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 "SplitElementCommand.h"
28
29 #include "Element.h"
30 #include <wtf/Assertions.h>
31
32 namespace WebCore {
33
SplitElementCommand(PassRefPtr<Element> element,PassRefPtr<Node> atChild)34 SplitElementCommand::SplitElementCommand(PassRefPtr<Element> element, PassRefPtr<Node> atChild)
35 : SimpleEditCommand(element->document())
36 , m_element2(element)
37 , m_atChild(atChild)
38 {
39 ASSERT(m_element2);
40 ASSERT(m_atChild);
41 ASSERT(m_atChild->parentNode() == m_element2);
42 }
43
doApply()44 void SplitElementCommand::doApply()
45 {
46 RefPtr<Element> prefixElement = m_element2->cloneElementWithoutChildren();
47
48 if (m_atChild->parentNode() != m_element2)
49 return;
50
51 Vector<RefPtr<Node> > children;
52 for (Node* node = m_element2->firstChild(); node != m_atChild; node = node->nextSibling())
53 children.append(node);
54
55 ExceptionCode ec = 0;
56
57 Node* parent = m_element2->parentNode();
58 if (!parent)
59 return;
60 parent->insertBefore(prefixElement.get(), m_element2.get(), ec);
61 if (ec)
62 return;
63 m_element1 = prefixElement.release();
64
65 size_t size = children.size();
66 for (size_t i = 0; i < size; ++i)
67 m_element1->appendChild(children[i], ec);
68 }
69
doUnapply()70 void SplitElementCommand::doUnapply()
71 {
72 if (!m_element1)
73 return;
74
75 Vector<RefPtr<Node> > children;
76 for (Node* node = m_element1->firstChild(); node; node = node->nextSibling())
77 children.append(node);
78
79 RefPtr<Node> refChild = m_element2->firstChild();
80
81 ExceptionCode ec = 0;
82
83 size_t size = children.size();
84 for (size_t i = 0; i < size; ++i)
85 m_element2->insertBefore(children[i].get(), refChild.get(), ec);
86
87 m_element1->remove(ec);
88 m_element1 = 0;
89 }
90
91 } // namespace WebCore
92