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/* -*- 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 "directsql.hxx"
#include "dbu_dlg.hrc"
#include <vcl/layout.hxx>
#include <comphelper/types.hxx>
#include <vcl/svapp.hxx>
#include <osl/mutex.hxx>
#include <tools/diagnose_ex.h>
#include <rtl/strbuf.hxx>
#include <com/sun/star/sdbc/XRow.hpp>
namespace dbaui
{
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::lang;
// DirectSQLDialog
DirectSQLDialog::DirectSQLDialog( vcl::Window* _pParent, const Reference< XConnection >& _rxConn )
:ModalDialog(_pParent, "DirectSQLDialog" , "dbaccess/ui/directsqldialog.ui")
,m_nHistoryLimit(20)
,m_nStatusCount(1)
,m_xConnection(_rxConn)
{
get(m_pSQL,"sql");
Size aSize(m_pSQL->CalcBlockSize(60, 7));
m_pSQL->set_width_request(aSize.Width());
m_pSQL->set_height_request(aSize.Height());
get(m_pExecute,"execute");
get(m_pSQLHistory,"sqlhistory");
get(m_pStatus,"status");
aSize = m_pStatus->CalcBlockSize(60, 5);
m_pStatus->set_height_request(aSize.Height());
get(m_pShowOutput,"showoutput");
get(m_pOutput,"output");
aSize = m_pOutput->CalcBlockSize(60, 5);
m_pOutput->set_height_request(aSize.Height());
get(m_pClose,"close");
m_pSQL->GrabFocus();
m_pExecute->SetClickHdl(LINK(this, DirectSQLDialog, OnExecute));
m_pClose->SetClickHdl(LINK(this, DirectSQLDialog, OnClose));
m_pSQLHistory->SetSelectHdl(LINK(this, DirectSQLDialog, OnListEntrySelected));
m_pSQLHistory->SetDropDownLineCount(10);
// 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_pSQL->SetModifyHdl(LINK(this, DirectSQLDialog, OnStatementModified));
OnStatementModified(m_pSQL);
}
DirectSQLDialog::~DirectSQLDialog()
{
disposeOnce();
}
void DirectSQLDialog::dispose()
{
{
::osl::MutexGuard aGuard(m_aMutex);
stopAllComponentListening();
}
m_pSQL.clear();
m_pExecute.clear();
m_pSQLHistory.clear();
m_pStatus.clear();
m_pShowOutput.clear();
m_pOutput.clear();
m_pClose.clear();
ModalDialog::dispose();
}
void DirectSQLDialog::_disposing( const EventObject& _rSource )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard(m_aMutex);
OSL_ENSURE(Reference< XConnection >(_rSource.Source, UNO_QUERY).get() == m_xConnection.get(),
"DirectSQLDialog::_disposing: where does this come from?");
(void)_rSource;
{
OUString sMessage(ModuleRes(STR_DIRECTSQL_CONNECTIONLOST));
ScopedVclPtrInstance< MessageDialog > aError(this, sMessage);
aError->Execute();
}
PostUserEvent(LINK(this, DirectSQLDialog, OnClose), NULL, true);
}
sal_Int32 DirectSQLDialog::getHistorySize() const
{
CHECK_INVARIANTS("DirectSQLDialog::getHistorySize");
return m_aStatementHistory.size();
}
void DirectSQLDialog::implEnsureHistoryLimit()
{
CHECK_INVARIANTS("DirectSQLDialog::implEnsureHistoryLimit");
if (getHistorySize() <= m_nHistoryLimit)
// nothing to do
return;
sal_Int32 nRemoveEntries = getHistorySize() - m_nHistoryLimit;
while (nRemoveEntries--)
{
m_aStatementHistory.pop_front();
m_aNormalizedHistory.pop_front();
m_pSQLHistory->RemoveEntry((sal_uInt16)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);
sNormalized = sNormalized.replaceAll("\n", " ");
m_aNormalizedHistory.push_back(sNormalized);
// add the normalized version to the list box
m_pSQLHistory->InsertEntry(sNormalized);
// ensure that we don't exceed the history limit
implEnsureHistoryLimit();
}
#ifdef DBG_UTIL
const sal_Char* DirectSQLDialog::impl_CheckInvariants() const
{
if (m_aStatementHistory.size() != m_aNormalizedHistory.size())
return "statement history is inconsistent!";
if (!m_pSQLHistory)
return "invalid listbox!";
if (m_aStatementHistory.size() != static_cast<size_t>(m_pSQLHistory->GetEntryCount()))
return "invalid listbox entry count!";
if (!m_xConnection.is())
return "have no connection!";
return NULL;
}
#endif
void DirectSQLDialog::implExecuteStatement(const OUString& _rStatement)
{
CHECK_INVARIANTS("DirectSQLDialog::implExecuteStatement");
