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| 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 "core/editing/SplitTextNodeCommand.h" | |
| 28 | |
| 29 #include "bindings/core/v8/ExceptionState.h" | |
| 30 #include "bindings/core/v8/ExceptionStatePlaceholder.h" | |
| 31 #include "core/dom/Document.h" | |
| 32 #include "core/dom/Text.h" | |
| 33 #include "core/editing/markers/DocumentMarkerController.h" | |
| 34 #include "wtf/Assertions.h" | |
| 35 | |
| 36 namespace blink { | |
| 37 | |
| 38 SplitTextNodeCommand::SplitTextNodeCommand(PassRefPtrWillBeRawPtr<Text> text, in
t offset) | |
| 39 : SimpleEditCommand(text->document()) | |
| 40 , m_text2(text) | |
| 41 , m_offset(offset) | |
| 42 { | |
| 43 // NOTE: Various callers rely on the fact that the original node becomes | |
| 44 // the second node (i.e. the new node is inserted before the existing one). | |
| 45 // That is not a fundamental dependency (i.e. it could be re-coded), but | |
| 46 // rather is based on how this code happens to work. | |
| 47 ASSERT(m_text2); | |
| 48 ASSERT(m_text2->length() > 0); | |
| 49 ASSERT(m_offset > 0); | |
| 50 ASSERT(m_offset < m_text2->length()); | |
| 51 } | |
| 52 | |
| 53 void SplitTextNodeCommand::doApply() | |
| 54 { | |
| 55 ContainerNode* parent = m_text2->parentNode(); | |
| 56 if (!parent || !parent->hasEditableStyle()) | |
| 57 return; | |
| 58 | |
| 59 String prefixText = m_text2->substringData(0, m_offset, IGNORE_EXCEPTION); | |
| 60 if (prefixText.isEmpty()) | |
| 61 return; | |
| 62 | |
| 63 m_text1 = Text::create(document(), prefixText); | |
| 64 ASSERT(m_text1); | |
| 65 document().markers().copyMarkers(m_text2.get(), 0, m_offset, m_text1.get(),
0); | |
| 66 | |
| 67 insertText1AndTrimText2(); | |
| 68 } | |
| 69 | |
| 70 void SplitTextNodeCommand::doUnapply() | |
| 71 { | |
| 72 if (!m_text1 || !m_text1->hasEditableStyle()) | |
| 73 return; | |
| 74 | |
| 75 ASSERT(m_text1->document() == document()); | |
| 76 | |
| 77 String prefixText = m_text1->data(); | |
| 78 | |
| 79 m_text2->insertData(0, prefixText, ASSERT_NO_EXCEPTION, CharacterData::Depre
catedRecalcStyleImmediatlelyForEditing); | |
| 80 | |
| 81 document().markers().copyMarkers(m_text1.get(), 0, prefixText.length(), m_te
xt2.get(), 0); | |
| 82 m_text1->remove(ASSERT_NO_EXCEPTION); | |
| 83 } | |
| 84 | |
| 85 void SplitTextNodeCommand::doReapply() | |
| 86 { | |
| 87 if (!m_text1 || !m_text2) | |
| 88 return; | |
| 89 | |
| 90 ContainerNode* parent = m_text2->parentNode(); | |
| 91 if (!parent || !parent->hasEditableStyle()) | |
| 92 return; | |
| 93 | |
| 94 insertText1AndTrimText2(); | |
| 95 } | |
| 96 | |
| 97 void SplitTextNodeCommand::insertText1AndTrimText2() | |
| 98 { | |
| 99 TrackExceptionState exceptionState; | |
| 100 m_text2->parentNode()->insertBefore(m_text1.get(), m_text2.get(), exceptionS
tate); | |
| 101 if (exceptionState.hadException()) | |
| 102 return; | |
| 103 m_text2->deleteData(0, m_offset, exceptionState, CharacterData::DeprecatedRe
calcStyleImmediatlelyForEditing); | |
| 104 } | |
| 105 | |
| 106 DEFINE_TRACE(SplitTextNodeCommand) | |
| 107 { | |
| 108 visitor->trace(m_text1); | |
| 109 visitor->trace(m_text2); | |
| 110 SimpleEditCommand::trace(visitor); | |
| 111 } | |
| 112 | |
| 113 } // namespace blink | |
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Chromium Code Reviews
Issue 1294543005:
Move execCommand related files in core/editing/ related files into core/editing/commands/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master