LibreOffice Module svx (master)  1
properties.hxx
Go to the documentation of this file.
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3  * This file is part of the LibreOffice project.
4  *
5  * This Source Code Form is subject to the terms of the Mozilla Public
6  * License, v. 2.0. If a copy of the MPL was not distributed with this
7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8  *
9  * This file incorporates work covered by the following license notice:
10  *
11  * Licensed to the Apache Software Foundation (ASF) under one or more
12  * contributor license agreements. See the NOTICE file distributed
13  * with this work for additional information regarding copyright
14  * ownership. The ASF licenses this file to you under the Apache
15  * License, Version 2.0 (the "License"); you may not use this file
16  * except in compliance with the License. You may obtain a copy of
17  * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18  */
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  // internal access to SdrObject
84  const SdrObject& GetSdrObject() const;
85 
86  SdrObject& GetSdrObject();
87 
88  public:
89  // basic constructor, used from SdrObject.
90  explicit BaseProperties(SdrObject& rObj);
91 
92  // destructor
93  virtual ~BaseProperties();
94 
95  virtual SfxItemSet CreateObjectSpecificItemSet(SfxItemPool& pPool) = 0;
96 
97  // Clone() operator, normally just calls the local copy constructor,
98  // see above.
99  virtual std::unique_ptr<BaseProperties> Clone(SdrObject& rObj) const = 0;
100 
101  // Get the local ItemSet. This directly returns the local ItemSet of the object. No
102  // merging of ItemSets is done for e.g. Group objects.
103  virtual const SfxItemSet& GetObjectItemSet() const = 0;
104 
105  // get merged ItemSet. Normally, this maps directly to GetObjectItemSet(), but may
106  // be overridden e.g for group objects to return a merged ItemSet of the object.
107  // When using this method the returned ItemSet may contain items in the state
108  // SfxItemState::DONTCARE which means there were several such items with different
109  // values.
110  virtual const SfxItemSet& GetMergedItemSet() const;
111 
112  // Sets all items which are on state SfxItemState::SET in rSet at the local ItemSet.
113  // Uses AllowItemChange(), ItemChange(), PostItemChange() and ItemSetChanged() calls.
114  virtual void SetObjectItemSet(const SfxItemSet& rSet) = 0;
115 
116  // Set merged ItemSet. Normally, this maps to SetObjectItemSet().
117  virtual void SetMergedItemSet(const SfxItemSet& rSet, bool bClearAllItems = false);
118 
119  // Set single item at the local ItemSet. Uses AllowItemChange(),
120  // ItemChange(), PostItemChange() and ItemSetChanged() calls.
121  virtual void SetObjectItem(const SfxPoolItem& rItem) = 0;
122 
123  // Set a single item direct. Only uses AllowItemChange() and ItemChange(),
124  // but not PostItemChange() and ItemSetChanged() calls.
125  virtual void SetObjectItemDirect(const SfxPoolItem& rItem) = 0;
126 
127  // Clear a single local item. Uses AllowItemChange(),
128  // ItemChange(), PostItemChange() and ItemSetChanged() calls.
129  virtual void ClearObjectItem(const sal_uInt16 nWhich = 0) = 0;
130 
131  // Set a single item, iterate over hierarchies if necessary. Default
132  // Implementation falls back to ClearObjectItem().
133  virtual void SetMergedItem(const SfxPoolItem& rItem);
134 
135  // Clear a single item, iterate over hierarchies if necessary. Default
136  // Implementation falls back to ClearObjectItem().
137  virtual void ClearMergedItem(const sal_uInt16 nWhich);
138 
139  // Clear single item direct. Only uses AllowItemChange() and ItemChange(),
140  // but not PostItemChange() and ItemSetChanged() calls.
141  // Also supports complete deletion of items when default parameter 0 is used.
142  virtual void ClearObjectItemDirect(const sal_uInt16 nWhich) = 0;
143 
144  // Set a new StyleSheet. Registers as listener at the StyleSheet to get knowledge
145  // of StyleSheet changes.
146  virtual void SetStyleSheet(SfxStyleSheet* pNewStyleSheet, bool bDontRemoveHardAttr,
147  bool bBroadcast) = 0;
148 
149  // Get the installed StyleSheet.
150  virtual SfxStyleSheet* GetStyleSheet() const = 0;
151 
152  // force all attributes which come from styles to hard attributes
153  // to be able to live without the style.
154  virtual void ForceStyleToHardAttributes();
155 
156  // syntactical sugar for ItemSet accesses. Broadcasts before and after the changes
157  // to invalidate views in old and new BoundRects. As soon as the repaint mechanism
158  // will be changed these broadcasts will no longer be needed.
159  //void SetItemAndBroadcast(const SfxPoolItem& rItem);
160  //void ClearItemAndBroadcast(const sal_uInt16 nWhich = 0);
161  void SetMergedItemSetAndBroadcast(const SfxItemSet& rSet, bool bClearAllItems = false);
162 
163  // Just a convenient shortcut for GetObjectItemSet().Get(nWhich).
164  const SfxPoolItem& GetItem(const sal_uInt16 nWhich) const;
165  template<class T> const T& GetItem(TypedWhichId<T> nWhich) const
166  {
167  return static_cast<const T&>(GetItem(sal_uInt16(nWhich)));
168  }
169 
170  // support for convenient broadcasting. Used from SetMergedItemAndBroadcast(),
171  // ClearItemAndBroadcast() and SetItemSetAndBroadcast(), see above.
172  // But also from inside SdrObjects.
173  void BroadcastItemChange(const ItemChangeBroadcaster& rChange);
174 
175  // #i101556# add versioning mechanism; used from e.g. text attribute set to
176  // allow detection of e.g. style sheet or single text attribute changes. The
177  // default implementation returns 0 (zero)
178  virtual sal_uInt32 getVersion() const;
179 
180  virtual void dumpAsXml(xmlTextWriterPtr pWriter) const;
181  };
182 
183  // checks the FillStyle item and removes unneeded Gradient, FillBitmap and Hatch items
185 
186 } // end of namespace sdr::properties
187 
188 #endif // INCLUDED_SVX_SDR_PROPERTIES_PROPERTIES_HXX
189 
190 /* 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:148
Reference< XAnimationNode > Clone(const Reference< XAnimationNode > &xSourceNode, const SdPage *pSource, const SdPage *pTarget)
Abstract DrawObject.
Definition: svdobj.hxx:259
#define SVXCORE_DLLPUBLIC
Definition: svxdllapi.h:35
const T & GetItem(TypedWhichId< T > nWhich) const
Definition: properties.hxx:165