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properties.hxx
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19 
20 #ifndef INCLUDED_SVX_SDR_PROPERTIES_PROPERTIES_HXX
21 #define INCLUDED_SVX_SDR_PROPERTIES_PROPERTIES_HXX
22 
23 #include <sal/config.h>
24 
25 #include <memory>
26 
27 #include <sal/types.h>
28 #include <svx/svxdllapi.h>
29 #include <svl/typedwhich.hxx>
30 
31 struct _xmlTextWriter;
32 typedef struct _xmlTextWriter* xmlTextWriterPtr;
33 class SdrObject;
34 class SfxItemSet;
35 class SfxPoolItem;
36 class SfxStyleSheet;
37 class Fraction;
38 class SfxItemPool;
39 class SdrModel;
40 
41 namespace sdr::properties
42 {
43  class ItemChangeBroadcaster;
44 }
45 
46 
48 //
49 // BaseProperties
50 // DefaultProperties ->SfxItemSet
51 // AttributeProperties ->SfxStyleSheet
52 // E3dProperties
53 // E3dCompoundProperties
54 // E3dExtrudeProperties
55 // E3dLatheProperties
56 // E3dSphereProperties
57 // E3dSceneProperties
58 // TextProperties ->maVersion
59 // ConnectorProperties
60 // CustomShapeProperties
61 // MeasureProperties
62 // RectangleProperties
63 // CaptionProperties
64 // CircleProperties
65 // GraphicProperties
66 // OleProperties
67 // CellProperties
68 // TableProperties
69 // GroupProperties
70 // EmptyProperties
71 // PageProperties
72 
73 namespace sdr::properties
74  {
76  {
77  private:
78  // the owner of this Properties. Set from constructor and not
79  // to be changed in any way.
81 
82  protected:
83  // apply the correct SfyStyleSheet from SdrObject's SdrModel
84  virtual void applyDefaultStyleSheetFromSdrModel();
85 
86  // create a new object specific itemset with object specific ranges.
87  virtual std::unique_ptr<SfxItemSet> CreateObjectSpecificItemSet(SfxItemPool& pPool) = 0;
88 
89  // internal access to SdrObject
90  const SdrObject& GetSdrObject() const;
91 
92  SdrObject& GetSdrObject();
93 
94  // Test changeability for a single item. If an implementation wants to prevent
95  // changing an item it should override this method.
96  virtual bool AllowItemChange(const sal_uInt16 nWhich, const SfxPoolItem* pNewItem = nullptr) const = 0;
97 
98  // Do the internal ItemChange. If only nWhich is given, the item needs to be cleared.
99  // Also needs to handle if nWhich and pNewItem is 0, which means to clear all items.
100  virtual void ItemChange(const sal_uInt16 nWhich, const SfxPoolItem* pNewItem = nullptr) = 0;
101 
102  // Called after ItemChange() is done for all items. Allows local reactions on
103  // specific item changes
104  virtual void PostItemChange(const sal_uInt16 nWhich) = 0;
105 
106  // Internally react on ItemSet changes. The given ItemSet contains all changed items, the new ones.
107  virtual void ItemSetChanged(const SfxItemSet& rSet) = 0;
108 
109  public:
110  // basic constructor, used from SdrObject.
111  explicit BaseProperties(SdrObject& rObj);
112 
113  // destructor
114  virtual ~BaseProperties();
115 
116  // Clone() operator, normally just calls the local copy constructor,
117  // see above.
118  virtual std::unique_ptr<BaseProperties> Clone(SdrObject& rObj) const = 0;
119 
120  // Get the local ItemSet. This directly returns the local ItemSet of the object. No
121  // merging of ItemSets is done for e.g. Group objects.
122  virtual const SfxItemSet& GetObjectItemSet() const = 0;
123 
124  // get merged ItemSet. Normally, this maps directly to GetObjectItemSet(), but may
125  // be overridden e.g for group objects to return a merged ItemSet of the object.
126  // When using this method the returned ItemSet may contain items in the state
127  // SfxItemState::DONTCARE which means there were several such items with different
128  // values.
129  virtual const SfxItemSet& GetMergedItemSet() const;
130 
131  // Sets all items which are on state SfxItemState::SET in rSet at the local ItemSet.
132  // Uses AllowItemChange(), ItemChange(), PostItemChange() and ItemSetChanged() calls.
133  virtual void SetObjectItemSet(const SfxItemSet& rSet) = 0;
134 
135  // Set merged ItemSet. Normally, this maps to SetObjectItemSet().
