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src
core
metadata
qgslayermetadataproviderregistry.h
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/***************************************************************************
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qgslayermetadataproviderregistry.h - QgsLayerMetadataProviderRegistry
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---------------------
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begin : 17.8.2022
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copyright : (C) 2022 by Alessandro Pasotti
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email : elpaso at itopen dot it
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***************************************************************************
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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 General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSLAYERMETADATAPROVIDERREGISTRY_H
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#define QGSLAYERMETADATAPROVIDERREGISTRY_H
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#include <QObject>
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#include "qgis_core.h"
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#include "
qgis.h
"
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#include "
qgslayermetadata.h
"
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#include "
qgsabstractlayermetadataprovider.h
"
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class
QgsFeedback
;
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#ifdef SIP_RUN
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% ModuleHeaderCode
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#include "
qgsabstractlayermetadataprovider.h
"
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% End
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#endif
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class
CORE_EXPORT
QgsLayerMetadataProviderRegistry
:
public
QObject
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{
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Q_OBJECT
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public
:
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explicit
QgsLayerMetadataProviderRegistry
( QObject *parent =
nullptr
);
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void
registerLayerMetadataProvider(
QgsAbstractLayerMetadataProvider
*metadataProvider
SIP_TRANSFER
);
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void
unregisterLayerMetadataProvider(
QgsAbstractLayerMetadataProvider
*metadataProvider );
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QList<QgsAbstractLayerMetadataProvider *> layerMetadataProviders()
const
;
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QgsAbstractLayerMetadataProvider
*layerMetadataProviderFromId(
const
QString &
id
);
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const
QgsLayerMetadataSearchResults
search(
const
QgsMetadataSearchContext
&searchContext,
const
QString &searchString = QString(),
const
QgsRectangle
&geographicExtent =
QgsRectangle
(),
QgsFeedback
*feedback =
nullptr
);
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private
:
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QHash<QString, QgsAbstractLayerMetadataProvider *> mMetadataProviders;
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};
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#endif
// QGSLAYERMETADATAPROVIDERREGISTRY_H
QgsAbstractLayerMetadataProvider
Layer metadata provider backend interface.
Definition
qgsabstractlayermetadataprovider.h:215
QgsFeedback
Base class for feedback objects to be used for cancellation of something running in a worker thread.
Definition
qgsfeedback.h:44
QgsLayerMetadataProviderRegistry
Registry of layer metadata provider backends.
Definition
qgslayermetadataproviderregistry.h:45
QgsLayerMetadataSearchResults
Container of result records from a layer metadata search.
Definition
qgsabstractlayermetadataprovider.h:174
QgsRectangle
A rectangle specified with double values.
Definition
qgsrectangle.h:42
qgis.h
SIP_TRANSFER
#define SIP_TRANSFER
Definition
qgis_sip.h:36
qgsabstractlayermetadataprovider.h
qgslayermetadata.h
QgsMetadataSearchContext
Metadata search context.
Definition
qgsabstractlayermetadataprovider.h:38
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