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26 #ifndef DeleteSelectionCommand_h
27 #define DeleteSelectionCommand_h
29 #include "CompositeEditCommand.h"
35 class DeleteSelectionCommand : public CompositeEditCommand {
37 static PassRefPtr<DeleteSelectionCommand> create(Document* document, bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool replace = false, bool expandForSpecialElements = false)
39 return adoptRef(new DeleteSelectionCommand(document, smartDelete, mergeBlocksAfterDelete, replace, expandForSpecialElements));
41 static PassRefPtr<DeleteSelectionCommand> create(const VisibleSelection& selection, bool smartDelete = false, bool mergeBlocksAfterDelete = true, bool replace = false, bool expandForSpecialElements = false)
43 return adoptRef(new DeleteSelectionCommand(selection, smartDelete, mergeBlocksAfterDelete, replace, expandForSpecialElements));
47 DeleteSelectionCommand(Document*, bool smartDelete, bool mergeBlocksAfterDelete, bool replace, bool expandForSpecialElements);
48 DeleteSelectionCommand(const VisibleSelection&, bool smartDelete, bool mergeBlocksAfterDelete, bool replace, bool expandForSpecialElements);
50 virtual void doApply();
51 virtual EditAction editingAction() const;
53 virtual bool preservesTypingStyle() const;
55 void initializeStartEnd(Position&, Position&);
56 void setStartingSelectionOnSmartDelete(const Position&, const Position&);
57 void initializePositionData();
58 void saveTypingStyleState();
59 void insertPlaceholderForAncestorBlockContent();
60 bool handleSpecialCaseBRDelete();
61 void handleGeneralDelete();
62 void fixupWhitespace();
63 void mergeParagraphs();
64 void removePreviouslySelectedEmptyTableRows();
65 void calculateEndingPosition();
66 void calculateTypingStyleAfterDelete();
67 void clearTransientState();
68 virtual void removeNode(PassRefPtr<Node>);
69 virtual void deleteTextFromNode(PassRefPtr<Text>, unsigned, unsigned);
71 bool m_hasSelectionToDelete;
73 bool m_mergeBlocksAfterDelete;
74 bool m_needPlaceholder;
76 bool m_expandForSpecialElements;
77 bool m_pruneStartBlockIfNecessary;
78 bool m_startsAtEmptyLine;
80 // This data is transient and should be cleared at the end of the doApply function.
81 VisibleSelection m_selectionToDelete;
82 Position m_upstreamStart;
83 Position m_downstreamStart;
84 Position m_upstreamEnd;
85 Position m_downstreamEnd;
86 Position m_endingPosition;
87 Position m_leadingWhitespace;
88 Position m_trailingWhitespace;
89 RefPtr<Node> m_startBlock;
90 RefPtr<Node> m_endBlock;
91 RefPtr<EditingStyle> m_typingStyle;
92 RefPtr<EditingStyle> m_deleteIntoBlockquoteStyle;
93 RefPtr<Node> m_startRoot;
94 RefPtr<Node> m_endRoot;
95 RefPtr<Node> m_startTableRow;
96 RefPtr<Node> m_endTableRow;
97 RefPtr<Node> m_temporaryPlaceholder;
100 } // namespace WebCore
102 #endif // DeleteSelectionCommand_h