136  virtual void SetMergedItemSet(const SfxItemSet& rSet, bool bClearAllItems = false);
137 
138  // Set single item at the local ItemSet. Uses AllowItemChange(),
139  // ItemChange(), PostItemChange() and ItemSetChanged() calls.
140  virtual void SetObjectItem(const SfxPoolItem& rItem) = 0;
141 
142  // Set a single item direct. Only uses AllowItemChange() and ItemChange(),
143  // but not PostItemChange() and ItemSetChanged() calls.
144  virtual void SetObjectItemDirect(const SfxPoolItem& rItem) = 0;
145 
146  // Clear a single local item. Uses AllowItemChange(),
147  // ItemChange(), PostItemChange() and ItemSetChanged() calls.
148  virtual void ClearObjectItem(const sal_uInt16 nWhich = 0) = 0;
149 
150  // Set a single item, iterate over hierarchies if necessary. Default
151  // Implementation falls back to ClearObjectItem().
152  virtual void SetMergedItem(const SfxPoolItem& rItem);
153 
154  // Clear a single item, iterate over hierarchies if necessary. Default
155  // Implementation falls back to ClearObjectItem().
156  virtual void ClearMergedItem(const sal_uInt16 nWhich);
157 
158  // Clear single item direct. Only uses AllowItemChange() and ItemChange(),
159  // but not PostItemChange() and ItemSetChanged() calls.
160  // Also supports complete deletion of items when default parameter 0 is used.
161  virtual void ClearObjectItemDirect(const sal_uInt16 nWhich) = 0;
162 
163  // Set a new StyleSheet. Registers as listener at the StyleSheet to get knowledge
164  // of StyleSheet changes.
165  virtual void SetStyleSheet(SfxStyleSheet* pNewStyleSheet, bool bDontRemoveHardAttr) = 0;
166 
167  // Get the installed StyleSheet.
168  virtual SfxStyleSheet* GetStyleSheet() const = 0;
169 
170  // force all attributes which come from styles to hard attributes
171  // to be able to live without the style.
172  virtual void ForceStyleToHardAttributes();
173 
174  // syntactical sugar for ItemSet accesses. Broadcasts before and after the changes
175  // to invalidate views in old and new BoundRects. As soon as the repaint mechanism
176  // will be changed these broadcasts will no longer be needed.
177  //void SetItemAndBroadcast(const SfxPoolItem& rItem);
178  //void ClearItemAndBroadcast(const sal_uInt16 nWhich = 0);
179  void SetMergedItemSetAndBroadcast(const SfxItemSet& rSet, bool bClearAllItems = false);
180 
181  // Just a convenient shortcut for GetObjectItemSet().Get(nWhich).
182  const SfxPoolItem& GetItem(const sal_uInt16 nWhich) const;
183  template<class T> const T& GetItem(TypedWhichId<T> nWhich) const
184  {
185  return static_cast<const T&>(GetItem(sal_uInt16(nWhich)));
186  }
187 
188  // support for convenient broadcasting. Used from SetMergedItemAndBroadcast(),
189  // ClearItemAndBroadcast() and SetItemSetAndBroadcast(), see above.
190  // But also from inside SdrObjects.
191  void BroadcastItemChange(const ItemChangeBroadcaster& rChange);
192 
193  // #i101556# add versioning mechanism; used from e.g. text attribute set to
194  // allow detection of e.g. style sheet or single text attribute changes. The
195  // default implementation returns 0 (zero)
196  virtual sal_uInt32 getVersion() const;
197 
198  virtual void dumpAsXml(xmlTextWriterPtr pWriter) const;
199  };
200 
201  // checks the FillStyle item and removes unneeded Gradient, FillBitmap and Hatch items
203 
204 } // end of namespace sdr::properties
205 
206 #endif // INCLUDED_SVX_SDR_PROPERTIES_PROPERTIES_HXX
207 
208 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
struct _xmlTextWriter * xmlTextWriterPtr
const SfxPoolItem * GetItem(const SwTextAttr &rAttr, sal_uInt16 nWhich)
struct _xmlTextWriter * xmlTextWriterPtr
Definition: properties.hxx:32
void CleanupFillProperties(SfxItemSet &rItemSet)
Definition: properties.cxx:162
Reference< XAnimationNode > Clone(const Reference< XAnimationNode > &xSourceNode, const SdPage *pSource, const SdPage *pTarget)
Abstract DrawObject.
Definition: svdobj.hxx:260
#define SVXCORE_DLLPUBLIC
Definition: svxdllapi.h:35
const T & GetItem(TypedWhichId< T > nWhich) const
Definition: properties.hxx:183