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#ifndef PLUGINVIEW_H
#define PLUGINVIEW_H

#include "extensionsystem_global.h"

#include <QtCore/QHash>
#include <QtGui/QWidget>
#include <QtGui/QIcon>

QT_BEGIN_NAMESPACE
class QTreeWidgetItem;
QT_END_NAMESPACE

namespace ExtensionSystem {

class PluginManager;
class PluginSpec;
class PluginCollection;

namespace Internal {
    class PluginViewPrivate;
namespace Ui {
    class PluginView;
} // namespace Ui
} // namespace Internal

class EXTENSIONSYSTEM_EXPORT PluginView : public QWidget
{
    Q_OBJECT

public:
    explicit PluginView(PluginManager *manager, QWidget *parent = 0);
    ~PluginView();

    PluginSpec *currentPlugin() const;

signals:
    void currentPluginChanged(ExtensionSystem::PluginSpec *spec);
    void pluginActivated(ExtensionSystem::PluginSpec *spec);
    void pluginSettingsChanged(ExtensionSystem::PluginSpec *spec);

private slots:
    void updatePluginSettings(QTreeWidgetItem *item, int column);
    void updateList();
    void selectPlugin(QTreeWidgetItem *current);
    void activatePlugin(QTreeWidgetItem *item);

private:
    enum ParsedState { ParsedNone = 1, ParsedPartial = 2, ParsedAll = 4, ParsedWithErrors = 8};
    QIcon iconForState(int state);
    void updatePluginDependencies();
    int parsePluginSpecs(QTreeWidgetItem *parentItem, Qt::CheckState &groupState, QList<PluginSpec*> plugins);

    Internal::Ui::PluginView *m_ui;
    Internal::PluginViewPrivate *p;
    QList<QTreeWidgetItem*> m_items;
    QHash<PluginSpec*, QTreeWidgetItem*> m_specToItem;

    QStringList m_whitelist;
    QIcon m_okIcon;
    QIcon m_errorIcon;
    QIcon m_notLoadedIcon;
    bool m_allowCheckStateUpdate;

    const int C_LOAD;
};

} // namespae ExtensionSystem

#endif // PLUGIN_VIEW_H