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/*
* Copyright (C) 1997 Martin Jones (mjones@kde.org)
* (C) 1997 Torben Weis (weis@kde.org)
* (C) 1998 Waldo Bastian (bastian@kde.org)
* (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2008, 2010, 2011 Apple Inc. All rights reserved.
*
* 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 "HTMLTableElement.h"
#include "Attribute.h"
#include "CSSImageValue.h"
#include "CSSPropertyNames.h"
#include "CSSStyleSheet.h"
#include "CSSValueKeywords.h"
#include "ExceptionCode.h"
#include "HTMLNames.h"
#include "HTMLParserIdioms.h"
#include "HTMLTableCaptionElement.h"
#include "HTMLTableRowElement.h"
#include "HTMLTableRowsCollection.h"
#include "HTMLTableSectionElement.h"
#include "RenderTable.h"
#include "Text.h"
namespace WebCore {
using namespace HTMLNames;
HTMLTableElement::HTMLTableElement(const QualifiedName& tagName, Document* document)
: HTMLElement(tagName, document)
, m_borderAttr(false)
, m_borderColorAttr(false)
, m_frameAttr(false)
, m_rulesAttr(UnsetRules)
, m_padding(1)
{
ASSERT(hasTagName(tableTag));
}
PassRefPtr<HTMLTableElement> HTMLTableElement::create(Document* document)
{
return adoptRef(new HTMLTableElement(tableTag, document));
}
PassRefPtr<HTMLTableElement> HTMLTableElement::create(const QualifiedName& tagName, Document* document)
{
return adoptRef(new HTMLTableElement(tagName, document));
}
HTMLTableCaptionElement* HTMLTableElement::caption() const
{
for (Node* child = firstChild(); child; child = child->nextSibling()) {
if (child->hasTagName(captionTag))
return static_cast<HTMLTableCaptionElement*>(child);
}
return 0;
}
void HTMLTableElement::setCaption(PassRefPtr<HTMLTableCaptionElement> newCaption, ExceptionCode& ec)
{
deleteCaption();
insertBefore(newCaption, firstChild(), ec);
}
HTMLTableSectionElement* HTMLTableElement::tHead() const
{
for (Node* child = firstChild(); child; child = child->nextSibling()) {
if (child->hasTagName(theadTag))
return static_cast<HTMLTableSectionElement*>(child);
}
return 0;
}
void HTMLTableElement::setTHead(PassRefPtr<HTMLTableSectionElement> newHead, ExceptionCode& ec)
{
deleteTHead();
Node* child;
for (child = firstChild(); child; child = child->nextSibling())
if (child->isElementNode() && !child->hasTagName(captionTag) && !child->hasTagName(colgroupTag))
break;
insertBefore(newHead, child, ec);
}
HTMLTableSectionElement* HTMLTableElement::tFoot() const
{
for (Node* child = firstChild(); child; child = child->nextSibling()) {
if (child->hasTagName(tfootTag))
return static_cast<HTMLTableSectionElement*>(child);
}
return 0;
}
void HTMLTableElement::setTFoot(PassRefPtr<HTMLTableSectionElement> newFoot, ExceptionCode& ec)
{
deleteTFoot();
Node* child;
for (child = firstChild(); child; child = child->nextSibling())
if (child->isElementNode() && !child->hasTagName(captionTag) && !child->hasTagName(colgroupTag) && !child->hasTagName(theadTag))
break;
insertBefore(newFoot, child, ec);
}
PassRefPtr<HTMLElement> HTMLTableElement::createTHead()
{
if (HTMLTableSectionElement* existingHead = tHead())
return existingHead;
RefPtr<HTMLTableSectionElement> head = HTMLTableSectionElement::create(theadTag, document());
ExceptionCode ec;
setTHead(head, ec);
return head.release();
}
void HTMLTableElement::deleteTHead()
{
ExceptionCode ec;
removeChild(tHead(), ec);
}
PassRefPtr<HTMLElement> HTMLTableElement::createTFoot()
{
if (HTMLTableSectionElement* existingFoot = tFoot())
return existingFoot;
RefPtr<HTMLTableSectionElement> foot = HTMLTableSectionElement::create(tfootTag, document());
ExceptionCode ec;
setTFoot(foot, ec);
return foot.release();
}
void HTMLTableElement::deleteTFoot()
{
ExceptionCode ec;
removeChild(tFoot(), ec);
}
PassRefPtr<HTMLElement> HTMLTableElement::createCaption()
{
