rssguard/src/core/messagesmodel.h
2015-11-13 11:18:47 +01:00

123 lines
3.9 KiB
C++
Executable file

// This file is part of RSS Guard.
//
// Copyright (C) 2011-2015 by Martin Rotter <rotter.martinos@gmail.com>
//
// RSS Guard is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// RSS Guard is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with RSS Guard. If not, see <http://www.gnu.org/licenses/>.
#ifndef MESSAGESMODEL_H
#define MESSAGESMODEL_H
#include "definitions/definitions.h"
#include "core/feedsselection.h"
#include "core/message.h"
#include "core/rootitem.h"
#include <QSqlTableModel>
#include <QFont>
#include <QIcon>
class MessagesModel : public QSqlTableModel {
Q_OBJECT
public:
// Enum which describes basic filtering schemes
// for messages.
enum MessageHighlighter {
NoHighlighting = 100,
HighlightUnread = 101,
HighlightImportant = 102
};
// Constructors and destructors.
explicit MessagesModel(QObject *parent = 0);
virtual ~MessagesModel();
// Model implementation.
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
QVariant data(int row, int column, int role = Qt::DisplayRole) const;
QVariant headerData(int section, Qt::Orientation orientation, int role) const;
Qt::ItemFlags flags(const QModelIndex &index) const;
// Returns message at given index.
Message messageAt(int row_index) const;
int messageId(int row_index) const;
void updateDateFormat();
void reloadWholeLayout();
// CORE messages manipulators.
// NOTE: These are used to change properties of one message.
// NOTE: Model is NOT reset after one of these methods are applied
// but changes ARE written to the database.
bool switchMessageImportance(int row_index);
bool setMessageRead(int row_index, int read);
// BATCH messages manipulators.
// NOTE: These methods are used for changing of attributes of
// many messages via DIRECT SQL calls.
// NOTE: Model is reset after one of these methods is applied and
// changes ARE written to the database.
bool switchBatchMessageImportance(const QModelIndexList &messages);
bool setBatchMessagesDeleted(const QModelIndexList &messages, int deleted);
bool setBatchMessagesRead(const QModelIndexList &messages, RootItem::ReadStatus read);
bool setBatchMessagesRestored(const QModelIndexList &messages);
// Fetches ALL available data to the model.
void fetchAllData();
// Filters messages
void highlightMessages(MessageHighlighter highlight);
public slots:
// Loads messages of given feeds.
void loadMessages(const FeedsSelection &selection);
signals:
// Emitted if some persistent change is made which affects count of "unread/all" messages.
void messageCountsChanged(FeedsSelection::SelectionMode mode, bool total_msg_count_changed, bool any_msg_restored);
private slots:
// To disable persistent changes submissions.
bool submitAll();
private:
// Sets up header data.
void setupHeaderData();
// Creates "normal" and "bold" fonts.
void setupFonts();
// Sets up all icons which are used directly by this model.
void setupIcons();
MessageHighlighter m_messageHighlighter;
QString m_customDateFormat;
FeedsSelection m_currentSelection;
QList<QString> m_headerData;
QList<QString> m_tooltipData;
QFont m_normalFont;
QFont m_boldFont;
QIcon m_favoriteIcon;
QIcon m_readIcon;
QIcon m_unreadIcon;
};
Q_DECLARE_METATYPE(MessagesModel::MessageHighlighter)
#endif // MESSAGESMODEL_H