QGIS API Documentation
3.6.0-Noosa (5873452)
src
core
qgsfieldformatterregistry.cpp
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/***************************************************************************
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qgsfieldformatterregistry.cpp - QgsFieldFormatterRegistry
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---------------------
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begin : 2.12.2016
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copyright : (C) 2016 by Matthias Kuhn
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email :
[email protected]
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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 "
qgsfieldformatterregistry.h
"
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#include "
qgsfieldformatter.h
"
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#include "
qgsvaluerelationfieldformatter.h
"
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#include "
qgsvaluemapfieldformatter.h
"
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#include "
qgsdatetimefieldformatter.h
"
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#include "
qgsrelationreferencefieldformatter.h
"
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#include "
qgskeyvaluefieldformatter.h
"
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#include "
qgslistfieldformatter.h
"
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#include "
qgsrangefieldformatter.h
"
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#include "
qgsfallbackfieldformatter.h
"
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QgsFieldFormatterRegistry::QgsFieldFormatterRegistry
( QObject *parent )
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: QObject( parent )
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{
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addFieldFormatter
(
new
QgsValueRelationFieldFormatter
() );
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addFieldFormatter
(
new
QgsValueMapFieldFormatter
() );
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addFieldFormatter
(
new
QgsRelationReferenceFieldFormatter
() );
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addFieldFormatter
(
new
QgsKeyValueFieldFormatter
() );
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addFieldFormatter
(
new
QgsListFieldFormatter
() );
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addFieldFormatter
(
new
QgsDateTimeFieldFormatter
() );
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addFieldFormatter
(
new
QgsRangeFieldFormatter
() );
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mFallbackFieldFormatter =
new
QgsFallbackFieldFormatter
();
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}
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QgsFieldFormatterRegistry::~QgsFieldFormatterRegistry
()
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{
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qDeleteAll( mFieldFormatters );
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delete
mFallbackFieldFormatter;
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}
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void
QgsFieldFormatterRegistry::addFieldFormatter
(
QgsFieldFormatter
*formatter )
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{
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mFieldFormatters.insert( formatter->
id
(), formatter );
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emit
fieldFormatterAdded
( formatter );
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}
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void
QgsFieldFormatterRegistry::removeFieldFormatter
(
QgsFieldFormatter
*formatter )
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{
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removeFieldFormatter
( formatter->
id
() );
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}
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void
QgsFieldFormatterRegistry::removeFieldFormatter
(
const
QString &
id
)
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{
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if
(
QgsFieldFormatter
*formatter = mFieldFormatters.take(
id
) )
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{
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emit
fieldFormatterRemoved
( formatter );
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delete
formatter;
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}
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}
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QgsFieldFormatter
*
QgsFieldFormatterRegistry::fieldFormatter
(
const
QString &
id
)
const
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{
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return
mFieldFormatters.value(
id
, mFallbackFieldFormatter );
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}
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QgsFieldFormatter
*
QgsFieldFormatterRegistry::fallbackFieldFormatter
()
const
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{
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return
mFallbackFieldFormatter;
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}
qgsfieldformatterregistry.h
QgsKeyValueFieldFormatter
Field formatter for a key value field.
Definition:
qgskeyvaluefieldformatter.h:33
QgsValueMapFieldFormatter
Field formatter for a ValueMap field.
Definition:
qgsvaluemapfieldformatter.h:39
QgsFieldFormatterRegistry::removeFieldFormatter
void removeFieldFormatter(QgsFieldFormatter *formatter)
Remove a field formatter from the registry.
Definition:
qgsfieldformatterregistry.cpp:55
QgsListFieldFormatter
Field formatter for a list field.
Definition:
qgslistfieldformatter.h:30
QgsFallbackFieldFormatter
A default fallback field formatter in case no specialized field formatter is defined.
Definition:
qgsfallbackfieldformatter.h:29
QgsFieldFormatter::id
virtual QString id() const =0
Returns a unique id for this field formatter.
qgsvaluemapfieldformatter.h
QgsFieldFormatterRegistry::addFieldFormatter
void addFieldFormatter(QgsFieldFormatter *formatter)
They will take precedence in order of adding them.
Definition:
qgsfieldformatterregistry.cpp:49
QgsFieldFormatterRegistry::fieldFormatterAdded
void fieldFormatterAdded(QgsFieldFormatter *formatter)
Will be emitted after a new field formatter has been added.
qgsvaluerelationfieldformatter.h
qgsfieldformatter.h
QgsValueRelationFieldFormatter
Field formatter for a value relation field.
Definition:
qgsvaluerelationfieldformatter.h:36
QgsFieldFormatterRegistry::fieldFormatter
QgsFieldFormatter * fieldFormatter(const QString &id) const
Gets a field formatter by its id.
Definition:
qgsfieldformatterregistry.cpp:69
qgskeyvaluefieldformatter.h
QgsFieldFormatterRegistry::fieldFormatterRemoved
void fieldFormatterRemoved(QgsFieldFormatter *formatter)
Will be emitted just before a field formatter is removed and deleted.
QgsFieldFormatter
A field formatter helps to handle and display values for a field.
Definition:
qgsfieldformatter.h:40
qgsfallbackfieldformatter.h
QgsFieldFormatterRegistry::QgsFieldFormatterRegistry
QgsFieldFormatterRegistry(QObject *parent=nullptr)
You should not normally need to create your own field formatter registry.
Definition:
qgsfieldformatterregistry.cpp:29
qgsrelationreferencefieldformatter.h
QgsRelationReferenceFieldFormatter
Field formatter for a relation reference field.
Definition:
qgsrelationreferencefieldformatter.h:30
QgsFieldFormatterRegistry::~QgsFieldFormatterRegistry
~QgsFieldFormatterRegistry() override
Definition:
qgsfieldformatterregistry.cpp:43
QgsDateTimeFieldFormatter
Field formatter for a date time field.
Definition:
qgsdatetimefieldformatter.h:30
qgslistfieldformatter.h
QgsFieldFormatterRegistry::fallbackFieldFormatter
QgsFieldFormatter * fallbackFieldFormatter() const
Returns a basic fallback field formatter which can be used to represent any field in an unspectacular...
Definition:
qgsfieldformatterregistry.cpp:74
qgsdatetimefieldformatter.h
qgsrangefieldformatter.h
QgsRangeFieldFormatter
Field formatter for a range (double) field with precision and locale.
Definition:
qgsrangefieldformatter.h:28
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