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110 lines
3.7 KiB
C++
110 lines
3.7 KiB
C++
/*
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* Copyright (C) 2005, 2008 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "sky/engine/core/editing/SplitElementCommand.h"
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#include "gen/sky/core/HTMLNames.h"
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#include "sky/engine/bindings/exception_state.h"
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#include "sky/engine/bindings/exception_state_placeholder.h"
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#include "sky/engine/core/dom/Element.h"
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#include "sky/engine/wtf/Assertions.h"
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namespace blink {
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SplitElementCommand::SplitElementCommand(PassRefPtr<Element> element, PassRefPtr<Node> atChild)
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: SimpleEditCommand(element->document())
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, m_element2(element)
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, m_atChild(atChild)
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{
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ASSERT(m_element2);
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ASSERT(m_atChild);
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ASSERT(m_atChild->parentNode() == m_element2);
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}
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void SplitElementCommand::executeApply()
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{
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if (m_atChild->parentNode() != m_element2)
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return;
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Vector<RefPtr<Node> > children;
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for (Node* node = m_element2->firstChild(); node != m_atChild; node = node->nextSibling())
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children.append(node);
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TrackExceptionState exceptionState;
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ContainerNode* parent = m_element2->parentNode();
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if (!parent || !parent->hasEditableStyle())
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return;
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parent->insertBefore(m_element1.get(), m_element2.get(), exceptionState);
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if (exceptionState.had_exception())
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return;
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// Delete id attribute from the second element because the same id cannot be used for more than one element
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m_element2->removeAttribute(HTMLNames::idAttr);
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size_t size = children.size();
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for (size_t i = 0; i < size; ++i)
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m_element1->appendChild(children[i], exceptionState);
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}
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void SplitElementCommand::doApply()
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{
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m_element1 = m_element2->cloneElementWithoutChildren();
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executeApply();
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}
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void SplitElementCommand::doUnapply()
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{
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if (!m_element1 || !m_element1->hasEditableStyle() || !m_element2->hasEditableStyle())
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return;
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NodeVector children;
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appendChildNodes(*m_element1, children);
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RefPtr<Node> refChild = m_element2->firstChild();
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size_t size = children.size();
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for (size_t i = 0; i < size; ++i)
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m_element2->insertBefore(children[i].get(), refChild.get(), IGNORE_EXCEPTION);
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// Recover the id attribute of the original element.
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const AtomicString& id = m_element1->getAttribute(HTMLNames::idAttr);
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if (!id.isNull())
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m_element2->setAttribute(HTMLNames::idAttr, id);
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m_element1->remove(IGNORE_EXCEPTION);
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}
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void SplitElementCommand::doReapply()
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{
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if (!m_element1)
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return;
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executeApply();
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}
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} // namespace blink
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