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LibWeb: Implement HTMLTableCellElement.cellIndex

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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
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20
Userland/Libraries/LibWeb/HTML/HTMLTableCellElement.cpp
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@ -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: