10 releases
Uses old Rust 2015
0.2.2 | Mar 5, 2018 |
---|---|
0.2.1 | Feb 24, 2018 |
0.1.6 | Jan 4, 2018 |
0.1.2 | Dec 28, 2017 |
#431 in GUI
Used in virtual_view_dom
110KB
3.5K
SLoC
rs-virtual_view
a virtual view in rust
extern crate messenger;
extern crate serde_json;
extern crate tokio;
#[macro_use]
extern crate virtual_view;
use messenger::unbounded_channel;
use tokio::executor::current_thread;
use virtual_view::{Children, Component, EventManager, Instance, Prop, Props, Renderer, Updater,
View};
struct Button;
impl Component for Button {
fn name(&self) -> &'static str {
"Button"
}
fn render(&self, _: &Instance, props: &Props, children: &Children) -> View {
view! {
<button class="Button" ...{ props }>{ each children }</button>
}
}
}
struct Counter;
impl Counter {
fn on_add_count(updater: &Updater) -> Prop {
updater.set_state(|current| {
let mut next = current.clone();
next.update("count", |count| {
if let Some(c) = count.number() {
*count = (c + 1.0).into();
}
});
next
});
Prop::Null
}
fn on_sub_count(updater: &Updater) -> Prop {
updater.set_state(|current| {
let mut next = current.clone();
next.update("count", |count| {
if let Some(c) = count.number() {
*count = (c - 1.0).into();
}
});
next
});
Prop::Null
}
}
impl Component for Counter {
fn name(&self) -> &'static str {
"Counter"
}
fn initial_state(&self, props: &Props) -> Props {
props! {
"count": props.take("count").unwrap_or(0.into())
}
}
fn render(&self, instance: &Instance, _: &Props, _: &Children) -> View {
view! {
<div class="Counter">
<p>{format!("Count {}", instance.state.get("count"))}</p>
<{Button} onclick={ block {
let updater = instance.updater.clone();
move |_: &mut Props| Counter::on_add_count(&updater)
} }>
{"Add"}
</{Button}>
<{Button} onclick={ block {
let updater = instance.updater.clone();
move |_: &mut Props| Counter::on_sub_count(&updater)
} }>
{"Sub"}
</{Button}>
</div>
}
}
}
fn main() {
let (server, client, future) = unbounded_channel();
let event_manager = EventManager::new();
let _renderer = Renderer::new(
view! {
<{Counter} count=0/>
},
event_manager.clone(),
server,
);
let c = client.clone();
let _ = client.on("virtual_view.transaction", move |t| {
println!("{}", t);
c.close();
None
});
current_thread::run(move |_| {
let _ = current_thread::spawn(future);
});
}
Dependencies
~0.7–1.5MB
~33K SLoC