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adding CakeNumber::formatDelta() and fixing issue with near-zero values and format()

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euromark 2012-09-20 01:41:41 +02:00
parent 99cbd22969
commit 3fa6b96ad0
2 changed files with 96 additions and 28 deletions
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46
lib/Cake/Test/Case/Utility/CakeNumberTest.php
View file

@ -70,6 +70,52 @@ class CakeNumberTest extends CakeTestCase {
$result = $this->Number->format($value, '-');
$expected = '100-100-100';
$this->assertEquals($expected, $result);
$value = 0.00001;
$result = $this->Number->format($value, array('places' => 1));
$expected = '$0.0';
$this->assertEquals($expected, $result);
$value = -0.00001;
$result = $this->Number->format($value, array('places' => 1));
$expected = '$0.0';
$this->assertEquals($expected, $result);
}
/**
* testFormatDelta method
*
* @return void
*/
public function testFormatDelta() {
$value = '100100100';
$result = $this->Number->formatDelta($value, array('before' => '', 'after' => ''));
$expected = '+100,100,100.00';
$this->assertEquals($expected, $result);
$result = $this->Number->formatDelta($value, array('before' => '[', 'after' => ']'));
$expected = '[+100,100,100.00]';
$this->assertEquals($expected, $result);
$result = $this->Number->formatDelta(-$value, array('before' => '[', 'after' => ']'));
$expected = '[-100,100,100.00]';
$this->assertEquals($expected, $result);
$value = 0;
$result = $this->Number->formatDelta($value, array('places' => 1, 'before' => '[', 'after' => ']'));
$expected = '[0.0]';
$this->assertEquals($expected, $result);
$value = 0.0001;
$result = $this->Number->formatDelta($value, array('places' => 1, 'before' => '[', 'after' => ']'));
$expected = '[0.0]';
$this->assertEquals($expected, $result);
$value = 9876.1234;
$result = $this->Number->formatDelta($value, array('places' => 1, 'decimals' => ',', 'thousands' => '.'));
$expected = '+9.876,1';
$this->assertEquals($expected, $result);
}
/**

