rssguard/src/core/feedsmodelrootitem.h
2013-12-28 17:40:22 +01:00

72 lines
2.0 KiB
C++
Executable File

#ifndef FEEDSMODELROOTITEM_H
#define FEEDSMODELROOTITEM_H
#include <QIcon>
// Represents ROOT item of FeedsModel.
// NOTE: This class is derived to add functionality for
// all other non-root items of FeedsModel.
class FeedsModelRootItem {
public:
// Describes the kind of the item.
enum Kind {
RootItem = 1001,
Feed = 1002,
Category = 1003
};
// Constructors and destructors.
explicit FeedsModelRootItem(FeedsModelRootItem *parent_item = NULL);
virtual ~FeedsModelRootItem();
// Basic operations.
virtual FeedsModelRootItem *parent() const;
virtual void setParent(FeedsModelRootItem *parent_item);
virtual FeedsModelRootItem *child(int row);
virtual void appendChild(FeedsModelRootItem *child);
virtual int childCount() const;
virtual int columnCount() const;
virtual int row() const;
virtual QVariant data(int column, int role) const;
// Each item offers "counts" of messages.
virtual int countOfUnreadMessages() const;
virtual int countOfAllMessages() const;
virtual Kind kind() const;
// Each item has icon.
QIcon icon() const;
void setIcon(const QIcon &icon);
// Each item has some kind of id.
int id() const;
void setId(int id);
// Each item has its title.
// NOTE: This is note entirely true for the root item.
QString title() const;
void setTitle(const QString &title);
// Access to children.
QList<FeedsModelRootItem *> childItems() const;
// Removes all childs from this item.
void clearChilds();
// Compares two model items.
static bool isEqual(FeedsModelRootItem *lhs, FeedsModelRootItem *rhs);
static bool lessThan(FeedsModelRootItem *lhs, FeedsModelRootItem *rhs);
protected:
Kind m_kind;
QString m_title;
int m_id;
QIcon m_icon;
QList<FeedsModelRootItem*> m_childItems;
FeedsModelRootItem *m_parentItem;
};
#endif // FEEDMODELROOTITEM_H