summaryrefslogtreecommitdiffstats
path: root/dbaccess/source/ui/browser/sbagrid.cxx
blob: d1adbea01ed5b700a3501e632582ef4b62c1f90b (plain)
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
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <core_resource.hxx>

#include <sot/exchange.hxx>

#include <svx/dbaexchange.hxx>
#include <com/sun/star/ui/dialogs/XExecutableDialog.hpp>

#include <sbagrid.hxx>
#include <dlgsize.hxx>
#include <com/sun/star/beans/XPropertyState.hpp>
#include <com/sun/star/form/XForm.hpp>
#include <com/sun/star/container/XIndexContainer.hpp>

#include <com/sun/star/view/XSelectionSupplier.hpp>
#include <com/sun/star/awt/XTextComponent.hpp>
#include <com/sun/star/sdbc/XResultSetUpdate.hpp>
#include <tools/diagnose_ex.h>

#include <svl/numuno.hxx>
#include <toolkit/helper/vclunohelper.hxx>

#include <vcl/svapp.hxx>

#include <cppuhelper/queryinterface.hxx>
#include <connectivity/dbtools.hxx>
#include <comphelper/propertyvalue.hxx>
#include <comphelper/types.hxx>
#include <com/sun/star/sdbc/DataType.hpp>
#include <com/sun/star/sdbc/SQLException.hpp>
#include <strings.hrc>
#include <strings.hxx>
#include <dbexchange.hxx>
#include <svtools/stringtransfer.hxx>
#include <UITools.hxx>
#include <TokenWriter.hxx>
#include <osl/diagnose.h>
#include <algorithm>

using namespace ::com::sun::star::ui::dialogs;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::sdb;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::sdbcx;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::datatransfer;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::view;
using namespace ::com::sun::star::form;
using namespace ::com::sun::star::frame;
using namespace ::com::sun::star::util;
using namespace ::dbaui;
using namespace ::dbtools;
using namespace ::svx;
using namespace ::svt;

extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
com_sun_star_comp_dbu_SbaXGridControl_get_implementation(
    css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& )
{
    return cppu::acquire(new SbaXGridControl(context));
}

css::uno::Sequence<OUString> SAL_CALL SbaXGridControl::getSupportedServiceNames()
{
    return { "com.sun.star.form.control.InteractionGridControl", "com.sun.star.form.control.GridControl",
         "com.sun.star.awt.UnoControl" };
}


// SbaXGridControl

OUString SAL_CALL SbaXGridControl::getImplementationName()
{
    return "com.sun.star.comp.dbu.SbaXGridControl";
}

SbaXGridControl::SbaXGridControl(const Reference< XComponentContext >& _rM)
    : FmXGridControl(_rM)
{
}

SbaXGridControl::~SbaXGridControl()
{
}

rtl::Reference<FmXGridPeer> SbaXGridControl::imp_CreatePeer(vcl::Window* pParent)
{
    rtl::Reference<FmXGridPeer> pReturn = new SbaXGridPeer(m_xContext);

    // translate properties into WinBits
    WinBits nStyle = WB_TABSTOP;
    Reference< XPropertySet >  xModelSet(getModel(), UNO_QUERY);
    if (xModelSet.is())
    {
        try
        {
            if (::comphelper::getINT16(xModelSet->getPropertyValue(PROPERTY_BORDER)))
                nStyle |= WB_BORDER;
        }
        catch(Exception&)
        {
        }

    }

    pReturn->Create(pParent, nStyle);
    return pReturn;
}

Any SAL_CALL SbaXGridControl::queryInterface(const Type& _rType)
{
    Any aRet = FmXGridControl::queryInterface(_rType);
    return aRet.hasValue() ? aRet : ::cppu::queryInterface(_rType,static_cast<css::frame::XDispatch*>(this));
}

Sequence< Type > SAL_CALL SbaXGridControl::getTypes(  )
{
    return comphelper::concatSequences(
        FmXGridControl::getTypes(),
        Sequence { cppu::UnoType<css::frame::XDispatch>::get() });
}

Sequence< sal_Int8 > SAL_CALL SbaXGridControl::getImplementationId(  )
{
    return css::uno::Sequence<sal_Int8>();
}

void SAL_CALL SbaXGridControl::createPeer(const Reference< css::awt::XToolkit > & rToolkit, const Reference< css::awt::XWindowPeer > & rParentPeer)
{
    FmXGridControl::createPeer(rToolkit, rParentPeer);

    OSL_ENSURE(!mbCreatingPeer, "FmXGridControl::createPeer : recursion!");
        // see the base class' createPeer for a comment on this

    // TODO: why the hell this whole class does not use any mutex?

    Reference< css::frame::XDispatch >  xDisp(getPeer(), UNO_QUERY);
    for (auto const& elem : m_aStatusMultiplexer)
    {
        if (elem.second.is() && elem.second->getLength())
            xDisp->addStatusListener(elem.second, elem.first);
    }
}

void SAL_CALL SbaXGridControl::dispatch(const css::util::URL& aURL, const Sequence< PropertyValue >& aArgs)
{
    Reference< css::frame::XDispatch >  xDisp(getPeer(), UNO_QUERY);
    if (xDisp.is())
        xDisp->dispatch(aURL, aArgs);
}

void SAL_CALL SbaXGridControl::addStatusListener( const Reference< XStatusListener > & _rxListener, const URL& _rURL )
{
    ::osl::MutexGuard aGuard( GetMutex() );
    if ( !_rxListener.is() )
        return;

    rtl::Reference<SbaXStatusMultiplexer>& xMultiplexer = m_aStatusMultiplexer[ _rURL ];
    if ( !xMultiplexer.is() )
    {
        xMultiplexer = new SbaXStatusMultiplexer( *this, GetMutex() );
    }

    xMultiplexer->addInterface( _rxListener );
    if ( getPeer().is() )
    {
        if ( 1 == xMultiplexer->getLength() )
        {   // the first external listener for this URL
            Reference< XDispatch >  xDisp( getPeer(), UNO_QUERY );
            xDisp->addStatusListener( xMultiplexer, _rURL );
        }
        else
        {   // already have other listeners for this URL
            _rxListener->statusChanged( xMultiplexer->getLastEvent() );
        }
    }
}

void SAL_CALL SbaXGridControl::removeStatusListener(const Reference< css::frame::XStatusListener > & _rxListener, const css::util::URL& _rURL)
{
    ::osl::MutexGuard aGuard( GetMutex() );

    rtl::Reference<SbaXStatusMultiplexer>& xMultiplexer = m_aStatusMultiplexer[_rURL];
    if (!xMultiplexer.is())
    {
        xMultiplexer = new SbaXStatusMultiplexer(*this,GetMutex());
    }

    if (getPeer().is() && xMultiplexer->getLength() == 1)
    {
        Reference< css::frame::XDispatch >  xDisp(getPeer(), UNO_QUERY);
        xDisp->removeStatusListener(xMultiplexer, _rURL);
    }
    xMultiplexer->removeInterface( _rxListener );
}

void SAL_CALL SbaXGridControl::dispose()
{
    SolarMutexGuard aGuard;

