Difference between revisions of "Formatted Numeric Data"

#ifndef _ICU_h_
#define _ICU_h_
 
#include "unicode/utypes.h"
#include "unicode/unistr.h"
#include "unicode/numfmt.h"
#include "unicode/dcfmtsym.h"
#include "unicode/decimfmt.h"
#include "unicode/locid.h"
#include "unicode/uclean.h"
#include "unicode/calendar.h"
#include "unicode/datefmt.h"
#include "unicode/smpdtfmt.h"
#include "unicode/rbnf.h"
#include "CEGUI.h"
 
class ICU
{
public:
	ICU(bool cleanupICU = true);
	~ICU();
	bool setLocale(const CEGUI::String& language, const CEGUI::String& country);
	const Locale& getLocale();
	bool setCurrency(const char *currency);
 
	bool formatNumber(const CEGUI::String& rawValue, const CEGUI::String& mask, CEGUI::String& formattedValue);
	bool formatNumber(const double rawValue, const CEGUI::String& mask, CEGUI::String& formattedValue);
	bool formatNumber(const int32_t rawValue, const CEGUI::String& mask, CEGUI::String& formattedValue);
 
	bool numberToText(const double rawValue, CEGUI::String& formattedValue);
	bool numberToText(const int32_t rawValue, CEGUI::String& formattedValue);
 
	bool numberToOrdinal(const double rawValue, CEGUI::String& formattedValue);
	bool numberToOrdinal(const int32_t rawValue, CEGUI::String& formattedValue);
 
	bool formatText(const CEGUI::String& rawValue, const CEGUI::String& mask, const CEGUI::String& zeroPlaceHolder, CEGUI::String& formattedValue);
 
	bool formatCurrency(const double& currency, CEGUI::String& formattedValue);
 
	bool formatDateTime(UDate rawDateTime, const CEGUI::String& mask, CEGUI::String& formattedDateTime);
	bool localToGmt(const UDate& localDate, const UDate& localTime, UDate& gmtDate, UDate& gmtTime);
	bool gmtToLocal(const UDate& gmtDate, const UDate& gmtTime, UDate& localDate, UDate& localTime);
 
	bool CeguiStringToDateTime(const CEGUI::String& stringDateTime, const CEGUI::String& mask, UDate& unicodeDateTime);
	bool CeguiStringToInt32(const CEGUI::String& stringValue, int32_t& int32Value);
	void UnicodeToCeguiString(const UnicodeString& unicodeString, CEGUI::String& ceguiString);
private:
	void _splitIntegerDecimal(const CEGUI::String& combined, CEGUI::String& integerPart, CEGUI::String& decimalPart);
	bool _convertLocalAndGmt(const UDate& localDate, const UDate& localTime, UDate& gmtDate, UDate& gmtTime, bool fromLocalToGMT);
	bool _ruleBasedNumberFormat(const double rawValue, URBNFRuleSetTag tag, CEGUI::String& formattedValue);
	bool _ruleBasedNumberFormat(const int32_t rawValue, URBNFRuleSetTag tag, CEGUI::String& formattedValue);
	Locale m_locale; // Current locale of the computer
	UChar m_currency[4]; // Currency code
	bool m_cleanupICU; // Whether to call ICU's cleanup function
};
 
#endif // _ICU_h_

#include "ICU.h"
#include <vector>
 
ICU::ICU(bool cleanupICU)
{
	m_cleanupICU = cleanupICU;
}
 
ICU::~ICU()
{
	// http://www.icu-project.org/userguide/design.html#Init_and_Termination
	// The paragraph "ICU Initialization and Termination" mentions that this function
	//   can be called to force the ICU library to release any allocated heap storage
	//   otherwise memory leak checking tools will falsely report leaks.
	// My thinking with this m_cleanupICU variable is that the library should not release
	//   its memory allocation if it is also used outside of this class.  This
	//	 implementation grants you some control over when this cleanup occurs.
	// You are not required to call u_cleanup(). It's dangerous if called at the wrong time.
	if(m_cleanupICU)
		u_cleanup();
}
 
bool ICU::setLocale(const CEGUI::String& language, const CEGUI::String& country)
{
	// Set the locale
	Locale tempLocale = Locale::createFromName((language + "_" + country).c_str());
	if(tempLocale.isBogus())
		return false;
 
	m_locale = tempLocale;
	return true;
}
 
const Locale& ICU::getLocale()
{
	// Retrive the locale
	return m_locale;
}
 
bool ICU::setCurrency(const char *currency)
{
	// Set the currency
    if(currency==NULL || strlen(currency)!=3)
        return false;
 
    // Invariant-character conversion to UChars
    u_charsToUChars(currency, m_currency, 4);
	return true;
}
 
bool ICU::formatNumber(const CEGUI::String& rawValue, const CEGUI::String& mask, CEGUI::String& formattedValue)
{
	// Format a unformatted number according to the rules specified within the mask
	// An unformatted number only contains numeric digits and a period as the decimal point
	// Note that a decimal value is broken down into two numbers, an
	//   integer and a decimal number for formatting and then reassembled
	//   into a single string.  This makes it possible to handle numbers
	//   as large as 999,999,999,999,999,999.9999999 (18 integers and 7 decimals).
	//   However it makes it impossible to specify a positive mask as well as a
	//   negative mask; only one mask is supported.  It is also impossible to
	//   format a negative value with a mask similar to "(#,##0.00)"
    UErrorCode status = U_ZERO_ERROR;
	formattedValue.clear();
	CEGUI::String formattedInteger, formattedDecimal;
	CEGUI::String::size_type idx;
 
