xref: /aoo41x/main/sc/inc/postit.hxx (revision cdf0e10c)
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27 
28 #ifndef SC_POSTIT_HXX
29 #define SC_POSTIT_HXX
30 
31 #include <boost/shared_ptr.hpp>
32 #include <rtl/ustring.hxx>
33 #include <tools/gen.hxx>
34 #include "address.hxx"
35 #include "scdllapi.h"
36 
37 class EditTextObject;
38 class OutlinerParaObject;
39 class SdrCaptionObj;
40 class SdrPage;
41 class SfxItemSet;
42 class ScDocument;
43 struct ScCaptionInitData;
44 
45 // ============================================================================
46 
47 /** Internal data for a cell annotation. */
48 struct SC_DLLPUBLIC ScNoteData
49 {
50     typedef ::boost::shared_ptr< ScCaptionInitData > ScCaptionInitDataRef;
51 
52     ::rtl::OUString     maDate;             /// Creation date of the note.
53     ::rtl::OUString     maAuthor;           /// Author of the note.
54     ScCaptionInitDataRef mxInitData;        /// Initial data for invisible notes without SdrObject.
55     SdrCaptionObj*      mpCaption;          /// Drawing object representing the cell note.
56     bool                mbShown;            /// True = note is visible.
57 
58     explicit            ScNoteData( bool bShown = false );
59                         ~ScNoteData();
60 };
61 
62 // ============================================================================
63 
64 /** An additional class held by an ScBaseCell instance containing all
65     information for a cell annotation.
66  */
67 class SC_DLLPUBLIC ScPostIt
68 {
69 public:
70     /** Creates an empty note and its caption object and places it according to
71         the passed cell position. */
72     explicit            ScPostIt( ScDocument& rDoc, const ScAddress& rPos, bool bShown );
73 
74     /** Copy constructor. Clones the note and its caption to a new document. */
75     explicit            ScPostIt( ScDocument& rDoc, const ScAddress& rPos, const ScPostIt& rNote );
76 
77     /** Creates a note from the passed note data with existing caption object.
78 
79         @param bAlwaysCreateCaption  Instead of a pointer to an existing
80             caption object, the passed note data structure may contain a
81             reference to an ScCaptionInitData structure containing information
82             about how to construct a missing caption object. If sal_True is passed,
83             the caption drawing object will be created immediately from that
84             data. If sal_False is passed and the note is not visible, it will
85             continue to cache that data until the caption object is requested.
86      */
87     explicit            ScPostIt(
88                             ScDocument& rDoc, const ScAddress& rPos,
89                             const ScNoteData& rNoteData, bool bAlwaysCreateCaption );
90 
91     /** Removes the caption object from drawing layer, if this note is its owner. */
92                         ~ScPostIt();
93 
94     /** Clones this note and its caption object, if specified.
95 
96         @param bCloneCaption  If sal_True is passed, clones the caption object and
97             inserts it into the drawing layer of the destination document. If
98             sal_False is passed, the cloned note will refer to the old caption
99             object (used e.g. in Undo documents to restore the pointer to the
100             existing caption object).
101      */
102     ScPostIt*           Clone(
103                             const ScAddress& rOwnPos,
104                             ScDocument& rDestDoc, const ScAddress& rDestPos,
105                             bool bCloneCaption ) const;
106 
107     /** Returns the data struct containing all note settings. */
108     inline const ScNoteData& GetNoteData() const { return maNoteData; }
109 
110     /** Returns the creation date of this note. */
111     inline const ::rtl::OUString& GetDate() const { return maNoteData.maDate; }
112     /** Sets a new creation date for this note. */
113     inline void         SetDate( const ::rtl::OUString& rDate ) { maNoteData.maDate = rDate; }
114 
115     /** Returns the author date of this note. */
116     inline const ::rtl::OUString& GetAuthor() const { return maNoteData.maAuthor; }
117     /** Sets a new author date for this note. */
118     inline void         SetAuthor( const ::rtl::OUString& rAuthor ) { maNoteData.maAuthor = rAuthor; }
119 
120     /** Sets date and author from system settings. */
121     void                AutoStamp();
122 
123     /** Returns the pointer to the current outliner object, or null. */
124     const OutlinerParaObject* GetOutlinerObject() const;
125     /** Returns the pointer to the current edit text object, or null. */
126     const EditTextObject* GetEditTextObject() const;
127 
128     /** Returns the caption text of this note. */
129     ::rtl::OUString     GetText() const;
130     /** Returns true, if the caption text of this note contains line breaks. */
131     bool                HasMultiLineText() const;
132     /** Changes the caption text of this note. All text formatting will be lost. */
133     void                SetText( const ScAddress& rPos, const ::rtl::OUString& rText );
134 
135     /** Returns an existing note caption object. returns null, if the note
136         contains initial caption data needed to construct a caption object. */
137     inline SdrCaptionObj* GetCaption() const { return maNoteData.mpCaption; }
138     /** Returns the caption object of this note. Creates the caption object, if
139         the note contains initial caption data instead of the caption. */
140     SdrCaptionObj*      GetOrCreateCaption( const ScAddress& rPos ) const;
141     /** Forgets the pointer to the note caption object. */
142     void                ForgetCaption();
143 
144     /** Shows or hides the note caption object. */
145     void                ShowCaption( const ScAddress& rPos, bool bShow = true );
146     /** Returns true, if the caption object is visible. */
147     inline bool         IsCaptionShown() const { return maNoteData.mbShown; }
148 
149     /** Shows or hides the caption temporarily (does not change internal visibility state). */
150     void                ShowCaptionTemp( const ScAddress& rPos, bool bShow = true );
151 
152     /** Updates caption position according to position of the passed cell. */
153     void                UpdateCaptionPos( const ScAddress& rPos );
154 
155 private:
156                         ScPostIt( const ScPostIt& );
157     ScPostIt&           operator=( const ScPostIt& );
158 
159     /** Creates the caption object from initial caption data if existing. */
160     void                CreateCaptionFromInitData( const ScAddress& rPos ) const;
161     /** Creates a new caption object at the passed cell position, clones passed existing caption. */
162     void                CreateCaption( const ScAddress& rPos, const SdrCaptionObj* pCaption = 0 );
163     /** Removes the caption object from the drawing layer, if this note is its owner. */
164     void                RemoveCaption();
165 
166 private:
