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/*********
*
* This file is part of BibleTime's source code, http://www.bibletime.info/.
*
* Copyright 1999-2011 by the BibleTime developers.
* The BibleTime source code is licensed under the GNU General Public License version 2.0.
*
**********/
#include "frontend/btmoduleindexdialog.h"
#include <QApplication>
#include <QMutexLocker>
#include "backend/managers/cswordbackend.h"
QMutex BtModuleIndexDialog::m_singleInstanceMutex;
bool BtModuleIndexDialog::indexAllModules(
const QList<const CSwordModuleInfo*> &modules)
{
QMutexLocker lock(&m_singleInstanceMutex);
if (modules.empty()) return true;
BtModuleIndexDialog d(modules.size());
d.show();
d.raise();
return d.indexAllModules2(modules);
}
BtModuleIndexDialog::BtModuleIndexDialog(int numModules)
: QProgressDialog(tr("Preparing to index modules..."), tr("Cancel"), 0,
numModules * 100, 0),
m_currentModuleIndex(0)
{
setWindowTitle(tr("Creating indices"));
setModal(true);
}
bool BtModuleIndexDialog::indexAllModules2(
const QList<const CSwordModuleInfo*> &modules)
{
bool success = true;
QList<CSwordModuleInfo *> indexedModules;
Q_FOREACH(const CSwordModuleInfo *cm, modules) {
Q_ASSERT(!cm->hasIndex());
/// \warning const_cast
CSwordModuleInfo *m = const_cast<CSwordModuleInfo*>(cm);
/*
Keep track of created indices to delete them on failure or
cancellation:
*/
indexedModules.append(m);
connect(this, SIGNAL(canceled()),
m, SLOT(cancelIndexing()));
connect(m, SIGNAL(indexingFinished()),
this, SLOT(slotFinished()));
connect(m, SIGNAL(indexingProgress(int)),
this, SLOT(slotModuleProgress(int)));
// Single module indexing blocks until finished:
setLabelText(tr("Creating index for work: %1").arg(m->name()));
if (!m->buildIndex()) success = false;
m_currentModuleIndex++;
disconnect(this, SIGNAL(canceled()),
m, SLOT(cancelIndexing()));
disconnect(m, SIGNAL(indexingFinished()),
this, SLOT(slotFinished()));
disconnect(m, SIGNAL(indexingProgress(int)),
this, SLOT(slotModuleProgress(int)));
if (wasCanceled()) success = false;
if (!success) break;
}
if (!success) {
// Delete already created indices:
Q_FOREACH(CSwordModuleInfo *m, indexedModules) {
if (m->hasIndex()) {
m->deleteIndex();
}
}
}
return success;
}
void BtModuleIndexDialog::slotModuleProgress(int percentage) {
setValue(m_currentModuleIndex * 100 + percentage);
qApp->processEvents();
}
void BtModuleIndexDialog::slotFinished() {
setValue(m_currentModuleIndex * 100 + 100);
qApp->processEvents();
}
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