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class QgsBrowserModel : QAbstractItemModel
{
%TypeHeaderCode
#include <qgsbrowsermodel.h>
%End
public:
explicit QgsBrowserModel( QObject *parent = 0 );
~QgsBrowserModel();
// implemented methods from QAbstractItemModel for read-only access
/** Used by other components to obtain information about each item provided by the model.
In many models, the combination of flags should include Qt::ItemIsEnabled and Qt::ItemIsSelectable. */
virtual Qt::ItemFlags flags( const QModelIndex &index ) const;
/** Used to supply item data to views and delegates. Generally, models only need to supply data
for Qt::DisplayRole and any application-specific user roles, but it is also good practice
to provide data for Qt::ToolTipRole, Qt::AccessibleTextRole, and Qt::AccessibleDescriptionRole.
See the Qt::ItemDataRole enum documentation for information about the types associated with each role. */
virtual QVariant data( const QModelIndex &index, int role = Qt::DisplayRole ) const;
/** Provides views with information to show in their headers. The information is only retrieved
by views that can display header information. */
virtual QVariant headerData( int section, Qt::Orientation orientation, int role = Qt::DisplayRole ) const;
/** Provides the number of rows of data exposed by the model. */
virtual int rowCount( const QModelIndex &parent = QModelIndex() ) const;
/** Provides the number of columns of data exposed by the model. List models do not provide this function
because it is already implemented in QAbstractListModel. */
virtual int columnCount( const QModelIndex &parent = QModelIndex() ) const;
/** Returns the index of the item in the model specified by the given row, column and parent index. */
virtual QModelIndex index( int row, int column, const QModelIndex & parent = QModelIndex() ) const;
QModelIndex findItem( QgsDataItem *item, QgsDataItem *parent = 0 ) const;
/** Returns the parent of the model item with the given index.
* If the item has no parent, an invalid QModelIndex is returned.
*/
virtual QModelIndex parent( const QModelIndex &index ) const;
/** Returns a list of mime that can describe model indexes */
virtual QStringList mimeTypes() const;
/** Returns an object that contains serialized items of data corresponding to the list of indexes specified */
virtual QMimeData * mimeData( const QModelIndexList &indexes ) const;
/** Handles the data supplied by a drag and drop operation that ended with the given action */
virtual bool dropMimeData( const QMimeData * data, Qt::DropAction action, int row, int column, const QModelIndex & parent );
QgsDataItem *dataItem( const QModelIndex &idx ) const;
bool hasChildren( const QModelIndex &parent = QModelIndex() ) const;
// Refresh item specified by path
void refresh( QString path );
// Refresh item childs
void refresh( const QModelIndex &index = QModelIndex() );
//! return index of a path
QModelIndex findPath( QString path );
void connectItem( QgsDataItem *item );
bool canFetchMore( const QModelIndex & parent ) const;
void fetchMore( const QModelIndex & parent );
public slots:
// Reload the whole model
void reload();
void beginInsertItems( QgsDataItem *parent, int first, int last );
void endInsertItems();
void beginRemoveItems( QgsDataItem *parent, int first, int last );
void endRemoveItems();
void addFavouriteDirectory( QString favDir );
void removeFavourite( const QModelIndex &index );
void updateProjectHome();
protected:
// populates the model
void addRootItems();
void removeRootItems();
};
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