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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 : #include "fmexch.hxx"
21 :
22 : #include <sot/storage.hxx>
23 : #include <svl/itempool.hxx>
24 :
25 : #include <sot/formats.hxx>
26 : #include <svtools/treelistbox.hxx>
27 : #include "svtools/treelistentry.hxx"
28 : #include <tools/diagnose_ex.h>
29 :
30 :
31 :
32 : namespace svxform
33 : {
34 :
35 :
36 : using namespace ::com::sun::star::uno;
37 : using namespace ::com::sun::star::datatransfer;
38 :
39 :
40 : //= OLocalExchange
41 :
42 :
43 0 : OLocalExchange::OLocalExchange( )
44 : :m_bDragging( sal_False )
45 0 : ,m_bClipboardOwner( sal_False )
46 : {
47 0 : }
48 :
49 :
50 0 : void OLocalExchange::copyToClipboard( Window* _pWindow, const GrantAccess& )
51 : {
52 0 : if ( m_bClipboardOwner )
53 : { // simulate a lostOwnership to notify parties interested in
54 0 : if ( m_aClipboardListener.IsSet() )
55 0 : m_aClipboardListener.Call( this );
56 : }
57 :
58 0 : m_bClipboardOwner = sal_True;
59 0 : CopyToClipboard( _pWindow );
60 0 : }
61 :
62 :
63 0 : void OLocalExchange::clear()
64 : {
65 0 : if ( isClipboardOwner() )
66 : {
67 : try
68 : {
69 0 : Reference< clipboard::XClipboard > xClipBoard( getOwnClipboard() );
70 0 : if ( xClipBoard.is() )
71 0 : xClipBoard->setContents( NULL, NULL );
72 : }
73 0 : catch( const Exception& )
74 : {
75 : DBG_UNHANDLED_EXCEPTION();
76 : }
77 0 : m_bClipboardOwner = sal_False;
78 : }
79 0 : }
80 :
81 :
82 0 : void SAL_CALL OLocalExchange::lostOwnership( const Reference< clipboard::XClipboard >& _rxClipboard, const Reference< XTransferable >& _rxTrans ) throw(RuntimeException, std::exception)
83 : {
84 0 : TransferableHelper::implCallOwnLostOwnership( _rxClipboard, _rxTrans );
85 0 : m_bClipboardOwner = sal_False;
86 :
87 0 : if ( m_aClipboardListener.IsSet() )
88 0 : m_aClipboardListener.Call( this );
89 0 : }
90 :
91 :
92 0 : void OLocalExchange::startDrag( Window* _pWindow, sal_Int8 _nDragSourceActions, const GrantAccess& )
93 : {
94 0 : m_bDragging = sal_True;
95 0 : StartDrag( _pWindow, _nDragSourceActions );
96 0 : }
97 :
98 :
99 0 : void OLocalExchange::DragFinished( sal_Int8 nDropAction )
100 : {
101 0 : TransferableHelper::DragFinished( nDropAction );
102 0 : m_bDragging = sal_False;
103 0 : }
104 :
105 :
106 0 : sal_Bool OLocalExchange::hasFormat( const DataFlavorExVector& _rFormats, sal_uInt32 _nFormatId )
107 : {
108 0 : DataFlavorExVector::const_iterator aSearch;
109 :
110 0 : for ( aSearch = _rFormats.begin(); aSearch != _rFormats.end(); ++aSearch )
111 0 : if ( aSearch->mnSotId == _nFormatId )
112 0 : break;
113 :
114 0 : return aSearch != _rFormats.end();
115 : }
116 :
117 :
118 0 : bool OLocalExchange::GetData( const ::com::sun::star::datatransfer::DataFlavor& /*_rFlavor*/ )
119 : {
120 0 : return false; // do not have any formats by default
121 : }
122 :
123 :
124 : //= OControlTransferData
125 :
126 :
127 0 : OControlTransferData::OControlTransferData( )
128 0 : :m_pFocusEntry( NULL )
129 : {
130 0 : }
131 :
132 :
133 0 : OControlTransferData::OControlTransferData( const Reference< XTransferable >& _rxTransferable )
134 0 : :m_pFocusEntry( NULL )
135 : {
136 0 : TransferableDataHelper aExchangedData( _rxTransferable );
137 :
138 : // try the formats we know
139 0 : if ( OControlExchange::hasControlPathFormat( aExchangedData.GetDataFlavorExVector() ) )
140 : { // paths to the controls, relative to a root
141 0 : Sequence< Any > aControlPathData;
142 0 : if ( aExchangedData.GetAny( OControlExchange::getControlPathFormatId() ) >>= aControlPathData )
143 : {
144 : DBG_ASSERT( aControlPathData.getLength() >= 2, "OControlTransferData::OControlTransferData: invalid data for the control path format!" );
145 0 : if ( aControlPathData.getLength() >= 2 )
146 : {
147 0 : aControlPathData[0] >>= m_xFormsRoot;
148 0 : aControlPathData[1] >>= m_aControlPaths;
149 : }
150 : }
151 : else
152 : {
153 : OSL_FAIL( "OControlTransferData::OControlTransferData: invalid data for the control path format (2)!" );
154 0 : }
155 : }
156 0 : if ( OControlExchange::hasHiddenControlModelsFormat( aExchangedData.GetDataFlavorExVector() ) )
157 : { // sequence of models of hidden controls
158 0 : aExchangedData.GetAny( OControlExchange::getHiddenControlModelsFormatId() ) >>= m_aHiddenControlModels;
159 : }
160 :
161 0 : updateFormats( );
162 0 : }
163 :
164 :
165 0 : static sal_Bool lcl_fillDataFlavorEx( SotFormatStringId nId, DataFlavorEx& _rFlavor )
166 : {
167 0 : _rFlavor.mnSotId = nId;
168 0 : return SotExchange::GetFormatDataFlavor( _rFlavor.mnSotId, _rFlavor );
169 : }
170 :
171 :
172 0 : void OControlTransferData::updateFormats( )
173 : {
174 0 : m_aCurrentFormats.clear();
175 0 : m_aCurrentFormats.reserve( 3 );
176 :
177 0 : DataFlavorEx aFlavor;
178 :
179 0 : if ( m_aHiddenControlModels.getLength() )
180 : {
181 0 : if ( lcl_fillDataFlavorEx( OControlExchange::getHiddenControlModelsFormatId(), aFlavor ) )
182 0 : m_aCurrentFormats.push_back( aFlavor );
183 : }
184 :
185 0 : if ( m_xFormsRoot.is() && m_aControlPaths.getLength() )
186 : {
187 0 : if ( lcl_fillDataFlavorEx( OControlExchange::getControlPathFormatId(), aFlavor ) )
188 0 : m_aCurrentFormats.push_back( aFlavor );
189 : }
190 :
191 0 : if ( !m_aSelectedEntries.empty() )
192 : {
193 0 : if ( lcl_fillDataFlavorEx( OControlExchange::getFieldExchangeFormatId(), aFlavor ) )
194 0 : m_aCurrentFormats.push_back( aFlavor );
195 0 : }
196 0 : }
197 :
198 :
199 0 : size_t OControlTransferData::onEntryRemoved( SvTreeListEntry* _pEntry )
200 : {
201 0 : m_aSelectedEntries.erase( _pEntry );
202 0 : return m_aSelectedEntries.size();
203 : }
204 :
205 :
206 0 : void OControlTransferData::addSelectedEntry( SvTreeListEntry* _pEntry )
207 : {
208 0 : m_aSelectedEntries.insert( _pEntry );
209 0 : }
210 :
211 :
212 0 : void OControlTransferData::setFocusEntry( SvTreeListEntry* _pFocusEntry )
213 : {
214 0 : m_pFocusEntry = _pFocusEntry;
215 0 : }
216 :
217 :
218 0 : void OControlTransferData::addHiddenControlsFormat(const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > > seqInterfaces)
219 : {
220 0 : m_aHiddenControlModels = seqInterfaces;
221 0 : }
222 :
223 :
224 0 : void OControlTransferData::buildPathFormat(SvTreeListBox* pTreeBox, SvTreeListEntry* pRoot)
225 : {
226 0 : m_aControlPaths.realloc(0);
227 :
228 0 : sal_Int32 nEntryCount = m_aSelectedEntries.size();
229 0 : if (nEntryCount == 0)
230 0 : return;
231 :
232 0 : m_aControlPaths.realloc(nEntryCount);
233 0 : ::com::sun::star::uno::Sequence<sal_uInt32>* pAllPaths = m_aControlPaths.getArray();
