diff options
Diffstat (limited to 'src/qtgroupingproxy.h')
| -rw-r--r-- | src/qtgroupingproxy.h | 144 |
1 files changed, 72 insertions, 72 deletions
diff --git a/src/qtgroupingproxy.h b/src/qtgroupingproxy.h index 80ca4eec..aeef9f4b 100644 --- a/src/qtgroupingproxy.h +++ b/src/qtgroupingproxy.h @@ -1,17 +1,17 @@ /**************************************************************************************** - * Copyright (c) 2007-2010 Bart Cerneels <bart.cerneels@kde.org> * + * Copyright (c) 2007-2010 Bart Cerneels <bart.cerneels@kde.org> * * * - * This program 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 2 of the License, or (at your option) any later * - * version. * + * This program 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 2 of the License, 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. * + * 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 General Public License along with * - * this program. If not, see <http://www.gnu.org/licenses/>. * + * You should have received a copy of the GNU General Public License along with * this + *program. If not, see <http://www.gnu.org/licenses/>. * ****************************************************************************************/ // Modifications 2013-03-27 to 2013-03-28 by Sebastian Herbord @@ -20,11 +20,11 @@ #define GROUPINGPROXY_H #include <QAbstractProxyModel> +#include <QIcon> #include <QModelIndex> #include <QMultiHash> -#include <QStringList> -#include <QIcon> #include <QSet> +#include <QStringList> typedef QMap<int, QVariant> ItemData; typedef QMap<int, ItemData> RowData; @@ -34,11 +34,11 @@ class QtGroupingProxy : public QAbstractProxyModel Q_OBJECT public: - - static const unsigned int FLAG_NOSINGLE = 1; + static const unsigned int FLAG_NOSINGLE = 1; static const unsigned int FLAG_NOGROUPNAME = 2; - enum EAggregateFunction { + enum EAggregateFunction + { AGGR_NONE, // no aggregation, return child elements as list AGGR_EMPTY, // display nothing AGGR_FIRST, // return value of the topmost item @@ -47,92 +47,93 @@ public: }; public: - explicit QtGroupingProxy( QModelIndex rootNode = QModelIndex(), - int groupedColumn = -1, int groupedRole = Qt::DisplayRole, - unsigned int flags = 0, - int aggregateRole = Qt::DisplayRole); + explicit QtGroupingProxy(QModelIndex rootNode = QModelIndex(), int groupedColumn = -1, + int groupedRole = Qt::DisplayRole, unsigned int flags = 0, + int aggregateRole = Qt::DisplayRole); ~QtGroupingProxy(); void setSourceModel(QAbstractItemModel* model) override; - void setGroupedColumn( int groupedColumn ); + void setGroupedColumn(int groupedColumn); /* QAbstractProxyModel methods */ - virtual QModelIndex index( int, int c = 0, - const QModelIndex& parent = QModelIndex() ) const; - virtual Qt::ItemFlags flags( const QModelIndex &idx ) const; - virtual QModelIndex parent( const QModelIndex &idx ) const; - virtual int rowCount( const QModelIndex &idx = QModelIndex() ) const; - virtual int columnCount( const QModelIndex &idx ) const; - virtual QModelIndex mapToSource( const QModelIndex &idx ) const; - virtual QModelIndexList mapToSource( const QModelIndexList &list ) const; - virtual QModelIndex mapFromSource( const QModelIndex &idx ) const; - virtual QVariant data( const QModelIndex &idx, int role ) const; - virtual bool setData( const QModelIndex &index, const QVariant &value, - int role = Qt::EditRole ); - virtual QVariant headerData ( int section, Qt::Orientation orientation, - int role ) const; - virtual bool canFetchMore( const QModelIndex &parent ) const; - virtual void fetchMore( const QModelIndex &parent ); - virtual bool hasChildren( const QModelIndex &parent = QModelIndex() ) const; - virtual bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent); + virtual QModelIndex index(int, int c = 0, + const QModelIndex& parent = QModelIndex()) const; + virtual Qt::ItemFlags flags(const QModelIndex& idx) const; + virtual QModelIndex parent(const QModelIndex& idx) const; + virtual int rowCount(const QModelIndex& idx = QModelIndex()) const; + virtual int columnCount(const QModelIndex& idx) const; + virtual QModelIndex mapToSource(const QModelIndex& idx) const; + virtual QModelIndexList mapToSource(const QModelIndexList& list) const; + virtual QModelIndex mapFromSource(const QModelIndex& idx) const; + virtual QVariant data(const QModelIndex& idx, int role) const; + virtual bool setData(const QModelIndex& index, const