48 lines
1.9 KiB
C++
48 lines
1.9 KiB
C++
/*
|
|
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibWeb/HTML/FormAssociatedElement.h>
|
|
#include <LibWeb/HTML/HTMLButtonElement.h>
|
|
#include <LibWeb/HTML/HTMLFieldSetElement.h>
|
|
#include <LibWeb/HTML/HTMLFormElement.h>
|
|
#include <LibWeb/HTML/HTMLInputElement.h>
|
|
#include <LibWeb/HTML/HTMLLegendElement.h>
|
|
#include <LibWeb/HTML/HTMLSelectElement.h>
|
|
#include <LibWeb/HTML/HTMLTextAreaElement.h>
|
|
|
|
namespace Web::HTML {
|
|
|
|
void FormAssociatedElement::set_form(HTMLFormElement* form)
|
|
{
|
|
if (m_form)
|
|
m_form->remove_associated_element({}, *this);
|
|
m_form = form;
|
|
if (m_form)
|
|
m_form->add_associated_element({}, *this);
|
|
}
|
|
|
|
bool FormAssociatedElement::enabled() const
|
|
{
|
|
// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#concept-fe-disabled
|
|
|
|
// A form control is disabled if any of the following conditions are met:
|
|
// 1. The element is a button, input, select, textarea, or form-associated custom element, and the disabled attribute is specified on this element (regardless of its value).
|
|
// FIXME: This doesn't check for form-associated custom elements.
|
|
if ((is<HTMLButtonElement>(this) || is<HTMLInputElement>(this) || is<HTMLSelectElement>(this) || is<HTMLTextAreaElement>(this)) && has_attribute(HTML::AttributeNames::disabled))
|
|
return false;
|
|
|
|
// 2. The element is a descendant of a fieldset element whose disabled attribute is specified, and is not a descendant of that fieldset element's first legend element child, if any.
|
|
auto* fieldset_ancestor = first_ancestor_of_type<HTMLFieldSetElement>();
|
|
if (fieldset_ancestor && fieldset_ancestor->has_attribute(HTML::AttributeNames::disabled)) {
|
|
auto* first_legend_element_child = fieldset_ancestor->first_child_of_type<HTMLLegendElement>();
|
|
if (!first_legend_element_child || !is_descendant_of(*first_legend_element_child))
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
}
|