    EventObject aEvt;
    aEvt.Source = *this;

    for (auto & elem : m_aStatusMultiplexer)
    {
        if (elem.second.is())
        {
            elem.second->disposeAndClear(aEvt);
            elem.second.clear();
        }
    }
    StatusMultiplexerArray().swap(m_aStatusMultiplexer);

    FmXGridControl::dispose();
}

// SbaXGridPeer
SbaXGridPeer::SbaXGridPeer(const Reference< XComponentContext >& _rM)
: FmXGridPeer(_rM)
,m_aStatusListeners(m_aMutex)
{
}

SbaXGridPeer::~SbaXGridPeer()
{
}

void SAL_CALL SbaXGridPeer::dispose()
{
    EventObject aEvt(*this);

    m_aStatusListeners.disposeAndClear(aEvt);

    FmXGridPeer::dispose();
}

void SbaXGridPeer::NotifyStatusChanged(const css::util::URL& _rUrl, const Reference< css::frame::XStatusListener > & xControl)
{
    VclPtr< SbaGridControl > pGrid = GetAs< SbaGridControl >();
    if (!pGrid)
        return;

    css::frame::FeatureStateEvent aEvt;
    aEvt.Source = *this;
    aEvt.IsEnabled = !pGrid->IsReadOnlyDB();
    aEvt.FeatureURL = _rUrl;

    MapDispatchToBool::const_iterator aURLStatePos = m_aDispatchStates.find( classifyDispatchURL( _rUrl ) );
    if ( m_aDispatchStates.end() != aURLStatePos )
        aEvt.State <<= aURLStatePos->second;
    else
        aEvt.State <<= false;

    if (xControl.is())
        xControl->statusChanged(aEvt);
    else
    {
        ::comphelper::OInterfaceContainerHelper3<css::frame::XStatusListener> * pIter
            = m_aStatusListeners.getContainer(_rUrl);

        if (pIter)
        {
            pIter->notifyEach( &XStatusListener::statusChanged, aEvt );
        }
    }
}

Any SAL_CALL SbaXGridPeer::queryInterface(const Type& _rType)
{
    Any aRet = ::cppu::queryInterface(_rType,static_cast<css::frame::XDispatch*>(this));
    if(aRet.hasValue())
        return aRet;
    return FmXGridPeer::queryInterface(_rType);
}

Reference< css::frame::XDispatch >  SAL_CALL SbaXGridPeer::queryDispatch(const css::util::URL& aURL, const OUString& aTargetFrameName, sal_Int32 nSearchFlags)
{
    if  (   ( aURL.Complete == ".uno:GridSlots/BrowserAttribs" ) || ( aURL.Complete == ".uno:GridSlots/RowHeight" )
        ||  ( aURL.Complete == ".uno:GridSlots/ColumnAttribs" )  || ( aURL.Complete == ".uno:GridSlots/ColumnWidth" )
        )
    {
        return static_cast<css::frame::XDispatch*>(this);
    }

    return FmXGridPeer::queryDispatch(aURL, aTargetFrameName, nSearchFlags);
}

IMPL_LINK_NOARG( SbaXGridPeer, OnDispatchEvent, void*, void )
{
    VclPtr< SbaGridControl > pGrid = GetAs< SbaGridControl >();
    if ( !pGrid )    // if this fails, we were disposing before arriving here
        return;

    if ( !Application::IsMainThread() )
    {
        // still not in the main thread (see SbaXGridPeer::dispatch). post an event, again
        // without moving the special even to the back of the queue
        pGrid->PostUserEvent( LINK( this, SbaXGridPeer, OnDispatchEvent ) );
    }
    else
    {
        DispatchArgs aArgs = m_aDispatchArgs.front();
        m_aDispatchArgs.pop();

        SbaXGridPeer::dispatch( aArgs.aURL, aArgs.aArgs );
    }
}

SbaXGridPeer::DispatchType SbaXGridPeer::classifyDispatchURL( const URL& _rURL )
{
    DispatchType eURLType = dtUnknown;
    if ( _rURL.Complete == ".uno:GridSlots/BrowserAttribs" )
        eURLType = dtBrowserAttribs;
    else if ( _rURL.Complete == ".uno:GridSlots/RowHeight" )
        eURLType = dtRowHeight;
    else if ( _rURL.Complete == ".uno:GridSlots/ColumnAttribs" )
        eURLType = dtColumnAttribs;
    else if ( _rURL.Complete == ".uno:GridSlots/ColumnWidth" )
        eURLType = dtColumnWidth;
    return eURLType;
}

void SAL_CALL SbaXGridPeer::dispatch(const URL& aURL, const Sequence< PropertyValue >& aArgs)
{
    VclPtr< SbaGridControl > pGrid = GetAs< SbaGridControl >();
    if (!pGrid)
        return;

    if ( !Application::IsMainThread() )
    {
        // we're not in the main thread. This is bad, as we want to raise windows here,
        // and VCL does not like windows to be opened in non-main threads (at least on Win32).
        // Okay, do this async. No problem with this, as XDispatch::dispatch is defined to be
        // a one-way method.

