QGIS API Documentation 3.29.0-Master (19d7edcfed)
qgsdataitemguiproviderregistry.cpp
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1/***************************************************************************
2 qgsdataitemguiproviderregistry.cpp
3 --------------------------------------
4 Date : October 2018
5 Copyright : (C) 2018 by Nyall Dawson
6 Email : nyall dot dawson at gmail dot com
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
16
17#include "qgsproviderregistry.h"
18
21
23
25{
26 qDeleteAll( mProviders );
27}
28
30{
31 mProviders.append( provider );
32}
33
35{
36 const int index = mProviders.indexOf( provider );
37 if ( index >= 0 )
38 delete mProviders.takeAt( index );
39}
40
42{
43 if ( !providerGuiRegistry )
44 return;
45
46 const QStringList providersList = providerGuiRegistry->providerList();
47
48 for ( const QString &key : providersList )
49 {
50 const QList<QgsDataItemGuiProvider *> providerList = providerGuiRegistry->dataItemGuiProviders( key );
51 // the function is a factory - we keep ownership of the returned providers
52 mProviders << providerList;
53 }
54}
void initializeFromProviderGuiRegistry(QgsProviderGuiRegistry *providerGuiRegistry)
Initializes the registry.
void removeProvider(QgsDataItemGuiProvider *provider)
Removes a provider implementation from the registry.
void addProvider(QgsDataItemGuiProvider *provider)
Adds a provider implementation to the registry.
Abstract base class for providers which affect how QgsDataItem items behave within the application GU...
A registry / canonical manager of GUI parts of data providers.
virtual const QList< QgsDataItemGuiProvider * > dataItemGuiProviders(const QString &providerKey)
Returns all data item gui providers registered in provider with providerKey.
QStringList providerList() const
Returns list of available providers by their keys.