plasma-framework/declarativeimports/qtextracomponents/columnproxymodel.h

73 lines
3.0 KiB
C
Raw Normal View History

/*
* Copyright 2012 by Aleix Pol Gonzalez <aleixpol@blue-systems.com>
*
* 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 COLUMNPROXYMODEL_H
#define COLUMNPROXYMODEL_H
#include <QAbstractListModel>
class ColumnProxyModel : public QAbstractListModel
{
Q_OBJECT
Q_PROPERTY(QModelIndex rootIndex READ rootIndex WRITE setRootIndex NOTIFY rootIndexChanged)
// Q_PROPERTY(QAbstractItemModel* sourceModel READ sourceModel WRITE setSourceModel) //rootIndex sets the model
Q_PROPERTY(int column READ column WRITE setColumn)
public:
ColumnProxyModel(QObject* parent = 0);
void setRootIndex(const QModelIndex& idx);
QModelIndex rootIndex() const;
void setSourceModel(QAbstractItemModel* sourceModel);
QAbstractItemModel* sourceModel() const { return m_sourceModel; }
int column() const;
void setColumn(int col);
Q_SCRIPTABLE static QModelIndex indexFromModel(QAbstractItemModel* model, int row, int column=0, const QModelIndex& parent=QModelIndex());
Q_SCRIPTABLE QModelIndex indexAt(int row, const QModelIndex& parent = QModelIndex()) const;
virtual QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const;
virtual int rowCount(const QModelIndex& parent = QModelIndex()) const;
virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
signals:
void rootIndexChanged();
private:
QModelIndex proxyIndex(const QModelIndex& sourceIndex) const;
QModelIndex sourceIndex(const QModelIndex& proxyIndex) const;
int m_column;
QModelIndex m_index;
QAbstractItemModel* m_sourceModel;
private slots:
void considerRowsAboutToBeInserted(const QModelIndex&,int,int);
void considerRowsAboutToBeMoved(const QModelIndex& sourceParent, int rA, int rB, const QModelIndex& destParent, int rD);
void considerRowsAboutToBeRemoved(const QModelIndex&,int,int);
void considerRowsRemoved(const QModelIndex&,int,int);
void considerRowsMoved(const QModelIndex&,int,int,const QModelIndex&,int);
void considerRowsInserted(const QModelIndex&,int,int);
void considerDataChanged(const QModelIndex& idxA, const QModelIndex& idxB);
void sourceDestroyed(QObject* source);
};
#endif