forked from sqlitebrowser/sqlitebrowser
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathMainWindow.cpp
1932 lines (1692 loc) · 72.6 KB
/
MainWindow.cpp
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
#include "MainWindow.h"
#include "ui_MainWindow.h"
#include "CreateIndexDialog.h"
#include "AboutDialog.h"
#include "EditTableDialog.h"
#include "ImportCsvDialog.h"
#include "ExportCsvDialog.h"
#include "PreferencesDialog.h"
#include "EditDialog.h"
#include "SQLiteSyntaxHighlighter.h"
#include "sqltextedit.h"
#include "sqlitetablemodel.h"
#include "SqlExecutionArea.h"
#include "VacuumDialog.h"
#include "DbStructureModel.h"
#include "gen_version.h"
#include <QFileDialog>
#include <QFile>
#include <QApplication>
#include <QTextStream>
#include <QWhatsThis>
#include <QMessageBox>
#include <QUrl>
#include <QStandardItemModel>
#include <QDragEnterEvent>
#include <QScrollBar>
#include <QSortFilterProxyModel>
#include <QElapsedTimer>
#include <sqlite3.h>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QNetworkAccessManager>
#include <QSettings>
#include <QMimeData>
#include <QColorDialog>
#include <QDesktopServices>
#include <QXmlStreamReader>
#include <QXmlStreamWriter>
MainWindow::MainWindow(QWidget* parent)
: QMainWindow(parent),
ui(new Ui::MainWindow),
m_browseTableModel(new SqliteTableModel(this, &db, PreferencesDialog::getSettingsValue("db", "prefetchsize").toInt())),
sqliteHighlighterLogUser(0),
sqliteHighlighterLogApp(0),
editWin(new EditDialog(this)),
gotoValidator(new QIntValidator(0, 0, this))
{
ui->setupUi(this);
init();
activateFields(false);
updateRecentFileActions();
}
MainWindow::~MainWindow()
{
delete gotoValidator;
delete ui;
}
void MainWindow::init()
{
// Connect SQL logging and database state setting to main window
connect(&db, SIGNAL(dbChanged(bool)), this, SLOT(dbState(bool)));
connect(&db, SIGNAL(sqlExecuted(QString, int)), this, SLOT(logSql(QString,int)));
// Set the validator for the goto line edit
ui->editGoto->setValidator(gotoValidator);
// Set up DB models
ui->dataTable->setModel(m_browseTableModel);
// Set up DB structure tab
dbStructureModel = new DbStructureModel(ui->dbTreeWidget);
ui->dbTreeWidget->setModel(dbStructureModel);
ui->dbTreeWidget->setColumnHidden(1, true);
ui->dbTreeWidget->setColumnWidth(0, 300);
// Set up DB schema dock
ui->treeSchemaDock->setModel(dbStructureModel);
ui->treeSchemaDock->setColumnHidden(1, true);
ui->treeSchemaDock->setColumnWidth(0, 300);
// Add keyboard shortcuts
QList<QKeySequence> shortcuts = ui->actionExecuteSql->shortcuts();
shortcuts.push_back(QKeySequence(tr("Ctrl+Return")));
ui->actionExecuteSql->setShortcuts(shortcuts);
// Create the actions for the recently opened dbs list
for(int i = 0; i < MaxRecentFiles; ++i) {
recentFileActs[i] = new QAction(this);
recentFileActs[i]->setVisible(false);
connect(recentFileActs[i], SIGNAL(triggered()), this, SLOT(openRecentFile()));
}
for(int i = 0; i < MaxRecentFiles; ++i)
ui->fileMenu->insertAction(ui->fileExitAction, recentFileActs[i]);
recentSeparatorAct = ui->fileMenu->insertSeparator(ui->fileExitAction);
// Create popup menus
popupTableMenu = new QMenu(this);
popupTableMenu->addAction(ui->editModifyTableAction);
popupTableMenu->addAction(ui->editDeleteObjectAction);
popupTableMenu->addSeparator();
popupTableMenu->addAction(ui->actionExportCsvPopup);
// Add menu item for log dock
ui->viewMenu->insertAction(ui->viewDBToolbarAction, ui->dockLog->toggleViewAction());
ui->viewMenu->actions().at(0)->setShortcut(QKeySequence(tr("Ctrl+L")));
ui->viewMenu->actions().at(0)->setIcon(QIcon(":/icons/log_dock"));
ui->viewDBToolbarAction->setChecked(!ui->toolbarDB->isHidden());
// Add menu item for plot dock
ui->viewMenu->insertAction(ui->viewDBToolbarAction, ui->dockPlot->toggleViewAction());
QList<QKeySequence> plotkeyseqlist;
plotkeyseqlist << QKeySequence(tr("Ctrl+P")) << QKeySequence(tr("Ctrl+D"));
