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Diffstat (limited to 'Source/WebCore/html/HTMLOptGroupElement.cpp')
-rw-r--r-- | Source/WebCore/html/HTMLOptGroupElement.cpp | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/Source/WebCore/html/HTMLOptGroupElement.cpp b/Source/WebCore/html/HTMLOptGroupElement.cpp new file mode 100644 index 000000000..dfc6d8d19 --- /dev/null +++ b/Source/WebCore/html/HTMLOptGroupElement.cpp @@ -0,0 +1,145 @@ +/* + * Copyright (C) 1999 Lars Knoll (knoll@kde.org) + * (C) 1999 Antti Koivisto (koivisto@kde.org) + * (C) 2001 Dirk Mueller (mueller@kde.org) + * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 Apple Inc. All rights reserved. + * (C) 2006 Alexey Proskuryakov (ap@nypop.com) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#include "config.h" +#include "HTMLOptGroupElement.h" + +#include "CSSStyleSelector.h" +#include "Document.h" +#include "HTMLNames.h" +#include "HTMLSelectElement.h" +#include "RenderMenuList.h" +#include "NodeRenderStyle.h" +#include "NodeRenderingContext.h" +#include <wtf/StdLibExtras.h> + +namespace WebCore { + +using namespace HTMLNames; + +inline HTMLOptGroupElement::HTMLOptGroupElement(const QualifiedName& tagName, Document* document, HTMLFormElement* form) + : HTMLFormControlElement(tagName, document, form) +{ + ASSERT(hasTagName(optgroupTag)); +} + +PassRefPtr<HTMLOptGroupElement> HTMLOptGroupElement::create(const QualifiedName& tagName, Document* document, HTMLFormElement* form) +{ + return adoptRef(new HTMLOptGroupElement(tagName, document, form)); +} + +bool HTMLOptGroupElement::supportsFocus() const +{ + return HTMLElement::supportsFocus(); +} + +bool HTMLOptGroupElement::isFocusable() const +{ + // Optgroup elements do not have a renderer so we check the renderStyle instead. + return supportsFocus() && renderStyle() && renderStyle()->display() != NONE; +} + +const AtomicString& HTMLOptGroupElement::formControlType() const +{ + DEFINE_STATIC_LOCAL(const AtomicString, optgroup, ("optgroup")); + return optgroup; +} + +void HTMLOptGroupElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta) +{ + recalcSelectOptions(); + HTMLFormControlElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta); +} + +void HTMLOptGroupElement::parseMappedAttribute(Attribute* attr) +{ + HTMLFormControlElement::parseMappedAttribute(attr); + recalcSelectOptions(); +} + +void HTMLOptGroupElement::recalcSelectOptions() +{ + ContainerNode* select = parentNode(); + while (select && !select->hasTagName(selectTag)) + select = select->parentNode(); + if (select) + toHTMLSelectElement(select)->setRecalcListItems(); +} + +void HTMLOptGroupElement::attach() +{ + if (parentNode()->renderStyle()) + setRenderStyle(styleForRenderer()); + HTMLFormControlElement::attach(); +} + +void HTMLOptGroupElement::detach() +{ + m_style.clear(); + HTMLFormControlElement::detach(); +} + +void HTMLOptGroupElement::setRenderStyle(PassRefPtr<RenderStyle> newStyle) +{ + m_style = newStyle; +} + +RenderStyle* HTMLOptGroupElement::nonRendererRenderStyle() const +{ + return m_style.get(); +} + +String HTMLOptGroupElement::groupLabelText() const +{ + String itemText = document()->displayStringModifiedByEncoding(getAttribute(labelAttr)); + + // In WinIE, leading and trailing whitespace is ignored in options and optgroups. We match this behavior. + itemText = itemText.stripWhiteSpace(); + // We want to collapse our whitespace too. This will match other browsers. + itemText = itemText.simplifyWhiteSpace(); + + return itemText; +} + +HTMLSelectElement* HTMLOptGroupElement::ownerSelectElement() const +{ + ContainerNode* select = parentNode(); + while (select && !select->hasTagName(selectTag)) + select = select->parentNode(); + + if (!select) + return 0; + + return toHTMLSelectElement(select); +} + +void HTMLOptGroupElement::accessKeyAction(bool) +{ + HTMLSelectElement* select = ownerSelectElement(); + // send to the parent to bring focus to the list box + if (select && !select->focused()) + select->accessKeyAction(false); +} + +} // namespace |