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<?php
/**
* TNumberFromat component.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the BSD License.
*
* Copyright(c) 2004 by Xiang Wei Zhuo.
*
* To contact the author write to {@link mailto:qiang.xue@gmail.com Qiang Xue}
* The latest version of PRADO can be obtained from:
* {@link http://prado.sourceforge.net/}
*
* @author Xiang Wei Zhuo <weizhuo[at]gmail[dot]com>
* @version $Revision: 1.7 $ $Date: 2005/12/15 07:14:49 $
* @package System.I18N
*/
/**
* Get the NumberFormat class.
*/
Prado::using('System.I18N.core.NumberFormat');
/**
* To format numbers in locale sensitive manner use
* <code>
* <com:TNumberFormat Pattern="0.##" value="2.0" />
* </code>
*
* Numbers can be formatted as currency, percentage, decimal or scientific
* numbers by specifying the Type attribute. The known types are
* "currency", "percentage", "decimal" and "scientific".
*
* If someone from US want to see sales figures from a store in
* Germany (say using the EURO currency), formatted using the german
* currency, you would need to use the attribute Culture="de_DE" to get
* the currency right, e.g. 100,00 â‚?. The decimal and grouping separator is
* then also from the de_DE locale. This may lead to some confusion because
* people from US know the "," as thousand separator. Therefore a "Currency"
* attribute is available, so that the output from the following example
* results in â‚?100.00
* <code>
* <com:TNumberFormat Type="currency" Culture="en_US" Currency="EUR" Value="100" />
* </code>
*
* Namespace: System.I18N
*
* Properties
* - <b>Value</b>, number,
* <br>Gets or sets the number to format. The tag content is used as Value
* if the Value property is not specified.
* - <b>Type</b>, string,
* <br>Gets or sets the formatting type. The valid types are
* 'decimal', 'currency', 'percentage' and 'scientific'.
* - <b>Currency</b>, string,
* <br>Gets or sets the currency symbol for the currency format.
* The default is 'USD' if the Currency property is not specified.
* - <b>Pattern</b>, string,
* <br>Gets or sets the custom number formatting pattern.
*
* @author Xiang Wei Zhuo <weizhuo[at]gmail[dot]com>
* @version v1.0, last update on Sat Dec 11 17:49:56 EST 2004
* @package System.I18N
*/
class TNumberFormat extends TI18NControl
{
/**
* Default NumberFormat, set to the application culture.
* @var NumberFormat
*/
protected static $formatter;
/**
* Get the number formatting pattern.
* @return string format pattern.
*/
function getPattern()
{
return $this->getViewState('Pattern','');
}
/**
* Set the number format pattern.
* @param string format pattern.
*/
function setPattern($pattern)
{
$this->setViewState('Pattern',$pattern,'');
}
/**
* Get the numberic value for this control.
* @return string number
*/
function getValue()
{
return $this->getViewState('Value','');
}
/**
* Set the numberic value for this control.
* @param string the number value
*/
function setValue($value)
{
$this->setViewState('Value',$value,'');
}
/**
* Get the formatting type for this control.
* @return string formatting type.
*/
function getType()
{
$type = $this->getViewState('Type','');
if(empty($type))
return 'd';
return $type;
}
/**
* Set the formatting type for this control.
* @param string formatting type, either "decimal", "currency","percentage"
* or "scientific"
* @throws TPropertyTypeInvalidException
*/
function setType($type)
{
$type = strtolower($type);
switch($type)
{
case 'decimal':
$this->setViewState('Type','d',''); break;
case 'currency':
$this->setViewState('Type','c',''); break;
case 'percentage':
$this->setViewState('Type','p',''); break;
case 'scientific':
$this->setViewState('Type','e',''); break;
default:
throw new TPropertyTypeInvalidException($this,'Type',$type);
}
}
/**
* Get the currency for this control.
* @param parameter
* @return string 3 letter currency code.
*/
function getCurrency()
{
$currency = $this->getViewState('Currency','');
if(empty($currency))
return 'USD';
return $currency;
}
/**
* Set the 3-letter ISO 4217 code. For example, the code
* "USD" represents the US Dollar and "EUR" represents the Euro currency.
* @param string currency code.
*/
function setCurrency($currency)
{
$this->setViewState('Currency', $currency,'');
}
/**
* Formats the localized number, be it currency or decimal, or percentage.
* If the culture is not specified, the default application
* culture will be used.
* @return string formatted number
*/
protected function getFormattedValue()
{
$app = $this->Application->getGlobalization();
//initialized the default class wide formatter
if(is_null(self::$formatter))
self::$formatter = new NumberFormat($app->getCulture());
$pattern = strlen($this->getPattern()) > 0
? $this->getPattern() : $this->getType();
$culture = $this->getCulture();
//return the specific cultural formatted number
if(!empty($culture) && $app->getCulture() != $culture)
{
$formatter = new NumberFormat($culture);
return $formatter->format($this->getValue(),$pattern,
$this->getCurrency(),
$this->getCharset());
}
//return the application wide culture formatted number.
return self::$formatter->format($this->getValue(),$pattern,
$this->getCurrency(),
$this->getCharset());
}
protected function render($writer)
{
$writer->write($this->getFormattedValue());
}
}
?>
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