2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2001 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved.
6 * (C) 2006 Alexey Proskuryakov (ap@nypop.com)
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB. If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
26 #include "core/html/HTMLFieldSetElement.h"
28 #include "HTMLNames.h"
29 #include "core/dom/ElementTraversal.h"
30 #include "core/html/HTMLCollection.h"
31 #include "core/html/HTMLLegendElement.h"
32 #include "core/html/HTMLObjectElement.h"
33 #include "core/rendering/RenderFieldset.h"
34 #include "wtf/StdLibExtras.h"
38 using namespace HTMLNames;
40 inline HTMLFieldSetElement::HTMLFieldSetElement(Document& document, HTMLFormElement* form)
41 : HTMLFormControlElement(fieldsetTag, document, form)
42 , m_documentVersion(0)
44 ScriptWrappable::init(this);
47 PassRefPtr<HTMLFieldSetElement> HTMLFieldSetElement::create(Document& document, HTMLFormElement* form)
49 return adoptRef(new HTMLFieldSetElement(document, form));
52 void HTMLFieldSetElement::invalidateDisabledStateUnder(Element& base)
54 for (Element* element = ElementTraversal::firstWithin(base); element; element = ElementTraversal::next(*element, &base)) {
55 if (element->isFormControlElement())
56 toHTMLFormControlElement(element)->ancestorDisabledStateWasChanged();
60 void HTMLFieldSetElement::disabledAttributeChanged()
62 // This element must be updated before the style of nodes in its subtree gets recalculated.
63 HTMLFormControlElement::disabledAttributeChanged();
64 invalidateDisabledStateUnder(*this);
67 void HTMLFieldSetElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
69 HTMLFormControlElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
70 for (Element* element = ElementTraversal::firstWithin(*this); element; element = ElementTraversal::nextSkippingChildren(*element, this)) {
71 if (element->hasTagName(legendTag))
72 invalidateDisabledStateUnder(*element);
76 bool HTMLFieldSetElement::supportsFocus() const
78 return HTMLElement::supportsFocus();
81 const AtomicString& HTMLFieldSetElement::formControlType() const
83 DEFINE_STATIC_LOCAL(const AtomicString, fieldset, ("fieldset", AtomicString::ConstructFromLiteral));
87 RenderObject* HTMLFieldSetElement::createRenderer(RenderStyle*)
89 return new RenderFieldset(this);
92 HTMLLegendElement* HTMLFieldSetElement::legend() const
94 for (Element* child = ElementTraversal::firstWithin(*this); child; child = ElementTraversal::nextSkippingChildren(*child, this)) {
95 if (child->hasTagName(legendTag))
96 return toHTMLLegendElement(child);
101 PassRefPtr<HTMLCollection> HTMLFieldSetElement::elements()
103 return ensureCachedHTMLCollection(FormControls);
106 void HTMLFieldSetElement::refreshElementsIfNeeded() const
108 uint64_t docVersion = document().domTreeVersion();
109 if (m_documentVersion == docVersion)
112 m_documentVersion = docVersion;
114 m_associatedElements.clear();
116 for (Element* element = ElementTraversal::firstWithin(*this); element; element = ElementTraversal::next(*element, this)) {
117 if (element->hasTagName(objectTag)) {
118 m_associatedElements.append(toHTMLObjectElement(element));
122 if (!element->isFormControlElement())
125 m_associatedElements.append(toHTMLFormControlElement(element));
129 const Vector<FormAssociatedElement*>& HTMLFieldSetElement::associatedElements() const
131 refreshElementsIfNeeded();
132 return m_associatedElements;