160 lines
4.4 KiB
C++
160 lines
4.4 KiB
C++
/*
|
|
* Copyright 2010 by Marco MArtin <mart@kde.org>
|
|
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU Library General Public License as
|
|
* published by the Free Software Foundation; either version 2, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 Library General Public
|
|
* License along with this program; if not, write to the
|
|
* Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef DATAMODEL_H
|
|
#define DATAMODEL_H
|
|
|
|
#include <QAbstractItemModel>
|
|
#include <QSortFilterProxyModel>
|
|
#include <QVector>
|
|
|
|
#include <Plasma/DataEngine>
|
|
|
|
class QTimer;
|
|
|
|
namespace Plasma
|
|
{
|
|
|
|
class DataSource;
|
|
class DataModel;
|
|
|
|
|
|
class SortFilterModel : public QSortFilterProxyModel
|
|
{
|
|
Q_OBJECT
|
|
Q_PROPERTY(QObject *sourceModel READ sourceModel WRITE setModel)
|
|
|
|
Q_PROPERTY(QString filterRegExp READ filterRegExp WRITE setFilterRegExp)
|
|
Q_PROPERTY(QString filterRole READ filterRole WRITE setFilterRole)
|
|
Q_PROPERTY(QString sortRole READ sortRole WRITE setSortRole)
|
|
Q_PROPERTY(Qt::SortOrder sortOrder READ sortOrder WRITE setSortOrder)
|
|
Q_PROPERTY(int count READ count NOTIFY countChanged)
|
|
|
|
friend class DataModel;
|
|
|
|
public:
|
|
SortFilterModel(QObject* parent=0);
|
|
~SortFilterModel();
|
|
|
|
//FIXME: find a way to make QML understnd QAbstractItemModel
|
|
void setModel(QObject *source);
|
|
|
|
void setFilterRegExp(const QString &exp);
|
|
QString filterRegExp() const;
|
|
|
|
void setFilterRole(const QString &role);
|
|
QString filterRole() const;
|
|
|
|
void setSortRole(const QString &role);
|
|
QString sortRole() const;
|
|
|
|
void setSortOrder(const Qt::SortOrder order);
|
|
|
|
int count() const {return QSortFilterProxyModel::rowCount();}
|
|
|
|
Q_SIGNALS:
|
|
void countChanged();
|
|
|
|
protected:
|
|
int roleNameToId(const QString &name);
|
|
|
|
protected Q_SLOTS:
|
|
void syncRoleNames();
|
|
|
|
private:
|
|
QString m_filterRole;
|
|
QString m_sortRole;
|
|
QHash<QString, int> m_roleIds;
|
|
};
|
|
|
|
class DataModel : public QAbstractItemModel
|
|
{
|
|
Q_OBJECT
|
|
Q_PROPERTY(QObject *dataSource READ dataSource WRITE setDataSource)
|
|
Q_PROPERTY(QString keyRoleFilter READ keyRoleFilter WRITE setKeyRoleFilter)
|
|
Q_PROPERTY(QString sourceFilter READ sourceFilter WRITE setSourceFilter)
|
|
Q_PROPERTY(int count READ count NOTIFY countChanged)
|
|
|
|
public:
|
|
DataModel(QObject* parent=0);
|
|
~DataModel();
|
|
|
|
void setDataSource(QObject *source);
|
|
QObject *dataSource() const;
|
|
|
|
/**
|
|
* Include only items with a key that matches this regexp in the model
|
|
*/
|
|
void setKeyRoleFilter(const QString& key);
|
|
QString keyRoleFilter() const;
|
|
|
|
/**
|
|
* Include only items with a source name that matches this regexp in the model
|
|
* @since 4.7
|
|
*/
|
|
void setSourceFilter(const QString& key);
|
|
QString sourceFilter() const;
|
|
|
|
int roleNameToId(const QString &name);
|
|
|
|
//Reimplemented
|
|
QVariant data(const QModelIndex &index, int role) const;
|
|
QVariant headerData(int section, Qt::Orientation orientation,
|
|
int role = Qt::DisplayRole) const;
|
|
QModelIndex index(int row, int column,
|
|
const QModelIndex &parent = QModelIndex()) const;
|
|
QModelIndex parent(const QModelIndex &child) const;
|
|
int rowCount(const QModelIndex &parent = QModelIndex()) const;
|
|
int columnCount(const QModelIndex &parent = QModelIndex()) const;
|
|
|
|
int count() const {return countItems();}
|
|
|
|
protected:
|
|
void setItems(const QString &sourceName, const QVariantList &list);
|
|
inline int countItems() const;
|
|
|
|
Q_SIGNALS:
|
|
void countChanged();
|
|
|
|
private Q_SLOTS:
|
|
void dataUpdated(const QString &sourceName, const Plasma::DataEngine::Data &data);
|
|
void removeSource(const QString &sourceName);
|
|
|
|
private:
|
|
DataSource *m_dataSource;
|
|
QString m_keyRoleFilter;
|
|
QString m_sourceFilter;
|
|
QMap<QString, QVector<QVariant> > m_items;
|
|
QHash<int, QByteArray> m_roleNames;
|
|
QHash<QString, int> m_roleIds;
|
|
int m_maxRoleId;
|
|
};
|
|
|
|
int DataModel::countItems() const
|
|
{
|
|
int count = 0;
|
|
foreach (const QVector<QVariant> &v, m_items) {
|
|
count += v.count();
|
|
}
|
|
return count;
|
|
}
|
|
|
|
}
|
|
#endif
|