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https://github.com/DioxusLabs/dioxus
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feat: form works in web
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parent
add21d5f9d
commit
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2 changed files with 31 additions and 25 deletions
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@ -1,6 +1,7 @@
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//! Example: README.md showcase
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//! Forms
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//!
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//!
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//! The example from the README.md.
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//! Dioxus forms deviate slightly from html, automatically returning all named inputs
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//! in the "values" field
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use dioxus::prelude::*;
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use dioxus::prelude::*;
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@ -13,7 +14,7 @@ fn app(cx: Scope) -> Element {
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div {
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div {
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h1 { "Form" }
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h1 { "Form" }
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form {
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form {
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oninput: move |ev| println!("{:?}", ev),
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oninput: move |ev| println!("{:?}", ev.values),
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input { r#type: "text", name: "username" }
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input { r#type: "text", name: "username" }
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input { r#type: "text", name: "full-name" }
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input { r#type: "text", name: "full-name" }
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input { r#type: "password", name: "password" }
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input { r#type: "password", name: "password" }
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@ -41,7 +41,7 @@ impl WebsysDom {
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Some(Ok(id)) => {
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Some(Ok(id)) => {
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break Ok(UserEvent {
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break Ok(UserEvent {
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name: event_name_from_typ(&typ),
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name: event_name_from_typ(&typ),
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data: virtual_event_from_websys_event(event.clone()),
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data: virtual_event_from_websys_event(event.clone(), target.clone()),
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element: Some(ElementId(id)),
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element: Some(ElementId(id)),
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scope_id: None,
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scope_id: None,
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priority: dioxus_core::EventPriority::Medium,
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priority: dioxus_core::EventPriority::Medium,
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@ -57,7 +57,10 @@ impl WebsysDom {
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} else {
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} else {
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break Ok(UserEvent {
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break Ok(UserEvent {
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name: event_name_from_typ(&typ),
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name: event_name_from_typ(&typ),
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data: virtual_event_from_websys_event(event.clone()),
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data: virtual_event_from_websys_event(
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event.clone(),
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target.clone(),
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),
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element: None,
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element: None,
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scope_id: None,
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scope_id: None,
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priority: dioxus_core::EventPriority::Low,
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priority: dioxus_core::EventPriority::Low,
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@ -144,7 +147,10 @@ unsafe impl Sync for DioxusWebsysEvent {}
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// todo: some of these events are being casted to the wrong event type.
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// todo: some of these events are being casted to the wrong event type.
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// We need tests that simulate clicks/etc and make sure every event type works.
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// We need tests that simulate clicks/etc and make sure every event type works.
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fn virtual_event_from_websys_event(event: web_sys::Event) -> Arc<dyn Any + Send + Sync> {
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fn virtual_event_from_websys_event(
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event: web_sys::Event,
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target: Element,
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) -> Arc<dyn Any + Send + Sync> {
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use dioxus_html::on::*;
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use dioxus_html::on::*;
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use dioxus_html::KeyCode;
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use dioxus_html::KeyCode;
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@ -177,9 +183,6 @@ fn virtual_event_from_websys_event(event: web_sys::Event) -> Arc<dyn Any + Send
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// todo: these handlers might get really slow if the input box gets large and allocation pressure is heavy
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// todo: these handlers might get really slow if the input box gets large and allocation pressure is heavy
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// don't have a good solution with the serialized event problem
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// don't have a good solution with the serialized event problem
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"change" | "input" | "invalid" | "reset" | "submit" => {
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"change" | "input" | "invalid" | "reset" | "submit" => {
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let evt: &web_sys::Event = event.dyn_ref().unwrap();
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let target: web_sys::EventTarget = evt.target().unwrap();
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let value: String = (&target)
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let value: String = (&target)
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.dyn_ref()
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.dyn_ref()
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.map(|input: &web_sys::HtmlInputElement| {
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.map(|input: &web_sys::HtmlInputElement| {
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@ -217,28 +220,29 @@ fn virtual_event_from_websys_event(event: web_sys::Event) -> Arc<dyn Any + Send
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let mut values = std::collections::HashMap::new();
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let mut values = std::collections::HashMap::new();
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// try to fill in form values
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if let Some(form) = target.dyn_ref::<web_sys::HtmlFormElement>() {
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if let Some(form) = target.dyn_ref::<web_sys::HtmlFormElement>() {
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let elements = form.elements();
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let elements = form.elements();
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for x in 0..elements.length() {
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for x in 0..elements.length() {
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let element = elements.item(x).unwrap();
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let element = elements.item(x).unwrap();
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if let Some(name) = element.get_attribute("name") {
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if let Some(name) = element.get_attribute("name") {
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let value: String = (&element)
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let value: String = (&element)
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.dyn_ref()
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.dyn_ref()
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.map(|input: &web_sys::HtmlInputElement| {
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.map(|input: &web_sys::HtmlInputElement| {
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match input.type_().as_str() {
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match input.type_().as_str() {
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"checkbox" => {
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"checkbox" => {
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match input.checked() {
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match input.checked() {
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true => "true".to_string(),
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true => "true".to_string(),
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false => "false".to_string(),
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false => "false".to_string(),
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}
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}
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},
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},
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_ => input.value()
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_ => input.value()
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}
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}
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})
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})
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.or_else(|| target.dyn_ref().map(|input: &web_sys::HtmlTextAreaElement| input.value()))
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.or_else(|| target.dyn_ref().map(|input: &web_sys::HtmlTextAreaElement| input.value()))
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.or_else(|| target.dyn_ref().map(|input: &web_sys::HtmlSelectElement| input.value()))
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.or_else(|| target.dyn_ref().map(|input: &web_sys::HtmlSelectElement| input.value()))
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.or_else(|| target.dyn_ref::<web_sys::HtmlElement>().unwrap().text_content())
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.or_else(|| target.dyn_ref::<web_sys::HtmlElement>().unwrap().text_content())
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.expect("only an InputElement or TextAreaElement or an element with contenteditable=true can have an oninput event listener");
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.expect("only an InputElement or TextAreaElement or an element with contenteditable=true can have an oninput event listener");
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values.insert(name, value);
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values.insert(name, value);
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}
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}
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@ -337,6 +341,7 @@ fn virtual_event_from_websys_event(event: web_sys::Event) -> Arc<dyn Any + Send
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| "playing" | "progress" | "ratechange" | "seeked" | "seeking" | "stalled" | "suspend"
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| "playing" | "progress" | "ratechange" | "seeked" | "seeking" | "stalled" | "suspend"
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| "timeupdate" | "volumechange" | "waiting" => Arc::new(MediaData {}),
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| "timeupdate" | "volumechange" | "waiting" => Arc::new(MediaData {}),
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"toggle" => Arc::new(ToggleData {}),
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"toggle" => Arc::new(ToggleData {}),
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_ => Arc::new(()),
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_ => Arc::new(()),
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}
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}
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}
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}
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