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#ifndef __PACKAGESTATUSPLUGIN_H_2004_06_21
#define __PACKAGESTATUSPLUGIN_H_2004_06_21
#include <vector>
#include <map>
#include <QObject>
#include <shortinformationplugin.h>
#include <searchplugin.h>
#include "ipackage.h"
using namespace std;
class InstalledFilterWidget;
namespace NApt
{
class IPackageDB;
}
namespace NPlugin
{
/** @brief This Plugin offers information about the installed State of the package.
*
* It offers short information (an x if the package is installed and an empty string
* if not) and allows searching by installed status using the filter search technique.
*
* @author Benjamin Mesing
*/
// take care to keep the order of the subclasses (SearchPlugin must be first as it
// is the QT class
class PackageStatusPlugin : public SearchPlugin, public ShortInformationPlugin
{
Q_OBJECT
const QString _title;
const QString _briefDescription;
const QString _description;
/** @brief This enum must always match NApt::Package::InstalledState except for ALL. */
enum InstalledState
{
NOT_INSTALLED = NApt::IPackage::NOT_INSTALLED,
UPGRADABLE = NApt::IPackage::UPGRADABLE,
INSTALLED = NApt::IPackage::INSTALLED,
ALL = 100
};
/** This holds the currently selected installed state filter. */
InstalledState _installedFilter;
NApt::IPackageDB* _pPackageDB;
/** The widget where to select which packages should be shown. */
InstalledFilterWidget* _pInstalledFilterWidget;
/** The text to mark an installed package ("x") */
QString _installedText;
/** The text to mark a not installed package (empty string) */
QString _notInstalledText;
std::set<string> _emptyOpSet;
/** @brief This maps the installed state to how it shall be diplayed.
*
* So _stateToText[Package::INSTALLED] returns "x" while _stateToText[Package::NOT_INSTALLED] returns an empty string
*/
map<NApt::IPackage::InstalledState, QString> _stateToText;
public:
static const QString PLUGIN_NAME;
/**
*/
PackageStatusPlugin(NApt::IPackageDB* pPackageDB);
~PackageStatusPlugin() ;
/** @name Plugin Interface
*
* Implementation of the PluginInterface
*/
//@{
virtual void init(IProvider* pProvider);
/// @todo not yet implemented
virtual void setEnabled(bool) {};
/// @todo not yet implemented
virtual void setVisible(bool) {};
virtual QString name() const { return PLUGIN_NAME; }
virtual QString title() const { return _title; };
virtual QString briefDescription() const { return _briefDescription; };
virtual QString description() const { return _description; };
//@}
/** @name SearchPlugin interface
*
* Implementation of the SearchPlugin interface
*/
//@{
virtual uint searchPriority() const { return 2; }
/** @brief This plugin offers no input widgets. */
virtual QWidget* inputWidget() const { return 0; };
/** @brief This plugin offers no input widgets. */
virtual QString inputWidgetTitle() const { return _emptyString; };
virtual QWidget* shortInputAndFeedbackWidget() const;
virtual void clearSearch();
virtual bool usesFilterTechnique() const { return true; };
virtual const std::set<string>& searchResult() const { return _emptyOpSet; };
virtual bool filterPackage(const string& package) const;
/** Returns true if ALL is selected as filter. */
virtual bool isInactive() const;
//@}
/** @name ShortInformationPlugin interface
*
* Implementation of the ShortInformationPlugin interface
*/
//@{
virtual uint shortInformationPriority() const { return 2; }
virtual const QString shortInformationText(const string& package);
/** The caption for the short information is <b>I</b> for installed */
virtual QString shortInformationCaption() const { return QString("I"); };
// documented in base class
virtual int preferredColumnWidth() const { return 1; }
//@}
protected:
/** @brief Returns the state of the handed package.
*
* Returns NApt::Package::NOT_INSTALLED if the package is not in the database. */
NApt::IPackage::InstalledState getState(const string& package) const;
protected Q_SLOTS:
/** Called whenever the user selects a new installed filter.
* @param the item that was activated */
void onInstalledFilterChanged(int activated);
};
} // namespace NPlugin
#endif // __PACKAGESTATUSPLUGIN_H_2004_06_21
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