QVariant& value, + int role = Qt::EditRole); + virtual QVariant headerData(int section, Qt::Orientation orientation, int role) const; + virtual bool canFetchMore(const QModelIndex& parent) const; + virtual void fetchMore(const QModelIndex& parent); + virtual bool hasChildren(const QModelIndex& parent = QModelIndex()) const; + virtual bool dropMimeData(const QMimeData* data, Qt::DropAction action, int row, + int column, const QModelIndex& parent); /* QtGroupingProxy methods */ - virtual QModelIndex addEmptyGroup( const RowData &data ); - virtual bool removeGroup( const QModelIndex &idx ); + virtual QModelIndex addEmptyGroup(const RowData& data); + virtual bool removeGroup(const QModelIndex& idx); protected slots: virtual void buildTree(); private slots: - void modelDataChanged( const QModelIndex &, const QModelIndex & ); - void modelRowsAboutToBeInserted( const QModelIndex &, int ,int ); - void modelRowsInserted( const QModelIndex &, int, int ); - void modelRowsAboutToBeRemoved( const QModelIndex &, int ,int ); - void modelRowsRemoved( const QModelIndex &, int, int ); + void modelDataChanged(const QModelIndex&, const QModelIndex&); + void modelRowsAboutToBeInserted(const QModelIndex&, int, int); + void modelRowsInserted(const QModelIndex&, int, int); + void modelRowsAboutToBeRemoved(const QModelIndex&, int, int); + void modelRowsRemoved(const QModelIndex&, int, int); void resetModel(); protected: /** Maps an item to a group. - * The return value is a list because an item can put in multiple groups. - * Inside the list is a 2 dimensional map. - * Mapped to column-number is another map of role-number to QVariant. - * This data prepolulates the group-data cache. The rest is gathered on demand - * from the children of the group. - */ - virtual QList<RowData> belongsTo( const QModelIndex &idx ); + * The return value is a list because an item can put in multiple groups. + * Inside the list is a 2 dimensional map. + * Mapped to column-number is another map of role-number to QVariant. + * This data prepolulates the group-data cache. The rest is gathered on demand + * from the children of the group. + */ + virtual QList<RowData> belongsTo(const QModelIndex& idx); /** - * calls belongsTo(), checks cached data and adds the index to existing or new groups. - * @returns the groups this index was added to where -1 means it was added to the root. - */ - QList<int> addSourceRow( const QModelIndex &idx ); + * calls belongsTo(), checks cached data and adds the index to existing or new groups. + * @returns the groups this index was added to where -1 means it was added to the + * root. + */ + QList<int> addSourceRow(const QModelIndex& idx); - bool isGroup( const QModelIndex &index ) const; - bool isAGroupSelected( const QModelIndexList &list ) const; + bool isGroup(const QModelIndex& index) const; + bool isAGroupSelected(const QModelIndexList& list) const; /** Maintains the group -> sourcemodel row mapping - * The reason a QList<int> is use instead of a QMultiHash is that the values have to be - * reordered when rows are inserted or removed. - * TODO:use some auto-incrementing container class (steveire's?) for the list - */ - QMap<quint32, QList<int> > m_groupMap; + * The reason a QList<int> is use instead of a QMultiHash is that the values have to + * be reordered when rows are inserted or removed. + * TODO:use some auto-incrementing container class (steveire's?) for the list + */ + QMap<quint32, QList<int>> m_groupMap; /** The data cache of the groups. - * This can be pre-loaded with data in belongsTo() - */ + * This can be pre-loaded with data in belongsTo() + */ QList<RowData> m_groupMaps; /** "instuctions" how to create an item in the tree. - * This is used by parent( QModelIndex ) - */ + * This is used by parent( QModelIndex ) + */ struct ParentCreate { int parentCreateIndex; int row; }; mutable QList<struct ParentCreate> m_parentCreateList; - /** @returns index of the "instructions" to recreate the parent. Will create new if it doesn't exist yet. - */ - int indexOfParentCreate( const QModelIndex &parent ) const; + /** @returns index of the "instructions" to recreate the parent. Will create new if it + * doesn't exist yet. + */ + int indexOfParentCreate(const QModelIndex& parent) const; QModelIndexList m_selectedGroups; @@ -147,7 +148,6 @@ private: int m_groupedRole; int m_aggregateRole; - }; -#endif //GROUPINGPROXY_H +#endif // GROUPINGPROXY_H |