Line data Source code
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 0 : OLocalExchange::OLocalExchange( )
40 : :m_bDragging( false )
41 0 : ,m_bClipboardOwner( false )
42 : {
43 0 : }
44 :
45 :
46 0 : void OLocalExchange::copyToClipboard( vcl::Window* _pWindow, const GrantAccess& )
47 : {
48 0 : if ( m_bClipboardOwner )
49 : { // simulate a lostOwnership to notify parties interested in
50 0 : if ( m_aClipboardListener.IsSet() )
51 0 : m_aClipboardListener.Call( this );
52 : }
53 :
54 0 : m_bClipboardOwner = true;
55 0 : CopyToClipboard( _pWindow );
56 0 : }
57 :
58 :
59 0 : void OLocalExchange::clear()
60 : {
61 0 : if ( isClipboardOwner() )
62 : {
63 : try
64 : {
65 0 : Reference< clipboard::XClipboard > xClipBoard( getOwnClipboard() );
66 0 : if ( xClipBoard.is() )
67 0 : xClipBoard->setContents( NULL, NULL );
68 : }
69 0 : catch( const Exception& )
70 : {
71 : DBG_UNHANDLED_EXCEPTION();
72 : }
73 0 : m_bClipboardOwner = false;
74 : }
75 0 : }
76 :
77 :
78 0 : void SAL_CALL OLocalExchange::lostOwnership( const Reference< clipboard::XClipboard >& _rxClipboard, const Reference< XTransferable >& _rxTrans ) throw(RuntimeException, std::exception)
79 : {
80 0 : TransferableHelper::implCallOwnLostOwnership( _rxClipboard, _rxTrans );
81 0 : m_bClipboardOwner = false;
82 :
83 0 : if ( m_aClipboardListener.IsSet() )
84 0 : m_aClipboardListener.Call( this );
85 0 : }
86 :
87 :
88 0 : void OLocalExchange::startDrag( vcl::Window* _pWindow, sal_Int8 _nDragSourceActions, const GrantAccess& )
89 : {
90 0 : m_bDragging = true;
91 0 : StartDrag( _pWindow, _nDragSourceActions );
92 0 : }
93 :
94 :
95 0 : void OLocalExchange::DragFinished( sal_Int8 nDropAction )
96 : {
97 0 : TransferableHelper::DragFinished( nDropAction );
98 0 : m_bDragging = false;
99 0 : }
100 :
101 :
102 0 : bool OLocalExchange::hasFormat( const DataFlavorExVector& _rFormats, sal_uInt32 _nFormatId )
103 : {
104 0 : DataFlavorExVector::const_iterator aSearch;
105 :
106 0 : for ( aSearch = _rFormats.begin(); aSearch != _rFormats.end(); ++aSearch )
107 0 : if ( aSearch->mnSotId == _nFormatId )
108 0 : break;
109 :
110 0 : return aSearch != _rFormats.end();
111 : }
112 :
113 :
114 0 : bool OLocalExchange::GetData( const css::datatransfer::DataFlavor& /*_rFlavor*/, const OUString& /*rDestDoc*/ )
115 : {
116 0 : return false; // do not have any formats by default
117 : }
118 :
119 0 : OControlTransferData::OControlTransferData( )
120 0 : :m_pFocusEntry( NULL )
121 : {
122 0 : }
123 :
124 :
125 0 : OControlTransferData::OControlTransferData( const Reference< XTransferable >& _rxTransferable )
126 0 : :m_pFocusEntry( NULL )
127 : {
128 0 : TransferableDataHelper aExchangedData( _rxTransferable );
129 :
130 : // try the formats we know
131 0 : if ( OControlExchange::hasControlPathFormat( aExchangedData.GetDataFlavorExVector() ) )
132 : { // paths to the controls, relative to a root
133 0 : Sequence< Any > aControlPathData;
134 0 : if ( aExchangedData.GetAny(OControlExchange::getControlPathFormatId(), OUString()) >>= aControlPathData )
135 : {