234 0 : for ( ListBoxEntrySet::const_iterator loop = m_aSelectedEntries.begin();
235 0 : loop != m_aSelectedEntries.end();
236 : ++loop, ++pAllPaths
237 : )
238 : {
239 : // erst mal sammeln wir den Pfad in einem Array ein
240 0 : ::std::vector< sal_uInt32 > aCurrentPath;
241 0 : SvTreeListEntry* pCurrentEntry = *loop;
242 :
243 0 : SvTreeListEntry* pLoop = pCurrentEntry;
244 0 : while (pLoop != pRoot)
245 : {
246 0 : aCurrentPath.push_back(pLoop->GetChildListPos());
247 0 : pLoop = pTreeBox->GetParent(pLoop);
248 : DBG_ASSERT((pLoop != NULL) || (pRoot == 0), "OControlTransferData::buildPathFormat: invalid root or entry !");
249 : // pLoop == NULL heisst, dass ich am oberen Ende angelangt bin, dann sollte das Ganze abbrechen, was nur bei pRoot == NULL der Fall sein wird
250 : }
251 :
252 : // dann koennen wir ihn in die ::com::sun::star::uno::Sequence uebertragen
253 0 : Sequence<sal_uInt32>& rCurrentPath = *pAllPaths;
254 0 : sal_Int32 nDepth = aCurrentPath.size();
255 :
256 0 : rCurrentPath.realloc(nDepth);
257 0 : sal_uInt32* pSeq = rCurrentPath.getArray();
258 : sal_Int32 j,k;
259 0 : for (j = nDepth - 1, k = 0; k<nDepth; --j, ++k)
260 0 : pSeq[j] = aCurrentPath[k];
261 0 : }
262 : }
263 :
264 :
265 0 : void OControlTransferData::buildListFromPath(SvTreeListBox* pTreeBox, SvTreeListEntry* pRoot)
266 : {
267 0 : ListBoxEntrySet aEmpty;
268 0 : m_aSelectedEntries.swap( aEmpty );
269 :
270 0 : sal_Int32 nControls = m_aControlPaths.getLength();
271 0 : const ::com::sun::star::uno::Sequence<sal_uInt32>* pPaths = m_aControlPaths.getConstArray();
272 0 : for (sal_Int32 i=0; i<nControls; ++i)
273 : {
274 0 : sal_Int32 nThisPatLength = pPaths[i].getLength();
275 0 : const sal_uInt32* pThisPath = pPaths[i].getConstArray();
276 0 : SvTreeListEntry* pSearch = pRoot;
277 0 : for (sal_Int32 j=0; j<nThisPatLength; ++j)
278 0 : pSearch = pTreeBox->GetEntry(pSearch, pThisPath[j]);
279 :
280 0 : m_aSelectedEntries.insert( pSearch );
281 0 : }
282 0 : }
283 :
284 :
285 : //= OControlExchange
286 :
287 :
288 0 : OControlExchange::OControlExchange( )
289 : {
290 0 : }
291 :
292 :
293 0 : bool OControlExchange::GetData( const DataFlavor& _rFlavor )
294 : {
295 0 : const sal_uInt32 nFormatId = SotExchange::GetFormat( _rFlavor );
296 :
297 0 : if ( getControlPathFormatId( ) == nFormatId )
298 : {
299 : // ugly. We have to pack all the info into one object
300 0 : Sequence< Any > aCompleteInfo( 2 );
301 : OSL_ENSURE( m_xFormsRoot.is(), "OLocalExchange::GetData: invalid forms root for this format!" );
302 0 : aCompleteInfo.getArray()[ 0 ] <<= m_xFormsRoot;
303 0 : aCompleteInfo.getArray()[ 1 ] <<= m_aControlPaths;
304 :
305 0 : SetAny( makeAny( aCompleteInfo ), _rFlavor );
306 : }
307 0 : else if ( getHiddenControlModelsFormatId() == nFormatId )
308 : {
309 : // just need to transfer the models
310 0 : SetAny( makeAny( m_aHiddenControlModels ), _rFlavor );
311 : }
312 : else
313 0 : return OLocalExchange::GetData( _rFlavor );
314 :
315 0 : return true;
316 : }
317 :
318 :
319 0 : void OControlExchange::AddSupportedFormats()
320 : {
321 0 : if (m_pFocusEntry && !m_aSelectedEntries.empty())
322 0 : AddFormat(getFieldExchangeFormatId());
323 :
324 0 : if (m_aControlPaths.getLength())
325 0 : AddFormat(getControlPathFormatId());
326 :
327 0 : if (m_aHiddenControlModels.getLength())
