/usr/include/qgis/qgsdataitemprovider.h is in libqgis-dev 2.18.17+dfsg-1.
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qgsdataitemprovider.h
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Date : March 2015
Copyright : (C) 2015 by Martin Dobias
Email : wonder dot sk at gmail dot com
***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef QGSDATAITEMPROVIDER_H
#define QGSDATAITEMPROVIDER_H
class QgsDataItem;
class QString;
/** \ingroup core
* This is the interface for those who want to add custom data items to the browser tree.
*
* The method createDataItem() is ever called only if capabilities() return non-zero value.
* There are two occasions when createDataItem() is called:
* 1. to create root items (passed path is empty, parent item is null).
* 2. to create items in directory structure. For this capabilities have to return at least
* of the following: QgsDataProider::Dir or QgsDataProvider::File. Passed path is the file
* or directory being inspected, parent item is a valid QgsDirectoryItem
*
* @note added in 2.10
*/
class CORE_EXPORT QgsDataItemProvider
{
public:
virtual ~QgsDataItemProvider() {}
//! Human-readable name of the provider name
virtual QString name() = 0;
//! Return combination of flags from QgsDataProvider::DataCapabilities
virtual int capabilities() = 0;
//! Create a new instance of QgsDataItem (or null) for given path and parent item.
//! Caller takes responsibility of deleting created items.
virtual QgsDataItem* createDataItem( const QString& path, QgsDataItem* parentItem ) = 0;
};
#endif // QGSDATAITEMPROVIDER_H
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