office-gobmx/sc/inc/postit.hxx

266 lines
12 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#ifndef SC_POSTIT_HXX
#define SC_POSTIT_HXX
#include <boost/shared_ptr.hpp>
#include <rtl/ustring.hxx>
#include <tools/gen.hxx>
#include "address.hxx"
#include "scdllapi.h"
class EditTextObject;
class OutlinerParaObject;
class SdrCaptionObj;
class SdrPage;
class SfxItemSet;
class ScDocument;
struct ScCaptionInitData;
// ============================================================================
/** Internal data for a cell annotation. */
struct SC_DLLPUBLIC ScNoteData
{
typedef ::boost::shared_ptr< ScCaptionInitData > ScCaptionInitDataRef;
::rtl::OUString maDate; /// Creation date of the note.
::rtl::OUString maAuthor; /// Author of the note.
ScCaptionInitDataRef mxInitData; /// Initial data for invisible notes without SdrObject.
SdrCaptionObj* mpCaption; /// Drawing object representing the cell note.
bool mbShown; /// True = note is visible.
explicit ScNoteData( bool bShown = false );
~ScNoteData();
};
// ============================================================================
/** An additional class held by an ScBaseCell instance containing all
information for a cell annotation.
*/
class SC_DLLPUBLIC ScPostIt
{
public:
/** Creates an empty note and its caption object and places it according to
the passed cell position. */
explicit ScPostIt( ScDocument& rDoc, const ScAddress& rPos, bool bShown );
/** Copy constructor. Clones the note and its caption to a new document. */
explicit ScPostIt( ScDocument& rDoc, const ScAddress& rPos, const ScPostIt& rNote );
/** Creates a note from the passed note data with existing caption object.
@param bAlwaysCreateCaption Instead of a pointer to an existing
caption object, the passed note data structure may contain a
reference to an ScCaptionInitData structure containing information
about how to construct a missing caption object. If sal_True is passed,
the caption drawing object will be created immediately from that
data. If sal_False is passed and the note is not visible, it will
continue to cache that data until the caption object is requested.
*/
explicit ScPostIt(
ScDocument& rDoc, const ScAddress& rPos,
const ScNoteData& rNoteData, bool bAlwaysCreateCaption );
/** Removes the caption object from drawing layer, if this note is its owner. */
~ScPostIt();
/** Clones this note and its caption object, if specified.
@param bCloneCaption If sal_True is passed, clones the caption object and
inserts it into the drawing layer of the destination document. If
sal_False is passed, the cloned note will refer to the old caption
object (used e.g. in Undo documents to restore the pointer to the
existing caption object).
*/
ScPostIt* Clone(
const ScAddress& rOwnPos,
ScDocument& rDestDoc, const ScAddress& rDestPos,
bool bCloneCaption ) const;
/** Returns the data struct containing all note settings. */
inline const ScNoteData& GetNoteData() const { return maNoteData; }
/** Returns the creation date of this note. */
inline const ::rtl::OUString& GetDate() const { return maNoteData.maDate; }
/** Sets a new creation date for this note. */
inline void SetDate( const ::rtl::OUString& rDate ) { maNoteData.maDate = rDate; }
/** Returns the author date of this note. */
inline const ::rtl::OUString& GetAuthor() const { return maNoteData.maAuthor; }
/** Sets a new author date for this note. */
inline void SetAuthor( const ::rtl::OUString& rAuthor ) { maNoteData.maAuthor = rAuthor; }
/** Sets date and author from system settings. */
void AutoStamp();
/** Returns the pointer to the current outliner object, or null. */
const OutlinerParaObject* GetOutlinerObject() const;
/** Returns the pointer to the current edit text object, or null. */
const EditTextObject* GetEditTextObject() const;
/** Returns the caption text of this note. */
::rtl::OUString GetText() const;
/** Returns true, if the caption text of this note contains line breaks. */
bool HasMultiLineText() const;
/** Changes the caption text of this note. All text formatting will be lost. */
void SetText( const ScAddress& rPos, const ::rtl::OUString& rText );
/** Returns an existing note caption object. returns null, if the note
contains initial caption data needed to construct a caption object. */
inline SdrCaptionObj* GetCaption() const { return maNoteData.mpCaption; }
/** Returns the caption object of this note. Creates the caption object, if
the note contains initial caption data instead of the caption. */
SdrCaptionObj* GetOrCreateCaption( const ScAddress& rPos ) const;
/** Forgets the pointer to the note caption object. */
void ForgetCaption();
/** Shows or hides the note caption object. */
void ShowCaption( const ScAddress& rPos, bool bShow = true );
/** Returns true, if the caption object is visible. */
inline bool IsCaptionShown() const { return maNoteData.mbShown; }
/** Shows or hides the caption temporarily (does not change internal visibility state). */
void ShowCaptionTemp( const ScAddress& rPos, bool bShow = true );
/** Updates caption position according to position of the passed cell. */
void UpdateCaptionPos( const ScAddress& rPos );
private:
ScPostIt( const ScPostIt& );
ScPostIt& operator=( const ScPostIt& );
/** Creates the caption object from initial caption data if existing. */
void CreateCaptionFromInitData( const ScAddress& rPos ) const;
/** Creates a new caption object at the passed cell position, clones passed existing caption. */
void CreateCaption( const ScAddress& rPos, const SdrCaptionObj* pCaption = 0 );
/** Removes the caption object from the drawing layer, if this note is its owner. */
void RemoveCaption();
private:
ScDocument& mrDoc; /// Parent document containing the note.
