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|
extern crate console_error_panic_hook;
use crate::pdfgen;
use wasm_bindgen::prelude::*;
use js_sys;
use yew::prelude::*;
use vcard::{VCard, VCardError};
use std::panic;
fn init() {
panic::set_hook(Box::new(console_error_panic_hook::hook));
}
pub struct Form {
link: ComponentLink<Self>,
error: Option<String>,
formatted_name: String,
generated_vcard: Option<String>,
}
pub enum Msg {
UpdateFormattedName(String),
GenerateVCard,
Nope,
}
impl Component for Form {
type Message = Msg;
type Properties = ();
fn create(_props: Self::Properties, link: ComponentLink<Self>) -> Self {
Self { link, error: None, formatted_name: String::new(), generated_vcard: None }
}
fn update(&mut self, msg: Self::Message) -> ShouldRender {
match msg {
Msg::UpdateFormattedName(value) => self.formatted_name = String::from(value),
Msg::GenerateVCard => {
match self.generate_vcard() {
Ok(vcard) => self.generated_vcard = Some(vcard.to_string()),
Err(VCardError::FormatError(err)) => self.error = Some(err.to_string()),
Err(VCardError::EmptyFormatName) => self.error = Some(String::from("A VCard should have at least one formatted name.")),
};
}
Msg::Nope => (),
};
true
}
fn change(&mut self, _props: Self::Properties) -> ShouldRender {
false
}
fn view(&self) -> Html {
let formatted_name_input = self.link.callback(|e: ChangeData|
match e {
ChangeData::Value(v) => Msg::UpdateFormattedName(v),
_ => Msg::Nope,
}
);
html!{
<div id="form" >
{ self.render_error() }
<label for="formatted_name">{ "Formatted Name" }</label>
<input type="text" id="formatted_name" onchange=formatted_name_input/>
<input id="prefix"/>
<input id="first_name"/>
<input id="middle_name"/>
<input id="last_name"/>
<input id="suffix"/>
<button id="generate-vcard" class="button primary small" onclick=self.link.callback(|_| Msg::GenerateVCard)>{ "Generate VCard" }</button>
{ self.render_pdf() } { self.render_vcard() }
</div>
}
}
}
impl Form {
fn generate_vcard(&self) -> Result<VCard, VCardError> {
match VCard::from_formatted_name_str(&self.formatted_name) {
Ok(vcard) => Ok(vcard),
Err(err) => Err(err),
}
}
fn render_error(&self) -> Html {
if self.error.is_some() {
html!{
<div class="alert danger">
<p>{ self.error.as_ref().unwrap() }</p>
</div>
}
} else {
html!{}
}
}
fn render_pdf(&self) -> Html {
let raw = pdfgen::genpdf();
let data = base64::encode(&raw);
let uri_component: String = js_sys::encode_uri_component(&data).into();
let href = format!{"data:application/pdf;base64,{}", uri_component };
html!{
<a href=href download="demo.pdf" class="button success small" >
{ "Download PDF" }
</a>
}
}
fn render_vcard(&self) -> Html {
if self.generated_vcard.is_some() {
let data = base64::encode(self.generated_vcard.as_ref().unwrap());
let uri_component: String = js_sys::encode_uri_component(&data).into();
let href = format!("data:text/vcard;base64,{}", uri_component);
html!{
<a href=href download=format!("{}.vcs",self.formatted_name) class="button success small">
{ "Download vCard" }
</a>
}
} else {
html!{}
}
}
}
#[wasm_bindgen(start)]
pub fn run_app() {
init();
App::<Form>::new().mount_to_body();
}
|
