diff options
Diffstat (limited to 'Userland/Libraries/LibWeb/HTML')
4 files changed, 70 insertions, 2 deletions
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.h b/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.h index f98e174a31..b043b0dc49 100644 --- a/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.h +++ b/Userland/Libraries/LibWeb/HTML/HTMLOptionElement.h @@ -1,5 +1,6 @@ /* * Copyright (c) 2020, the SerenityOS developers. + * Copyright (c) 2022, Andreas Kling <kling@serenityos.org> * * SPDX-License-Identifier: BSD-2-Clause */ @@ -16,6 +17,13 @@ public: HTMLOptionElement(DOM::Document&, DOM::QualifiedName); virtual ~HTMLOptionElement() override; + +private: + // https://html.spec.whatwg.org/multipage/form-elements.html#concept-option-selectedness + bool m_selected { false }; + + // https://html.spec.whatwg.org/multipage/form-elements.html#concept-option-dirtiness + bool m_dirty { false }; }; } diff --git a/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.cpp index 84329b7610..9853f60e90 100644 --- a/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.cpp +++ b/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.cpp @@ -1,11 +1,12 @@ /* * Copyright (c) 2020, the SerenityOS developers. - * Copyright (c) 2021, Andreas Kling <kling@serenityos.org> + * Copyright (c) 2021-2022, Andreas Kling <kling@serenityos.org> * * SPDX-License-Identifier: BSD-2-Clause */ #include <LibWeb/HTML/HTMLFormElement.h> +#include <LibWeb/HTML/HTMLOptGroupElement.h> #include <LibWeb/HTML/HTMLOptionElement.h> #include <LibWeb/HTML/HTMLSelectElement.h> @@ -33,4 +34,56 @@ RefPtr<HTMLOptionsCollection> const& HTMLSelectElement::options() return m_options; } +// https://html.spec.whatwg.org/multipage/form-elements.html#concept-select-option-list +NonnullRefPtrVector<HTMLOptionElement> HTMLSelectElement::list_of_options() const +{ + // The list of options for a select element consists of all the option element children of the select element, + // and all the option element children of all the optgroup element children of the select element, in tree order. + NonnullRefPtrVector<HTMLOptionElement> list; + + for_each_child_of_type<HTMLOptionElement>([&](HTMLOptionElement const& option_element) { + list.append(option_element); + }); + + for_each_child_of_type<HTMLOptGroupElement>([&](HTMLOptGroupElement const& optgroup_element) { + optgroup_element.for_each_child_of_type<HTMLOptionElement>([&](HTMLOptionElement const& option_element) { + list.append(option_element); + }); + }); + + return list; +} + +// https://html.spec.whatwg.org/multipage/form-elements.html#dom-select-selectedindex +int HTMLSelectElement::selected_index() const +{ + // The selectedIndex IDL attribute, on getting, must return the index of the first option element in the list of options + // in tree order that has its selectedness set to true, if any. If there isn't one, then it must return −1. + + int index = 0; + for (auto const& option_element : list_of_options()) { + if (option_element.selected()) + return index; + ++index; + } + return -1; +} + +void HTMLSelectElement::set_selected_index(int index) +{ + // On setting, the selectedIndex attribute must set the selectedness of all the option elements in the list of options to false, + // and then the option element in the list of options whose index is the given new value, + // if any, must have its selectedness set to true and its dirtiness set to true. + auto options = list_of_options(); + for (auto& option : options) + option.m_selected = false; + + if (index < 0 || index >= static_cast<int>(options.size())) + return; + + auto& selected_option = options[index]; + selected_option.m_selected = true; + selected_option.m_dirty = true; +} + } diff --git a/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.h b/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.h index b59ef5c2d6..1d0f3964dc 100644 --- a/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.h +++ b/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.h @@ -1,6 +1,6 @@ /* * Copyright (c) 2020, the SerenityOS developers. - * Copyright (c) 2021, Andreas Kling <kling@serenityos.org> + * Copyright (c) 2021-2022, Andreas Kling <kling@serenityos.org> * Copyright (c) 2022, Luke Wilde <lukew@serenityos.org> * * SPDX-License-Identifier: BSD-2-Clause @@ -23,6 +23,11 @@ public: RefPtr<HTMLOptionsCollection> const& options(); + int selected_index() const; + void set_selected_index(int); + + NonnullRefPtrVector<HTMLOptionElement> list_of_options() const; + // ^FormAssociatedElement // https://html.spec.whatwg.org/multipage/forms.html#category-listed virtual bool is_listed() const override { return true; } diff --git a/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.idl b/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.idl index 6a2a348242..e473f31070 100644 --- a/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.idl +++ b/Userland/Libraries/LibWeb/HTML/HTMLSelectElement.idl @@ -8,4 +8,6 @@ interface HTMLSelectElement : HTMLElement { [Reflect] attribute boolean required; [SameObject] readonly attribute HTMLOptionsCollection options; + attribute long selectedIndex; + }; |