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#pragma once
#include <QAbstractItemModel>
#include <QModelIndex>
#include <QVariant>
#include <QList>
#include <QHash>
#include "library/treeitemmodel.h"
#include "library/treeitem.h"
class TreeItem;
// This class represents a folder item within the Browse Feature
// The class is derived from TreeItemModel to support lazy model
// initialization.
class FolderTreeModel : public TreeItemModel {
Q_OBJECT
public:
FolderTreeModel(QObject *parent = 0);
virtual ~FolderTreeModel();
virtual bool hasChildren(const QModelIndex& parent = QModelIndex()) const;
bool directoryHasChildren(const QString& path) const;
private:
// Used for memoizing the results of directoryHasChildren
mutable QHash<QString, bool> m_directoryCache;
};
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