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Diffstat (limited to 'WebCore/html/HTMLOptionElement.cpp')
| -rw-r--r-- | WebCore/html/HTMLOptionElement.cpp | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/WebCore/html/HTMLOptionElement.cpp b/WebCore/html/HTMLOptionElement.cpp new file mode 100644 index 0000000..887a4e5 --- /dev/null +++ b/WebCore/html/HTMLOptionElement.cpp @@ -0,0 +1,262 @@ +/* + * This file is part of the DOM implementation for KDE. + * + * 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 Apple Computer, Inc. + * (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 "HTMLOptionElement.h" + +#include "CSSStyleSelector.h" +#include "Document.h" +#include "ExceptionCode.h" +#include "HTMLNames.h" +#include "HTMLSelectElement.h" +#include "RenderMenuList.h" +#include "Text.h" +#include "NodeRenderStyle.h" +#include <wtf/Vector.h> + +namespace WebCore { + +using namespace HTMLNames; + +HTMLOptionElement::HTMLOptionElement(Document* doc, HTMLFormElement* f) + : HTMLFormControlElement(optionTag, doc, f) + , m_selected(false) + , m_style(0) +{ +} + +bool HTMLOptionElement::checkDTD(const Node* newChild) +{ + return newChild->isTextNode() || newChild->hasTagName(scriptTag); +} + +void HTMLOptionElement::attach() +{ + if (parentNode()->renderStyle()) + setRenderStyle(styleForRenderer()); + HTMLFormControlElement::attach(); +} + +void HTMLOptionElement::detach() +{ + m_style.clear(); + HTMLFormControlElement::detach(); +} + +bool HTMLOptionElement::isFocusable() const +{ + return HTMLElement::isFocusable(); +} + +const AtomicString& HTMLOptionElement::type() const +{ + static const AtomicString option("option"); + return option; +} + +String HTMLOptionElement::text() const +{ + String text; + + // WinIE does not use the label attribute, so as a quirk, we ignore it. + if (!document()->inCompatMode()) + text = getAttribute(labelAttr); + + if (text.isEmpty()) { + const Node* n = firstChild(); + while (n) { + if (n->nodeType() == TEXT_NODE || n->nodeType() == CDATA_SECTION_NODE) + text += n->nodeValue(); + // skip script content + if (n->isElementNode() && n->hasTagName(HTMLNames::scriptTag)) + n = n->traverseNextSibling(this); + else + n = n->traverseNextNode(this); + } + } + + text.replace('\\', document()->backslashAsCurrencySymbol()); + // In WinIE, leading and trailing whitespace is ignored in options and optgroups. We match this behavior. + text = text.stripWhiteSpace(); + // We want to collapse our whitespace too. This will match other browsers. + text = text.simplifyWhiteSpace(); + + return text; +} + +void HTMLOptionElement::setText(const String &text, ExceptionCode& ec) +{ + // Handle the common special case where there's exactly 1 child node, and it's a text node. + Node* child = firstChild(); + if (child && child->isTextNode() && !child->nextSibling()) { + static_cast<Text *>(child)->setData(text, ec); + return; + } + + removeChildren(); + appendChild(new Text(document(), text), ec); +} + +void HTMLOptionElement::accessKeyAction(bool sendToAnyElement) +{ + HTMLSelectElement* select = ownerSelectElement(); + if (select) + select->accessKeySetSelectedIndex(index()); +} + +int HTMLOptionElement::index() const +{ + // Let's do this dynamically. Might be a bit slow, but we're sure + // we won't forget to update a member variable in some cases... + HTMLSelectElement* select = ownerSelectElement(); + if (select) { + const Vector<HTMLElement*>& items = select->listItems(); + int l = items.size(); + int optionIndex = 0; + for(int i = 0; i < l; i++) { + if (items[i]->hasLocalName(optionTag)) { + if (static_cast<HTMLOptionElement*>(items[i]) == this) + return optionIndex; + optionIndex++; + } + } + } + return 0; +} + +void HTMLOptionElement::parseMappedAttribute(MappedAttribute *attr) +{ + if (attr->name() == selectedAttr) + m_selected = (!attr->isNull()); + else if (attr->name() == valueAttr) + m_value = attr->value(); + else + HTMLFormControlElement::parseMappedAttribute(attr); +} + +String HTMLOptionElement::value() const +{ + if ( !m_value.isNull() ) + return m_value; + // Use the text if the value wasn't set. + return text().stripWhiteSpace(); +} + +void HTMLOptionElement::setValue(const String& value) +{ + setAttribute(valueAttr, value); +} + +void HTMLOptionElement::setSelected(bool selected) +{ + if (m_selected == selected) + return; + if (HTMLSelectElement* select = ownerSelectElement()) + select->setSelectedIndex(selected ? index() : -1, false); + m_selected = selected; +} + +void HTMLOptionElement::setSelectedState(bool selected) +{ + if (m_selected == selected) + return; + m_selected = selected; + setChanged(); +} + +void HTMLOptionElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta) +{ + HTMLSelectElement* select = ownerSelectElement(); + if (select) + select->childrenChanged(changedByParser); + HTMLFormControlElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta); +} + +HTMLSelectElement* HTMLOptionElement::ownerSelectElement() const +{ + Node* select = parentNode(); + while (select && !select->hasTagName(selectTag)) + select = select->parentNode(); + + if (!select) + return 0; + + return static_cast<HTMLSelectElement*>(select); +} + +bool HTMLOptionElement::defaultSelected() const +{ + return !getAttribute(selectedAttr).isNull(); +} + +void HTMLOptionElement::setDefaultSelected(bool b) +{ + setAttribute(selectedAttr, b ? "" : 0); +} + +String HTMLOptionElement::label() const +{ + return getAttribute(labelAttr); +} + +void HTMLOptionElement::setLabel(const String& value) +{ + setAttribute(labelAttr, value); +} + +void HTMLOptionElement::setRenderStyle(PassRefPtr<RenderStyle> newStyle) +{ + m_style = newStyle; +} + +RenderStyle* HTMLOptionElement::nonRendererRenderStyle() const +{ + return m_style.get(); +} + +String HTMLOptionElement::optionText() +{ + if (parentNode() && parentNode()->hasTagName(optgroupTag)) + return " " + text(); + + return text(); +} + +bool HTMLOptionElement::disabled() const +{ + return HTMLFormControlElement::disabled() || (parentNode() && static_cast<HTMLFormControlElement*>(parentNode())->disabled()); +} + +void HTMLOptionElement::insertedIntoDocument() +{ + HTMLSelectElement* select; + if (selected() && (select = ownerSelectElement())) + select->scrollToSelection(); + + HTMLFormControlElement::insertedIntoDocument(); +} + +} // namespace |