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/*
* Copyright (c) 2020, the SerenityOS developers.
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/DOM/ElementFactory.h>
#include <LibWeb/DOM/HTMLCollection.h>
#include <LibWeb/HTML/HTMLTableRowElement.h>
#include <LibWeb/HTML/HTMLTableSectionElement.h>
#include <LibWeb/Namespace.h>
namespace Web::HTML {
HTMLTableSectionElement::HTMLTableSectionElement(DOM::Document& document, DOM::QualifiedName qualified_name)
: HTMLElement(document, move(qualified_name))
{
}
HTMLTableSectionElement::~HTMLTableSectionElement() = default;
JS::ThrowCompletionOr<void> HTMLTableSectionElement::initialize(JS::Realm& realm)
{
MUST_OR_THROW_OOM(Base::initialize(realm));
set_prototype(&Bindings::ensure_web_prototype<Bindings::HTMLTableSectionElementPrototype>(realm, "HTMLTableSectionElement"));
return {};
}
void HTMLTableSectionElement::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_rows);
}
// https://html.spec.whatwg.org/multipage/tables.html#dom-tbody-rows
JS::NonnullGCPtr<DOM::HTMLCollection> HTMLTableSectionElement::rows() const
{
// The rows attribute must return an HTMLCollection rooted at this element,
// whose filter matches only tr elements that are children of this element.
if (!m_rows) {
m_rows = DOM::HTMLCollection::create(const_cast<HTMLTableSectionElement&>(*this), [this](Element const& element) {
return element.parent() == this
&& is<HTMLTableRowElement>(element);
}).release_value_but_fixme_should_propagate_errors();
}
return *m_rows;
}
// https://html.spec.whatwg.org/multipage/tables.html#dom-tbody-insertrow
WebIDL::ExceptionOr<JS::NonnullGCPtr<HTMLTableRowElement>> HTMLTableSectionElement::insert_row(long index)
{
auto rows_collection = rows();
auto rows_collection_size = static_cast<long>(rows_collection->length());
// 1. If index is less than −1 or greater than the number of elements in the rows collection, throw an "IndexSizeError" DOMException.
if (index < -1 || index > rows_collection_size)
return WebIDL::IndexSizeError::create(realm(), "Index is negative or greater than the number of rows");
// 2. Let table row be the result of creating an element given this element's node document, tr, and the HTML namespace.
auto& table_row = static_cast<HTMLTableRowElement&>(*TRY(DOM::create_element(document(), TagNames::tr, Namespace::HTML)));
// 3. If index is −1 or equal to the number of items in the rows collection, then append table row to this element.
if (index == -1 || index == rows_collection_size)
TRY(append_child(table_row));
// 4. Otherwise, insert table row as a child of this element, immediately before the index-th tr element in the rows collection.
else
table_row.insert_before(*this, rows_collection->item(index));
// 5. Return table row.
return JS::NonnullGCPtr(table_row);
}
// https://html.spec.whatwg.org/multipage/tables.html#dom-tbody-deleterow
WebIDL::ExceptionOr<void> HTMLTableSectionElement::delete_row(long index)
{
auto rows_collection = rows();
auto rows_collection_size = static_cast<long>(rows_collection->length());
// 1. If index is less than −1 or greater than or equal to the number of elements in the rows collection, then throw an "IndexSizeError" DOMException.
if (index < -1 || index >= rows_collection_size)
return WebIDL::IndexSizeError::create(realm(), "Index is negative or greater than or equal to the number of rows");
// 2. If index is −1, then remove the last element in the rows collection from this element, or do nothing if the rows collection is empty.
if (index == -1) {
if (rows_collection_size > 0)
rows_collection->item(rows_collection_size - 1)->remove();
}
// 3. Otherwise, remove the indexth element in the rows collection from this element.
else {
rows_collection->item(index)->remove();
}
return {};
}
}
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