#ifndef CONTAINERS_VIEW_H
#define CONTAINERS_VIEW_H

#include "piintrospection_containers_p.h"
#include "piqt.h"
#include "ui_containers_view.h"

#include <QAbstractItemModel>
#include <QDebug>
#include <QStyledItemDelegate>
#include <QWidget>

class ContainersModel: public QAbstractItemModel {
	Q_OBJECT

public:
	ContainersModel();

	void update(const PIVector<PIIntrospectionContainers::TypeInfo> & t);
	void clear();

	int rowCount(const QModelIndex & parent = QModelIndex()) const;
	int columnCount(const QModelIndex & parent = QModelIndex()) const;
	QModelIndex parent(const QModelIndex & child) const { return QModelIndex(); }
	QModelIndex index(int row, int column, const QModelIndex & parent = QModelIndex()) const;
	bool hasChildren(const QModelIndex & parent = QModelIndex()) const;
	QVariant headerData(int section, Qt::Orientation orientation, int role) const;
	QVariant data(const QModelIndex & index, int role) const;
	Qt::ItemFlags flags(const QModelIndex & index) const;
	void sort(int column, Qt::SortOrder order = Qt::AscendingOrder);

protected:
	PIVector<PIIntrospectionContainers::TypeInfo> cur_data;
	PIMap<uint, PIIntrospectionContainers::TypeInfo> prev_data;
	PIVector<llong> all, prev_all;
	Qt::SortOrder ls_order;
	int ls_column;
	bool mode_changes;

public slots:
	void setChangesMode(bool yes);
};


class ContainersDelegate: public QStyledItemDelegate {
	Q_OBJECT

public:
	ContainersDelegate(QAbstractItemModel * m) { model = m; }
	void paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const;
	QAbstractItemModel * model;
};


class ContainersView
	: public QWidget
	, private Ui::ContainersView {
	Q_OBJECT

public:
	ContainersView(QWidget * parent = 0);
	~ContainersView();
	void showContainers(const PIVector<PIIntrospectionContainers::TypeInfo> & t);
	void clear();

protected:
	void changeEvent(QEvent * e);

	ContainersModel * model;

private slots:
	void sessionSave(QByteArray * data) { *data = treeContainers->header()->saveState(); }
	void sessionLoad(QByteArray * data) { treeContainers->header()->restoreState(*data); }

public slots:
};


#endif // CONTAINERS_VIEW_H