Class: Lafcadio::DecimalField

Inherits:
ObjectField show all
Defined in:
lib/lafcadio/objectField/DecimalField.rb

Overview

DecimalField represents a decimal value.

Direct Known Subclasses

MoneyField

Instance Attribute Summary collapse

Attributes inherited from ObjectField

#dbFieldName, #default, #defaultFieldName, #hideDisplay, #hideLabel, #name, #notNull, #notUniqueMsg, #objectType, #unique, #writeOnce

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from ObjectField

#<=>, #bind_write?, #dbWillAutomaticallyWrite, #db_table_and_field_name, #englishName, #firstTime, instantiateFromXml, #nameForSQL, #nullErrorMsg, #prevValue, #valueForSQL, #verify, #verifyUniqueness

Constructor Details

#initialize(objectType, name, precision, englishName = nil) ⇒ DecimalField

objectType

The domain class that this field belongs to.

name

The name of this field.

precision

The expected field precision. (Deprecated)

englishName

The English name of this field. (Deprecated)



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# File 'lib/lafcadio/objectField/DecimalField.rb', line 27

def initialize(objectType, name, precision, englishName = nil)
	super(objectType, name, englishName)
	@precision = precision
end

Instance Attribute Details

#precision ⇒ Object (readonly)

Returns the value of attribute precision.



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# File 'lib/lafcadio/objectField/DecimalField.rb', line 6

def precision
  @precision
end

Class Method Details

.instantiateWithParameters(domainClass, parameters) ⇒ Object

:nodoc:



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# File 'lib/lafcadio/objectField/DecimalField.rb', line 18

def self.instantiateWithParameters( domainClass, parameters ) #:nodoc:
	self.new( domainClass, parameters['name'], parameters['precision'],
						parameters['englishName'] )
end

.instantiationParameters(fieldElt) ⇒ Object

:nodoc:



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# File 'lib/lafcadio/objectField/DecimalField.rb', line 12

def DecimalField.instantiationParameters( fieldElt ) #:nodoc:
	parameters = super( fieldElt )
	parameters['precision'] = fieldElt.attributes['precision'].to_i
	parameters
end

.valueType ⇒ Object

:nodoc:



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# File 'lib/lafcadio/objectField/DecimalField.rb', line 8

def DecimalField.valueType #:nodoc:
	Numeric
end

Instance Method Details

#processBeforeVerify(value) ⇒ Object

:nodoc:



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# File 'lib/lafcadio/objectField/DecimalField.rb', line 36

def processBeforeVerify(value) #:nodoc:
	value = super value
	value != nil && value != '' ? value.to_f : nil
end

#valueFromSQL(string, lookupLink = true) ⇒ Object

:nodoc:



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# File 'lib/lafcadio/objectField/DecimalField.rb', line 32

def valueFromSQL(string, lookupLink = true) #:nodoc:
	string != nil ? string.to_f : nil
end