        // save the args
        DispatchArgs aDispatchArgs;
        aDispatchArgs.aURL = aURL;
        aDispatchArgs.aArgs = aArgs;
        m_aDispatchArgs.push( aDispatchArgs );

        // post an event
        // we use the Window::PostUserEvent here, instead of the application::PostUserEvent
        // this saves us from keeping track of these events - as soon as the window dies,
        // the events are deleted automatically. For the application way, we would need to
        // do this ourself.
        // As we use our grid as window, and the grid dies before we die, this should be no problem.
        pGrid->PostUserEvent( LINK( this, SbaXGridPeer, OnDispatchEvent ) );
        return;
    }

    SolarMutexGuard aGuard;
    sal_Int16 nColId = -1;
    for (const PropertyValue& rArg : aArgs)
    {
        if (rArg.Name == "ColumnViewPos")
        {
            nColId = pGrid->GetColumnIdFromViewPos(::comphelper::getINT16(rArg.Value));
            break;
        }
        if (rArg.Name == "ColumnModelPos")
        {
            nColId = pGrid->GetColumnIdFromModelPos(::comphelper::getINT16(rArg.Value));
            break;
        }
        if (rArg.Name == "ColumnId")
        {
            nColId = ::comphelper::getINT16(rArg.Value);
            break;
        }
    }

    DispatchType eURLType = classifyDispatchURL( aURL );

    if ( dtUnknown == eURLType )
        return;

    // notify any status listeners that the dialog is now active (well, about to be active)
    MapDispatchToBool::const_iterator aThisURLState = m_aDispatchStates.emplace( eURLType, true ).first;
    NotifyStatusChanged( aURL, nullptr );

    // execute the dialog
    switch ( eURLType )
    {
        case dtBrowserAttribs:
            pGrid->SetBrowserAttrs();
            break;

        case dtRowHeight:
            pGrid->SetRowHeight();
            break;

        case dtColumnAttribs:
        {
            OSL_ENSURE(nColId != -1, "SbaXGridPeer::dispatch : invalid parameter !");
            if (nColId != -1)
                break;
            pGrid->SetColAttrs(nColId);
        }
        break;

        case dtColumnWidth:
        {
            OSL_ENSURE(nColId != -1, "SbaXGridPeer::dispatch : invalid parameter !");
            if (nColId != -1)
                break;
            pGrid->SetColWidth(nColId);
        }
        break;

        case dtUnknown:
            break;
    }

    // notify any status listeners that the dialog vanished
    m_aDispatchStates.erase( aThisURLState );
    NotifyStatusChanged( aURL, nullptr );
}

void SAL_CALL SbaXGridPeer::addStatusListener(const Reference< css::frame::XStatusListener > & xControl, const css::util::URL& aURL)
{
    ::comphelper::OInterfaceContainerHelper3< css::frame::XStatusListener >* pCont
        = m_aStatusListeners.getContainer(aURL);
    if (!pCont)
        m_aStatusListeners.addInterface(aURL,xControl);
    else
        pCont->addInterface(xControl);
    NotifyStatusChanged(aURL, xControl);
}

void SAL_CALL SbaXGridPeer::removeStatusListener(const Reference< css::frame::XStatusListener > & xControl, const css::util::URL& aURL)
{
    ::comphelper::OInterfaceContainerHelper3< css::frame::XStatusListener >* pCont = m_aStatusListeners.getContainer(aURL);
    if ( pCont )
        pCont->removeInterface(xControl);
}

Sequence< Type > SAL_CALL SbaXGridPeer::getTypes()
{
    return comphelper::concatSequences(
        FmXGridPeer::getTypes(),
        Sequence { cppu::UnoType<css::frame::XDispatch>::get() });
}

UNO3_GETIMPLEMENTATION2_IMPL(SbaXGridPeer, FmXGridPeer);

VclPtr<FmGridControl> SbaXGridPeer::imp_CreateControl(vcl::Window* pParent, WinBits nStyle)
{
    return VclPtr<SbaGridControl>::Create( m_xContext, pParent, this, nStyle);
}

// SbaGridHeader

SbaGridHeader::SbaGridHeader(BrowseBox* pParent)
    :FmGridHeader(pParent, WB_STDHEADERBAR | WB_DRAG)
    ,DragSourceHelper(this)
{
}

SbaGridHeader::~SbaGridHeader()
{
    disposeOnce();
}

void SbaGridHeader::dispose()
{
    DragSourceHelper::dispose();
    FmGridHeader::dispose();
}

void SbaGridHeader::StartDrag( sal_Int8 _nAction, const Point& _rPosPixel )
{
    SolarMutexGuard aGuard;
        // in the new DnD API, the solar mutex is not locked when StartDrag is called

    ImplStartColumnDrag( _nAction, _rPosPixel );
}

void SbaGridHeader::MouseButtonDown( const MouseEvent& _rMEvt )
{
    if (_rMEvt.IsLeft())
        if (_rMEvt.GetClicks() != 2)
        {
            // the base class will start a column move here, which we don't want to allow
            // (at the moment. If we store relative positions with the columns, we can allow column moves...)

        }

    FmGridHeader::MouseButtonDown(_rMEvt);
}

void SbaGridHeader::ImplStartColumnDrag(sal_Int8 _nAction, const Point& _rMousePos)
{
    sal_uInt16 nId = GetItemId(_rMousePos);
    bool bResizingCol = false;
    if (HEADERBAR_ITEM_NOTFOUND != nId)
    {
        tools::Rectangle aColRect = GetItemRect(nId);
        aColRect.AdjustLeft(nId ? 3 : 0 ); // the handle col (nId == 0) does not have a left margin for resizing
        aColRect.AdjustRight( -3 );
        bResizingCol = !aColRect.Contains(_rMousePos);
    }
    if (bResizingCol)
        return;

    // force the base class to end its drag mode
    EndTracking(TrackingEventFlags::Cancel | TrackingEventFlags::End);

    // because we have 3d-buttons the select handler is called from MouseButtonUp, but StartDrag
    // occurs earlier (while the mouse button is down)
    // so for optical reasons we select the column before really starting the drag operation.
    notifyColumnSelect(nId);

    static_cast<SbaGridControl*>(GetParent())->StartDrag(_nAction,
            Point(
                _rMousePos.X() + GetPosPixel().X(),     // we aren't left-justified with our parent, in contrast to the data window
                _rMousePos.Y() - GetSizePixel().Height()
            )
        );
}

void SbaGridHeader::PreExecuteColumnContextMenu(sal_uInt16 nColId, weld::Menu& rMenu,
                                                weld::Menu& rInsertMenu, weld::Menu& rChangeMenu,
                                                weld::Menu& rShowMenu)
{
    FmGridHeader::PreExecuteColumnContextMenu(nColId, rMenu, rInsertMenu, rChangeMenu, rShowMenu);

    // some items are valid only if the db isn't readonly
    bool bDBIsReadOnly = static_cast<SbaGridControl*>(GetParent())->IsReadOnlyDB();

    if (bDBIsReadOnly)
    {
        rMenu.set_visible("hide", false);
        rMenu.set_sensitive("hide", false);
        rMenu.set_visible("show", false);
        rMenu.set_sensitive("show", false);
    }

