QGIS API Documentation
3.0.2-Girona (307d082)
src
gui
layertree
qgslayertreeembeddedwidgetregistry.cpp
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/***************************************************************************
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qgslayertreeembeddedwidgetregistry.cpp
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--------------------------------------
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Date : May 2016
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Copyright : (C) 2016 by Martin Dobias
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Email : wonder dot sk at gmail dot com
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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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#include "
qgslayertreeembeddedwidgetregistry.h
"
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#include "
qgslayertreeembeddedwidgetsimpl.h
"
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QgsLayerTreeEmbeddedWidgetRegistry::QgsLayerTreeEmbeddedWidgetRegistry
()
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{
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// populate with default implementations
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addProvider
(
new
QgsLayerTreeOpacityWidget::Provider() );
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}
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QgsLayerTreeEmbeddedWidgetRegistry::~QgsLayerTreeEmbeddedWidgetRegistry
()
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{
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Q_FOREACH (
QgsLayerTreeEmbeddedWidgetProvider
*
provider
,
mProviders
)
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{
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removeProvider
( provider->
id
() );
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}
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}
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QStringList
QgsLayerTreeEmbeddedWidgetRegistry::providers
()
const
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{
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return
mProviders
.keys();
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}
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QgsLayerTreeEmbeddedWidgetProvider
*
QgsLayerTreeEmbeddedWidgetRegistry::provider
(
const
QString &providerId )
const
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{
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return
mProviders
.value( providerId );
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}
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bool
QgsLayerTreeEmbeddedWidgetRegistry::addProvider
(
QgsLayerTreeEmbeddedWidgetProvider
*
provider
)
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{
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if
(
mProviders
.contains( provider->
id
() ) )
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return
false
;
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mProviders
.insert( provider->
id
(),
provider
);
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return
true
;
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}
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bool
QgsLayerTreeEmbeddedWidgetRegistry::removeProvider
(
const
QString &providerId )
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{
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if
( !
mProviders
.contains( providerId ) )
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return
false
;
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delete
mProviders
.take( providerId );
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return
true
;
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}
QgsLayerTreeEmbeddedWidgetRegistry::addProvider
bool addProvider(QgsLayerTreeEmbeddedWidgetProvider *provider)
Register a provider, takes ownership of the object.
Definition:
qgslayertreeembeddedwidgetregistry.cpp:45
QgsLayerTreeEmbeddedWidgetRegistry::~QgsLayerTreeEmbeddedWidgetRegistry
~QgsLayerTreeEmbeddedWidgetRegistry()
Definition:
qgslayertreeembeddedwidgetregistry.cpp:27
QgsLayerTreeEmbeddedWidgetProvider::id
virtual QString id() const =0
Unique name of the provider (among other providers)
qgslayertreeembeddedwidgetsimpl.h
QgsLayerTreeEmbeddedWidgetRegistry::mProviders
QMap< QString, QgsLayerTreeEmbeddedWidgetProvider * > mProviders
storage of all the providers
Definition:
qgslayertreeembeddedwidgetregistry.h:108
QgsLayerTreeEmbeddedWidgetProvider
Provider interface to be implemented in order to introduce new kinds of embedded widgets for use in l...
Definition:
qgslayertreeembeddedwidgetregistry.h:35
QgsLayerTreeEmbeddedWidgetRegistry::providers
QStringList providers() const
Return list of all registered providers.
Definition:
qgslayertreeembeddedwidgetregistry.cpp:35
QgsLayerTreeEmbeddedWidgetRegistry::removeProvider
bool removeProvider(const QString &providerId)
Unregister a provider, the provider object is deleted.
Definition:
qgslayertreeembeddedwidgetregistry.cpp:54
qgslayertreeembeddedwidgetregistry.h
QgsLayerTreeEmbeddedWidgetRegistry::provider
QgsLayerTreeEmbeddedWidgetProvider * provider(const QString &providerId) const
Get provider object from the provider's ID.
Definition:
qgslayertreeembeddedwidgetregistry.cpp:40
QgsLayerTreeEmbeddedWidgetRegistry::QgsLayerTreeEmbeddedWidgetRegistry
QgsLayerTreeEmbeddedWidgetRegistry()
Constructor for QgsLayerTreeEmbeddedWidgetRegistry/.
Definition:
qgslayertreeembeddedwidgetregistry.cpp:21
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