b, G> + Clone + 'a> Editable<'a, G> for WithLabel<T> {
type Editor = LabeledEdit<T>;
}
impl<'a, G, A, B> Editable<'a, G> for (A, B)
where
G: Html,
A: for<'b> Editable<'b, G> + Clone,
B: for<'b> Editable<'b, G> + Clone,
{
type Editor = TupleEdit;
}
pub struct User(String);
impl From<WithLabel<String>> for User {
fn from(l: WithLabel<String>) -> Self {
User(l.inner)
}
}
impl From<User> for WithLabel<String> {
fn from(u: User) -> Self {
WithLabel {
label: "User".into(),
inner: u.0,
}
}
}
#[derive(Default, Clone, Debug)]
pub struct Test {
inner: TestInner,
inner2: TestInner,
}
edit_struct!(Test => ("Inner", inner), ("Inner 2", inner2));
#[derive(Default, Clone, Debug)]
pub struct TestInner {
some_text: String,
some_number: usize,
}
edit_struct!(TestInner => ("Text", some_text), ("Number", some_number));