/* | |
* Copyright (C) 2005, 2008 Apple Inc. All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions | |
* are met: | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright | |
* notice, this list of conditions and the following disclaimer in the | |
* documentation and/or other materials provided with the distribution. | |
* | |
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
*/ | |
#include "config.h" | |
#include "MergeIdenticalElementsCommand.h" | |
#include "Element.h" | |
namespace WebCore { | |
MergeIdenticalElementsCommand::MergeIdenticalElementsCommand(PassRefPtr<Element> first, PassRefPtr<Element> second) | |
: SimpleEditCommand(first->document()) | |
, m_element1(first) | |
, m_element2(second) | |
{ | |
ASSERT(m_element1); | |
ASSERT(m_element2); | |
ASSERT(m_element1->nextSibling() == m_element2); | |
} | |
void MergeIdenticalElementsCommand::doApply() | |
{ | |
if (m_element1->nextSibling() != m_element2 || !m_element1->isContentEditable() || !m_element2->isContentEditable()) | |
return; | |
m_atChild = m_element2->firstChild(); | |
ExceptionCode ec = 0; | |
Vector<RefPtr<Node> > children; | |
for (Node* child = m_element1->firstChild(); child; child = child->nextSibling()) | |
children.append(child); | |
size_t size = children.size(); | |
for (size_t i = 0; i < size; ++i) | |
m_element2->insertBefore(children[i].release(), m_atChild.get(), ec); | |
m_element1->remove(ec); | |
} | |
void MergeIdenticalElementsCommand::doUnapply() | |
{ | |
ASSERT(m_element1); | |
ASSERT(m_element2); | |
RefPtr<Node> atChild = m_atChild.release(); | |
Node* parent = m_element2->parent(); | |
if (!parent || !parent->isContentEditable()) | |
return; | |
ExceptionCode ec = 0; | |
parent->insertBefore(m_element1.get(), m_element2.get(), ec); | |
if (ec) | |
return; | |
Vector<RefPtr<Node> > children; | |
for (Node* child = m_element2->firstChild(); child && child != atChild; child = child->nextSibling()) | |
children.append(child); | |
size_t size = children.size(); | |
for (size_t i = 0; i < size; ++i) | |
m_element1->appendChild(children[i].release(), ec); | |
} | |
} // namespace WebCore |