    // prepend some new items
    bool bColAttrs = (nColId != sal_uInt16(-1)) && (nColId != 0);
    if ( !bColAttrs || bDBIsReadOnly)
        return;

    sal_uInt16 nPos = 0;
    sal_uInt16 nModelPos = static_cast<SbaGridControl*>(GetParent())->GetModelColumnPos(nColId);
    Reference< XPropertySet >  xField = static_cast<SbaGridControl*>(GetParent())->getField(nModelPos);

    if ( xField.is() )
    {
        switch( ::comphelper::getINT32(xField->getPropertyValue(PROPERTY_TYPE)) )
        {
        case DataType::BINARY:
        case DataType::VARBINARY:
        case DataType::LONGVARBINARY:
        case DataType::SQLNULL:
        case DataType::OBJECT:
        case DataType::BLOB:
        case DataType::CLOB:
        case DataType::REF:
            break;
        default:
            rMenu.insert(nPos++, "colattrset", DBA_RES(RID_STR_COLUMN_FORMAT),
                         nullptr, nullptr, nullptr, TRISTATE_INDET);
            rMenu.insert_separator(nPos++, "separator1");
        }
    }

    rMenu.insert(nPos++, "colwidth", DBA_RES(RID_STR_COLUMN_WIDTH),
                 nullptr, nullptr, nullptr, TRISTATE_INDET);
    rMenu.insert_separator(nPos++, "separator2");
}

void SbaGridHeader::PostExecuteColumnContextMenu(sal_uInt16 nColId, const weld::Menu& rMenu, const OString& rExecutionResult)
{
    if (rExecutionResult == "colwidth")
        static_cast<SbaGridControl*>(GetParent())->SetColWidth(nColId);
    else if (rExecutionResult == "colattrset")
        static_cast<SbaGridControl*>(GetParent())->SetColAttrs(nColId);
    else
        FmGridHeader::PostExecuteColumnContextMenu(nColId, rMenu, rExecutionResult);
}

// SbaGridControl
SbaGridControl::SbaGridControl(Reference< XComponentContext > const & _rM,
                               vcl::Window* pParent, FmXGridPeer* _pPeer, WinBits nBits)
    :FmGridControl(_rM,pParent, _pPeer, nBits)
    ,m_pMasterListener(nullptr)
    ,m_nAsyncDropEvent(nullptr)
    ,m_bActivatingForDrop(false)
{
}

SbaGridControl::~SbaGridControl()
{
    disposeOnce();
}

void SbaGridControl::dispose()
{
    if (m_nAsyncDropEvent)
        Application::RemoveUserEvent(m_nAsyncDropEvent);
    m_nAsyncDropEvent = nullptr;
    FmGridControl::dispose();
}

VclPtr<BrowserHeader> SbaGridControl::imp_CreateHeaderBar(BrowseBox* pParent)
{
    return VclPtr<SbaGridHeader>::Create(pParent);
}

CellController* SbaGridControl::GetController(sal_Int32 nRow, sal_uInt16 nCol)
{
    if ( m_bActivatingForDrop )
        return nullptr;

    return FmGridControl::GetController(nRow, nCol);
}

void SbaGridControl::PreExecuteRowContextMenu(weld::Menu& rMenu)
{
    FmGridControl::PreExecuteRowContextMenu(rMenu);

    sal_uInt16 nPos = 0;

    if (!IsReadOnlyDB())
    {
        rMenu.insert(nPos++, "tableattr", DBA_RES(RID_STR_TABLE_FORMAT),
                     nullptr, nullptr, nullptr, TRISTATE_INDET);
        rMenu.insert(nPos++, "rowheight", DBA_RES(RID_STR_ROW_HEIGHT),
                     nullptr, nullptr, nullptr, TRISTATE_INDET);
        rMenu.insert_separator(nPos++, "separator1");
    }

    if ( GetSelectRowCount() > 0 )
    {
        rMenu.insert(nPos++, "copy", DBA_RES(RID_STR_COPY),
                     nullptr, nullptr, nullptr, TRISTATE_INDET);
        rMenu.insert_separator(nPos++, "separator2");
    }
}

SvNumberFormatter* SbaGridControl::GetDatasourceFormatter()
{
    Reference< css::util::XNumberFormatsSupplier >  xSupplier = ::dbtools::getNumberFormats(::dbtools::getConnection(Reference< XRowSet > (getDataSource(),UNO_QUERY)), true, getContext());

    SvNumberFormatsSupplierObj* pSupplierImpl = comphelper::getFromUnoTunnel<SvNumberFormatsSupplierObj>( xSupplier );
    if ( !pSupplierImpl )
        return nullptr;

    SvNumberFormatter* pFormatter = pSupplierImpl->GetNumberFormatter();
    return pFormatter;
}

void SbaGridControl::SetColWidth(sal_uInt16 nColId)
{
    // get the (UNO) column model
    sal_uInt16 nModelPos = GetModelColumnPos(nColId);
    Reference< XIndexAccess >  xCols = GetPeer()->getColumns();
    Reference< XPropertySet >  xAffectedCol;
    if (xCols.is() && (nModelPos != sal_uInt16(-1)))
        xAffectedCol.set(xCols->getByIndex(nModelPos), css::uno::UNO_QUERY);

    if (!xAffectedCol.is())
        return;

    Any aWidth = xAffectedCol->getPropertyValue(PROPERTY_WIDTH);
    sal_Int32 nCurWidth = aWidth.hasValue() ? ::comphelper::getINT32(aWidth) : -1;

    DlgSize aDlgColWidth(GetFrameWeld(), nCurWidth, false);
    if (aDlgColWidth.run() != RET_OK)
        return;

    sal_Int32 nValue = aDlgColWidth.GetValue();
    Any aNewWidth;
    if (-1 == nValue)
    {   // set to default
        Reference< XPropertyState >  xPropState(xAffectedCol, UNO_QUERY);
        if (xPropState.is())
        {
            try { aNewWidth = xPropState->getPropertyDefault(PROPERTY_WIDTH); } catch(Exception&) { } ;
        }
    }
    else
        aNewWidth <<= nValue;
    try {  xAffectedCol->setPropertyValue(PROPERTY_WIDTH, aNewWidth); } catch(Exception&) { } ;
}

void SbaGridControl::SetRowHeight()
{
    Reference< XPropertySet >  xCols(GetPeer()->getColumns(), UNO_QUERY);
    if (!xCols.is())
        return;

