This source file includes following definitions.
- m_element2
- doApply
- doUnapply
#include "config.h"
#include "core/editing/MergeIdenticalElementsCommand.h"
#include "bindings/v8/ExceptionState.h"
#include "bindings/v8/ExceptionStatePlaceholder.h"
#include "core/dom/Element.h"
namespace WebCore {
MergeIdenticalElementsCommand::MergeIdenticalElementsCommand(PassRefPtr<Element> first, PassRefPtr<Element> second)
: SimpleEditCommand(first->document())
, m_element1(first)
, m_element2(second)
{
ASSERT(m_element1);
ASSERT(m_element2);
ASSERT(m_element1->nextSibling() == m_element2);
}
void MergeIdenticalElementsCommand::doApply()
{
if (m_element1->nextSibling() != m_element2 || !m_element1->rendererIsEditable() || !m_element2->rendererIsEditable())
return;
m_atChild = m_element2->firstChild();
Vector<RefPtr<Node> > children;
for (Node* child = m_element1->firstChild(); child; child = child->nextSibling())
children.append(child);
size_t size = children.size();
for (size_t i = 0; i < size; ++i)
m_element2->insertBefore(children[i].release(), m_atChild.get(), IGNORE_EXCEPTION);
m_element1->remove(IGNORE_EXCEPTION);
}
void MergeIdenticalElementsCommand::doUnapply()
{
ASSERT(m_element1);
ASSERT(m_element2);
RefPtr<Node> atChild = m_atChild.release();
ContainerNode* parent = m_element2->parentNode();
if (!parent || !parent->rendererIsEditable())
return;
TrackExceptionState exceptionState;
parent->insertBefore(m_element1.get(), m_element2.get(), exceptionState);
if (exceptionState.hadException())
return;
Vector<RefPtr<Node> > children;
for (Node* child = m_element2->firstChild(); child && child != atChild; child = child->nextSibling())
children.append(child);
size_t size = children.size();
for (size_t i = 0; i < size; ++i)
m_element1->appendChild(children[i].release(), exceptionState);
}
}