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27 #include "core/editing/MergeIdenticalElementsCommand.h"
29 #include "bindings/v8/ExceptionState.h"
30 #include "bindings/v8/ExceptionStatePlaceholder.h"
31 #include "core/dom/Element.h"
35 MergeIdenticalElementsCommand::MergeIdenticalElementsCommand(PassRefPtr<Element> first, PassRefPtr<Element> second)
36 : SimpleEditCommand(first->document())
42 ASSERT(m_element1->nextSibling() == m_element2);
45 void MergeIdenticalElementsCommand::doApply()
47 if (m_element1->nextSibling() != m_element2 || !m_element1->rendererIsEditable() || !m_element2->rendererIsEditable())
50 m_atChild = m_element2->firstChild();
52 Vector<RefPtr<Node> > children;
53 for (Node* child = m_element1->firstChild(); child; child = child->nextSibling())
54 children.append(child);
56 size_t size = children.size();
57 for (size_t i = 0; i < size; ++i)
58 m_element2->insertBefore(children[i].release(), m_atChild.get(), IGNORE_EXCEPTION);
60 m_element1->remove(IGNORE_EXCEPTION);
63 void MergeIdenticalElementsCommand::doUnapply()
68 RefPtr<Node> atChild = m_atChild.release();
70 ContainerNode* parent = m_element2->parentNode();
71 if (!parent || !parent->rendererIsEditable())
74 TrackExceptionState es;
76 parent->insertBefore(m_element1.get(), m_element2.get(), es);
77 if (es.hadException())
80 Vector<RefPtr<Node> > children;
81 for (Node* child = m_element2->firstChild(); child && child != atChild; child = child->nextSibling())
82 children.append(child);
84 size_t size = children.size();
85 for (size_t i = 0; i < size; ++i)
86 m_element1->appendChild(children[i].release(), es);
89 } // namespace WebCore