DeleteSelectionCommand.h [plain text]
#ifndef __delete_selection_command_h__
#define __delete_selection_command_h__
#include "CompositeEditCommand.h"
namespace WebCore {
class DeleteSelectionCommand : public CompositeEditCommand
{
public:
DeleteSelectionCommand(Document *document, bool smartDelete=false, bool mergeBlocksAfterDelete=true, bool replace=false);
DeleteSelectionCommand(Document *document, const Selection &selection, bool smartDelete=false, bool mergeBlocksAfterDelete=true, bool replace=false);
virtual void doApply();
virtual EditAction editingAction() const;
private:
virtual bool preservesTypingStyle() const;
void initializeStartEnd();
void initializePositionData();
void saveTypingStyleState();
void insertPlaceholderForAncestorBlockContent();
bool handleSpecialCaseBRDelete();
void handleGeneralDelete();
void fixupWhitespace();
void mergeParagraphs();
void calculateEndingPosition();
void calculateTypingStyleAfterDelete(Node*);
void clearTransientState();
virtual void removeNode(Node*);
virtual void deleteTextFromNode(Text*, int, int);
bool m_hasSelectionToDelete;
bool m_smartDelete;
bool m_mergeBlocksAfterDelete;
bool m_needPlaceholder;
bool m_replace;
Selection m_selectionToDelete;
Position m_upstreamStart;
Position m_downstreamStart;
Position m_upstreamEnd;
Position m_downstreamEnd;
Position m_endingPosition;
Position m_leadingWhitespace;
Position m_trailingWhitespace;
RefPtr<Node> m_startBlock;
RefPtr<Node> m_endBlock;
RefPtr<CSSMutableStyleDeclaration> m_typingStyle;
RefPtr<CSSMutableStyleDeclaration> m_deleteIntoBlockquoteStyle;
};
}
#endif // __delete_selection_command_h__