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Implement HTMLTableCellElement::CellIndex

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Extracted from #6936
This commit is contained in:
Corey Farwell 2015-10-02 07:46:44 -04:00
parent ad94ef5a96
commit 899f1cab58
5 changed files with 29 additions and 28 deletions
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20
components/script/dom/htmltablecellelement.rs
View file

@ -5,7 +5,11 @@
use cssparser::RGBA;
use dom::attr::{Attr, AttrValue};
use dom::bindings::codegen::Bindings::HTMLTableCellElementBinding::HTMLTableCellElementMethods;
use dom::bindings::codegen::InheritTypes::{HTMLElementCast, HTMLTableCellElementDerived};
use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
use dom::bindings::codegen::InheritTypes::HTMLElementCast;
use dom::bindings::codegen::InheritTypes::HTMLTableCellElementDerived;
use dom::bindings::codegen::InheritTypes::HTMLTableRowElementDerived;
use dom::bindings::codegen::InheritTypes::NodeCast;
use dom::bindings::js::LayoutJS;
use dom::document::Document;
use dom::element::{AttributeMutation, ElementTypeId};
@ -78,6 +82,20 @@ impl HTMLTableCellElementMethods for HTMLTableCellElement {
// https://html.spec.whatwg.org/multipage/#dom-tdth-colspan
make_uint_setter!(SetColSpan, "colspan");
// https://html.spec.whatwg.org/multipage/#dom-tdth-cellindex
fn CellIndex(&self) -> i32 {
let self_node = NodeCast::from_ref(self);
let parent_children = match self_node.GetParentNode() {
Some(ref parent_node) if parent_node.is_htmltablerowelement() => parent_node.children(),
_ => return -1,
};
parent_children.filter(|c| c.is_htmltablecellelement())
.position(|c| c.r() == self_node)
.map(|p| p as i32).unwrap_or(-1)
}
}

2
components/script/dom/webidls/HTMLTableCellElement.webidl
View file

@ -9,7 +9,7 @@ interface HTMLTableCellElement : HTMLElement {
attribute unsigned long colSpan;
// attribute unsigned long rowSpan;
//[PutForwards=value] readonly attribute DOMSettableTokenList headers;
//readonly attribute long cellIndex;
readonly attribute long cellIndex;
// also has obsolete members
};