if (HTMLTableCaptionElement* existingCaption = caption())
return existingCaption;
RefPtr<HTMLTableCaptionElement> caption = HTMLTableCaptionElement::create(captionTag, document());
ExceptionCode ec;
setCaption(caption, ec);
return caption.release();
}
void HTMLTableElement::deleteCaption()
{
ExceptionCode ec;
removeChild(caption(), ec);
}
HTMLTableSectionElement* HTMLTableElement::lastBody() const
{
for (Node* child = lastChild(); child; child = child->previousSibling()) {
if (child->hasTagName(tbodyTag))
return static_cast<HTMLTableSectionElement*>(child);
}
return 0;
}
PassRefPtr<HTMLElement> HTMLTableElement::insertRow(int index, ExceptionCode& ec)
{
if (index < -1) {
ec = INDEX_SIZE_ERR;
return 0;
}
HTMLTableRowElement* lastRow = 0;
HTMLTableRowElement* row = 0;
if (index == -1)
lastRow = HTMLTableRowsCollection::lastRow(this);
else {
for (int i = 0; i <= index; ++i) {
row = HTMLTableRowsCollection::rowAfter(this, lastRow);
if (!row) {
if (i != index) {
ec = INDEX_SIZE_ERR;
return 0;
}
break;
}
lastRow = row;
}
}
ContainerNode* parent;
if (lastRow)
parent = row ? row->parentNode() : lastRow->parentNode();
else {
parent = lastBody();
if (!parent) {
RefPtr<HTMLTableSectionElement> newBody = HTMLTableSectionElement::create(tbodyTag, document());
RefPtr<HTMLTableRowElement> newRow = HTMLTableRowElement::create(document());
newBody->appendChild(newRow, ec);
appendChild(newBody.release(), ec);
return newRow.release();
}
}
RefPtr<HTMLTableRowElement> newRow = HTMLTableRowElement::create(document());
parent->insertBefore(newRow, row, ec);
return newRow.release();
}
void HTMLTableElement::deleteRow(int index, ExceptionCode& ec)
{
HTMLTableRowElement* row = 0;
if (index == -1)
row = HTMLTableRowsCollection::lastRow(this);
else {
for (int i = 0; i <= index; ++i) {
row = HTMLTableRowsCollection::rowAfter(this, row);
if (!row)
break;
}
}
if (!row) {
ec = INDEX_SIZE_ERR;
return;
}
row->remove(ec);
}
static inline bool isTableCellAncestor(Node* n)
{
return n->hasTagName(theadTag) || n->hasTagName(tbodyTag) ||
n->hasTagName(tfootTag) || n->hasTagName(trTag) ||
n->hasTagName(thTag);
}
static bool setTableCellsChanged(Node* n)
{
ASSERT(n);
bool cellChanged = false;
if (n->hasTagName(tdTag))
cellChanged = true;
else if (isTableCellAncestor(n)) {
for (Node* child = n->firstChild(); child; child = child->nextSibling())
cellChanged |= setTableCellsChanged(child);
}
if (cellChanged)
n->setNeedsStyleRecalc();
return cellChanged;
}
static bool getBordersFromFrameAttributeValue(const AtomicString& value, bool& borderTop, bool& borderRight, bool& borderBottom, bool& borderLeft)
{
borderTop = false;
borderRight = false;
borderBottom = false;
borderLeft = false;
if (equalIgnoringCase(value, "above"))
borderTop = true;
else if (equalIgnoringCase(value, "below"))
borderBottom = true;
else if (equalIgnoringCase(value, "hsides"))
borderTop = borderBottom = true;
else if (equalIgnoringCase(value, "vsides"))
borderLeft = borderRight = true;
else if (equalIgnoringCase(value, "lhs"))
borderLeft = true;
else if (equalIgnoringCase(value, "rhs"))
borderRight = true;
else if (equalIgnoringCase(value, "box") || equalIgnoringCase(value, "border"))
borderTop = borderBottom = borderLeft = borderRight = true;
else if (!equalIgnoringCase(value, "void"))
return false;
return true;
}
void HTMLTableElement::collectStyleForAttribute(Attribute* attr, StylePropertySet* style)
{
if (attr->name() == widthAttr)
addHTMLLengthToStyle(style, CSSPropertyWidth, attr->value());
else if (attr->name() == heightAttr)
addHTMLLengthToStyle(style, CSSPropertyHeight, attr->value());
else if (attr->name() == borderAttr) {
int border = attr->isEmpty() ? 1 : attr->value().toInt();
addHTMLLengthToStyle(style, CSSPropertyBorderWidth, String::number(border)); // FIXME: Pass as integer.