    Any aHeight = xCols->getPropertyValue(PROPERTY_ROW_HEIGHT);
    sal_Int32 nCurHeight = aHeight.hasValue() ? ::comphelper::getINT32(aHeight) : -1;

    DlgSize aDlgRowHeight(GetFrameWeld(), nCurHeight, true);
    if (aDlgRowHeight.run() != RET_OK)
        return;

    sal_Int32 nValue = aDlgRowHeight.GetValue();
    Any aNewHeight;
    if (sal_Int16(-1) == nValue)
    {   // set to default
        Reference< XPropertyState >  xPropState(xCols, UNO_QUERY);
        if (xPropState.is())
        {
            try
            {
                aNewHeight = xPropState->getPropertyDefault(PROPERTY_ROW_HEIGHT);
            }
            catch(Exception&)
            { }
        }
    }
    else
        aNewHeight <<= nValue;
    try
    {
        xCols->setPropertyValue(PROPERTY_ROW_HEIGHT, aNewHeight);
    }
    catch(Exception&)
    {
        TOOLS_WARN_EXCEPTION( "dbaccess", "setPropertyValue: PROPERTY_ROW_HEIGHT throws an exception");
    }
}

void SbaGridControl::SetColAttrs(sal_uInt16 nColId)
{
    SvNumberFormatter* pFormatter = GetDatasourceFormatter();
    if (!pFormatter)
        return;

    sal_uInt16 nModelPos = GetModelColumnPos(nColId);

    // get the (UNO) column model
    Reference< XIndexAccess >  xCols = GetPeer()->getColumns();
    Reference< XPropertySet >  xAffectedCol;
    if (xCols.is() && (nModelPos != sal_uInt16(-1)))
        xAffectedCol.set(xCols->getByIndex(nModelPos), css::uno::UNO_QUERY);

    // get the field the column is bound to
    Reference< XPropertySet >  xField = getField(nModelPos);
    ::dbaui::callColumnFormatDialog(xAffectedCol,xField,pFormatter,GetFrameWeld());
}

void SbaGridControl::SetBrowserAttrs()
{
    Reference< XPropertySet >  xGridModel(GetPeer()->getColumns(), UNO_QUERY);
    if (!xGridModel.is())
        return;

    try
    {
        Reference< XComponentContext > xContext = getContext();
        css::uno::Sequence<css::uno::Any> aArguments{
            Any(comphelper::makePropertyValue("IntrospectedObject", xGridModel)),
            Any(comphelper::makePropertyValue("ParentWindow", VCLUnoHelper::GetInterface(this)))
        };
        Reference<XExecutableDialog> xExecute(xContext->getServiceManager()->createInstanceWithArgumentsAndContext("com.sun.star.form.ControlFontDialog",
                                              aArguments, xContext), css::uno::UNO_QUERY_THROW);
        xExecute->execute();
    }
    catch( const Exception& )
    {
        DBG_UNHANDLED_EXCEPTION("dbaccess");
    }
}

void SbaGridControl::PostExecuteRowContextMenu(const OString& rExecutionResult)
{
    if (rExecutionResult == "tableattr")
        SetBrowserAttrs();
    else if (rExecutionResult == "rowheight")
        SetRowHeight();
    else if (rExecutionResult == "copy")
        CopySelectedRowsToClipboard();
    else
        FmGridControl::PostExecuteRowContextMenu(rExecutionResult);
}

void SbaGridControl::Select()
{
    // Some selection has changed ...
    FmGridControl::Select();

    if (m_pMasterListener)
        m_pMasterListener->SelectionChanged();
}

void SbaGridControl::ActivateCell(sal_Int32 nRow, sal_uInt16 nCol, bool bSetCellFocus /*= sal_True*/ )
{
    FmGridControl::ActivateCell(nRow, nCol, bSetCellFocus);
    if (m_pMasterListener)
        m_pMasterListener->CellActivated();
}

void SbaGridControl::DeactivateCell(bool bUpdate /*= sal_True*/)
{
    FmGridControl::DeactivateCell(bUpdate);
    if (m_pMasterListener)
        m_pMasterListener->CellDeactivated();
}

void SbaGridControl::onRowChange()
{
    if ( m_pMasterListener )
        m_pMasterListener->RowChanged();
}

void SbaGridControl::onColumnChange()
{
    if ( m_pMasterListener )
        m_pMasterListener->ColumnChanged();
}

Reference< XPropertySet >  SbaGridControl::getField(sal_uInt16 nModelPos)
{
    Reference< XPropertySet >  xEmptyReturn;
    try
    {
        // first get the name of the column
        Reference< XIndexAccess >  xCols = GetPeer()->getColumns();
        if ( xCols.is() && xCols->getCount() > nModelPos )
        {
            Reference< XPropertySet >  xCol(xCols->getByIndex(nModelPos),UNO_QUERY);
            if ( xCol.is() )
                xEmptyReturn.set(xCol->getPropertyValue(PROPERTY_BOUNDFIELD),UNO_QUERY);
        }
        else
            OSL_FAIL("SbaGridControl::getField getColumns returns NULL or ModelPos is > than count!");
    }
    catch (const Exception&)
    {
        TOOLS_WARN_EXCEPTION("dbaccess", "SbaGridControl::getField Exception occurred");
    }

    return xEmptyReturn;
}

bool SbaGridControl::IsReadOnlyDB() const
{
    // assume yes if anything fails
    bool bDBIsReadOnly = true;

    try
    {
        // the db is the implemented by the parent of the grid control's model ...
        Reference< XChild >  xColumns(GetPeer()->getColumns(), UNO_QUERY);
        if (xColumns.is())
        {
            Reference< XRowSet >  xDataSource(xColumns->getParent(), UNO_QUERY);
            ::dbtools::ensureRowSetConnection( xDataSource, getContext(), nullptr );
            Reference< XChild >  xConn(::dbtools::getConnection(xDataSource),UNO_QUERY);
            if (xConn.is())
            {
                // ... and the RO-flag simply is implemented by a property
                Reference< XPropertySet >  xDbProps(xConn->getParent(), UNO_QUERY);
                if (xDbProps.is())
                {
                    Reference< XPropertySetInfo >  xInfo = xDbProps->getPropertySetInfo();
                    if (xInfo->hasPropertyByName(PROPERTY_ISREADONLY))
                        bDBIsReadOnly = ::comphelper::getBOOL(xDbProps->getPropertyValue(PROPERTY_ISREADONLY));
                }
            }
        }
    }
    catch (const Exception&)
    {
        TOOLS_WARN_EXCEPTION("dbaccess", "SbaGridControl::IsReadOnlyDB Exception occurred");
    }

    return bDBIsReadOnly;
}

void SbaGridControl::MouseButtonDown( const BrowserMouseEvent& rMEvt)
{
    sal_Int32 nRow = GetRowAtYPosPixel(rMEvt.GetPosPixel().Y());
    sal_uInt16 nColPos = GetColumnAtXPosPixel(rMEvt.GetPosPixel().X());
    sal_uInt16 nViewPos = (nColPos == BROWSER_INVALIDID) ? sal_uInt16(-1) : nColPos-1;
        // 'the handle column' and 'no valid column' will both result in a view position of -1 !

