MoveSelectionCommand.cpp [plain text]
#include "config.h"
#include "MoveSelectionCommand.h"
#include "DocumentFragment.h"
#include "ReplaceSelectionCommand.h"
namespace WebCore {
MoveSelectionCommand::MoveSelectionCommand(PassRefPtr<DocumentFragment> fragment, const Position& position, bool smartInsert, bool smartDelete)
: CompositeEditCommand(position.anchorNode()->document()), m_fragment(fragment), m_position(position), m_smartInsert(smartInsert), m_smartDelete(smartDelete)
{
ASSERT(m_fragment);
}
void MoveSelectionCommand::doApply()
{
ASSERT(endingSelection().isNonOrphanedRange());
Position pos = m_position;
if (pos.isNull())
return;
Position selectionEnd = endingSelection().end();
if (pos.anchorType() == Position::PositionIsOffsetInAnchor && selectionEnd.anchorType() == Position::PositionIsOffsetInAnchor
&& selectionEnd.containerNode() == pos.containerNode() && selectionEnd.offsetInContainerNode() < pos.offsetInContainerNode()) {
pos.moveToOffset(pos.offsetInContainerNode() - selectionEnd.offsetInContainerNode());
Position selectionStart = endingSelection().start();
if (selectionStart.anchorType() == Position::PositionIsOffsetInAnchor && selectionStart.containerNode() == pos.containerNode())
pos.moveToOffset(pos.offsetInContainerNode() + selectionStart.offsetInContainerNode());
}
deleteSelection(m_smartDelete);
if (!pos.anchorNode()->inDocument())
pos = endingSelection().start();
setEndingSelection(VisibleSelection(pos, endingSelection().affinity(), endingSelection().isDirectional()));
if (!pos.anchorNode()->inDocument()) {
return;
}
ReplaceSelectionCommand::CommandOptions options = ReplaceSelectionCommand::SelectReplacement | ReplaceSelectionCommand::PreventNesting;
if (m_smartInsert)
options |= ReplaceSelectionCommand::SmartReplace;
applyCommandToComposite(ReplaceSelectionCommand::create(document(), m_fragment, options));
}
EditAction MoveSelectionCommand::editingAction() const
{
return EditActionDrag;
}
}