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
/* -*- 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 <directsql.hxx>
#include <strings.hrc>
#include <comphelper/types.hxx>
#include <editeng/colritem.hxx>
#include <editeng/wghtitem.hxx>
#include <editeng/eeitem.hxx>
#include <osl/mutex.hxx>
#include <svl/itemset.hxx>
#include <svtools/editsyntaxhighlighter.hxx>
#include <tools/diagnose_ex.h>
#include <vcl/event.hxx>
#include <vcl/svapp.hxx>
#include <vcl/weld.hxx>
#include <com/sun/star/sdbc/SQLException.hpp>
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/sdbc/XMultipleResults.hpp>

namespace dbaui
{
    SQLEditView::SQLEditView()
    {
    }

    void SQLEditView::DoBracketHilight(sal_uInt16 nKey)
    {
        ESelection aCurrentPos = m_xEditView->GetSelection();
        sal_Int32 nStartPos = aCurrentPos.nStartPos;
        const sal_uInt32 nStartPara = aCurrentPos.nStartPara;
        sal_uInt16 nCount = 0;
        int nChar = -1;

        switch (nKey)
        {
            case '\'':  // no break
            case '"':
            {
                nChar = nKey;
                break;
            }
            case '}' :
            {
                nChar = '{';
                break;
            }
            case ')':
            {
                nChar = '(';
                break;
            }
            case ']':
            {
                nChar = '[';
                break;
            }
        }

        if (nChar == -1)
            return;

        sal_uInt32 nPara = nStartPara;
        do
        {
            if (nPara == nStartPara && nStartPos == 0)
                continue;

            OUString aLine( m_xEditEngine->GetText( nPara ) );

            if (aLine.isEmpty())
                continue;

            for (sal_Int32 i = (nPara==nStartPara) ? nStartPos-1 : aLine.getLength()-1; i>0; --i)
            {
                if (aLine[i] == nChar)
                {
                    if (!nCount)
                    {
                        SfxItemSet aSet(m_xEditEngine->GetEmptyItemSet());
                        aSet.Put(SvxColorItem(Color(0,0,0), EE_CHAR_COLOR));
                        aSet.Put(SvxWeightItem(WEIGHT_ULTRABOLD, EE_CHAR_WEIGHT));
                        aSet.Put(SvxWeightItem(WEIGHT_ULTRABOLD, EE_CHAR_WEIGHT_CJK));
                        aSet.Put(SvxWeightItem(WEIGHT_ULTRABOLD, EE_CHAR_WEIGHT_CTL));

                        m_xEditEngine->QuickSetAttribs(aSet, ESelection(nPara, i, nPara, i + 1));
                        m_xEditEngine->QuickSetAttribs(aSet, ESelection(nStartPara, nStartPos, nStartPara, nStartPos));
                        return;
                    }
                    else
                        --nCount;
                }
                if (aLine[i] == nKey)
                    ++nCount;
            }
        } while (nPara--);
    }

    bool SQLEditView::KeyInput(const KeyEvent& rKEvt)
    {
        DoBracketHilight(rKEvt.GetCharCode());
        return WeldEditView::KeyInput(rKEvt);
    }

    using namespace ::com::sun::star::uno;
    using namespace ::com::sun::star::sdbc;
    using namespace ::com::sun::star::lang;

    constexpr sal_Int32 g_nHistoryLimit = 20;

    // DirectSQLDialog
    DirectSQLDialog::DirectSQLDialog(weld::Window* _pParent, const Reference< XConnection >& _rxConn)
        : GenericDialogController(_pParent, "dbaccess/ui/directsqldialog.ui", "DirectSQLDialog")
        , m_xExecute(m_xBuilder->weld_button("execute"))
        , m_xSQLHistory(m_xBuilder->weld_combo_box("sqlhistory"))
        , m_xStatus(m_xBuilder->weld_text_view("status"))
        , m_xShowOutput(m_xBuilder->weld_check_button("showoutput"))
        , m_xOutput(m_xBuilder->weld_text_view("output"))
        , m_xClose(m_xBuilder->weld_button("close"))
        , m_xSQL(new SQLEditView)
        , m_xSQLEd(new weld::CustomWeld(*m_xBuilder, "sql", *m_xSQL))
        , m_aHighlighter(HighlighterLanguage::SQL)
        , m_nStatusCount(1)
        , m_bInUpdate(false)
        , m_xConnection(_rxConn)
        , m_pClosingEvent(nullptr)
    {
        int nWidth = m_xStatus->get_approximate_digit_width() * 60;
        int nHeight = m_xStatus->get_height_rows(7);

