b8b474068e
This component will let the developer access different parts of the QAbstractItemModel implementations that are impossible to be accessed from QML. i.e. columns!=0 and the tree branches. REVIEW: 106272
73 lines
3.0 KiB
C++
73 lines
3.0 KiB
C++
/*
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* Copyright 2012 by Aleix Pol Gonzalez <aleixpol@blue-systems.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef COLUMNPROXYMODEL_H
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#define COLUMNPROXYMODEL_H
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#include <QAbstractListModel>
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class ColumnProxyModel : public QAbstractListModel
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{
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Q_OBJECT
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Q_PROPERTY(QModelIndex rootIndex READ rootIndex WRITE setRootIndex NOTIFY rootIndexChanged)
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// Q_PROPERTY(QAbstractItemModel* sourceModel READ sourceModel WRITE setSourceModel) //rootIndex sets the model
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Q_PROPERTY(int column READ column WRITE setColumn)
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public:
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ColumnProxyModel(QObject* parent = 0);
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void setRootIndex(const QModelIndex& idx);
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QModelIndex rootIndex() const;
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void setSourceModel(QAbstractItemModel* sourceModel);
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QAbstractItemModel* sourceModel() const { return m_sourceModel; }
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int column() const;
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void setColumn(int col);
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Q_SCRIPTABLE static QModelIndex indexFromModel(QAbstractItemModel* model, int row, int column=0, const QModelIndex& parent=QModelIndex());
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Q_SCRIPTABLE QModelIndex indexAt(int row, const QModelIndex& parent = QModelIndex()) const;
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virtual QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const;
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virtual int rowCount(const QModelIndex& parent = QModelIndex()) const;
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virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
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signals:
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void rootIndexChanged();
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private:
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QModelIndex proxyIndex(const QModelIndex& sourceIndex) const;
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QModelIndex sourceIndex(const QModelIndex& proxyIndex) const;
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int m_column;
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QModelIndex m_index;
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QAbstractItemModel* m_sourceModel;
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private slots:
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void considerRowsAboutToBeInserted(const QModelIndex&,int,int);
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void considerRowsAboutToBeMoved(const QModelIndex& sourceParent, int rA, int rB, const QModelIndex& destParent, int rD);
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void considerRowsAboutToBeRemoved(const QModelIndex&,int,int);
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void considerRowsRemoved(const QModelIndex&,int,int);
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void considerRowsMoved(const QModelIndex&,int,int,const QModelIndex&,int);
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void considerRowsInserted(const QModelIndex&,int,int);
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void considerDataChanged(const QModelIndex& idxA, const QModelIndex& idxB);
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void sourceDestroyed(QObject* source);
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};
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#endif
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