1 /*
2 * Copyright (c) 2009 Google 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 are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "ReplaceNodeWithSpanCommand.h"
33
34 #include "htmlediting.h"
35 #include "HTMLElement.h"
36 #include "HTMLNames.h"
37 #include "NamedAttrMap.h"
38
39 #include <wtf/Assertions.h>
40
41 namespace WebCore {
42
43 using namespace HTMLNames;
44
ReplaceNodeWithSpanCommand(PassRefPtr<Node> node)45 ReplaceNodeWithSpanCommand::ReplaceNodeWithSpanCommand(PassRefPtr<Node> node)
46 : CompositeEditCommand(node->document())
47 , m_node(node)
48 {
49 ASSERT(m_node);
50 }
51
swapInNodePreservingAttributesAndChildren(Node * newNode,Node * nodeToReplace)52 static void swapInNodePreservingAttributesAndChildren(Node* newNode, Node* nodeToReplace)
53 {
54 ASSERT(nodeToReplace->inDocument());
55 ExceptionCode ec = 0;
56 Node* parentNode = nodeToReplace->parentNode();
57 parentNode->insertBefore(newNode, nodeToReplace, ec);
58 ASSERT(!ec);
59
60 for (Node* child = nodeToReplace->firstChild(); child; child = child->nextSibling()) {
61 newNode->appendChild(child, ec);
62 ASSERT(!ec);
63 }
64
65 newNode->attributes()->setAttributes(*nodeToReplace->attributes());
66
67 parentNode->removeChild(nodeToReplace, ec);
68 ASSERT(!ec);
69 }
70
doApply()71 void ReplaceNodeWithSpanCommand::doApply()
72 {
73 if (!m_node->inDocument())
74 return;
75 if (!m_spanElement)
76 m_spanElement = createHTMLElement(m_node->document(), spanTag);
77 swapInNodePreservingAttributesAndChildren(m_spanElement.get(), m_node.get());
78 }
79
doUnapply()80 void ReplaceNodeWithSpanCommand::doUnapply()
81 {
82 if (!m_spanElement->inDocument())
83 return;
84 swapInNodePreservingAttributesAndChildren(m_node.get(), m_spanElement.get());
85 }
86
87 } // namespace WebCore
88