ui->viewMenu->actions().at(1)->setShortcuts(plotkeyseqlist);
ui->viewMenu->actions().at(1)->setIcon(QIcon(":/icons/log_dock"));
// Add menu item for schema dock
ui->viewMenu->insertAction(ui->viewDBToolbarAction, ui->dockSchema->toggleViewAction());
ui->viewMenu->actions().at(2)->setShortcut(QKeySequence(tr("Ctrl+I")));
ui->viewMenu->actions().at(2)->setIcon(QIcon(":/icons/log_dock"));
// Set statusbar fields
statusEncodingLabel = new QLabel(ui->statusbar);
statusEncodingLabel->setEnabled(false);
statusEncodingLabel->setText("UTF-8");
statusEncodingLabel->setToolTip(tr("Database encoding"));
ui->statusbar->addPermanentWidget(statusEncodingLabel);
// Connect some more signals and slots
connect(ui->dataTable->filterHeader(), SIGNAL(filterChanged(int,QString)), this, SLOT(setRecordsetLabel()));
connect(ui->dataTable->filterHeader(), SIGNAL(sectionClicked(int)), this, SLOT(browseTableHeaderClicked(int)));
connect(ui->dataTable->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(setRecordsetLabel()));
connect(ui->dataTable->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(updateBrowseDataColumnWidth(int,int,int)));
connect(editWin, SIGNAL(goingAway()), this, SLOT(editWinAway()));
connect(editWin, SIGNAL(updateRecordText(int, int, QByteArray)), this, SLOT(updateRecordText(int, int, QByteArray)));
connect(ui->dbTreeWidget->selectionModel(), SIGNAL(currentChanged(QModelIndex,QModelIndex)), this, SLOT(changeTreeSelection()));
// Load window settings
tabifyDockWidget(ui->dockLog, ui->dockPlot);
tabifyDockWidget(ui->dockLog, ui->dockSchema);
restoreGeometry(PreferencesDialog::getSettingsValue("MainWindow", "geometry").toByteArray());
restoreState(PreferencesDialog::getSettingsValue("MainWindow", "windowState").toByteArray());
ui->comboLogSubmittedBy->setCurrentIndex(ui->comboLogSubmittedBy->findText(PreferencesDialog::getSettingsValue("SQLLogDock", "Log").toString()));
ui->splitterForPlot->restoreState(PreferencesDialog::getSettingsValue("PlotDock", "splitterSize").toByteArray());
// plot widgets
ui->treePlotColumns->setSelectionMode(QAbstractItemView::NoSelection);
// Set other window settings
setAcceptDrops(true);
setWindowTitle(QApplication::applicationName());
// Load all settings
reloadSettings();
#ifdef CHECKNEWVERSION
// Check for a new release version, usually only enabled on windows
m_NetworkManager = new QNetworkAccessManager(this);
QObject::connect(m_NetworkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(httpresponse(QNetworkReply*)));
QUrl url("https://raw.github.com/sqlitebrowser/sqlitebrowser/master/currentrelease");
m_NetworkManager->get(QNetworkRequest(url));
#endif
}
void MainWindow::clearCompleterModelsFields()
{
for(SqlTextEdit::FieldCompleterModelMap::iterator it = completerModelsFields.begin();
it != completerModelsFields.end();
++it)
{
delete *it;
}
completerModelsFields.clear();
}
bool MainWindow::fileOpen(const QString& fileName)
{
bool retval = false;
QString wFile = fileName;
if (!QFile::exists(wFile))
{
wFile = QFileDialog::getOpenFileName(
this,
tr("Choose a database file"),
PreferencesDialog::getSettingsValue("db", "defaultlocation").toString());
}
if(QFile::exists(wFile) )
{
fileClose();
if(db.open(wFile))
{
statusEncodingLabel->setText(db.getPragma("encoding"));
setCurrentFile(wFile);
retval = true;
} else {
// Failed opening file; so it might be a SQLiteBrowser project file
return loadProject(wFile);
}
loadExtensionsFromSettings();
populateStructure();
resetBrowser();
if(ui->mainTab->currentIndex() == 2)
loadPragmas();
openSqlTab(true);
}
return retval;
}
void MainWindow::fileNew()
{
QString fileName = QFileDialog::getSaveFileName(this, tr("Choose a filename to save under"), PreferencesDialog::getSettingsValue("db", "defaultlocation").toString());
if(!fileName.isEmpty())
{
if(QFile::exists(fileName))
