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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use dom::bindings::codegen::Bindings::HTMLInputElementBinding::HTMLInputElementMethods;
use dom::bindings::codegen::Bindings::NodeListBinding::NodeListMethods;
use dom::bindings::codegen::Bindings::RadioNodeListBinding;
use dom::bindings::codegen::Bindings::RadioNodeListBinding::RadioNodeListMethods;
use dom::bindings::inheritance::Castable;
use dom::bindings::reflector::reflect_dom_object;
use dom::bindings::root::{Dom, DomRoot};
use dom::bindings::str::DOMString;
use dom::htmlinputelement::{HTMLInputElement, InputType};
use dom::node::Node;
use dom::nodelist::{NodeList, NodeListType};
use dom::window::Window;
use dom_struct::dom_struct;
#[dom_struct]
pub struct RadioNodeList {
node_list: NodeList,
}
impl RadioNodeList {
#[allow(unrooted_must_root)]
fn new_inherited(list_type: NodeListType) -> RadioNodeList {
RadioNodeList {
node_list: NodeList::new_inherited(list_type)
}
}
#[allow(unrooted_must_root)]
pub fn new(window: &Window, list_type: NodeListType) -> DomRoot<RadioNodeList> {
reflect_dom_object(Box::new(RadioNodeList::new_inherited(list_type)),
window,
RadioNodeListBinding::Wrap)
}
pub fn new_simple_list<T>(window: &Window, iter: T) -> DomRoot<RadioNodeList>
where T: Iterator<Item=DomRoot<Node>> {
RadioNodeList::new(window, NodeListType::Simple(iter.map(|r| Dom::from_ref(&*r)).collect()))
}
// FIXME: This shouldn't need to be implemented here since NodeList (the parent of
// RadioNodeList) implements Length
// https://github.com/servo/servo/issues/5875
pub fn Length(&self) -> u32 {
self.node_list.Length()
}
}
impl RadioNodeListMethods for RadioNodeList {
// https://html.spec.whatwg.org/multipage/#dom-radionodelist-value
fn Value(&self) -> DOMString {
self.upcast::<NodeList>().as_simple_list().iter().filter_map(|node| {
// Step 1
node.downcast::<HTMLInputElement>().and_then(|input| {
if input.input_type() == InputType::Radio && input.Checked() {
// Step 3-4
let value = input.Value();
Some(if value.is_empty() { DOMString::from("on") } else { value })
} else {
None
}
})
}).next()
// Step 2
.unwrap_or(DOMString::from(""))
}
// https://html.spec.whatwg.org/multipage/#dom-radionodelist-value
fn SetValue(&self, value: DOMString) {
for node in self.upcast::<NodeList>().as_simple_list().iter() {
// Step 1
if let Some(input) = node.downcast::<HTMLInputElement>() {
match input.input_type() {
InputType::Radio if value == DOMString::from("on") => {
// Step 2
let val = input.Value();
if val.is_empty() || val == value {
input.SetChecked(true);
return;
}
}
InputType::Radio => {
// Step 2
if input.Value() == value {
input.SetChecked(true);
return;
}
}
_ => {}
}
}
}
}
// FIXME: This shouldn't need to be implemented here since NodeList (the parent of
// RadioNodeList) implements IndexedGetter.
// https://github.com/servo/servo/issues/5875
//
// https://dom.spec.whatwg.org/#dom-nodelist-item
fn IndexedGetter(&self, index: u32) -> Option<DomRoot<Node>> {
self.node_list.IndexedGetter(index)
}
}
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