KUnitConversion::Value Class Reference

#include <value.h>

Public Member Functions
	Value ()
	Value (const QVariant &number, const QString &unitString)
	Value (const Value &other)
	Value (qreal number, const QString &unitString)
	Value (qreal number, const Unit &unit)
	Value (qreal number, UnitId unitId)
	~Value ()
Value	convertTo (const QString &unit) const
Value	convertTo (const Unit &unit) const
Value	convertTo (UnitId unit) const
bool	isNull () const
bool	isValid () const
qreal	number () const
bool	operator!= (const Value &other) const
Value &	operator= (const Value &other)
bool	operator== (const Value &other) const
Value &	round (uint decimals)
void	swap (Value &other)
QString	toString (int fieldWidth=0, char format='g', int precision=-1, const QChar &fillChar=QLatin1Char(' ')) const
QString	toSymbolString (int fieldWidth=0, char format='g', int precision=-1, const QChar &fillChar=QLatin1Char(' ')) const
Unit	unit () const

Detailed Description

Class to hold a value in a unit of measurement.

This is a class to hold a value in a unit of measurement.

See also

Converter, Unit, UnitCategory

Author

Petri Damstén damu@.nosp@m.iki..nosp@m.fi

John Layt jlayt.nosp@m.@kde.nosp@m..org

Definition at line 35 of file value.h.

Constructor & Destructor Documentation

Value() [1/6]

KUnitConversion::Value::Value

(

)

Creates a null value.

Definition at line 80 of file value.cpp.

Value() [2/6]

KUnitConversion::Value::Value	(	qreal	number,
		const Unit &	unit )

Creates a value with a unit instance.

Definition at line 90 of file value.cpp.

Value() [3/6]

KUnitConversion::Value::Value	(	qreal	number,
		const QString &	unitString )

Creates a value with a unit (as a string).

Definition at line 95 of file value.cpp.

Value() [4/6]

KUnitConversion::Value::Value	(	qreal	number,
		UnitId	unitId )

Creates a value with a unit (as a enum value).

Definition at line 100 of file value.cpp.

Value() [5/6]

KUnitConversion::Value::Value	(	const QVariant &	number,
		const QString &	unitString )

Creates a value based on a QVariant (calling toReal() on it) with a unit (as a string).

Definition at line 105 of file value.cpp.

Value() [6/6]

KUnitConversion::Value::Value

(

const Value &

other

)

Copy constructor, copy other to this.

Definition at line 85 of file value.cpp.

~Value()

KUnitConversion::Value::~Value

(

)

Destroys this Value instance.

Definition at line 110 of file value.cpp.

Member Function Documentation

convertTo() [1/3]

Value KUnitConversion::Value::convertTo

(

const QString &

unit

)

const

convert to another unit

Definition at line 209 of file value.cpp.

convertTo() [2/3]

Value KUnitConversion::Value::convertTo

(

const Unit &

unit

)

const

convert to another unit

Definition at line 193 of file value.cpp.

convertTo() [3/3]

Value KUnitConversion::Value::convertTo

(

UnitId

unit

)

const

convert to another unit

Definition at line 201 of file value.cpp.

isNull()

bool KUnitConversion::Value::isNull

(

)

const

Returns

returns true if this Value is null

Definition at line 138 of file value.cpp.

isValid()

bool KUnitConversion::Value::isValid

(

)

const

Check if value is valid.

Returns

True if value is valid

Definition at line 143 of file value.cpp.

number()

qreal KUnitConversion::Value::number

(

)

const

Number part of the value.

Definition at line 148 of file value.cpp.

operator!=()

bool KUnitConversion::Value::operator!=

(

const Value &

other

)

const

Returns

true if this Value is not equal to the other Value.

Definition at line 129 of file value.cpp.

operator=()

Value & KUnitConversion::Value::operator=

(

const Value &

other

)

Assignment operator, assign other to this.

Definition at line 114 of file value.cpp.

operator==()

bool KUnitConversion::Value::operator==

(

const Value &

other

)

const

Returns

true if this Value is equal to the other Value.

Definition at line 120 of file value.cpp.

round()

Value & KUnitConversion::Value::round

(

uint

decimals

)

rounds value to decimal count

Parameters

decimals

decimal count.

Definition at line 180 of file value.cpp.

swap()

void KUnitConversion::Value::swap ( Value & other )

inline

Swaps this Value with other.

This function is very fast and never fails.

Definition at line 89 of file value.h.

toString()

QString KUnitConversion::Value::toString	(	int	fieldWidth = 0,
		char	format = 'g',
		int	precision = -1,
		const QChar &	fillChar = QLatin1Char(' ') ) const

Convert value to a string.

Parameters

fieldWidth	width of the formatted field, padded by spaces. Positive value aligns right, negative aligns left
format	type of floating point formatting, like in QString::arg
precision	number of digits after the decimal separator
fillChar	the character used to fill up the empty places when field width is greater than argument width

Returns

value as a string

Definition at line 164 of file value.cpp.

toSymbolString()

QString KUnitConversion::Value::toSymbolString	(	int	fieldWidth = 0,
		char	format = 'g',
		int	precision = -1,
		const QChar &	fillChar = QLatin1Char(' ') ) const

Convert value to a string with symbol.

Parameters

fieldWidth	width of the formatted field, padded by spaces. Positive value aligns right, negative aligns left
format	type of floating point formatting, like in QString::arg
precision	number of digits after the decimal separator
fillChar	the character used to fill up the empty places when field width is greater than argument width

Returns

value as a string

Definition at line 172 of file value.cpp.

unit()

Unit KUnitConversion::Value::unit

(

)

const

Unit part of the value.

Definition at line 156 of file value.cpp.

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The documentation for this class was generated from the following files:

• value.h
• value.cpp