136 : DBG_ASSERT( aControlPathData.getLength() >= 2, "OControlTransferData::OControlTransferData: invalid data for the control path format!" );
137 0 : if ( aControlPathData.getLength() >= 2 )
138 : {
139 0 : aControlPathData[0] >>= m_xFormsRoot;
140 0 : aControlPathData[1] >>= m_aControlPaths;
141 : }
142 : }
143 : else
144 : {
145 : OSL_FAIL( "OControlTransferData::OControlTransferData: invalid data for the control path format (2)!" );
146 0 : }
147 : }
148 0 : if ( OControlExchange::hasHiddenControlModelsFormat( aExchangedData.GetDataFlavorExVector() ) )
149 : { // sequence of models of hidden controls
150 0 : aExchangedData.GetAny(OControlExchange::getHiddenControlModelsFormatId(), OUString()) >>= m_aHiddenControlModels;
151 : }
152 :
153 0 : updateFormats( );
154 0 : }
155 :
156 :
157 0 : static bool lcl_fillDataFlavorEx( SotFormatStringId nId, DataFlavorEx& _rFlavor )
158 : {
159 0 : _rFlavor.mnSotId = nId;
160 0 : return SotExchange::GetFormatDataFlavor( _rFlavor.mnSotId, _rFlavor );
161 : }
162 :
163 :
164 0 : void OControlTransferData::updateFormats( )
165 : {
166 0 : m_aCurrentFormats.clear();
167 0 : m_aCurrentFormats.reserve( 3 );
168 :
169 0 : DataFlavorEx aFlavor;
170 :
171 0 : if ( m_aHiddenControlModels.getLength() )
172 : {
173 0 : if ( lcl_fillDataFlavorEx( OControlExchange::getHiddenControlModelsFormatId(), aFlavor ) )
174 0 : m_aCurrentFormats.push_back( aFlavor );
175 : }
176 :
177 0 : if ( m_xFormsRoot.is() && m_aControlPaths.getLength() )
178 : {
179 0 : if ( lcl_fillDataFlavorEx( OControlExchange::getControlPathFormatId(), aFlavor ) )
180 0 : m_aCurrentFormats.push_back( aFlavor );
181 : }
182 :
183 0 : if ( !m_aSelectedEntries.empty() )
184 : {
185 0 : if ( lcl_fillDataFlavorEx( OControlExchange::getFieldExchangeFormatId(), aFlavor ) )
186 0 : m_aCurrentFormats.push_back( aFlavor );
187 0 : }
188 0 : }
189 :
190 :
191 0 : size_t OControlTransferData::onEntryRemoved( SvTreeListEntry* _pEntry )
192 : {
193 0 : m_aSelectedEntries.erase( _pEntry );
194 0 : return m_aSelectedEntries.size();
195 : }
196 :
197 :
198 0 : void OControlTransferData::addSelectedEntry( SvTreeListEntry* _pEntry )
199 : {
200 0 : m_aSelectedEntries.insert( _pEntry );
201 0 : }
202 :
203 :
204 0 : void OControlTransferData::setFocusEntry( SvTreeListEntry* _pFocusEntry )
205 : {
206 0 : m_pFocusEntry = _pFocusEntry;
207 0 : }
208 :
209 :
210 0 : void OControlTransferData::addHiddenControlsFormat(const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > >& seqInterfaces)
211 : {
212 0 : m_aHiddenControlModels = seqInterfaces;
213 0 : }
214 :
215 :
216 0 : void OControlTransferData::buildPathFormat(SvTreeListBox* pTreeBox, SvTreeListEntry* pRoot)
217 : {
218 0 : m_aControlPaths.realloc(0);
219 :
220 0 : sal_Int32 nEntryCount = m_aSelectedEntries.size();
221 0 : if (nEntryCount == 0)
222 0 : return;
223 :
224 0 : m_aControlPaths.realloc(nEntryCount);
225 0 : ::com::sun::star::uno::Sequence<sal_uInt32>* pAllPaths = m_aControlPaths.getArray();
226 0 : for ( ListBoxEntrySet::const_iterator loop = m_aSelectedEntries.begin();
