1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
|
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _SVX_FMEXCH_HXX
#define _SVX_FMEXCH_HXX
#include <comphelper/stl_types.hxx>
#include <svtools/transfer.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/container/XNameContainer.hpp>
#include <tools/link.hxx>
#include <svx/svxdllapi.h>
class FmFormShell;
class FmFormPage;
class SvLBoxEntry;
//========================================================================
// Exchange types
#define SVX_FM_FIELD_EXCH String("SvxFormFieldExch", sizeof("SvxFormFieldExch"))
#define SVX_FM_CONTROL_EXCH String("SvxFormExplCtrlExch", sizeof("SvxFormExplCtrlExch"))
#define SVX_FM_CONTROLS_AS_PATH String("SvxFormControlsAsPathExchange", sizeof("SvxFormControlsAsPathExchange"))
#define SVX_FM_HIDDEN_CONTROLS String("SvxFormHiddenControlsExchange", sizeof("SvxFormHiddenControlsExchange"))
#define SVX_FM_FILTER_FIELDS String("SvxFilterFieldExchange", sizeof("SvxFilterFieldExchange"))
//========================================================================
class SvTreeListBox;
//........................................................................
namespace svxform
{
//........................................................................
//====================================================================
typedef ::std::set< SvLBoxEntry* > ListBoxEntrySet;
//====================================================================
//= OLocalExchange
//====================================================================
class SVX_DLLPUBLIC OLocalExchange : public TransferableHelper
{
private:
Link m_aClipboardListener;
sal_Bool m_bDragging : 1;
sal_Bool m_bClipboardOwner : 1;
public:
class GrantAccess
{
friend class OLocalExchangeHelper;
};
public:
OLocalExchange( );
sal_Bool isDragging() const { return m_bDragging; }
sal_Bool isClipboardOwner() const { return m_bClipboardOwner; }
void startDrag( Window* pWindow, sal_Int8 nDragSourceActions, const GrantAccess& );
void copyToClipboard( Window* _pWindow, const GrantAccess& );
void setClipboardListener( const Link& _rListener ) { m_aClipboardListener = _rListener; }
void clear();
static sal_Bool hasFormat( const DataFlavorExVector& _rFormats, sal_uInt32 _nFormatId );
protected:
// XClipboardOwner
virtual void SAL_CALL lostOwnership( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard >& _rxClipboard, const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& _rxTrans ) throw(::com::sun::star::uno::RuntimeException);
// TransferableHelper
virtual void DragFinished( sal_Int8 nDropAction );
virtual sal_Bool GetData( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
private:
void StartDrag( Window* pWindow, sal_Int8 nDragSourceActions, sal_Int32 nDragPointer = DND_POINTER_NONE, sal_Int32 nDragImage = DND_IMAGE_NONE )
{ // don't allow this base class method to be called from outside
TransferableHelper::StartDrag(pWindow, nDragSourceActions, nDragPointer, nDragImage);
}
};
//====================================================================
//= OLocalExchangeHelper
//====================================================================
/// a helper for navigator windows (SvTreeListBox'es) which allow DnD within themself
class SVX_DLLPUBLIC OLocalExchangeHelper
{
protected:
Window* m_pDragSource;
OLocalExchange* m_pTransferable;
public:
OLocalExchangeHelper( Window* _pDragSource );
virtual ~OLocalExchangeHelper();
void prepareDrag( );
void startDrag( sal_Int8 nDragSourceActions );
void copyToClipboard( ) const;
inline sal_Bool isDragSource() const { return m_pTransferable && m_pTransferable->isDragging(); }
inline sal_Bool isClipboardOwner() const { return m_pTransferable && m_pTransferable->isClipboardOwner(); }
inline sal_Bool isDataExchangeActive( ) const { return isDragSource() || isClipboardOwner(); }
inline void clear() { if ( isDataExchangeActive() ) m_pTransferable->clear(); }
SVX_DLLPRIVATE void setClipboardListener( const Link& _rListener ) { if ( m_pTransferable ) m_pTransferable->setClipboardListener( _rListener ); }
protected:
SVX_DLLPRIVATE virtual OLocalExchange* createExchange() const = 0;
protected:
SVX_DLLPRIVATE void implReset();
};
//====================================================================
//= OControlTransferData
//====================================================================
class OControlTransferData
{
private:
typedef ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< sal_uInt32 > > ControlPaths;
private:
DataFlavorExVector m_aCurrentFormats;
protected:
ListBoxEntrySet m_aSelectedEntries;
ControlPaths m_aControlPaths;
::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > >
m_aHiddenControlModels;
::com::sun::star::uno::Reference< ::com::sun::star::container::XNameContainer >
m_xFormsRoot; // the root of the forms collection where the entries we represent reside
// this uniquely identifies the page and the document
SvLBoxEntry* m_pFocusEntry;
protected:
// updates m_aCurrentFormats with all formats we currently could supply
void updateFormats( );
public:
OControlTransferData( );
// ctor to construct the data from an arbitrary Transferable (usually clipboard data)
OControlTransferData(
const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& _rxTransferable
);
inline const DataFlavorExVector& GetDataFlavorExVector() const;
void addSelectedEntry( SvLBoxEntry* _pEntry );
void setFocusEntry( SvLBoxEntry* _pFocusEntry );
/** notifies the data transfer object that a certain entry has been removed from the owning tree
In case the removed entry is part of the transfer object's selection, the entry is removed from
the selection.