76
lib/Cake/Utility/CakeNumber.php
View file

@ -70,13 +70,13 @@ class CakeNumber {
/**
* Formats a number with a level of precision.
*
* @param float $number A floating point number.
* @param float $value A floating point number.
* @param integer $precision The precision of the returned number.
* @return float Formatted float.
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/number.html#NumberHelper::precision
*/
public static function precision($number, $precision = 3) {
return sprintf("%01.{$precision}F", $number);
public static function precision($value, $precision = 3) {
return sprintf("%01.{$precision}F", $value);
}
/**
@ -135,25 +135,25 @@ class CakeNumber {
/**
* Formats a number into a percentage string.
*
* @param float $number A floating point number
* @param float $value A floating point number
* @param integer $precision The precision of the returned number
* @return string Percentage string
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/number.html#NumberHelper::toPercentage
*/
public static function toPercentage($number, $precision = 2) {
return self::precision($number, $precision) . '%';
public static function toPercentage($value, $precision = 2) {
return self::precision($value, $precision) . '%';
}
/**
* Formats a number into a currency format.
*
* @param float $number A floating point number
* @param float $value A floating point number
* @param integer $options if int then places, if string then before, if (,.-) then use it
* or array with places and before keys
* @return string formatted number
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/number.html#NumberHelper::format
*/
public static function format($number, $options = false) {
public static function format($value, $options = false) {
$places = 0;
if (is_int($options)) {
$places = $options;
@ -180,7 +180,8 @@ class CakeNumber {
extract($options);
}
$out = $before . self::_numberFormat($number, $places, $decimals, $thousands) . $after;
$value = self::_numberFormat($value, $places, '.', '');
$out = $before . self::_numberFormat($value, $places, $decimals, $thousands) . $after;
if ($escape) {
return h($out);
@ -188,34 +189,55 @@ class CakeNumber {
return $out;
}
/**
* Formats a number into a currency format to show deltas (signed differences in value).
*
* - `places` - Number of decimal places to use. ie. 2
* - `before` - The string to place before whole numbers. ie. '['
* - `after` - The string to place after decimal numbers. ie. ']'
* - `thousands` - Thousands separator ie. ','
* - `decimals` - Decimal separator symbol ie. '.'
*
* @param float $value A floating point number
* @param array $options
* @return string formatted delta
*/
public static function formatDelta($value, $options = array()) {
$places = isset($options['places']) ? $options['places'] : 0;
$value = self::_numberFormat($value, $places, '.', '');
$sign = $value > 0 ? '+' : '';
$options['before'] = isset($options['before']) ? $options['before'] . $sign : $sign;
return self::format($value, $options);
}
/**
* Alternative number_format() to accommodate multibyte decimals and thousands < PHP 5.4
*
* @param float $number
* @param float $value
* @param integer $places
* @param string $decimals
* @param string $thousands
* @return string
*/
protected static function _numberFormat($number, $places = 0, $decimals = '.', $thousands = ',') {
protected static function _numberFormat($value, $places = 0, $decimals = '.', $thousands = ',') {
if (!isset(self::$_numberFormatSupport)) {
self::$_numberFormatSupport = version_compare(PHP_VERSION, '5.4.0', '>=');
}
if (self::$_numberFormatSupport) {
return number_format($number, $places, $decimals, $thousands);
return number_format($value, $places, $decimals, $thousands);
}
$number = number_format($number, $places, '.', '');
$value = number_format($value, $places, '.', '');
$after = '';
$foundDecimal = strpos($number, '.');
$foundDecimal = strpos($value, '.');
if ($foundDecimal !== false) {
$after = substr($number, $foundDecimal);
$number = substr($number, 0, $foundDecimal);
$after = substr($value, $foundDecimal);
$value = substr($value, 0, $foundDecimal);
}
while (($foundThousand = preg_replace('/(\d+)(\d\d\d)/', '\1 \2', $number)) != $number) {
$number = $foundThousand;
while (($foundThousand = preg_replace('/(\d+)(\d\d\d)/', '\1 \2', $value)) != $value) {
$value = $foundThousand;
}
$number .= $after;
return strtr($number, array(' ' => $thousands, '.' => $decimals));
$value .= $after;
return strtr($value, array(' ' => $thousands, '.' => $decimals));
}
/**
@ -244,14 +266,14 @@ class CakeNumber {
* the number will be wrapped with ( and )
* - `escape` - Should the output be htmlentity escaped? Defaults to true
*
* @param float $number
* @param float $value
* @param string $currency Shortcut to default options. Valid values are
* 'USD', 'EUR', 'GBP', otherwise set at least 'before' and 'after' options.
* @param array $options
* @return string Number formatted as a currency.
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/number.html#NumberHelper::currency
*/
public static function currency($number, $currency = 'USD', $options = array()) {
public static function currency($value, $currency = 'USD', $options = array()) {
$default = self::$_currencyDefaults;
if (isset(self::$_currencies[$currency])) {
@ -272,14 +294,14 @@ class CakeNumber {
$result = $options['before'] = $options['after'] = null;
$symbolKey = 'whole';
if ($number == 0 ) {
if ($value == 0) {
if ($options['zero'] !== 0) {
return $options['zero'];
}
} elseif ($number < 1 && $number > -1 ) {
} elseif ($value < 1 && $value > -1) {
if ($options['fractionSymbol'] !== false) {
$multiply = intval('1' . str_pad('', $options['places'], '0'));
$number = $number * $multiply;
$value = $value * $multiply;
$options['places'] = null;
$symbolKey = 'fraction';
}
@ -288,10 +310,10 @@ class CakeNumber {
$position = $options[$symbolKey . 'Position'] != 'after' ? 'before' : 'after';
$options[$position] = $options[$symbolKey . 'Symbol'];
$abs = abs($number);
$abs = abs($value);
$result = self::format($abs, $options);
if ($number < 0 ) {
if ($value < 0) {
if ($options['negative'] == '()') {
$result = '(' . $result . ')';
} else {