227 0 : loop != m_aSelectedEntries.end();
228 : ++loop, ++pAllPaths
229 : )
230 : {
231 : // erst mal sammeln wir den Pfad in einem Array ein
232 0 : ::std::vector< sal_uInt32 > aCurrentPath;
233 0 : SvTreeListEntry* pCurrentEntry = *loop;
234 :
235 0 : SvTreeListEntry* pLoop = pCurrentEntry;
236 0 : while (pLoop != pRoot)
237 : {
238 0 : aCurrentPath.push_back(pLoop->GetChildListPos());
239 0 : pLoop = pTreeBox->GetParent(pLoop);
240 : DBG_ASSERT((pLoop != NULL) || (pRoot == 0), "OControlTransferData::buildPathFormat: invalid root or entry !");
241 : // pLoop == NULL heisst, dass ich am oberen Ende angelangt bin, dann sollte das Ganze abbrechen, was nur bei pRoot == NULL der Fall sein wird
242 : }
243 :
244 : // dann koennen wir ihn in die ::com::sun::star::uno::Sequence uebertragen
245 0 : Sequence<sal_uInt32>& rCurrentPath = *pAllPaths;
246 0 : sal_Int32 nDepth = aCurrentPath.size();
247 :
248 0 : rCurrentPath.realloc(nDepth);
249 0 : sal_uInt32* pSeq = rCurrentPath.getArray();
250 : sal_Int32 j,k;
251 0 : for (j = nDepth - 1, k = 0; k<nDepth; --j, ++k)
252 0 : pSeq[j] = aCurrentPath[k];
253 0 : }
254 : }
255 :
256 :
257 0 : void OControlTransferData::buildListFromPath(SvTreeListBox* pTreeBox, SvTreeListEntry* pRoot)
258 : {
259 0 : ListBoxEntrySet aEmpty;
260 0 : m_aSelectedEntries.swap( aEmpty );
261 :
262 0 : sal_Int32 nControls = m_aControlPaths.getLength();
263 0 : const ::com::sun::star::uno::Sequence<sal_uInt32>* pPaths = m_aControlPaths.getConstArray();
264 0 : for (sal_Int32 i=0; i<nControls; ++i)
265 : {
266 0 : sal_Int32 nThisPatLength = pPaths[i].getLength();
267 0 : const sal_uInt32* pThisPath = pPaths[i].getConstArray();
268 0 : SvTreeListEntry* pSearch = pRoot;
269 0 : for (sal_Int32 j=0; j<nThisPatLength; ++j)
270 0 : pSearch = pTreeBox->GetEntry(pSearch, pThisPath[j]);
271 :
272 0 : m_aSelectedEntries.insert( pSearch );
273 0 : }
274 0 : }
275 :
276 0 : OControlExchange::OControlExchange( )
277 : {
278 0 : }
279 :
280 :
281 0 : bool OControlExchange::GetData( const DataFlavor& _rFlavor, const OUString& rDestDoc )
282 : {
283 0 : const sal_uInt32 nFormatId = SotExchange::GetFormat( _rFlavor );
284 :
285 0 : if ( getControlPathFormatId( ) == nFormatId )
286 : {
287 : // ugly. We have to pack all the info into one object
288 0 : Sequence< Any > aCompleteInfo( 2 );
289 : OSL_ENSURE( m_xFormsRoot.is(), "OLocalExchange::GetData: invalid forms root for this format!" );
290 0 : aCompleteInfo.getArray()[ 0 ] <<= m_xFormsRoot;
291 0 : aCompleteInfo.getArray()[ 1 ] <<= m_aControlPaths;
292 :
293 0 : SetAny( makeAny( aCompleteInfo ), _rFlavor );
294 : }
295 0 : else if ( getHiddenControlModelsFormatId() == nFormatId )
296 : {
297 : // just need to transfer the models
298 0 : SetAny( makeAny( m_aHiddenControlModels ), _rFlavor );
299 : }
300 : else
301 0 : return OLocalExchange::GetData(_rFlavor, rDestDoc);
302 :
303 0 : return true;
304 : }
305 :
306 :
307 0 : void OControlExchange::AddSupportedFormats()
308 : {
309 0 : if (m_pFocusEntry && !m_aSelectedEntries.empty())
310 0 : AddFormat(getFieldExchangeFormatId());