    bool bHitEmptySpace = (nRow > GetRowCount()) || (nViewPos == sal_uInt16(-1));

    if (bHitEmptySpace && (rMEvt.GetClicks() == 2) && rMEvt.IsMod1())
        Control::MouseButtonDown(rMEvt);
    else
        FmGridControl::MouseButtonDown(rMEvt);
}

void SbaGridControl::StartDrag( sal_Int8 _nAction, const Point& _rPosPixel )
{
    SolarMutexGuard aGuard;
        // in the new DnD API, the solar mutex is not locked when StartDrag is called

    bool bHandled = false;

    do
    {
        // determine if dragging is allowed
        // (Yes, this is controller (not view) functionality. But collecting and evaluating all the
        // information necessary via UNO would be quite difficult (if not impossible) so
        // my laziness says 'do it here'...)
        sal_Int32 nRow = GetRowAtYPosPixel(_rPosPixel.Y());
        sal_uInt16 nColPos = GetColumnAtXPosPixel(_rPosPixel.X());
        sal_uInt16 nViewPos = (nColPos == BROWSER_INVALIDID) ? sal_uInt16(-1) : nColPos-1;
            // 'the handle column' and 'no valid column' will both result in a view position of -1 !

        bool bCurrentRowVirtual = IsCurrentAppending() && IsModified();
        // the current row doesn't really exist: the user's appending a new one and already has entered some data,
        // so the row contains data which has no counter part within the data source

        sal_Int32 nCorrectRowCount = GetRowCount();
        if (GetOptions() & DbGridControlOptions::Insert)
            --nCorrectRowCount; // there is an empty row for inserting records
        if (bCurrentRowVirtual)
            --nCorrectRowCount;

        if ((nColPos == BROWSER_INVALIDID) || (nRow >= nCorrectRowCount))
            break;

        bool bHitHandle = (nColPos == 0);

        // check which kind of dragging has to be initiated
        if  (   bHitHandle                          //  the handle column
                                                    // AND
            &&  (   GetSelectRowCount()             //  at least one row is selected
                                                    // OR
                ||  (   (nRow >= 0)                 //  a row below the header
                    &&  !bCurrentRowVirtual         //  we aren't appending a new record
                    &&  (nRow != GetCurrentPos())   //  a row which is not the current one
                    )                               // OR
                ||  (   (0 == GetSelectRowCount())  // no rows selected
                    &&  (-1 == nRow)                // hit the header
                    )
                )
            )
        {   // => start dragging the row
            if (GetDataWindow().IsMouseCaptured())
                GetDataWindow().ReleaseMouse();

            if (0 == GetSelectRowCount())
                // no rows selected, but here in this branch
                // -> the user started dragging the upper left corner, which symbolizes the whole table
                SelectAll();

            getMouseEvent().Clear();
            implTransferSelectedRows(static_cast<sal_Int16>(nRow), false);

            bHandled = true;
        }
        else if (   (nRow < 0)                      // the header
                &&  (!bHitHandle)                   // non-handle column
                &&  (nViewPos < GetViewColCount())  // valid (existing) column
                )
        {   // => start dragging the column
            if (GetDataWindow().IsMouseCaptured())
                GetDataWindow().ReleaseMouse();

            getMouseEvent().Clear();
            DoColumnDrag(nViewPos);

            bHandled = true;
        }
        else if (   !bHitHandle     // non-handle column
                &&  (nRow >= 0)     // non-header row
                )
        {   // => start dragging the field content
            if (GetDataWindow().IsMouseCaptured())
                GetDataWindow().ReleaseMouse();

            getMouseEvent().Clear();
            DoFieldDrag(nViewPos, static_cast<sal_Int16>(nRow));

            bHandled = true;
        }
    }
    while (false);

    if (!bHandled)
        FmGridControl::StartDrag(_nAction, _rPosPixel);
}

void SbaGridControl::DoColumnDrag(sal_uInt16 nColumnPos)
{
    Reference< XPropertySet >  xDataSource = getDataSource();
    OSL_ENSURE(xDataSource.is(), "SbaGridControl::DoColumnDrag : invalid data source !");
    ::dbtools::ensureRowSetConnection(Reference< XRowSet >(getDataSource(),UNO_QUERY), getContext(), nullptr);

    Reference< XPropertySet > xAffectedCol;
    Reference< XPropertySet > xAffectedField;
    Reference< XConnection > xActiveConnection;

    // determine the field to drag
    OUString sField;
    try
    {
        xActiveConnection = ::dbtools::getConnection(Reference< XRowSet >(getDataSource(),UNO_QUERY));

        sal_uInt16 nModelPos = GetModelColumnPos(GetColumnIdFromViewPos(nColumnPos));
        Reference< XIndexContainer >  xCols = GetPeer()->getColumns();
        xAffectedCol.set(xCols->getByIndex(nModelPos),UNO_QUERY);
        if (xAffectedCol.is())
        {
            xAffectedCol->getPropertyValue(PROPERTY_CONTROLSOURCE) >>= sField;
            xAffectedField.set(xAffectedCol->getPropertyValue(PROPERTY_BOUNDFIELD),UNO_QUERY);
        }
    }
    catch(Exception&)
    {
        OSL_FAIL("SbaGridControl::DoColumnDrag : something went wrong while getting the column");
    }
    if (sField.isEmpty())
        return;

    rtl::Reference<OColumnTransferable> pDataTransfer = new OColumnTransferable(xDataSource, sField, xAffectedField, xActiveConnection, ColumnTransferFormatFlags::FIELD_DESCRIPTOR | ColumnTransferFormatFlags::COLUMN_DESCRIPTOR);
    pDataTransfer->StartDrag(this, DND_ACTION_COPY | DND_ACTION_LINK);
}

void SbaGridControl::CopySelectedRowsToClipboard()
{
    OSL_ENSURE( GetSelectRowCount() > 0, "SbaGridControl::CopySelectedRowsToClipboard: invalid call!" );
    implTransferSelectedRows( static_cast<sal_Int16>(FirstSelectedRow()), true );
}

void SbaGridControl::implTransferSelectedRows( sal_Int16 nRowPos, bool _bTrueIfClipboardFalseIfDrag )
{
    Reference< XPropertySet > xForm = getDataSource();
    OSL_ENSURE( xForm.is(), "SbaGridControl::implTransferSelectedRows: invalid form!" );