::osl::MutexGuard aGuard(m_aMutex);
OUString sStatus;
css::uno::Reference< css::sdbc::XResultSet > xResultSet;
try
{
// create a statement
Reference< XStatement > xStatement = m_xConnection->createStatement();
OSL_ENSURE(xStatement.is(), "DirectSQLDialog::implExecuteStatement: no statement returned by the connection!");
// clear the output box
m_pOutput->SetText(OUString());
if (xStatement.is())
{
if (OUString(_rStatement).toAsciiUpperCase().startsWith("SELECT") && m_pShowOutput->IsChecked())
{
// execute it as a query
xResultSet = xStatement->executeQuery(_rStatement);
// get a handle for the rows
css::uno::Reference< css::sdbc::XRow > xRow( xResultSet, css::uno::UNO_QUERY );
// work through each of the rows
while (xResultSet->next())
{
// initialise the output line for each row
OUString out("");
// work along the columns until that are none left
try
{
int i = 1;
for (;;)
{
// be dumb, treat everything as a string
out += xRow->getString(i) + ",";
i++;
}
}
// trap for when we fall off the end of the row
catch (const SQLException&)
{
}
// report the output
addOutputText(OUString(out));
}
} else {
// execute it
xStatement->execute(_rStatement);
}
}
// successful
sStatus = ModuleRes(STR_COMMAND_EXECUTED_SUCCESSFULLY);
// dispose the statement
::comphelper::disposeComponent(xStatement);
}
catch(const SQLException& e)
{
sStatus = e.Message;
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
// add the status text
addStatusText(sStatus);
}
void DirectSQLDialog::addStatusText(const OUString& _rMessage)
{
OUString sAppendMessage = OUString::number(m_nStatusCount++) + ": " + _rMessage + "\n\n";
OUString sCompleteMessage = m_pStatus->GetText() + sAppendMessage;
m_pStatus->SetText(sCompleteMessage);
m_pStatus->SetSelection(Selection(sCompleteMessage.getLength(), sCompleteMessage.getLength()));
}
void DirectSQLDialog::addOutputText(const OUString& _rMessage)
{
OUString sAppendMessage = _rMessage;
sAppendMessage += "\n";
OUString sCompleteMessage = m_pOutput->GetText();
sCompleteMessage += sAppendMessage;
m_pOutput->SetText(sCompleteMessage);
}
void DirectSQLDialog::executeCurrent()
{
CHECK_INVARIANTS("DirectSQLDialog::executeCurrent");
OUString sStatement = m_pSQL->GetText();
// execute
implExecuteStatement(sStatement);
// add the statement to the history
implAddToStatementHistory(sStatement);
m_pSQL->SetSelection(Selection());
m_pSQL->GrabFocus();
}
void DirectSQLDialog::switchToHistory(sal_Int32 _nHistoryPos, bool _bUpdateListBox)
{
CHECK_INVARIANTS("DirectSQLDialog::switchToHistory");
if ((_nHistoryPos >= 0) && (_nHistoryPos < getHistorySize()))
{
// set the text in the statement editor
OUString sStatement = m_aStatementHistory[_nHistoryPos];
m_pSQL->SetText(sStatement);
OnStatementModified(m_pSQL);
if (_bUpdateListBox)
{
// selecte the normalized statement in the list box
m_pSQLHistory->SelectEntryPos((sal_uInt16)_nHistoryPos);
OSL_ENSURE(m_pSQLHistory->GetSelectEntry() == m_aNormalizedHistory[_nHistoryPos],
"DirectSQLDialog::switchToHistory: inconsistent listbox entries!");
}
m_pSQL->GrabFocus();
m_pSQL->SetSelection(Selection(sStatement.getLength(), sStatement.getLength()));
}
else
OSL_FAIL("DirectSQLDialog::switchToHistory: invalid position!");
}
IMPL_LINK_NOARG( DirectSQLDialog, OnStatementModified )
{
m_pExecute->Enable(!m_pSQL->GetText().isEmpty());
return 0L;
}
IMPL_LINK_NOARG( DirectSQLDialog, OnClose )
{
EndDialog( RET_OK );
return 0L;
}
IMPL_LINK_NOARG( DirectSQLDialog, OnExecute )
{
executeCurrent();
return 0L;
}
IMPL_LINK_NOARG( DirectSQLDialog, OnListEntrySelected )
{
if (!m_pSQLHistory->IsTravelSelect())
{
const sal_Int32 nSelected = m_pSQLHistory->GetSelectEntryPos();
if (LISTBOX_ENTRY_NOTFOUND != nSelected)
switchToHistory(nSelected, false);
}
return 0L;
}
} // namespace dbaui
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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