} else if (attr->name() == bordercolorAttr) {
if (!attr->isEmpty())
addHTMLColorToStyle(style, CSSPropertyBorderColor, attr->value());
} else if (attr->name() == bgcolorAttr)
addHTMLColorToStyle(style, CSSPropertyBackgroundColor, attr->value());
else if (attr->name() == backgroundAttr) {
String url = stripLeadingAndTrailingHTMLSpaces(attr->value());
if (!url.isEmpty())
style->setProperty(CSSProperty(CSSPropertyBackgroundImage, CSSImageValue::create(document()->completeURL(url).string())));
} else if (attr->name() == valignAttr) {
if (!attr->isEmpty())
style->setProperty(CSSPropertyVerticalAlign, attr->value());
} else if (attr->name() == cellspacingAttr) {
if (!attr->isEmpty())
addHTMLLengthToStyle(style, CSSPropertyBorderSpacing, attr->value());
} else if (attr->name() == vspaceAttr) {
addHTMLLengthToStyle(style, CSSPropertyMarginTop, attr->value());
addHTMLLengthToStyle(style, CSSPropertyMarginBottom, attr->value());
} else if (attr->name() == hspaceAttr) {
addHTMLLengthToStyle(style, CSSPropertyMarginLeft, attr->value());
addHTMLLengthToStyle(style, CSSPropertyMarginRight, attr->value());
} else if (attr->name() == alignAttr) {
if (!attr->value().isEmpty()) {
if (equalIgnoringCase(attr->value(), "center")) {
style->setProperty(CSSPropertyWebkitMarginStart, CSSValueAuto);
style->setProperty(CSSPropertyWebkitMarginEnd, CSSValueAuto);
} else
style->setProperty(CSSPropertyFloat, attr->value());
}
} else if (attr->name() == rulesAttr) {
// The presence of a valid rules attribute causes border collapsing to be enabled.
if (m_rulesAttr != UnsetRules)
style->setProperty(CSSPropertyBorderCollapse, CSSValueCollapse);
} else if (attr->name() == frameAttr) {
bool borderTop;
bool borderRight;
bool borderBottom;
bool borderLeft;
if (getBordersFromFrameAttributeValue(attr->value(), borderTop, borderRight, borderBottom, borderLeft)) {
style->setProperty(CSSPropertyBorderTopWidth, CSSValueThin);
style->setProperty(CSSPropertyBorderBottomWidth, CSSValueThin);
style->setProperty(CSSPropertyBorderLeftWidth, CSSValueThin);
style->setProperty(CSSPropertyBorderRightWidth, CSSValueThin);
style->setProperty(CSSPropertyBorderTopStyle, borderTop ? CSSValueSolid : CSSValueHidden);
style->setProperty(CSSPropertyBorderBottomStyle, borderBottom ? CSSValueSolid : CSSValueHidden);
style->setProperty(CSSPropertyBorderLeftStyle, borderLeft ? CSSValueSolid : CSSValueHidden);
style->setProperty(CSSPropertyBorderRightStyle, borderRight ? CSSValueSolid : CSSValueHidden);
}
} else
HTMLElement::collectStyleForAttribute(attr, style);
}
void HTMLTableElement::parseAttribute(Attribute* attr)
{
CellBorders bordersBefore = cellBorders();
unsigned short oldPadding = m_padding;
if (attr->name() == widthAttr || attr->name() == heightAttr || attr->name() == bgcolorAttr || attr->name() == backgroundAttr || attr->name() == valignAttr || attr->name() == vspaceAttr || attr->name() == hspaceAttr || attr->name() == alignAttr || attr->name() == cellspacingAttr)
setNeedsAttributeStyleUpdate();
else if (attr->name() == borderAttr) {
// FIXME: This attribute is a mess.
