/* | |
* 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 "JoinTextNodesCommand.h" | |
#include "Text.h" | |
namespace WebCore { | |
JoinTextNodesCommand::JoinTextNodesCommand(PassRefPtr<Text> text1, PassRefPtr<Text> text2) | |
: SimpleEditCommand(text1->document()), m_text1(text1), m_text2(text2) | |
{ | |
ASSERT(m_text1); | |
ASSERT(m_text2); | |
ASSERT(m_text1->nextSibling() == m_text2); | |
ASSERT(m_text1->length() > 0); | |
ASSERT(m_text2->length() > 0); | |
} | |
void JoinTextNodesCommand::doApply() | |
{ | |
if (m_text1->nextSibling() != m_text2) | |
return; | |
Node* parent = m_text2->parentNode(); | |
if (!parent || !parent->isContentEditable()) | |
return; | |
ExceptionCode ec = 0; | |
m_text2->insertData(0, m_text1->data(), ec); | |
if (ec) | |
return; | |
m_text1->remove(ec); | |
} | |
void JoinTextNodesCommand::doUnapply() | |
{ | |
if (m_text1->parentNode()) | |
return; | |
Node* parent = m_text2->parentNode(); | |
if (!parent || !parent->isContentEditable()) | |
return; | |
ExceptionCode ec = 0; | |
parent->insertBefore(m_text1.get(), m_text2.get(), ec); | |
if (ec) | |
return; | |
m_text2->deleteData(0, m_text1->length(), ec); | |
} | |
} // namespace WebCore |