mutable ScNoteData maNoteData; /// Note data with pointer to caption object.
};
// ============================================================================
class SC_DLLPUBLIC ScNoteUtil
{
public:
/** Tries to update the position of note caption objects in the specified range. */
static void UpdateCaptionPositions( ScDocument& rDoc, const ScRange& rRange );
/** Creates and returns a caption object for a temporary caption. */
static SdrCaptionObj* CreateTempCaption( ScDocument& rDoc, const ScAddress& rPos,
SdrPage& rDrawPage, const ::rtl::OUString& rUserText,
const Rectangle& rVisRect, bool bTailFront );
/** Creates a cell note using the passed caption drawing object.
This function is used in import filters to reuse the imported drawing
object as note caption object.
@param rCaption The drawing object for the cell note. This object MUST
be inserted into the document at the correct drawing page already.
@return Pointer to the new cell note object if insertion was
successful (i.e. the passed cell position was valid), null
otherwise. The Calc document is the owner of the note object. The
passed item set and outliner object are deleted automatically if
creation of the note was not successful.
*/
static ScPostIt* CreateNoteFromCaption(
ScDocument& rDoc, const ScAddress& rPos,
SdrCaptionObj& rCaption, bool bShown );
/** Creates a cell note based on the passed caption object data.
This function is used in import filters to use an existing imported
item set and outliner object to create a note caption object. For
performance reasons, it is possible to specify that the caption drawing
object for the cell note is not created yet but the note caches the
passed data needed to create the caption object on demand (see
parameter bAlwaysCreateCaption).
@param pItemSet Pointer to an item set on heap memory containing all
formatting attributes of the caption object. This function takes
ownership of the passed item set.
@param pOutlinerObj Pointer to an outliner object on heap memory
containing (formatted) text for the caption object. This function
takes ownership of the passed outliner object.
@param rCaptionRect The absolute position and size of the caption
object. The rectangle may be empty, in this case the default
position and size is used.
@param bAlwaysCreateCaption If sal_True is passed, the caption drawing
object will be created immediately. If sal_False is passed, the caption
drawing object will not be created if the note is not visible
(bShown = sal_False), but the cell note will cache the passed data.
MUST be set to sal_False outside of import filter implementations!
@return Pointer to the new cell note object if insertion was
successful (i.e. the passed cell position was valid), null
otherwise. The Calc document is the owner of the note object.
*/
static ScPostIt* CreateNoteFromObjectData(
ScDocument& rDoc, const ScAddress& rPos,
SfxItemSet* pItemSet, OutlinerParaObject* pOutlinerObj,
const Rectangle& rCaptionRect, bool bShown,
bool bAlwaysCreateCaption );
/** Creates a cell note based on the passed string and inserts it into the
document.
@param rNoteText The text used to create the note caption object. Must
not be empty.
@param bAlwaysCreateCaption If sal_True is passed, the caption drawing
object will be created immediately. If sal_False is passed, the caption
drawing object will not be created if the note is not visible
(bShown = sal_False), but the cell note will cache the passed data.
MUST be set to sal_False outside of import filter implementations!
@return Pointer to the new cell note object if insertion was
successful (i.e. the passed cell position was valid), null
otherwise. The Calc document is the owner of the note object.
*/
static ScPostIt* CreateNoteFromString(
ScDocument& rDoc, const ScAddress& rPos,
const ::rtl::OUString& rNoteText, bool bShown,
bool bAlwaysCreateCaption );
};
// ============================================================================
#endif
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