/* * Copyright (C) 2005 Apple Computer, 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 "SplitTextNodeCommand.h" #include "Document.h" #include "Text.h" #include <wtf/Assertions.h> namespace WebCore { SplitTextNodeCommand::SplitTextNodeCommand(Document *document, Text *text, int offset) : EditCommand(document), m_text2(text), m_offset(offset) { ASSERT(m_text2); ASSERT(m_text2->length() > 0); } void SplitTextNodeCommand::doApply() { ASSERT(m_text2); ASSERT(m_offset > 0); ExceptionCode ec = 0; // EDIT FIXME: This should use better smarts for figuring out which portion // of the split to copy (based on their comparitive sizes). We should also // just use the DOM's splitText function. if (!m_text1) { // create only if needed. // if reapplying, this object will already exist. m_text1 = document()->createTextNode(m_text2->substringData(0, m_offset, ec)); ASSERT(ec == 0); ASSERT(m_text1); } document()->copyMarkers(m_text2.get(), 0, m_offset, m_text1.get(), 0); m_text2->deleteData(0, m_offset, ec); ASSERT(ec == 0); m_text2->parentNode()->insertBefore(m_text1.get(), m_text2.get(), ec); ASSERT(ec == 0); ASSERT(m_text2->previousSibling()->isTextNode()); ASSERT(m_text2->previousSibling() == m_text1); } void SplitTextNodeCommand::doUnapply() { ASSERT(m_text1); ASSERT(m_text2); ASSERT(m_text1->nextSibling() == m_text2); ExceptionCode ec = 0; m_text2->insertData(0, m_text1->data(), ec); ASSERT(ec == 0); document()->copyMarkers(m_text1.get(), 0, m_offset, m_text2.get(), 0); m_text2->parentNode()->removeChild(m_text1.get(), ec); ASSERT(ec == 0); m_offset = m_text1->length(); } } // namespace WebCore