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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, 2007, 2010 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 "core/html/HTMLTableRowElement.h"
#include "bindings/core/v8/ExceptionState.h"
#include "core/HTMLNames.h"
#include "core/dom/ElementTraversal.h"
#include "core/dom/ExceptionCode.h"
#include "core/dom/NodeListsNodeData.h"
#include "core/html/HTMLCollection.h"
#include "core/html/HTMLTableCellElement.h"
#include "core/html/HTMLTableElement.h"
#include "core/html/HTMLTableRowsCollection.h"
#include "core/html/HTMLTableSectionElement.h"
namespace blink {
using namespace HTMLNames;
inline HTMLTableRowElement::HTMLTableRowElement(Document& document)
: HTMLTablePartElement(trTag, document) {}
DEFINE_NODE_FACTORY(HTMLTableRowElement)
bool HTMLTableRowElement::hasLegalLinkAttribute(
const QualifiedName& name) const {
return name == backgroundAttr ||
HTMLTablePartElement::hasLegalLinkAttribute(name);
}
const QualifiedName& HTMLTableRowElement::subResourceAttributeName() const {
return backgroundAttr;
}
static int findIndexInRowCollection(const HTMLCollection& rows,
const HTMLTableRowElement& target) {
Element* candidate = rows.item(0);
for (int i = 0; candidate; i++, candidate = rows.item(i)) {
if (target == candidate)
return i;
}
return -1;
}
int HTMLTableRowElement::rowIndex() const {
ContainerNode* maybeTable = parentNode();
if (maybeTable && isHTMLTableSectionElement(maybeTable)) {
// Skip THEAD, TBODY and TFOOT.
maybeTable = maybeTable->parentNode();
}
if (!(maybeTable && isHTMLTableElement(maybeTable)))
return -1;
return findIndexInRowCollection(*toHTMLTableElement(maybeTable)->rows(),
*this);
}
int HTMLTableRowElement::sectionRowIndex() const {
ContainerNode* maybeTable = parentNode();
if (!maybeTable)
return -1;
HTMLCollection* rows = nullptr;
if (isHTMLTableSectionElement(maybeTable))
rows = toHTMLTableSectionElement(maybeTable)->rows();
else if (isHTMLTableElement(maybeTable))
rows = toHTMLTableElement(maybeTable)->rows();
if (!rows)
return -1;
return findIndexInRowCollection(*rows, *this);
}
HTMLElement* HTMLTableRowElement::insertCell(int index,
ExceptionState& exceptionState) {
HTMLCollection* children = cells();
int numCells = children ? children->length() : 0;
if (index < -1 || index > numCells) {
exceptionState.throwDOMException(
IndexSizeError, "The value provided (" + String::number(index) +
") is outside the range [-1, " +
String::number(numCells) + "].");
return nullptr;
}
HTMLTableCellElement* cell = HTMLTableCellElement::create(tdTag, document());
if (numCells == index || index == -1)
appendChild(cell, exceptionState);
else
insertBefore(cell, children->item(index), exceptionState);
return cell;
}
void HTMLTableRowElement::deleteCell(int index,
ExceptionState& exceptionState) {
HTMLCollection* children = cells();
int numCells = children ? children->length() : 0;
// 1. If index is less than −1 or greater than or equal to the number of
// elements in the cells collection, then throw "IndexSizeError".
if (index < -1 || index >= numCells) {
exceptionState.throwDOMException(
IndexSizeError, "The value provided (" + String::number(index) +
") is outside the range [0, " +
String::number(numCells) + ").");
return;
}
// 2. If index is −1, remove the last element in the cells collection
// from its parent, or do nothing if the cells collection is empty.
if (index == -1) {
if (numCells == 0)
return;
index = numCells - 1;
}
// 3. Remove the indexth element in the cells collection from its parent.
Element* cell = children->item(index);
HTMLElement::removeChild(cell, exceptionState);
}
HTMLCollection* HTMLTableRowElement::cells() {
return ensureCachedCollection<HTMLCollection>(TRCells);
}
} // namespace blink
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