167     ScDocument&         mrDoc;              /// Parent document containing the note.
168     mutable ScNoteData  maNoteData;         /// Note data with pointer to caption object.
169 };
170 
171 // ============================================================================
172 
173 class SC_DLLPUBLIC ScNoteUtil
174 {
175 public:
176     /** Tries to update the position of note caption objects in the specified range. */
177     static void         UpdateCaptionPositions( ScDocument& rDoc, const ScRange& rRange );
178 
179     /** Creates and returns a caption object for a temporary caption. */
180     static SdrCaptionObj* CreateTempCaption( ScDocument& rDoc, const ScAddress& rPos,
181                             SdrPage& rDrawPage, const ::rtl::OUString& rUserText,
182                             const Rectangle& rVisRect, bool bTailFront );
183 
184     /** Creates a cell note using the passed caption drawing object.
185 
186         This function is used in import filters to reuse the imported drawing
187         object as note caption object.
188 
189         @param rCaption  The drawing object for the cell note. This object MUST
190             be inserted into the document at the correct drawing page already.
191 
192         @return  Pointer to the new cell note object if insertion was
193             successful (i.e. the passed cell position was valid), null
194             otherwise. The Calc document is the owner of the note object. The
195             passed item set and outliner object are deleted automatically if
196             creation of the note was not successful.
197      */
198     static ScPostIt*    CreateNoteFromCaption(
199                             ScDocument& rDoc, const ScAddress& rPos,
200                             SdrCaptionObj& rCaption, bool bShown );
201 
202     /** Creates a cell note based on the passed caption object data.
203 
204         This function is used in import filters to use an existing imported
205         item set and outliner object to create a note caption object. For
206         performance reasons, it is possible to specify that the caption drawing
207         object for the cell note is not created yet but the note caches the
208         passed data needed to create the caption object on demand (see
209         parameter bAlwaysCreateCaption).
210 
211         @param pItemSet  Pointer to an item set on heap memory containing all
212             formatting attributes of the caption object. This function takes
213             ownership of the passed item set.
214 
215         @param pOutlinerObj  Pointer to an outliner object on heap memory
216             containing (formatted) text for the caption object. This function
217             takes ownership of the passed outliner object.
218 
219         @param rCaptionRect  The absolute position and size of the caption
220             object. The rectangle may be empty, in this case the default
221             position and size is used.
222 
223         @param bAlwaysCreateCaption  If sal_True is passed, the caption drawing
224             object will be created immediately. If sal_False is passed, the caption
225             drawing object will not be created if the note is not visible
226             (bShown = sal_False), but the cell note will cache the passed data.
227             MUST be set to sal_False outside of import filter implementations!
228 
229         @return  Pointer to the new cell note object if insertion was
230             successful (i.e. the passed cell position was valid), null
231             otherwise. The Calc document is the owner of the note object.
232      */
233     static ScPostIt*    CreateNoteFromObjectData(
234                             ScDocument& rDoc, const ScAddress& rPos,
235                             SfxItemSet* pItemSet, OutlinerParaObject* pOutlinerObj,
236                             const Rectangle& rCaptionRect, bool bShown,
237                             bool bAlwaysCreateCaption );
238 
239     /** Creates a cell note based on the passed string and inserts it into the
240         document.
241 
242         @param rNoteText  The text used to create the note caption object. Must
243             not be empty.
244 
245         @param bAlwaysCreateCaption  If sal_True is passed, the caption drawing
246             object will be created immediately. If sal_False is passed, the caption
247             drawing object will not be created if the note is not visible
248             (bShown = sal_False), but the cell note will cache the passed data.
249             MUST be set to sal_False outside of import filter implementations!
250 
251         @return  Pointer to the new cell note object if insertion was
252             successful (i.e. the passed cell position was valid), null
253             otherwise. The Calc document is the owner of the note object.
254      */
255     static ScPostIt*    CreateNoteFromString(
256                             ScDocument& rDoc, const ScAddress& rPos,
257                             const ::rtl::OUString& rNoteText, bool bShown,
258                             bool bAlwaysCreateCaption );
259 };
260 
261 // ============================================================================
262 
263 #endif
264