311 :
312 0 : if (m_aControlPaths.getLength())
313 0 : AddFormat(getControlPathFormatId());
314 :
315 0 : if (m_aHiddenControlModels.getLength())
316 0 : AddFormat(getHiddenControlModelsFormatId());
317 0 : }
318 :
319 :
320 0 : sal_uInt32 OControlExchange::getControlPathFormatId()
321 : {
322 : static sal_uInt32 s_nFormat = (sal_uInt32)-1;
323 0 : if ((sal_uInt32)-1 == s_nFormat)
324 : {
325 0 : s_nFormat = SotExchange::RegisterFormatName(OUString("application/x-openoffice;windows_formatname=\"svxform.ControlPathExchange\""));
326 : DBG_ASSERT((sal_uInt32)-1 != s_nFormat, "OControlExchange::getControlPathFormatId: bad exchange id!");
327 : }
328 0 : return s_nFormat;
329 : }
330 :
331 :
332 0 : sal_uInt32 OControlExchange::getHiddenControlModelsFormatId()
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.HiddenControlModelsExchange\""));
338 : DBG_ASSERT((sal_uInt32)-1 != s_nFormat, "OControlExchange::getHiddenControlModelsFormatId: bad exchange id!");
339 : }
340 0 : return s_nFormat;
341 : }
342 :
343 :
344 0 : sal_uInt32 OControlExchange::getFieldExchangeFormatId()
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.FieldNameExchange\""));
350 : DBG_ASSERT((sal_uInt32)-1 != s_nFormat, "OControlExchange::getFieldExchangeFormatId: bad exchange id!");
351 : }
352 0 : return s_nFormat;
353 : }
354 :
355 :
356 : //= OControlExchangeHelper
357 :
358 0 : OLocalExchange* OControlExchangeHelper::createExchange() const
359 : {
360 0 : return new OControlExchange;
361 : }
362 :
363 0 : OLocalExchangeHelper::OLocalExchangeHelper(vcl::Window* _pDragSource)
364 : :m_pDragSource(_pDragSource)
365 0 : ,m_pTransferable(NULL)
366 : {
367 0 : }
368 :
369 :
370 0 : OLocalExchangeHelper::~OLocalExchangeHelper()
371 : {
372 0 : implReset();
373 0 : }
374 :
375 :
376 0 : void OLocalExchangeHelper::startDrag( sal_Int8 nDragSourceActions )
377 : {
378 : DBG_ASSERT(m_pTransferable, "OLocalExchangeHelper::startDrag: not prepared!");
379 0 : m_pTransferable->startDrag( m_pDragSource, nDragSourceActions, OLocalExchange::GrantAccess() );
380 0 : }
381 :
382 :
383 0 : void OLocalExchangeHelper::copyToClipboard( ) const
384 : {
385 : DBG_ASSERT( m_pTransferable, "OLocalExchangeHelper::copyToClipboard: not prepared!" );
386 0 : m_pTransferable->copyToClipboard( m_pDragSource, OLocalExchange::GrantAccess() );
387 0 : }
388 :
389 :
390 0 : void OLocalExchangeHelper::implReset()
391 : {
392 0 : if (m_pTransferable)
393 : {
394 0 : m_pTransferable->setClipboardListener( Link() );
395 0 : m_pTransferable->release();
396 0 : m_pTransferable = NULL;
397 : }
398 0 : }
399 :
400 :
401 0 : void OLocalExchangeHelper::prepareDrag( )
402 : {
403 : DBG_ASSERT(!m_pTransferable || !m_pTransferable->isDragging(), "OLocalExchangeHelper::prepareDrag: recursive DnD?");
404 :
405 0 : implReset();
406 0 : m_pTransferable = createExchange();
407 0 : m_pTransferable->acquire();
408 0 : }
409 :
410 :
411 651 : }
412 :
413 :
414 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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