QGIS API Documentation  3.16.0-Hannover (43b64b13f3)
qgsscientificnumericformat.cpp
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1 /***************************************************************************
2  qgsscientificnumericformat.cpp
3  ----------------------------
4  begin : January 2020
5  copyright : (C) 2020 by Nyall Dawson
6  email : nyall dot dawson at gmail dot com
7 
8  ***************************************************************************
9  * *
10  * This program is free software; you can redistribute it and/or modify *
11  * it under the terms of the GNU General Public License as published by *
12  * the Free Software Foundation; either version 2 of the License, or *
13  * (at your option) any later version. *
14  * *
15  ***************************************************************************/
16 
18 #include "qgis.h"
19 
20 
22 {
23  mUseScientific = true;
24 }
25 
27 {
28  return QStringLiteral( "scientific" );
29 }
30 
32 {
33  return QObject::tr( "Scientific" );
34 }
35 
37 {
39 }
40 
41 QString QgsScientificNumericFormat::formatDouble( double value, const QgsNumericFormatContext &context ) const
42 {
43  return QgsBasicNumericFormat::formatDouble( value, context );
44 }
45 
47 {
48  return new QgsScientificNumericFormat( *this );
49 }
50 
51 QgsNumericFormat *QgsScientificNumericFormat::create( const QVariantMap &configuration, const QgsReadWriteContext &context ) const
52 {
53  std::unique_ptr< QgsScientificNumericFormat > res = qgis::make_unique< QgsScientificNumericFormat >();
54  res->setConfiguration( configuration, context );
55  res->setRoundingType( QgsBasicNumericFormat::DecimalPlaces );
56  return res.release();
57 }
58 
60 {
61  QVariantMap res = QgsBasicNumericFormat::configuration( context );
62  return res;
63 }
64 
66 {
68 }
QgsScientificNumericFormat::clone
QgsNumericFormat * clone() const override
Clones the format, returning a new object.
Definition: qgsscientificnumericformat.cpp:46
QgsBasicNumericFormat::mUseScientific
bool mUseScientific
Definition: qgsbasicnumericformat.h:168
QgsScientificNumericFormat::sortKey
int sortKey() override
Returns a sorting key value, where formats with a lower sort key will be shown earlier in lists.
Definition: qgsscientificnumericformat.cpp:36
QgsScientificNumericFormat::formatDouble
QString formatDouble(double value, const QgsNumericFormatContext &context) const override
Returns a formatted string representation of a numeric double value.
Definition: qgsscientificnumericformat.cpp:41
QgsReadWriteContext
The class is used as a container of context for various read/write operations on other objects.
Definition: qgsreadwritecontext.h:35
QgsBasicNumericFormat::numberDecimalPlaces
int numberDecimalPlaces() const
Returns the maximum number of decimal places to show.
Definition: qgsbasicnumericformat.cpp:167
QgsScientificNumericFormat::visibleName
QString visibleName() const override
Returns the translated, user-visible name for this format.
Definition: qgsscientificnumericformat.cpp:31
QgsBasicNumericFormat::setNumberDecimalPlaces
virtual void setNumberDecimalPlaces(int places)
Sets the maximum number of decimal places to show.
Definition: qgsbasicnumericformat.cpp:172
qgis.h
QgsNumericFormat
A numeric formatter allows for formatting a numeric value for display, using a variety of different f...
Definition: qgsnumericformat.h:218
QgsScientificNumericFormat::id
QString id() const override
Returns a unique id for this numeric format.
Definition: qgsscientificnumericformat.cpp:26
qgsscientificnumericformat.h
QgsScientificNumericFormat::create
QgsNumericFormat * create(const QVariantMap &configuration, const QgsReadWriteContext &context) const override
Creates a new copy of the format, using the supplied configuration.
Definition: qgsscientificnumericformat.cpp:51
QgsBasicNumericFormat::configuration
QVariantMap configuration(const QgsReadWriteContext &context) const override
Returns the current configuration of the formatter.
Definition: qgsbasicnumericformat.cpp:143
QgsBasicNumericFormat::formatDouble
QString formatDouble(double value, const QgsNumericFormatContext &context) const override
Returns a formatted string representation of a numeric double value.
Definition: qgsbasicnumericformat.cpp:59
QgsScientificNumericFormat::configuration
QVariantMap configuration(const QgsReadWriteContext &context) const override
Returns the current configuration of the formatter.
Definition: qgsscientificnumericformat.cpp:59
QgsBasicNumericFormat::DecimalPlaces
@ DecimalPlaces
Maximum number of decimal places.
Definition: qgsbasicnumericformat.h:40
QgsScientificNumericFormat::setNumberDecimalPlaces
void setNumberDecimalPlaces(int places) override
Sets the maximum number of decimal places to show.
Definition: qgsscientificnumericformat.cpp:65
QgsNumericFormatContext
A context for numeric formats.
Definition: qgsnumericformat.h:35
QgsNumericFormat::sortKey
virtual int sortKey()
Returns a sorting key value, where formats with a lower sort key will be shown earlier in lists.
Definition: qgsnumericformat.cpp:35
QgsScientificNumericFormat::QgsScientificNumericFormat
QgsScientificNumericFormat()
Default constructor.
Definition: qgsscientificnumericformat.cpp:21