@param _pEntry
@return the number of entries remaining in the selection.
*/
size_t onEntryRemoved( SvLBoxEntry* _pEntry );
void setFormsRoot(
const ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameContainer >& _rxFormsRoot
) { m_xFormsRoot = _rxFormsRoot; }
void buildPathFormat(SvTreeListBox* pTreeBox, SvLBoxEntry* pRoot);
// baut aus m_aSelectedEntries m_aControlPaths auf
// (es wird davon ausgegangen, dass die Eintraege in m_aSelectedEntries sortiert sind in Bezug auf die Nachbar-Beziehung)
void buildListFromPath(SvTreeListBox* pTreeBox, SvLBoxEntry* pRoot);
// der umgekehrte Weg : wirft alles aus m_aSelectedEntries weg und baut es mittels m_aControlPaths neu auf
void addHiddenControlsFormat(const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > > seqInterfaces);
// fuegt ein SVX_FML_HIDDEN_CONTROLS-Format hinzu und merk sich dafuer die uebergebenen Interfaces
// (es erfolgt KEINE Ueberpruefung, ob dadurch auch tatsaechlich nur hidden Controls bezeichnet werden, dass muss der
// Aufrufer sicherstellen)
SvLBoxEntry* focused() const { return m_pFocusEntry; }
const ListBoxEntrySet& selected() const { return m_aSelectedEntries; }
::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > >
hiddenControls() const { return m_aHiddenControlModels; }
::com::sun::star::uno::Reference< ::com::sun::star::container::XNameContainer >
getFormsRoot() const { return m_xFormsRoot; }
};
//====================================================================
inline const DataFlavorExVector& OControlTransferData::GetDataFlavorExVector() const
{
const_cast< OControlTransferData* >( this )->updateFormats( );
return m_aCurrentFormats;
}
//====================================================================
//= OControlExchange
//====================================================================
class OControlExchange : public OLocalExchange, public OControlTransferData
{
public:
OControlExchange( );
public:
static sal_uInt32 getFieldExchangeFormatId( );
static sal_uInt32 getControlPathFormatId( );
static sal_uInt32 getHiddenControlModelsFormatId( );
inline static sal_Bool hasFieldExchangeFormat( const DataFlavorExVector& _rFormats );
inline static sal_Bool hasControlPathFormat( const DataFlavorExVector& _rFormats );
inline static sal_Bool hasHiddenControlModelsFormat( const DataFlavorExVector& _rFormats );
protected:
virtual sal_Bool GetData( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
virtual void AddSupportedFormats();
};
//====================================================================
//= OControlExchangeHelper
//====================================================================
class OControlExchangeHelper : public OLocalExchangeHelper
{
public:
OControlExchangeHelper(Window* _pDragSource) : OLocalExchangeHelper(_pDragSource) { }
OControlExchange* operator->() const { return static_cast< OControlExchange* >( m_pTransferable ); }
OControlExchange& operator*() const { return *static_cast< OControlExchange* >( m_pTransferable ); }
protected:
virtual OLocalExchange* createExchange() const;
};
//====================================================================
//====================================================================
inline sal_Bool OControlExchange::hasFieldExchangeFormat( const DataFlavorExVector& _rFormats )
{
return hasFormat( _rFormats, getFieldExchangeFormatId() );
}
inline sal_Bool OControlExchange::hasControlPathFormat( const DataFlavorExVector& _rFormats )
{
return hasFormat( _rFormats, getControlPathFormatId() );
}
inline sal_Bool OControlExchange::hasHiddenControlModelsFormat( const DataFlavorExVector& _rFormats )
{
return hasFormat( _rFormats, getHiddenControlModelsFormatId() );
}
//........................................................................
} // namespace svxform
//........................................................................
#endif
|
