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authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-01-20 01:29:50 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-01-20 01:29:50 +0000
commit8362bf63dea22bbf6736609b0f49c152f975eb63 (patch)
tree0eea3928e39e50fae91d4e68b21b1e6cbae25604 /kexi/kexidb/drivers/sqlite/sqlitevacuum.cpp
downloadkoffice-8362bf63dea22bbf6736609b0f49c152f975eb63.tar.gz
koffice-8362bf63dea22bbf6736609b0f49c152f975eb63.zip
Added old abandoned KDE3 version of koffice
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1077364 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kexi/kexidb/drivers/sqlite/sqlitevacuum.cpp')
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1 files changed, 150 insertions, 0 deletions
diff --git a/kexi/kexidb/drivers/sqlite/sqlitevacuum.cpp b/kexi/kexidb/drivers/sqlite/sqlitevacuum.cpp
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+++ b/kexi/kexidb/drivers/sqlite/sqlitevacuum.cpp
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+/* This file is part of the KDE project
+ Copyright (C) 2006 Jaroslaw Staniek <js@iidea.pl>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+
+#include <kexidb/global.h>
+#include "sqlitevacuum.h"
+
+#include <kstandarddirs.h>
+#include <kprogress.h>
+#include <kdebug.h>
+#include <klocale.h>
+#include <ktempfile.h>
+#include <kmessagebox.h>
+#include <kio/global.h>
+
+#include <qfileinfo.h>
+#include <qdir.h>
+#include <qapplication.h>
+#include <qprocess.h>
+#include <qcursor.h>
+
+#include <unistd.h>
+
+SQLiteVacuum::SQLiteVacuum(const QString& filePath)
+: m_filePath(filePath)
+{
+ m_process = 0;
+ m_percent = 0;
+ m_dlg = 0;
+ m_result = true;
+}
+
+SQLiteVacuum::~SQLiteVacuum()
+{
+ delete m_process;
+ if (m_dlg)
+ m_dlg->close();
+ delete m_dlg;
+}
+
+tristate SQLiteVacuum::run()
+{
+ const QString ksqlite_app = KStandardDirs::findExe( "ksqlite" );
+ if (ksqlite_app.isEmpty()) {
+ m_result = false;
+ return m_result;
+ }
+ QFileInfo fi(m_filePath);
+ if (!fi.isReadable()) {
+ KexiDBDrvWarn << "SQLiteVacuum::run(): No such file" << m_filePath << endl;
+ return false;
+ }
+ const uint origSize = fi.size();
+
+ QStringList args;
+ args << ksqlite_app << "-verbose-vacuum" << m_filePath << "vacuum";
+ m_process = new QProcess(args, this, "process");
+ m_process->setWorkingDirectory( QFileInfo(m_filePath).dir(true) );
+ connect( m_process, SIGNAL(readyReadStdout()), this, SLOT(readFromStdout()) );
+ connect( m_process, SIGNAL(processExited()), this, SLOT(processExited()) );
+ if (!m_process->start()) {
+ m_result = false;
+ return m_result;
+ }
+ m_dlg = new KProgressDialog(0, 0, i18n("Compacting database"),
+ "<qt>"+i18n("Compacting database \"%1\"...")
+ .arg("<nobr>"+QDir::convertSeparators(QFileInfo(m_filePath).fileName())+"</nobr>")
+ );
+ m_dlg->adjustSize();
+ m_dlg->resize(300, m_dlg->height());
+ connect(m_dlg, SIGNAL(cancelClicked()), this, SLOT(cancelClicked()));
+ m_dlg->setMinimumDuration(1000);
+ m_dlg->setAutoClose(true);
+ m_dlg->progressBar()->setTotalSteps(100);
+ m_dlg->exec();
+ while (m_process->isRunning()) {
+ readFromStdout();
+ usleep(50000);
+ }
+ delete m_process;
+ m_process = 0;
+ if (m_result == true) {
+ const uint newSize = QFileInfo(m_filePath).size();
+ const uint decrease = 100-100*newSize/origSize;
+ KMessageBox::information(0, i18n("The database has been compacted. Current size decreased by %1% to %2.")
+ .arg(decrease).arg(KIO::convertSize(newSize)));
+ }
+ return m_result;
+}
+
+void SQLiteVacuum::readFromStdout()
+{
+ while (true) {
+ QString s( m_process->readLineStdout() ); //readStdout();
+ if (s.isEmpty())
+ break;
+ m_dlg->progressBar()->setProgress(m_percent);
+// KexiDBDrvDbg << m_percent << " " << s << endl;
+ if (s.startsWith("VACUUM: ")) {
+ //set previously known progress
+ m_dlg->progressBar()->setProgress(m_percent);
+ //update progress info
+ if (s.mid(8,4)=="100%") {
+ m_percent = 100;
+ m_dlg->setAllowCancel(false);
+ m_dlg->setCursor(QCursor(Qt::WaitCursor));
+ }
+ else if (s.mid(9,1)=="%") {
+ m_percent = s.mid(8,1).toInt();
+ }
+ else if (s.mid(10,1)=="%") {
+ m_percent = s.mid(8,2).toInt();
+ }
+ m_process->writeToStdin(" ");
+ }
+ }
+}
+
+void SQLiteVacuum::processExited()
+{
+// KexiDBDrvDbg << sender()->name() << " EXIT" << endl;
+ m_dlg->close();
+ delete m_dlg;
+ m_dlg = 0;
+}
+
+void SQLiteVacuum::cancelClicked()
+{
+ if (!m_process->normalExit()) {
+ m_process->writeToStdin("q"); //quit
+ m_result = cancelled;
+ }
+}
+
+#include "sqlitevacuum.moc"