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#include <cassert>
#include <qcheckbox.h>
#include <qlineedit.h>
#include <QMainWindow>
#include <qpushbutton.h>
#include <qstatusbar.h>
#include <qtimer.h>
#include <qwidget.h>
#include <QStringList>
#include <QTime>
#include <QDebug>
#include <helpers.h>
// NPlugin
#include <iprovider.h>
// NApt
#include "iaptsearch.h"
#include "ipackagedb.h"
#include "complexscorecalculationstrategy.h"
#include "aptsearchplugin.h"
#include "aptsearchpluginshortinputwidget.h"
namespace NPlugin
{
const QString AptSearchPlugin::PLUGIN_NAME = "AptSearchPlugin";
AptSearchPlugin::AptSearchPlugin(NApt::IAptSearch* pAptSearch, NApt::IPackageDB* pPackageDb) :
_title(tr("Apt-Search Plugin")),
_briefDescription(tr("Performs a full text search")),
_description(tr("This plugin can be used to search the packages for expressions.")),
_pAptSearch(pAptSearch),
_pPackageDb(pPackageDb)
{
_pShortInputWidget = 0;
_pStatusBar = 0;
_pDelayTimer = new QTimer(this);
_pDelayTimer->setObjectName("delayTimer");
_delayTime=1000;
connect(_pDelayTimer, SIGNAL(timeout()), SLOT(evaluateSearch()));
_pScoreCalculationStrategy = new NApt::ComplexScoreCalculationStrategy(_pPackageDb);
}
AptSearchPlugin::~AptSearchPlugin()
{
delete _pShortInputWidget;
delete _pDelayTimer;
delete _pScoreCalculationStrategy;
}
/////////////////////////////////////////////////////
// Plugin Interface
/////////////////////////////////////////////////////
void AptSearchPlugin::init(IProvider* pProvider)
{
_pProvider = pProvider;
QMainWindow* pWindow = _pProvider->mainWindow();
_pShortInputWidget = new AptSearchPluginShortInputWidget(pWindow, "AptSearchShortInputWIdget");
_pShortInputWidget->setClearButton(
pProvider->createClearButton(_pShortInputWidget, "AptClearButton"), 0);
_pShortInputWidget->show();
_pStatusBar = pWindow->statusBar();
connect( _pShortInputWidget->_pClearButton, SIGNAL(clicked()), SLOT (onClearSearch()) );
connect(
_pShortInputWidget->_pAptSearchTextInput,
SIGNAL(textChanged(const QString&)),
SLOT(onInputTextChanged(const QString&))
);
connect(
_pShortInputWidget->_pAptSearchTextInput,
SIGNAL(returnPressed()),
SLOT(evaluateSearch())
);
connect(
_pShortInputWidget->_pSearchDescriptionsCheck,
SIGNAL(toggled(bool)),
SLOT(evaluateSearch())
);
connect(
_pShortInputWidget->_pWholeWords,
SIGNAL(toggled(bool)),
SLOT(evaluateSearch())
);
}
/////////////////////////////////////////////////////
// Search Plugin Interface
/////////////////////////////////////////////////////
QWidget* AptSearchPlugin::shortInputAndFeedbackWidget() const
{
return _pShortInputWidget;
}
void AptSearchPlugin::clearSearch()
{
_pShortInputWidget->_pAptSearchTextInput->clear();
_pDelayTimer->stop();
evaluateSearch();
}
bool AptSearchPlugin::isInactive() const
{
return _includePatterns.isEmpty();
}
/////////////////////////////////////////////////////
// ScorePlugin Interface
/////////////////////////////////////////////////////
map<string, float> AptSearchPlugin::getScore(const set<string>& packages) const
{
assert(!_includePatterns.empty());
_pScoreCalculationStrategy->clear();
_pScoreCalculationStrategy->setIncludePatterns(_includePatterns);
_pScoreCalculationStrategy->calculateScore(packages);
return _pScoreCalculationStrategy->getScore();
}
/////////////////////////////////////////////////////
// Helper Methods
/////////////////////////////////////////////////////
void AptSearchPlugin::onInputTextChanged(const QString&)
{
_pStatusBar->showMessage(tr("Delayed evaluation - waiting for further input"), _delayTime );
_pDelayTimer->setSingleShot(true);
_pDelayTimer->start(_delayTime);
}
void AptSearchPlugin::evaluateSearch()
{
// stop the delay timer in case that this evaluateSearch() was triggered by
// another event
_pDelayTimer->stop();
_pProvider->reportBusy(this, tr("Performing full text search on package database"));
_searchResult.clear();
parseSearchExpression(_pShortInputWidget->_pAptSearchTextInput->text());
if ( !isInactive() ) // if the search is not empty
{
QStringList patterns = this->searchPatterns();
try {
_pAptSearch->search(
_searchResult,
_includePatterns,
_pShortInputWidget->_pSearchDescriptionsCheck->isChecked(),
_pShortInputWidget->_pWholeWords->isChecked()
);
} catch (...) {
qCritical("apt-search threw an exception -> expect corrupted results");
}
}
_pProvider->reportReady(this);
emit searchChanged(this);
}
QStringList AptSearchPlugin::searchPatterns()
{
return _includePatterns;
}
void AptSearchPlugin::parseSearchExpression(const QString& expression)
{
_includePatterns.clear();
if (expression.isEmpty())
return;
_includePatterns = expression.split(' ', Qt::KeepEmptyParts);
}
} // namespace NPlugin
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