        m_xSQLEd->set_size_request(nWidth, nHeight);
        m_xStatus->set_size_request(-1, nHeight);
        m_xOutput->set_size_request(-1, nHeight);

        m_xSQL->GrabFocus();

        m_xExecute->connect_clicked(LINK(this, DirectSQLDialog, OnExecute));
        m_xClose->connect_clicked(LINK(this, DirectSQLDialog, OnCloseClick));
        m_xSQLHistory->connect_changed(LINK(this, DirectSQLDialog, OnListEntrySelected));

        // add a dispose listener to the connection
        Reference< XComponent > xConnComp(m_xConnection, UNO_QUERY);
        OSL_ENSURE(xConnComp.is(), "DirectSQLDialog::DirectSQLDialog: invalid connection!");
        if (xConnComp.is())
            startComponentListening(xConnComp);

        m_xSQL->SetModifyHdl(LINK(this, DirectSQLDialog, OnStatementModified));
        OnStatementModified(nullptr);

        m_aUpdateDataTimer.SetTimeout(300);
        m_aUpdateDataTimer.SetInvokeHandler(LINK(this, DirectSQLDialog, ImplUpdateDataHdl));
    }

    DirectSQLDialog::~DirectSQLDialog()
    {
        ::osl::MutexGuard aGuard(m_aMutex);
        if (m_pClosingEvent)
            Application::RemoveUserEvent(m_pClosingEvent);
        stopAllComponentListening();
    }

    void DirectSQLDialog::_disposing( const EventObject& _rSource )
    {
        SolarMutexGuard aSolarGuard;
        ::osl::MutexGuard aGuard(m_aMutex);

        assert(!m_pClosingEvent);

        OSL_ENSURE(Reference< XConnection >(_rSource.Source, UNO_QUERY).get() == m_xConnection.get(),
            "DirectSQLDialog::_disposing: where does this come from?");

        {
            OUString sMessage(DBA_RES(STR_DIRECTSQL_CONNECTIONLOST));
            std::unique_ptr<weld::MessageDialog> xError(Application::CreateMessageDialog(m_xDialog.get(),
                                                        VclMessageType::Warning, VclButtonsType::Ok,
                                                        sMessage));
            xError->run();
        }

        m_pClosingEvent = Application::PostUserEvent(LINK(this, DirectSQLDialog, OnClose));
    }

    sal_Int32 DirectSQLDialog::getHistorySize() const
    {
        CHECK_INVARIANTS("DirectSQLDialog::getHistorySize");
        return m_aStatementHistory.size();
    }

    void DirectSQLDialog::implEnsureHistoryLimit()
    {
        CHECK_INVARIANTS("DirectSQLDialog::implEnsureHistoryLimit");

        if (getHistorySize() <= g_nHistoryLimit)
            // nothing to do
            return;

        sal_Int32 nRemoveEntries = getHistorySize() - g_nHistoryLimit;
        while (nRemoveEntries--)
        {
            m_aStatementHistory.pop_front();
            m_aNormalizedHistory.pop_front();
            m_xSQLHistory->remove(0);
        }
    }

    void DirectSQLDialog::implAddToStatementHistory(const OUString& _rStatement)
    {
        CHECK_INVARIANTS("DirectSQLDialog::implAddToStatementHistory");

        // add the statement to the history
        m_aStatementHistory.push_back(_rStatement);

        // normalize the statement, and remember the normalized form, too
        OUString sNormalized = _rStatement.replaceAll("\n", " ");
        m_aNormalizedHistory.push_back(sNormalized);

        // add the normalized version to the list box
        m_xSQLHistory->append_text(sNormalized);

        // ensure that we don't exceed the history limit
        implEnsureHistoryLimit();
    }