m_borderAttr = true;
if (!attr->isNull()) {
int border = attr->isEmpty() ? 1 : attr->value().toInt();
m_borderAttr = border;
}
setNeedsAttributeStyleUpdate();
} else if (attr->name() == bordercolorAttr) {
m_borderColorAttr = !attr->isEmpty();
setNeedsAttributeStyleUpdate();
} else if (attr->name() == frameAttr) {
// FIXME: This attribute is a mess.
bool borderTop;
bool borderRight;
bool borderBottom;
bool borderLeft;
m_frameAttr = getBordersFromFrameAttributeValue(attr->value(), borderTop, borderRight, borderBottom, borderLeft);
setNeedsAttributeStyleUpdate();
} else if (attr->name() == rulesAttr) {
m_rulesAttr = UnsetRules;
if (equalIgnoringCase(attr->value(), "none"))
m_rulesAttr = NoneRules;
else if (equalIgnoringCase(attr->value(), "groups"))
m_rulesAttr = GroupsRules;
else if (equalIgnoringCase(attr->value(), "rows"))
m_rulesAttr = RowsRules;
if (equalIgnoringCase(attr->value(), "cols"))
m_rulesAttr = ColsRules;
if (equalIgnoringCase(attr->value(), "all"))
m_rulesAttr = AllRules;
setNeedsAttributeStyleUpdate();
} else if (attr->name() == cellpaddingAttr) {
if (!attr->value().isEmpty())
m_padding = max(0, attr->value().toInt());
else
m_padding = 1;
} else if (attr->name() == colsAttr) {
// ###
} else
HTMLElement::parseAttribute(attr);
if (bordersBefore != cellBorders() || oldPadding != m_padding) {
m_sharedCellStyle = 0;
bool cellChanged = false;
for (Node* child = firstChild(); child; child = child->nextSibling())
cellChanged |= setTableCellsChanged(child);
if (cellChanged)
setNeedsStyleRecalc();
}
}
static StylePropertySet* leakBorderStyle(int value)
{
RefPtr<StylePropertySet> style = StylePropertySet::create();
style->setProperty(CSSPropertyBorderTopStyle, value);
style->setProperty(CSSPropertyBorderBottomStyle, value);
style->setProperty(CSSPropertyBorderLeftStyle, value);
style->setProperty(CSSPropertyBorderRightStyle, value);
return style.release().leakRef();
}
StylePropertySet* HTMLTableElement::additionalAttributeStyle()
{
if ((!m_borderAttr && !m_borderColorAttr) || m_frameAttr)
return 0;
if (m_borderColorAttr) {
static StylePropertySet* solidBorderStyle = leakBorderStyle(CSSValueSolid);
return solidBorderStyle;
}
static StylePropertySet* outsetBorderStyle = leakBorderStyle(CSSValueOutset);
return outsetBorderStyle;
}
HTMLTableElement::CellBorders HTMLTableElement::cellBorders() const
{
switch (m_rulesAttr) {
case NoneRules:
case GroupsRules:
return NoBorders;
case AllRules:
return SolidBorders;
case ColsRules:
return SolidBordersColsOnly;
case RowsRules:
return SolidBordersRowsOnly;
case UnsetRules:
if (!m_borderAttr)
return NoBorders;
if (m_borderColorAttr)
return SolidBorders;
return InsetBorders;
}
ASSERT_NOT_REACHED();
return NoBorders;
}
PassRefPtr<StylePropertySet> HTMLTableElement::createSharedCellStyle()
{
RefPtr<StylePropertySet> style = StylePropertySet::create();
switch (cellBorders()) {
case SolidBordersColsOnly:
style->setProperty(CSSPropertyBorderLeftWidth, CSSValueThin);
style->setProperty(CSSPropertyBorderRightWidth, CSSValueThin);
style->setProperty(CSSPropertyBorderLeftStyle, CSSValueSolid);
style->setProperty(CSSPropertyBorderRightStyle, CSSValueSolid);
style->setProperty(CSSPropertyBorderColor, "inherit");
break;
case SolidBordersRowsOnly:
style->setProperty(CSSPropertyBorderTopWidth, CSSValueThin);
style->setProperty(CSSPropertyBorderBottomWidth, CSSValueThin);
