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add HTMLOptionElement form attribute support

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This commit is contained in:
Alexandrov Sergey 2016-08-30 17:25:35 +03:00
parent 7ebdf98d28
commit f5dbf41841
2 changed files with 17 additions and 1 deletions
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16
components/script/dom/htmloptionelement.rs
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@ -6,6 +6,7 @@ use dom::attr::Attr;
use dom::bindings::codegen::Bindings::CharacterDataBinding::CharacterDataMethods;
use dom::bindings::codegen::Bindings::HTMLOptionElementBinding;
use dom::bindings::codegen::Bindings::HTMLOptionElementBinding::HTMLOptionElementMethods;
use dom::bindings::codegen::Bindings::HTMLSelectElementBinding::HTMLSelectElementBinding::HTMLSelectElementMethods;
use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
use dom::bindings::inheritance::Castable;
use dom::bindings::js::Root;
@ -14,6 +15,8 @@ use dom::characterdata::CharacterData;
use dom::document::Document;
use dom::element::{AttributeMutation, Element};
use dom::htmlelement::HTMLElement;
use dom::htmlformelement::HTMLFormElement;
use dom::htmloptgroupelement::HTMLOptGroupElement;
use dom::htmlscriptelement::HTMLScriptElement;
use dom::htmlselectelement::HTMLSelectElement;
use dom::node::{Node, UnbindContext};
@ -110,6 +113,19 @@ impl HTMLOptionElementMethods for HTMLOptionElement {
self.upcast::<Node>().SetTextContent(Some(value))
}
// https://html.spec.whatwg.org/multipage/#dom-option-form
fn GetForm(&self) -> Option<Root<HTMLFormElement>> {
let parent = self.upcast::<Node>().GetParentNode().and_then(|p|
if p.is::<HTMLOptGroupElement>() {
p.upcast::<Node>().GetParentNode()
} else {
Some(p)
}
);
parent.and_then(|p| p.downcast::<HTMLSelectElement>().and_then(|s| s.GetForm()))
}
// https://html.spec.whatwg.org/multipage/#attr-option-value
fn Value(&self) -> DOMString {
let element = self.upcast::<Element>();