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27 #include "core/editing/SplitElementCommand.h"
29 #include "bindings/core/v8/ExceptionState.h"
30 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
31 #include "core/HTMLNames.h"
32 #include "core/dom/Element.h"
33 #include "wtf/Assertions.h"
37 SplitElementCommand::SplitElementCommand(PassRefPtrWillBeRawPtr<Element> element, PassRefPtrWillBeRawPtr<Node> atChild)
38 : SimpleEditCommand(element->document())
44 ASSERT(m_atChild->parentNode() == m_element2);
47 void SplitElementCommand::executeApply()
49 if (m_atChild->parentNode() != m_element2)
52 WillBeHeapVector<RefPtrWillBeMember<Node> > children;
53 for (Node* node = m_element2->firstChild(); node != m_atChild; node = node->nextSibling())
54 children.append(node);
56 TrackExceptionState exceptionState;
58 ContainerNode* parent = m_element2->parentNode();
59 if (!parent || !parent->hasEditableStyle())
61 parent->insertBefore(m_element1.get(), m_element2.get(), exceptionState);
62 if (exceptionState.hadException())
65 // Delete id attribute from the second element because the same id cannot be used for more than one element
66 m_element2->removeAttribute(HTMLNames::idAttr);
68 size_t size = children.size();
69 for (size_t i = 0; i < size; ++i)
70 m_element1->appendChild(children[i], exceptionState);
73 void SplitElementCommand::doApply()
75 m_element1 = m_element2->cloneElementWithoutChildren();
80 void SplitElementCommand::doUnapply()
82 if (!m_element1 || !m_element1->hasEditableStyle() || !m_element2->hasEditableStyle())
86 getChildNodes(*m_element1, children);
88 RefPtrWillBeRawPtr<Node> refChild = m_element2->firstChild();
90 size_t size = children.size();
91 for (size_t i = 0; i < size; ++i)
92 m_element2->insertBefore(children[i].get(), refChild.get(), IGNORE_EXCEPTION);
94 // Recover the id attribute of the original element.
95 const AtomicString& id = m_element1->getAttribute(HTMLNames::idAttr);
97 m_element2->setAttribute(HTMLNames::idAttr, id);
99 m_element1->remove(IGNORE_EXCEPTION);
102 void SplitElementCommand::doReapply()
110 void SplitElementCommand::trace(Visitor* visitor)
112 visitor->trace(m_element1);
113 visitor->trace(m_element2);
114 visitor->trace(m_atChild);
115 SimpleEditCommand::trace(visitor);