QFile::remove(fileName);
db.create(fileName);
setCurrentFile(fileName);
statusEncodingLabel->setText(db.getPragma("encoding"));
loadExtensionsFromSettings();
populateStructure();
resetBrowser();
openSqlTab(true);
createTable();
}
}
void MainWindow::populateStructure()
{
completerModelTables.clear();
clearCompleterModelsFields();
// Refresh the structure tab
db.updateSchema();
dbStructureModel->reloadData(&db);
ui->dbTreeWidget->expandToDepth(0);
ui->treeSchemaDock->expandToDepth(0);
if(!db.isOpen())
return;
QStringList tblnames = db.getBrowsableObjectNames();
sqliteHighlighterLogUser->setTableNames(tblnames);
sqliteHighlighterLogApp->setTableNames(tblnames);
// setup models for sqltextedit autocomplete
completerModelTables.setRowCount(tblnames.count());
completerModelTables.setColumnCount(1);
objectMap tab = db.getBrowsableObjects();
int row = 0;
for(objectMap::ConstIterator it=tab.begin(); it!=tab.end(); ++it, ++row)
{
QString sName = it.value().getname();
QStandardItem* item = new QStandardItem(sName);
item->setIcon(QIcon(QString(":icons/%1").arg(it.value().gettype())));
completerModelTables.setItem(row, 0, item);
// If it is a table add the field Nodes
if((*it).gettype() == "table" || (*it).gettype() == "view")
{
QStandardItemModel* tablefieldmodel = new QStandardItemModel();
tablefieldmodel->setRowCount((*it).fldmap.count());
tablefieldmodel->setColumnCount(1);
int fldrow = 0;
for(int i=0; i < (*it).fldmap.size(); ++i, ++fldrow)
{
QString fieldname = (*it).fldmap.at(i)->name();
QStandardItem* fldItem = new QStandardItem(fieldname);
fldItem->setIcon(QIcon(":/icons/field"));
tablefieldmodel->setItem(fldrow, 0, fldItem);
}
completerModelsFields.insert(sName.toLower(), tablefieldmodel);
}
}
for(int i=0; i < ui->tabSqlAreas->count(); ++i)
{
SqlExecutionArea* sqlarea = qobject_cast<SqlExecutionArea*>(ui->tabSqlAreas->widget(i));
sqlarea->setTableNames(tblnames);
sqlarea->getEditor()->setDefaultCompleterModel(&completerModelTables);
sqlarea->getEditor()->insertFieldCompleterModels(completerModelsFields);
}
}
void MainWindow::populateTable( const QString & tablename)
{
// Remove the model-view link if the table name is empty in order to remove any data from the view
if(tablename.isEmpty())
{
ui->dataTable->setModel(0);
if(qobject_cast<FilterTableHeader*>(ui->dataTable->horizontalHeader()))
qobject_cast<FilterTableHeader*>(ui->dataTable->horizontalHeader())->generateFilters(0);
return;
}
QApplication::setOverrideCursor(Qt::WaitCursor);
// Set model
ui->dataTable->setModel(m_browseTableModel);
// Set new table
m_browseTableModel->setTable(tablename);
ui->dataTable->setColumnHidden(0, true);
// Restore column widths
QMap<QString, QMap<int, int> >::ConstIterator colWidthsIt;
if((colWidthsIt = browseTableColumnWidths.constFind(tablename)) != browseTableColumnWidths.constEnd())
{
// There are some column widths stored for this table
for(QMap<int, int>::ConstIterator it=colWidthsIt.value().constBegin();it!=colWidthsIt.value().constEnd();++it)
ui->dataTable->setColumnWidth(it.key(), it.value());
} else {
// There aren't any column widths stored for this table yet, so set default widths
for(int i=1;i<m_browseTableModel->columnCount();i++)
ui->dataTable->setColumnWidth(i, ui->dataTable->horizontalHeader()->defaultSectionSize());
}
// Reset sorting
curBrowseOrderByIndex = 0;
curBrowseOrderByMode = Qt::AscendingOrder;
m_browseTableModel->sort(curBrowseOrderByIndex, curBrowseOrderByMode);
ui->dataTable->filterHeader()->setSortIndicator(curBrowseOrderByIndex, curBrowseOrderByMode);
// Update the filter row
qobject_cast<FilterTableHeader*>(ui->dataTable->horizontalHeader())->generateFilters(m_browseTableModel->columnCount());
// Activate the add and delete record buttons and editing only if a table has been selected
bool is_table = db.getObjectByName(tablename).gettype() == "table";
ui->buttonNewRecord->setEnabled(is_table);
ui->buttonDeleteRecord->setEnabled(is_table);
ui->dataTable->setEditTriggers(is_table ? QAbstractItemView::SelectedClicked | QAbstractItemView::AnyKeyPressed | QAbstractItemView::EditKeyPressed : QAbstractItemView::NoEditTriggers);
// Set the recordset label
setRecordsetLabel();
// Reset the edit dialog
if(editWin)
editWin->reset();
// update plot
updatePlot(m_browseTableModel);
QApplication::restoreOverrideCursor();
}
void MainWindow::resetBrowser()
{
const QString sCurrentTable = ui->comboBrowseTable->currentText();
ui->comboBrowseTable->clear();
const objectMap& tab = db.getBrowsableObjects();
// fill a objmap which is sorted by table/view names
QMap<QString, DBBrowserObject> objmap;
for(objectMap::ConstIterator i=tab.begin();i!=tab.end();++i)
{
objmap[i.value().getname()] = i.value();;
}
// Finally fill the combobox in sorted order
for(QMap<QString, DBBrowserObject>::ConstIterator it=objmap.constBegin();
it!=objmap.constEnd();
++it)
{
ui->comboBrowseTable->addItem(
QIcon(QString(":icons/%1").arg((*it).gettype())),
(*it).getname());
}
setRecordsetLabel();
int pos = ui->comboBrowseTable->findText(sCurrentTable);
pos = pos == -1 ? 0 : pos;
ui->comboBrowseTable->setCurrentIndex(pos);
curBrowseOrderByIndex = 0;
curBrowseOrderByMode = Qt::AscendingOrder;
m_browseTableModel->sort(curBrowseOrderByIndex, curBrowseOrderByMode);
populateTable(ui->comboBrowseTable->currentText());
}
void MainWindow::fileClose()
{
if(!db.close())
return;
setWindowTitle(QApplication::applicationName());
resetBrowser();
populateStructure();
loadPragmas();
// Delete the model for the Browse tab and create a new one
delete m_browseTableModel;
m_browseTableModel = new SqliteTableModel(this, &db, PreferencesDialog::getSettingsValue("db", "prefetchsize").toInt());
connect(ui->dataTable->filterHeader(), SIGNAL(filterChanged(int,QString)), m_browseTableModel, SLOT(updateFilter(int,QString)));
// Remove all stored column widths for the browse data table
browseTableColumnWidths.clear();
// Manually update the recordset label inside the Browse tab now
setRecordsetLabel();
// Reset the plot dock model
updatePlot(0);
activateFields(false);
ui->buttonLogClear->click();
for(int i=ui->tabSqlAreas->count()-1;i>=0;i--)
closeSqlTab(i, true);
}
void MainWindow::closeEvent( QCloseEvent* event )
{
if(db.close())
{
PreferencesDialog::setSettingsValue("MainWindow", "geometry", saveGeometry());
PreferencesDialog::setSettingsValue("MainWindow", "windowState", saveState());
PreferencesDialog::setSettingsValue("SQLLogDock", "Log", ui->comboLogSubmittedBy->currentText());
PreferencesDialog::setSettingsValue("PlotDock", "splitterSize", ui->splitterForPlot->saveState());
clearCompleterModelsFields();
QMainWindow::closeEvent(event);
} else {
event->ignore();
}
}
void MainWindow::addRecord()
{
int row = m_browseTableModel->rowCount();
if(m_browseTableModel->insertRow(row))
{
selectTableLine(row);
} else {
QMessageBox::warning( this, QApplication::applicationName(), tr("Error adding record:\n") + db.lastErrorMessage);
}
}
void MainWindow::deleteRecord()
{
if(ui->dataTable->selectionModel()->hasSelection())
{
int old_row = ui->dataTable->currentIndex().row();
while(ui->dataTable->selectionModel()->hasSelection())
{
if(!m_browseTableModel->removeRow(ui->dataTable->selectionModel()->selectedIndexes().first().row()))
{
QMessageBox::warning(this, QApplication::applicationName(), tr("Error deleting record:\n%1").arg(db.lastErrorMessage));
break;
}
}
populateTable(ui->comboBrowseTable->currentText());
if(old_row > m_browseTableModel->totalRowCount())
old_row = m_browseTableModel->totalRowCount();
selectTableLine(old_row);
} else {
QMessageBox::information( this, QApplication::applicationName(), tr("Please select a record first"));
}
}
void MainWindow::selectTableLine(int lineToSelect)
{
// Are there even that many lines?
if(lineToSelect >= m_browseTableModel->totalRowCount())
return;
QApplication::setOverrideCursor( Qt::WaitCursor );
// Make sure this line has already been fetched
while(lineToSelect >= m_browseTableModel->rowCount() && m_browseTableModel->canFetchMore())
m_browseTableModel->fetchMore();
// Select it
ui->dataTable->clearSelection();
ui->dataTable->selectRow(lineToSelect);
ui->dataTable->scrollTo(ui->dataTable->currentIndex());
QApplication::restoreOverrideCursor();
}
void MainWindow::navigatePrevious()
{
int curRow = ui->dataTable->currentIndex().row();
curRow -= 100;
if(curRow < 0)
curRow = 0;
selectTableLine(curRow);
}
void MainWindow::navigateNext()
{
int curRow = ui->dataTable->currentIndex().row();
curRow += 100;
if(curRow >= m_browseTableModel->totalRowCount())
curRow = m_browseTableModel->totalRowCount() - 1;
selectTableLine(curRow);
}
void MainWindow::navigateGoto()
{
int row = ui->editGoto->text().toInt();
if(row <= 0)
row = 1;
if(row > m_browseTableModel->totalRowCount())
row = m_browseTableModel->totalRowCount();
selectTableLine(row - 1);
ui->editGoto->setText(QString::number(row));
}
void MainWindow::setRecordsetLabel()
{
// Get all the numbers, i.e. the number of the first row and the last row as well as the total number of rows
int from = ui->dataTable->verticalHeader()->visualIndexAt(0) + 1;
int to = ui->dataTable->verticalHeader()->visualIndexAt(ui->dataTable->height()) - 1;
int total = m_browseTableModel->totalRowCount();
if(to == -2)
to = total;
// Update the validator of the goto row field
gotoValidator->setRange(0, total);
// Update the label showing the current position
ui->labelRecordset->setText(tr("%1 - %2 of %3").arg(from).arg(to).arg(total));
}
void MainWindow::browseRefresh()
{
populateTable(ui->comboBrowseTable->currentText());
}
void MainWindow::createTable()
{
if (!db.isOpen()){
QMessageBox::information( this, QApplication::applicationName(), tr("There is no database opened. Please open or create a new database file."));
return;
}
EditTableDialog dialog(&db, "", this);
if(dialog.exec())
{
populateStructure();
resetBrowser();
}
}
void MainWindow::createIndex()
{
if (!db.isOpen()){
QMessageBox::information( this, QApplication::applicationName(), tr("There is no database opened. Please open or create a new database file."));
return;
}
CreateIndexDialog dialog(&db, this);
if(dialog.exec())
{
populateStructure();
resetBrowser();
}
}
void MainWindow::compact()
{
VacuumDialog dialog(&db, this);
if(dialog.exec())
{
populateStructure();
resetBrowser();
}
}
void MainWindow::deleteObject()
{
// Get name and type of object to delete
QString table = ui->dbTreeWidget->model()->data(ui->dbTreeWidget->currentIndex().sibling(ui->dbTreeWidget->currentIndex().row(), 0)).toString();
QString type = ui->dbTreeWidget->model()->data(ui->dbTreeWidget->currentIndex().sibling(ui->dbTreeWidget->currentIndex().row(), 1)).toString();
// Ask user if he really wants to delete that table
if(QMessageBox::warning(this, QApplication::applicationName(), tr("Are you sure you want to delete the %1 '%2'?\nAll data associated with the %1 will be lost.").arg(type).arg(table),
QMessageBox::Yes, QMessageBox::No | QMessageBox::Default | QMessageBox::Escape) == QMessageBox::Yes)
{
// Delete the table
QString statement = QString("DROP %1 `%2`;").arg(type.toUpper()).arg(table);
if(!db.executeSQL( statement))
{
QString error = tr("Error: could not delete the %1. Message from database engine:\n%2").arg(type).arg(db.lastErrorMessage);
QMessageBox::warning(this, QApplication::applicationName(), error);
} else {
populateStructure();
resetBrowser();
}
}
}
void MainWindow::editTable()
{
if (!db.isOpen()){
QMessageBox::information( this, QApplication::applicationName(), tr("There is no database opened."));
return;
}
if(!ui->dbTreeWidget->selectionModel()->hasSelection()){
return;
}
QString tableToEdit = ui->dbTreeWidget->model()->data(ui->dbTreeWidget->currentIndex().sibling(ui->dbTreeWidget->currentIndex().row(), 0)).toString();
EditTableDialog dialog(&db, tableToEdit, this);
if(dialog.exec())
{
populateStructure();
resetBrowser();
}
}
void MainWindow::helpWhatsThis()
{
QWhatsThis::enterWhatsThisMode ();
}
void MainWindow::helpAbout()
{
AboutDialog dialog(this);
dialog.exec();
}
void MainWindow::updateRecordText(int row, int col, const QByteArray& newtext)
{
m_browseTableModel->setData(m_browseTableModel->index(row, col), newtext);
}
void MainWindow::editWinAway()
{
editWin->hide();
activateWindow();
ui->dataTable->setCurrentIndex(ui->dataTable->currentIndex().sibling(editWin->getCurrentRow(), editWin->getCurrentCol()));
}
void MainWindow::editText(const QModelIndex& index)
{
editWin->loadText(index.data(Qt::EditRole).toByteArray(), index.row(), index.column());
editWin->show();
}
void MainWindow::doubleClickTable(const QModelIndex& index)
{
if(!index.isValid())
return;
// Don't allow editing of other objects than tables
if(db.getObjectByName(ui->comboBrowseTable->currentText()).gettype() != "table")
return;
editText(index);
}
/*
* I'm still not happy how the results are represented to the user
* right now you only see the result of the last executed statement.
* A better experience would be tabs on the bottom with query results
* for all the executed statements.
* Or at least a some way the use could see results/status message
* per executed statement.
*/
void MainWindow::executeQuery()
{
SqlExecutionArea* sqlWidget = qobject_cast<SqlExecutionArea*>(ui->tabSqlAreas->currentWidget());
// Get SQL code to execute. This depends on the button that's been pressed
QString query;
bool singleStep = false;
if(sender()->objectName() == "actionSqlExecuteLine")
{
query = sqlWidget->getEditor()->document()->toPlainText().mid(sqlWidget->getEditor()->textCursor().block().position());
singleStep = true;
} else {
// if a part of the query is selected, we will only execute this part
query = sqlWidget->getSelectedSql();
if(query.isEmpty())
query = sqlWidget->getSql();
}
if (query.isEmpty())
return;
//log the query
db.logSQL(query, kLogMsg_User);
sqlite3_stmt *vm;
QByteArray utf8Query = query.toUtf8();
const char *tail = utf8Query.data();
int sql3status = 0;
QString statusMessage;
bool modified = false;
bool wasdirty = db.getDirty();
// there is no choice, we have to start a transaction before
// we create the prepared statement, otherwise every executed
// statement will get committed after the prepared statement
// gets finalized, see http://www.sqlite.org/lang_transaction.html
db.setRestorePoint();
//Accept multi-line queries, by looping until the tail is empty
QElapsedTimer timer;
timer.start();
do
{
const char* qbegin = tail;
sql3status = sqlite3_prepare_v2(db._db,tail,utf8Query.length(),
&vm, &tail);
QString queryPart = QString::fromUtf8(qbegin, tail - qbegin);
if (sql3status == SQLITE_OK){
sql3status = sqlite3_step(vm);
sqlite3_finalize(vm);
// SQLite returns SQLITE_DONE when a valid SELECT statement was executed but returned no results. To run into the branch that updates
// the status message and the table view anyway manipulate the status value here.
if(queryPart.trimmed().startsWith("SELECT", Qt::CaseInsensitive) && sql3status == SQLITE_DONE)
sql3status = SQLITE_ROW;
switch(sql3status)
{
case SQLITE_ROW:
{
sqlWidget->getModel()->setQuery(queryPart);
if(sqlWidget->getModel()->valid())
{
statusMessage = tr("%1 Rows returned from: %2 (took %3ms)").arg(
sqlWidget->getModel()->totalRowCount()).arg(queryPart.trimmed()).arg(timer.elapsed());
sqlWidget->enableSaveButton(true);
sql3status = SQLITE_OK;
}
else
{
statusMessage = tr("Error executing query: %1").arg(queryPart);
sql3status = SQLITE_ERROR;
}
}
case SQLITE_DONE:
case SQLITE_OK:
{
if( !queryPart.trimmed().startsWith("SELECT", Qt::CaseInsensitive) )
{
modified = true;
statusMessage = tr("Query executed successfully: %1 (took %2ms)").arg(queryPart.trimmed()).arg(timer.elapsed());
}
break;
}
default:
statusMessage = QString::fromUtf8((const char*)sqlite3_errmsg(db._db)) +
": " + queryPart;
break;
}
timer.restart();
// Stop after the first full statement if we're in single step mode
if(singleStep)
break;
} else {
statusMessage = QString::fromUtf8((const char*)sqlite3_errmsg(db._db)) +
": " + queryPart;
}
} while( tail && *tail != 0 && (sql3status == SQLITE_OK || sql3status == SQLITE_DONE));
sqlWidget->finishExecution(statusMessage);
updatePlot(sqlWidget->getModel());
if(!modified && !wasdirty)
db.revert(); // better rollback, if the logic is not enough we can tune it.
}
void MainWindow::mainTabSelected(int tabindex)
{
if(tabindex == 0)
{
populateStructure();
} else if(tabindex == 1) {
populateStructure();
resetBrowser();
} else if(tabindex == 2) {
loadPragmas();
}
}
void MainWindow::importTableFromCSV()
{
QString wFile = QFileDialog::getOpenFileName(
this,
tr("Choose a text file"),
PreferencesDialog::getSettingsValue("db", "defaultlocation").toString(),
tr("Text files(*.csv *.txt);;All files(*)"));
if (QFile::exists(wFile) )
{
ImportCsvDialog dialog(wFile, &db, this);
if(dialog.exec())
{
populateStructure();
resetBrowser();
QMessageBox::information(this, QApplication::applicationName(), tr("Import completed"));
}
}
}
void MainWindow::exportTableToCSV()
{
// Get the current table name if we are in the Browse Data tab
QString current_table;
if(ui->mainTab->currentIndex() == 0)
current_table = ui->dbTreeWidget->model()->data(ui->dbTreeWidget->currentIndex().sibling(ui->dbTreeWidget->currentIndex().row(), 0)).toString();
else if(ui->mainTab->currentIndex() == 1)
current_table = ui->comboBrowseTable->currentText();
// Open dialog
ExportCsvDialog dialog(&db, this, "", current_table);
dialog.exec();
}
void MainWindow::dbState( bool dirty )
{
ui->fileSaveAction->setEnabled(dirty);
ui->fileRevertAction->setEnabled(dirty);
}
void MainWindow::fileSave()
{
if(db.isOpen())
db.saveAll();
}
void MainWindow::fileRevert()
{
if (db.isOpen()){
QString msg = tr("Are you sure you want to undo all changes made to the database file '%1' since the last save?").arg(db.curDBFilename);
if(QMessageBox::question(this, QApplication::applicationName(), msg, QMessageBox::Yes | QMessageBox::Default, QMessageBox::No | QMessageBox::Escape) == QMessageBox::Yes)
{
db.revertAll();
populateStructure();
resetBrowser();
}
}
}
void MainWindow::exportDatabaseToSQL()
{
QString fileName = QFileDialog::getSaveFileName(
this,
tr("Choose a filename to export"),
PreferencesDialog::getSettingsValue("db", "defaultlocation").toString(),
tr("Text files(*.sql *.txt)"));
if(fileName.size())
{
if(!db.dump(fileName))
QMessageBox::warning(this, QApplication::applicationName(), tr("Export cancelled or failed."));
else
QMessageBox::information(this, QApplication::applicationName(), tr("Export completed."));
}
}
void MainWindow::importDatabaseFromSQL()
{
// Get file name to import
QString fileName = QFileDialog::getOpenFileName(
this,
tr("Choose a file to import"),
PreferencesDialog::getSettingsValue("db", "defaultlocation").toString(),
tr("Text files(*.sql *.txt);;All files(*)"));
// Cancel when file doesn't exist
if(!QFile::exists(fileName))
return;
// If there is already a database file opened ask the user whether to import into this one or a new one. If no DB is opened just ask for a DB name directly
QString newDbFile;
if((db.isOpen() && QMessageBox::question(this,
QApplication::applicationName(),
tr("Do you want to create a new database file to hold the imported data?\n"
"If you answer no we will attempt to import the data in the SQL file to the current database."),
QMessageBox::Yes, QMessageBox::No) == QMessageBox::Yes) || !db.isOpen())
{
newDbFile = QFileDialog::getSaveFileName(
this,
tr("Choose a filename to save under"),
PreferencesDialog::getSettingsValue("db", "defaultlocation").toString());
if(QFile::exists(newDbFile))
{
QMessageBox::information(this, QApplication::applicationName(), tr("File %1 already exists. Please choose a different name.").arg(newDbFile));
return;
} else if(newDbFile.size() == 0) {
return;
}
db.create(newDbFile);
loadExtensionsFromSettings();
}
// Open, read, execute and close file
QApplication::setOverrideCursor(Qt::WaitCursor);
QFile f(fileName);
f.open(QIODevice::ReadOnly);
if(!db.executeMultiSQL(f.readAll(), newDbFile.size() == 0))
QMessageBox::warning(this, QApplication::applicationName(), tr("Error importing data: %1").arg(db.lastErrorMessage));
else
QMessageBox::information(this, QApplication::applicationName(), tr("Import completed."));
f.close();
QApplication::restoreOverrideCursor();
// Refresh window when importing into an existing DB or - when creating a new file - just open it correctly
if(newDbFile.size())
{
fileOpen(newDbFile);
} else {
populateStructure();
resetBrowser();
}
}
void MainWindow::openPreferences()
{
PreferencesDialog dialog(this);
if(dialog.exec())
reloadSettings();
}
void MainWindow::createSyntaxHighlighters()
{
delete sqliteHighlighterLogApp;
delete sqliteHighlighterLogUser;
sqliteHighlighterLogApp = new SQLiteSyntaxHighlighter(ui->editLogApplication->document());
sqliteHighlighterLogUser = new SQLiteSyntaxHighlighter(ui->editLogUser->document());
}
//******************************************************************
//** Tree Events
//******************************************************************
//** Db Tree Context Menu
void MainWindow::createTreeContextMenu(const QPoint &qPoint)
{
if(!ui->dbTreeWidget->selectionModel()->hasSelection())
return;
QString type = ui->dbTreeWidget->model()->data(ui->dbTreeWidget->currentIndex().sibling(ui->dbTreeWidget->currentIndex().row(), 1)).toString();
if(type == "table" || type == "view" || type == "trigger" || type == "index")
popupTableMenu->exec(ui->dbTreeWidget->mapToGlobal(qPoint));
}
//** Tree selection changed
void MainWindow::changeTreeSelection()
{
// Just assume first that something's selected that can not be edited at all
ui->editDeleteObjectAction->setEnabled(false);
ui->editModifyTableAction->setEnabled(false);
if(!ui->dbTreeWidget->currentIndex().isValid())
return;
// Change the text of the actions
QString type = ui->dbTreeWidget->model()->data(ui->dbTreeWidget->currentIndex().sibling(ui->dbTreeWidget->currentIndex().row(), 1)).toString();
ui->editDeleteObjectAction->setIcon(QIcon(QString(":icons/%1_delete").arg(type)));
if(type == "view")
ui->editDeleteObjectAction->setText(tr("Delete View"));
else if(type == "trigger")
ui->editDeleteObjectAction->setText(tr("Delete Trigger"));
else if(type == "index")
ui->editDeleteObjectAction->setText(tr("Delete Index"));
else
ui->editDeleteObjectAction->setText(tr("Delete Table"));
// Activate actions
if(type == "table")
{
ui->editDeleteObjectAction->setEnabled(true);
ui->editModifyTableAction->setEnabled(true);
} else if(type == "view" || type == "trigger" || type == "index") {
ui->editDeleteObjectAction->setEnabled(true);
}
ui->actionExportCsvPopup->setEnabled(type == "table" || type == "view");
}
void MainWindow::openRecentFile()
{
QAction *action = qobject_cast<QAction *>(sender());
if (action)
fileOpen(action->data().toString());
}
void MainWindow::updateRecentFileActions()
{
QStringList files = PreferencesDialog::getSettingsValue("General", "recentFileList").toStringList();
int numRecentFiles = qMin(files.size(), (int)MaxRecentFiles);
for (int i = 0; i < numRecentFiles; ++i) {
QString text = tr("&%1 %2").arg(i + 1).arg(files[i]);
recentFileActs[i]->setText(text);
recentFileActs[i]->setData(files[i]);
recentFileActs[i]->setVisible(true);
}
for (int j = numRecentFiles; j < MaxRecentFiles; ++j)