328 0 : AddFormat(getHiddenControlModelsFormatId());
329 0 : }
330 :
331 :
332 0 : sal_uInt32 OControlExchange::getControlPathFormatId()
333 : {
334 : static sal_uInt32 s_nFormat = (sal_uInt32)-1;
335 0 : if ((sal_uInt32)-1 == s_nFormat)
336 : {
337 0 : s_nFormat = SotExchange::RegisterFormatName(OUString("application/x-openoffice;windows_formatname=\"svxform.ControlPathExchange\""));
338 : DBG_ASSERT((sal_uInt32)-1 != s_nFormat, "OControlExchange::getControlPathFormatId: bad exchange id!");
339 : }
340 0 : return s_nFormat;
341 : }
342 :
343 :
344 0 : sal_uInt32 OControlExchange::getHiddenControlModelsFormatId()
345 : {
346 : static sal_uInt32 s_nFormat = (sal_uInt32)-1;
347 0 : if ((sal_uInt32)-1 == s_nFormat)
348 : {
349 0 : s_nFormat = SotExchange::RegisterFormatName(OUString("application/x-openoffice;windows_formatname=\"svxform.HiddenControlModelsExchange\""));
350 : DBG_ASSERT((sal_uInt32)-1 != s_nFormat, "OControlExchange::getHiddenControlModelsFormatId: bad exchange id!");
351 : }
352 0 : return s_nFormat;
353 : }
354 :
355 :
356 0 : sal_uInt32 OControlExchange::getFieldExchangeFormatId()
357 : {
358 : static sal_uInt32 s_nFormat = (sal_uInt32)-1;
359 0 : if ((sal_uInt32)-1 == s_nFormat)
360 : {
361 0 : s_nFormat = SotExchange::RegisterFormatName(OUString("application/x-openoffice;windows_formatname=\"svxform.FieldNameExchange\""));
362 : DBG_ASSERT((sal_uInt32)-1 != s_nFormat, "OControlExchange::getFieldExchangeFormatId: bad exchange id!");
363 : }
364 0 : return s_nFormat;
365 : }
366 :
367 :
368 : //= OControlExchangeHelper
369 :
370 0 : OLocalExchange* OControlExchangeHelper::createExchange() const
371 : {
372 0 : return new OControlExchange;
373 : }
374 :
375 :
376 : //= OLocalExchangeHelper
377 :
378 :
379 0 : OLocalExchangeHelper::OLocalExchangeHelper(Window* _pDragSource)
380 : :m_pDragSource(_pDragSource)
381 0 : ,m_pTransferable(NULL)
382 : {
383 0 : }
384 :
385 :
386 0 : OLocalExchangeHelper::~OLocalExchangeHelper()
387 : {
388 0 : implReset();
389 0 : }
390 :
391 :
392 0 : void OLocalExchangeHelper::startDrag( sal_Int8 nDragSourceActions )
393 : {
394 : DBG_ASSERT(m_pTransferable, "OLocalExchangeHelper::startDrag: not prepared!");
395 0 : m_pTransferable->startDrag( m_pDragSource, nDragSourceActions, OLocalExchange::GrantAccess() );
396 0 : }
397 :
398 :
399 0 : void OLocalExchangeHelper::copyToClipboard( ) const
400 : {
401 : DBG_ASSERT( m_pTransferable, "OLocalExchangeHelper::copyToClipboard: not prepared!" );
402 0 : m_pTransferable->copyToClipboard( m_pDragSource, OLocalExchange::GrantAccess() );
403 0 : }
404 :
405 :
406 0 : void OLocalExchangeHelper::implReset()
407 : {
408 0 : if (m_pTransferable)
409 : {
410 0 : m_pTransferable->setClipboardListener( Link() );
411 0 : m_pTransferable->release();
412 0 : m_pTransferable = NULL;
413 : }
414 0 : }
415 :
416 :
417 0 : void OLocalExchangeHelper::prepareDrag( )
418 : {
419 : DBG_ASSERT(!m_pTransferable || !m_pTransferable->isDragging(), "OLocalExchangeHelper::prepareDrag: recursive DnD?");
420 :
421 0 : implReset();
422 0 : m_pTransferable = createExchange();
423 0 : m_pTransferable->acquire();
424 0 : }
425 :
426 :
427 : }
428 :
429 :
430 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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