style->setProperty(CSSPropertyBorderTopStyle, CSSValueSolid);
style->setProperty(CSSPropertyBorderBottomStyle, CSSValueSolid);
style->setProperty(CSSPropertyBorderColor, "inherit");
break;
case SolidBorders:
style->setProperty(CSSPropertyBorderWidth, "1px");
style->setProperty(CSSPropertyBorderTopStyle, CSSValueSolid);
style->setProperty(CSSPropertyBorderBottomStyle, CSSValueSolid);
style->setProperty(CSSPropertyBorderLeftStyle, CSSValueSolid);
style->setProperty(CSSPropertyBorderRightStyle, CSSValueSolid);
style->setProperty(CSSPropertyBorderColor, "inherit");
break;
case InsetBorders:
style->setProperty(CSSPropertyBorderWidth, "1px");
style->setProperty(CSSPropertyBorderTopStyle, CSSValueInset);
style->setProperty(CSSPropertyBorderBottomStyle, CSSValueInset);
style->setProperty(CSSPropertyBorderLeftStyle, CSSValueInset);
style->setProperty(CSSPropertyBorderRightStyle, CSSValueInset);
style->setProperty(CSSPropertyBorderColor, "inherit");
break;
case NoBorders:
style->setProperty(CSSPropertyBorderWidth, "0");
break;
}
if (m_padding) {
String value = String::number(m_padding) + "px";
style->setProperty(CSSPropertyPaddingTop, value);
style->setProperty(CSSPropertyPaddingBottom, value);
style->setProperty(CSSPropertyPaddingLeft, value);
style->setProperty(CSSPropertyPaddingRight, value);
}
return style.release();
}
StylePropertySet* HTMLTableElement::additionalCellStyle()
{
if (!m_sharedCellStyle)
m_sharedCellStyle = createSharedCellStyle();
return m_sharedCellStyle.get();
}
static StylePropertySet* leakGroupBorderStyle(int rows)
{
RefPtr<StylePropertySet> style = StylePropertySet::create();
if (rows) {
style->setProperty(CSSPropertyBorderTopWidth, CSSValueThin);
style->setProperty(CSSPropertyBorderBottomWidth, CSSValueThin);
style->setProperty(CSSPropertyBorderTopStyle, CSSValueSolid);
style->setProperty(CSSPropertyBorderBottomStyle, CSSValueSolid);
} else {
style->setProperty(CSSPropertyBorderLeftWidth, CSSValueThin);
style->setProperty(CSSPropertyBorderRightWidth, CSSValueThin);
style->setProperty(CSSPropertyBorderLeftStyle, CSSValueSolid);
style->setProperty(CSSPropertyBorderRightStyle, CSSValueSolid);
}
return style.release().leakRef();
}
StylePropertySet* HTMLTableElement::additionalGroupStyle(bool rows)
{
if (m_rulesAttr != GroupsRules)
return 0;
if (rows) {
static StylePropertySet* rowBorderStyle = leakGroupBorderStyle(true);
return rowBorderStyle;
}
static StylePropertySet* columnBorderStyle = leakGroupBorderStyle(false);
return columnBorderStyle;
}
void HTMLTableElement::attach()
{
ASSERT(!attached());
HTMLElement::attach();
}
bool HTMLTableElement::isURLAttribute(Attribute *attr) const
{
return attr->name() == backgroundAttr || HTMLElement::isURLAttribute(attr);
}
HTMLCollection* HTMLTableElement::rows()
{
if (!m_rowsCollection)
m_rowsCollection = HTMLTableRowsCollection::create(this);
return m_rowsCollection.get();
}
HTMLCollection* HTMLTableElement::tBodies()
{
return ensureCachedHTMLCollection(TableTBodies);
}
String HTMLTableElement::rules() const
{
return getAttribute(rulesAttr);
}
String HTMLTableElement::summary() const
{
return getAttribute(summaryAttr);
}
void HTMLTableElement::addSubresourceAttributeURLs(ListHashSet<KURL>& urls) const
{
HTMLElement::addSubresourceAttributeURLs(urls);
addSubresourceURL(urls, document()->completeURL(getAttribute(backgroundAttr)));
}
}