1 /* 2 * Copyright (C) 2005, 2008 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 #include "JoinTextNodesCommand.h" 28 29 #include "Text.h" 30 31 namespace WebCore { 32 33 JoinTextNodesCommand::JoinTextNodesCommand(PassRefPtr<Text> text1, PassRefPtr<Text> text2) 34 : SimpleEditCommand(text1->document()), m_text1(text1), m_text2(text2) 35 { 36 ASSERT(m_text1); 37 ASSERT(m_text2); 38 ASSERT(m_text1->nextSibling() == m_text2); 39 ASSERT(m_text1->length() > 0); 40 ASSERT(m_text2->length() > 0); 41 } 42 43 void JoinTextNodesCommand::doApply() 44 { 45 if (m_text1->nextSibling() != m_text2) 46 return; 47 48 Node* parent = m_text2->parentNode(); 49 if (!parent || !parent->isContentEditable()) 50 return; 51 52 ExceptionCode ec = 0; 53 m_text2->insertData(0, m_text1->data(), ec); 54 if (ec) 55 return; 56 57 m_text1->remove(ec); 58 } 59 60 void JoinTextNodesCommand::doUnapply() 61 { 62 if (m_text1->parentNode()) 63 return; 64 65 Node* parent = m_text2->parentNode(); 66 if (!parent || !parent->isContentEditable()) 67 return; 68 69 ExceptionCode ec = 0; 70 71 parent->insertBefore(m_text1.get(), m_text2.get(), ec); 72 if (ec) 73 return; 74 75 m_text2->deleteData(0, m_text1->length(), ec); 76 } 77 78 } // namespace WebCore 79