    // build the sequence of numbers of selected rows
    Sequence< Any > aSelectedRows;
    bool bSelectionBookmarks = true;

    // collect the affected rows
    if ((GetSelectRowCount() == 0) && (nRowPos >= 0))
    {
        aSelectedRows = { Any(static_cast<sal_Int32>(nRowPos + 1)) };
        bSelectionBookmarks = false;
    }
    else if ( !IsAllSelected() && GetSelectRowCount() )
    {
        aSelectedRows = getSelectionBookmarks();
        bSelectionBookmarks = true;
    }

    try
    {
        rtl::Reference<ODataClipboard> pTransfer = new ODataClipboard( xForm, aSelectedRows, bSelectionBookmarks, getContext() );

        if ( _bTrueIfClipboardFalseIfDrag )
            pTransfer->CopyToClipboard( this );
        else
            pTransfer->StartDrag(this, DND_ACTION_COPY | DND_ACTION_LINK);
    }
    catch(Exception&)
    {
    }
}

void SbaGridControl::DoFieldDrag(sal_uInt16 nColumnPos, sal_Int16 nRowPos)
{
    // the only thing to do here is dragging the pure cell text
    // the old implementation copied a SBA_FIELDDATAEXCHANGE_FORMAT, too, (which was rather expensive to obtain),
    // but we have no client for this DnD format anymore (the mail part of SO 5.2 was the only client)

    try
    {
        OUString sCellText;
        Reference< XGridFieldDataSupplier >  xFieldData(GetPeer());
        Sequence<sal_Bool> aSupportingText = xFieldData->queryFieldDataType(cppu::UnoType<decltype(sCellText)>::get());
        if (aSupportingText.getConstArray()[nColumnPos])
        {
            Sequence< Any> aCellContents = xFieldData->queryFieldData(nRowPos, cppu::UnoType<decltype(sCellText)>::get());
            sCellText = ::comphelper::getString(aCellContents.getConstArray()[nColumnPos]);
            ::svt::OStringTransfer::StartStringDrag(sCellText, this, DND_ACTION_COPY);
        }
    }
    catch(Exception&)
    {
        OSL_FAIL("SbaGridControl::DoFieldDrag : could not retrieve the cell's contents !");
        return;
    }

}

    namespace {

/// unary_function Functor object for class ZZ returntype is void
    struct SbaGridControlPrec
    {
        bool operator()(const DataFlavorExVector::value_type& _aType)
        {
            switch (_aType.mnSotId)
            {
                case SotClipboardFormatId::DBACCESS_TABLE:   // table descriptor
                case SotClipboardFormatId::DBACCESS_QUERY:   // query descriptor
                case SotClipboardFormatId::DBACCESS_COMMAND: // SQL command
                    return true;
                default: break;
            }
            return false;
        }
    };

    }

sal_Int8 SbaGridControl::AcceptDrop( const BrowserAcceptDropEvent& rEvt )
{
    sal_Int8 nAction = DND_ACTION_NONE;

    // we need a valid connection
    if (!::dbtools::getConnection(Reference< XRowSet > (getDataSource(),UNO_QUERY)).is())
        return nAction;

    if ( IsDropFormatSupported( SotClipboardFormatId::STRING ) )
        do
        {   // odd construction, but spares us a lot of (explicit ;) goto's

            if (!GetEmptyRow().is())
                // without an empty row we're not in update mode
                break;

            const sal_Int32   nRow = GetRowAtYPosPixel(rEvt.maPosPixel.Y(), false);
            const sal_uInt16  nCol = GetColumnId(GetColumnAtXPosPixel(rEvt.maPosPixel.X()));

            sal_Int32 nCorrectRowCount = GetRowCount();
            if (GetOptions() & DbGridControlOptions::Insert)
                --nCorrectRowCount; // there is an empty row for inserting records
            if (IsCurrentAppending())
                --nCorrectRowCount; // the current data record doesn't really exist, we are appending a new one

            if ( (nCol == BROWSER_INVALIDID) || (nRow >= nCorrectRowCount) || (nCol == 0) )
                // no valid cell under the mouse cursor
                break;

            tools::Rectangle aRect = GetCellRect(nRow, nCol, false);
            if (!aRect.Contains(rEvt.maPosPixel))
                // not dropped within a cell (a cell isn't as wide as the column - the are small spaces)
                break;

            if ((IsModified() || (GetCurrentRow().is() && GetCurrentRow()->IsModified())) && (GetCurrentPos() != nRow))
                // there is a current and modified row or cell and he text is to be dropped into another one
                break;

            CellControllerRef xCurrentController = Controller();
            if (xCurrentController.is() && xCurrentController->IsValueChangedFromSaved() && ((nRow != GetCurRow()) || (nCol != GetCurColumnId())))
                // the current controller is modified and the user wants to drop in another cell -> no chance
                // (when leaving the modified cell an error may occur - this is deadly while dragging)
                break;

            Reference< XPropertySet >  xField = getField(GetModelColumnPos(nCol));
            if (!xField.is())
                // the column is not valid bound (for instance a binary field)
                break;

            try
            {
                if (::comphelper::getBOOL(xField->getPropertyValue(PROPERTY_ISREADONLY)))
                    break;
            }
            catch (const Exception& )
            {
                // assume RO
                break;
            }

            try
            {
                // assume that text can be dropped into a field if the column has a css::awt::XTextComponent interface
                Reference< XIndexAccess >  xColumnControls(GetPeer());
                if (xColumnControls.is())
                {
                    Reference< css::awt::XTextComponent >  xColControl(
                        xColumnControls->getByIndex(GetViewColumnPos(nCol)),
                        css::uno::UNO_QUERY);
                    if (xColControl.is())
                    {
                        m_bActivatingForDrop = true;
                        GoToRowColumnId(nRow, nCol);
                        m_bActivatingForDrop = false;

