xref: /aoo4110/main/sw/inc/HandleAnchorNodeChg.hxx (revision b1cdbd2c)
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21 
22 
23 #ifndef _HANDLEANCHORNODECHG_HXX
24 #define _HANDLEANCHORNODECHG_HXX
25 
26 class SwFlyFrmFmt;
27 class SwFmtAnchor;
28 class SwFlyFrm;
29 
30 // OD 2006-02-28 #125892#
31 // helper class to track change of anchor node of at-paragraph respectively
32 // at-character anchored fly frames
33 // if such a change happens, it has to be checked, if the count of the anchor
34 // frames also change. if yes, a re-creation of the fly frames is needed:
35 // - deletion of existing fly frames before the intrinsic anchor node changes
36 // - creation of new fly frames after the intrinsic anchor node change.
37 class SwHandleAnchorNodeChg
38 {
39 public:
40     /** checks, if re-creation of fly frames for an anchor node change at the
41         given fly frame format is necessary, and performs the first part.
42 
43         @author OD
44 
45         @param _rFlyFrmFmt
46         reference to the fly frame format instance, which is handled.
47 
48         @param _rNewAnchorFmt
49         new anchor attribute, which will be applied at the given fly frame format
50 
51         @param _pKeepThisFlyFrm
52         optional parameter - pointer to a fly frame of the given fly frame format,
53         which isn't deleted, if re-creation of fly frames is necessary.
54     */
55     SwHandleAnchorNodeChg( SwFlyFrmFmt& _rFlyFrmFmt,
56                            const SwFmtAnchor& _rNewAnchorFmt,
57                            SwFlyFrm* _pKeepThisFlyFrm = 0L );
58 
59     /** calls <SwFlyFrmFmt::MakeFrms>, if re-creation of fly frames is necessary.
60 
61         @author OD
62     */
63     ~SwHandleAnchorNodeChg();
64 
65 private:
66     // fly frame format, which is tracked for a anchor node change.
67     SwFlyFrmFmt& mrFlyFrmFmt;
68     // internal flag, which indicates that the certain anchor node change occurs
69     // and that re-creation of fly frames is necessary.
70     bool mbAnchorNodeChanged;
71 
72     // no copy-constructor
73     SwHandleAnchorNodeChg( const SwHandleAnchorNodeChg& );
74     // no assignment-operator
75     void operator=( const SwHandleAnchorNodeChg );
76 };
77 #endif
78