#ifdef DBG_UTIL
    const char* DirectSQLDialog::impl_CheckInvariants() const
    {
        if (m_aStatementHistory.size() != m_aNormalizedHistory.size())
            return "statement history is inconsistent!";

        if (!m_xSQLHistory)
            return "invalid listbox!";

        if (m_aStatementHistory.size() != static_cast<size_t>(m_xSQLHistory->get_count()))
            return "invalid listbox entry count!";

        if (!m_xConnection.is())
            return "have no connection!";

        return nullptr;
    }
#endif

    void DirectSQLDialog::implExecuteStatement(const OUString& _rStatement)
    {
        CHECK_INVARIANTS("DirectSQLDialog::implExecuteStatement");

        ::osl::MutexGuard aGuard(m_aMutex);

        OUString sStatus;

        // clear the output box
        m_xOutput->set_text(OUString());
        try
        {
            // create a statement
            Reference< XStatement > xStatement = m_xConnection->createStatement();

            Reference<XDatabaseMetaData> xMeta = m_xConnection->getMetaData();
            css::uno::Reference< css::sdbc::XMultipleResults > xMR ( xStatement, UNO_QUERY );

            if (xMeta.is() && xMeta->supportsMultipleResultSets() && xMR.is())
            {
                bool hasRS = xStatement->execute(_rStatement);
                if(hasRS)
                {
                    css::uno::Reference< css::sdbc::XResultSet > xRS (xMR->getResultSet());
                    if (m_xShowOutput->get_active())
                        display(xRS);
                }
                else
                    addOutputText(OUString::number(xMR->getUpdateCount()) + " rows updated\n");
                for (;;)
                {
                    hasRS = xMR->getMoreResults();
                    if (!hasRS && xMR->getUpdateCount() == -1)
                        break;
                    if(hasRS)
                    {
                        css::uno::Reference< css::sdbc::XResultSet > xRS (xMR->getResultSet());
                        if (m_xShowOutput->get_active())
                            display(xRS);
                    }
                }
            }
            else
            {
                if (_rStatement.toAsciiUpperCase().startsWith("SELECT"))
                {
                    css::uno::Reference< css::sdbc::XResultSet > xRS = xStatement->executeQuery(_rStatement);
                    if (m_xShowOutput->get_active())
                        display(xRS);
                }
                else
                {
                    sal_Int32 resultCount = xStatement->executeUpdate(_rStatement);
                    addOutputText(OUString::number(resultCount) + " rows updated\n");
                }
            }
            // successful
            sStatus = DBA_RES(STR_COMMAND_EXECUTED_SUCCESSFULLY);

            // dispose the statement
            ::comphelper::disposeComponent(xStatement);
        }
        catch(const SQLException& e)
        {
            sStatus = e.Message;
        }
        catch( const Exception& )
        {
            DBG_UNHANDLED_EXCEPTION("dbaccess");
        }

        // add the status text
        addStatusText(sStatus);
    }

    void DirectSQLDialog::display(const css::uno::Reference< css::sdbc::XResultSet >& xRS)
    {
        // get a handle for the rows
        css::uno::Reference< css::sdbc::XRow > xRow( xRS, css::uno::UNO_QUERY );
        // work through each of the rows
        while (xRS->next())
        {
            // initialise the output line for each row
            OUStringBuffer out;
            // work along the columns until that are none left
            try
            {
                int i = 1;
                for (;;)
                {
                    // be dumb, treat everything as a string
                    out.append(xRow->getString(i)).append(",");
                    i++;
                }
            }
            // trap for when we fall off the end of the row
            catch (const SQLException&)
            {
            }
            // report the output
            addOutputText(out.makeStringAndClear());
        }
    }

    void DirectSQLDialog::addStatusText(const OUString& _rMessage)
    {
        OUString sAppendMessage = OUString::number(m_nStatusCount++) + ": " + _rMessage + "\n\n";

        OUString sCompleteMessage = m_xStatus->get_text() + sAppendMessage;
        m_xStatus->set_text(sCompleteMessage);

        m_xStatus->select_region(sCompleteMessage.getLength(), sCompleteMessage.getLength());
    }

    void DirectSQLDialog::addOutputText(const OUString& _rMessage)
    {
        OUString sAppendMessage = _rMessage + "\n";

        OUString sCompleteMessage = m_xOutput->get_text() + sAppendMessage;
        m_xOutput->set_text(sCompleteMessage);
    }

    void DirectSQLDialog::executeCurrent()
    {
        CHECK_INVARIANTS("DirectSQLDialog::executeCurrent");

        OUString sStatement = m_xSQL->GetText();

        // execute
        implExecuteStatement(sStatement);

        // add the statement to the history
        implAddToStatementHistory(sStatement);

        m_xSQL->GrabFocus();
    }

    void DirectSQLDialog::switchToHistory(sal_Int32 _nHistoryPos)
    {
        CHECK_INVARIANTS("DirectSQLDialog::switchToHistory");

        if ((_nHistoryPos >= 0) && (_nHistoryPos < getHistorySize()))
        {
            // set the text in the statement editor
            OUString sStatement = m_aStatementHistory[_nHistoryPos];
            m_xSQL->SetText(sStatement);
            UpdateData();
            OnStatementModified(nullptr);

            m_xSQL->GrabFocus();
        }
        else
            OSL_FAIL("DirectSQLDialog::switchToHistory: invalid position!");
    }

    IMPL_LINK_NOARG( DirectSQLDialog, OnStatementModified, LinkParamNone*, void )<--- syntax error
    {
        if (m_bInUpdate)
            return;

        m_xExecute->set_sensitive(!m_xSQL->GetText().isEmpty());
        m_aUpdateDataTimer.Start();
    }

    IMPL_LINK_NOARG( DirectSQLDialog, OnCloseClick, weld::Button&, void )
    {
        m_xDialog->response(RET_OK);
    }

    IMPL_LINK_NOARG( DirectSQLDialog, OnClose, void*, void )
    {
        assert(m_pClosingEvent);
        Application::RemoveUserEvent(m_pClosingEvent);
        m_pClosingEvent = nullptr;

        m_xDialog->response(RET_OK);
    }

    IMPL_LINK_NOARG( DirectSQLDialog, OnExecute, weld::Button&, void )
    {
        executeCurrent();
    }

    IMPL_LINK_NOARG( DirectSQLDialog, OnListEntrySelected, weld::ComboBox&, void )
    {
        const sal_Int32 nSelected = m_xSQLHistory->get_active();
        if (nSelected != -1)
            switchToHistory(nSelected);
    }

    Color DirectSQLDialog::GetColorValue(TokenType aToken)
    {
        return MultiLineEditSyntaxHighlight::GetSyntaxHighlightColor(m_aColorConfig, m_aHighlighter.GetLanguage(), aToken);
    }

    IMPL_LINK_NOARG(DirectSQLDialog, ImplUpdateDataHdl, Timer*, void)
    {
        UpdateData();
    }

    void DirectSQLDialog::UpdateData()
    {
        m_bInUpdate = true;
        EditEngine& rEditEngine = m_xSQL->GetEditEngine();
        // syntax highlighting
        bool bOrigModified = rEditEngine.IsModified();
        for (sal_Int32 nLine=0; nLine < rEditEngine.GetParagraphCount(); ++nLine)
        {
            OUString aLine( rEditEngine.GetText( nLine ) );

            ESelection aAllLine(nLine, 0, nLine, EE_TEXTPOS_ALL);
            rEditEngine.RemoveAttribs(aAllLine, false, EE_CHAR_COLOR);
            rEditEngine.RemoveAttribs(aAllLine, false, EE_CHAR_WEIGHT);
            rEditEngine.RemoveAttribs(aAllLine, false, EE_CHAR_WEIGHT_CJK);
            rEditEngine.RemoveAttribs(aAllLine, false, EE_CHAR_WEIGHT_CTL);

            std::vector<HighlightPortion> aPortions;
            m_aHighlighter.getHighlightPortions( aLine, aPortions );
            for (auto const& portion : aPortions)
            {
                SfxItemSet aSet(rEditEngine.GetEmptyItemSet());
                aSet.Put(SvxColorItem(GetColorValue(portion.tokenType), EE_CHAR_COLOR));
                rEditEngine.QuickSetAttribs(aSet, ESelection(nLine, portion.nBegin, nLine, portion.nEnd));
            }
        }
        if (!bOrigModified)
            rEditEngine.ClearModifyFlag();
        m_bInUpdate = false;
    }

}   // namespace dbaui

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