                        nAction = DND_ACTION_COPY;
                    }
                }
            }
            catch( const Exception& )
            {
                DBG_UNHANDLED_EXCEPTION("dbaccess");
            }

        } while (false);

    if(nAction != DND_ACTION_COPY && GetEmptyRow().is())
    {
        const DataFlavorExVector& _rFlavors = GetDataFlavors();
        if(std::any_of(_rFlavors.begin(),_rFlavors.end(),SbaGridControlPrec()))
            nAction = DND_ACTION_COPY;
    }

    return (DND_ACTION_NONE != nAction) ? nAction : FmGridControl::AcceptDrop(rEvt);
}

sal_Int8 SbaGridControl::ExecuteDrop( const BrowserExecuteDropEvent& rEvt )
{
    // we need some properties of our data source
    Reference< XPropertySet >  xDataSource = getDataSource();
    if (!xDataSource.is())
        return DND_ACTION_NONE;

    // we need a valid connection
    if (!::dbtools::getConnection(Reference< XRowSet > (xDataSource,UNO_QUERY)).is())
        return DND_ACTION_NONE;

    if ( IsDropFormatSupported( SotClipboardFormatId::STRING ) )
    {
        sal_Int32   nRow = GetRowAtYPosPixel(rEvt.maPosPixel.Y(), false);
        sal_uInt16  nCol = GetColumnAtXPosPixel(rEvt.maPosPixel.X());

        sal_Int32 nCorrectRowCount = GetRowCount();
        if (GetOptions() & DbGridControlOptions::Insert)
            --nCorrectRowCount; // there is an empty row for inserting records
        if (IsCurrentAppending())
            --nCorrectRowCount; // the current data record doesn't really exist, we are appending a new one

        OSL_ENSURE((nCol != BROWSER_INVALIDID) && (nRow < nCorrectRowCount), "SbaGridControl::Drop : dropped on an invalid position !");
            // AcceptDrop should have caught this

        // from now we work with ids instead of positions
        nCol = GetColumnId(nCol);

        GoToRowColumnId(nRow, nCol);
        if (!IsEditing())
            ActivateCell();

        CellControllerRef xCurrentController = Controller();
        EditCellController* pController = dynamic_cast<EditCellController*>(xCurrentController.get());
        if (!pController)
            return DND_ACTION_NONE;

        // get the dropped string
        TransferableDataHelper aDropped( rEvt.maDropEvent.Transferable );
        OUString sDropped;
        if ( !aDropped.GetString( SotClipboardFormatId::STRING, sDropped ) )
            return DND_ACTION_NONE;

        IEditImplementation* pEditImplementation = pController->GetEditImplementation();
        pEditImplementation->SetText(sDropped);
        // SetText itself doesn't call a Modify as it isn't a user interaction
        pController->Modify();

        return DND_ACTION_COPY;
    }

    if(GetEmptyRow().is())
    {
        const DataFlavorExVector& _rFlavors = GetDataFlavors();
        if( std::any_of(_rFlavors.begin(),_rFlavors.end(), SbaGridControlPrec()) )
        {
            TransferableDataHelper aDropped( rEvt.maDropEvent.Transferable );
            m_aDataDescriptor = ODataAccessObjectTransferable::extractObjectDescriptor(aDropped);
            if (m_nAsyncDropEvent)
                Application::RemoveUserEvent(m_nAsyncDropEvent);
            m_nAsyncDropEvent = Application::PostUserEvent(LINK(this, SbaGridControl, AsynchDropEvent), nullptr, true);
            return DND_ACTION_COPY;
        }
    }

    return DND_ACTION_NONE;
}

Reference< XPropertySet >  SbaGridControl::getDataSource() const
{
    Reference< XPropertySet >  xReturn;

    Reference< XChild >  xColumns(GetPeer()->getColumns(), UNO_QUERY);
    if (xColumns.is())
        xReturn.set(xColumns->getParent(), UNO_QUERY);

    return xReturn;
}

IMPL_LINK_NOARG(SbaGridControl, AsynchDropEvent, void*, void)
{
    m_nAsyncDropEvent = nullptr;

    Reference< XPropertySet >  xDataSource = getDataSource();
    if ( xDataSource.is() )
    {
        bool bCountFinal = false;
        xDataSource->getPropertyValue(PROPERTY_ISROWCOUNTFINAL) >>= bCountFinal;
        if ( !bCountFinal )
            setDataSource(nullptr); // detach from grid control
        Reference< XResultSetUpdate > xResultSetUpdate(xDataSource,UNO_QUERY);
        rtl::Reference<ODatabaseImportExport> pImExport = new ORowSetImportExport(GetFrameWeld(),xResultSetUpdate,m_aDataDescriptor, getContext());
        Hide();
        try
        {
            pImExport->initialize(m_aDataDescriptor);
            if (m_pMasterListener)
                m_pMasterListener->BeforeDrop();
            if(!pImExport->Read())
            {
                OUString sError = DBA_RES(STR_NO_COLUMNNAME_MATCHING);
                throwGenericSQLException(sError,nullptr);
            }
            if (m_pMasterListener)
                m_pMasterListener->AfterDrop();
            Show();
        }
        catch(const SQLException& e)
        {
            if (m_pMasterListener)
                m_pMasterListener->AfterDrop();
            Show();
            ::dbtools::showError( ::dbtools::SQLExceptionInfo(e), VCLUnoHelper::GetInterface(this), getContext() );
        }
        catch(const Exception& )
        {
            DBG_UNHANDLED_EXCEPTION("dbaccess");
            if (m_pMasterListener)
                m_pMasterListener->AfterDrop();
            Show();
        }
        if ( !bCountFinal )
            setDataSource(Reference< XRowSet >(xDataSource,UNO_QUERY));
    }
    m_aDataDescriptor.clear();
}

OUString SbaGridControl::GetAccessibleObjectDescription( AccessibleBrowseBoxObjType eObjType,sal_Int32 _nPosition) const
{
    OUString sRet;
    if ( AccessibleBrowseBoxObjType::BrowseBox == eObjType )
    {
        SolarMutexGuard aGuard;
        sRet = DBA_RES(STR_DATASOURCE_GRIDCONTROL_DESC);
    }
    else
        sRet = FmGridControl::GetAccessibleObjectDescription( eObjType,_nPosition);
    return sRet;
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */