LibWeb: Implement HTMLTableCellElement.cellIndex

See:
 - http://wpt.live/html/semantics/tabular-data/attributes-common-to-td-and-th-elements/cellIndex.html
This commit is contained in:
Jamie Mansfield 2024-08-06 21:55:36 +01:00 committed by Tim Ledbetter
parent a58704296c
commit fa5800ebc5
Notes: github-actions[bot] 2024-08-06 23:54:34 +00:00
5 changed files with 50 additions and 1 deletions

View file

@ -0,0 +1,4 @@
lone td.cellIndex = -1
parented td.cellIndex = 0
lone th.cellIndex = -1
parented th.cellIndex = 0

View file

@ -0,0 +1,22 @@
<!DOCTYPE html>
<script src="../include.js"></script>
<script>
test(() => {
const testElements = ["td", "th"];
for (const elementName of testElements) {
// Test a <td> / <th> element with no parent.
{
const element = document.createElement(elementName);
println(`lone ${elementName}.cellIndex = ${element.cellIndex}`);
}
// Test a <td> / <th> element with a parent <tr> element>.
{
const tr = document.createElement("tr");
const element = tr.appendChild(document.createElement(elementName));
println(`parented ${elementName}.cellIndex = ${element.cellIndex}`);
}
}
});
</script>

View file

@ -1,5 +1,6 @@
/*
* Copyright (c) 2020-2022, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2024, Jamie Mansfield <jmansfield@cadixdev.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -13,6 +14,7 @@
#include <LibWeb/CSS/StyleValues/ImageStyleValue.h>
#include <LibWeb/CSS/StyleValues/LengthStyleValue.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/HTMLCollection.h>
#include <LibWeb/HTML/HTMLTableCellElement.h>
#include <LibWeb/HTML/HTMLTableElement.h>
#include <LibWeb/HTML/Numbers.h>
@ -150,6 +152,24 @@ WebIDL::ExceptionOr<void> HTMLTableCellElement::set_row_span(unsigned int value)
return set_attribute(HTML::AttributeNames::rowspan, MUST(String::number(value)));
}
// https://html.spec.whatwg.org/multipage/tables.html#dom-tdth-cellindex
WebIDL::Long HTMLTableCellElement::cell_index() const
{
// The cellIndex IDL attribute must, if the element has a parent tr element, return the index of the cell's
// element in the parent element's cells collection. If there is no such parent element, then the attribute
// must return 1.
auto const* parent = first_ancestor_of_type<HTMLTableRowElement>();
if (!parent)
return -1;
auto rows = parent->cells()->collect_matching_elements();
for (size_t i = 0; i < rows.size(); ++i) {
if (rows[i] == this)
return i;
}
return -1;
}
Optional<ARIA::Role> HTMLTableCellElement::default_role() const
{
// TODO: For td:

View file

@ -7,6 +7,7 @@
#pragma once
#include <LibWeb/HTML/HTMLElement.h>
#include <LibWeb/WebIDL/Types.h>
namespace Web::HTML {
@ -23,6 +24,8 @@ public:
WebIDL::ExceptionOr<void> set_col_span(unsigned);
WebIDL::ExceptionOr<void> set_row_span(unsigned);
WebIDL::Long cell_index() const;
virtual Optional<ARIA::Role> default_role() const override;
private:

View file

@ -9,7 +9,7 @@ interface HTMLTableCellElement : HTMLElement {
[CEReactions] attribute unsigned long colSpan;
[CEReactions] attribute unsigned long rowSpan;
[CEReactions, Reflect] attribute DOMString headers;
[FIXME] readonly attribute long cellIndex;
readonly attribute long cellIndex;
[FIXME, CEReactions] attribute DOMString scope; // only conforming for th elements
[CEReactions, Reflect] attribute DOMString abbr; // only conforming for th elements