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Implement pick_option.

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This commit is contained in:
Dongie Agnir 2015-10-23 13:12:06 -10:00
parent b1d6b0f797
commit 6e9e1465bf
2 changed files with 24 additions and 9 deletions
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3
components/script/dom/htmloptionelement.rs
View file

@ -141,6 +141,9 @@ impl HTMLOptionElementMethods for HTMLOptionElement {
self.selectedness.set(selected);
if let Some(select) = self.upcast::<Node>().ancestors()
.filter_map(Root::downcast::<HTMLSelectElement>).next() {
if selected {
select.pick_option(self);
}
select.ask_for_reset();
}
}

12
components/script/dom/htmlselectelement.rs
View file

@ -83,6 +83,18 @@ impl HTMLSelectElement {
}
}
pub fn pick_option(&self, picked: &HTMLOptionElement) {
if !self.Multiple() {
let node = self.upcast::<Node>();
let picked = picked.upcast();
for opt in node.traverse_preorder().filter_map(Root::downcast::<HTMLOptionElement>) {
if opt.upcast::<HTMLElement>() != picked {
opt.set_selectedness(false);
}
}
}
}
// https://html.spec.whatwg.org/multipage/#concept-select-size
fn display_size(&self) -> u32 {
if self.Size() == 0 {