	// Separate the integer and the decimal parts from the value
	CEGUI::String maskInteger, maskDecimal, integerValue, decimalValue;
	idx = rawValue.find(".");
	if(idx == CEGUI::String::npos)
	{
		// If the value is empty then force the integer to 0, otherwise use the value
		// Since there is no decimal point force a decimal value of .0
		integerValue = rawValue.empty() ? "0" : rawValue;
		decimalValue = ".0";
	}
	else
	{
		// If there is no integer portion then force an integer value of 0
		integerValue = idx == 0 ? "0" : rawValue.substr(0, idx);
		decimalValue = rawValue.substr(idx);
	}
 
	// Separate the integer and the decimal parts from the mask
	_splitIntegerDecimal(mask, maskInteger, maskDecimal);
 
	// Prepare the numeric formatter
	DecimalFormatSymbols* decimalFormatSymbols = new DecimalFormatSymbols(m_locale, status);
	if( U_FAILURE(status) )
		return false;
 
	if(!maskInteger.empty())
	{
		// Prepare the integer parser
		UnicodeString patternInteger(maskInteger.c_str());
		DecimalFormat* fmt = new DecimalFormat(patternInteger, *decimalFormatSymbols, status);
		if( U_FAILURE(status) )
		{
			delete decimalFormatSymbols;
			return false;
		}
 
		// Parse the string value into an integer value
		UnicodeString uIntegerValue(integerValue.c_str());
		Formattable fIntegerValue;
		fmt->parse(uIntegerValue, fIntegerValue, status);
		if( U_FAILURE(status) )
		{
			status = U_ZERO_ERROR;
			fIntegerValue.setInt64(0);
		}
 
		// Format the integer value
		uIntegerValue = "";
		((NumberFormat*)fmt)->format(fIntegerValue.getInt64(), uIntegerValue);
		delete fmt;
 
		UnicodeToCeguiString(uIntegerValue, formattedInteger);
	}
 
	if(!maskDecimal.empty())
	{
		// Prepare the decimal parser
		DecimalFormat* fmtParse = new DecimalFormat(status);
		if( U_FAILURE(status) )
		{
 			delete decimalFormatSymbols;
			return false;
		}
		fmtParse->applyLocalizedPattern("0.0000003", status);
 
		// Parse the string value into a decimal value
		UnicodeString uDecimalValue(decimalValue.c_str());
		Formattable fDecimalValue;
		fmtParse->parse(uDecimalValue, fDecimalValue, status);
		delete fmtParse;
		if( U_FAILURE(status) )
		{
			status = U_ZERO_ERROR;
			fDecimalValue.setDouble(0.0);
		}
 
		// Prepare the decimal formatter
		UnicodeString patternDecimal(maskDecimal.c_str());
		DecimalFormat* fmt = new DecimalFormat(patternDecimal, *decimalFormatSymbols, status);
		if( U_FAILURE(status) )
		{
 			delete decimalFormatSymbols;
			return false;
		}
 
		// Format the decimal value
		uDecimalValue = "";
		fmt->format(fDecimalValue.getDouble(), uDecimalValue);
		delete fmt;
 
		UnicodeToCeguiString(uDecimalValue, formattedDecimal);
	}
 
	delete decimalFormatSymbols;
 
	formattedValue = formattedInteger + formattedDecimal;
	return true;
}
 
bool ICU::formatNumber(const double rawValue, const CEGUI::String& mask, CEGUI::String& formattedValue)
{
	// Format a number using the appropriate locale rules
	// Note that the use of a double limits the effective range
    UErrorCode status = U_ZERO_ERROR;
	formattedValue.clear();
 
	// Prepare the numeric formatter
	DecimalFormatSymbols* symbols = new DecimalFormatSymbols(m_locale, status);
	if( U_FAILURE(status) )
		return false;
 
    // Create a number formatter for the current locale
	UnicodeString pattern(mask.c_str());
	DecimalFormat* fmt = new DecimalFormat(pattern, *symbols, status);
	if( U_FAILURE(status) )
	{
		delete symbols;
		return false;
	}
 
	// Format the number
	UnicodeString uValue;
	fmt->format(rawValue, uValue, status);
	delete symbols;
	delete fmt;
	if( U_FAILURE(status) )
		return false;
 
	UnicodeToCeguiString(uValue, formattedValue);
	return true;
}
 
bool ICU::formatNumber(const int32_t rawValue, const CEGUI::String& mask, CEGUI::String& formattedValue)
{
	// Format a number using the appropriate locale rules
	// Note that the use of a double limits the effective range
    UErrorCode status = U_ZERO_ERROR;
	formattedValue.clear();
 
	// Prepare the numeric formatter
	DecimalFormatSymbols* symbols = new DecimalFormatSymbols(m_locale, status);
	if( U_FAILURE(status) )
		return false;
 
    // Create a number formatter for the current locale
	UnicodeString pattern(mask.c_str());
	DecimalFormat* fmt = new DecimalFormat(pattern, *symbols, status);
	if( U_FAILURE(status) )
	{
		delete symbols;
		return false;
	}
 
	// Format the number
	UnicodeString uValue;
	fmt->format(rawValue, uValue, status);
	delete symbols;
	delete fmt;
	if( U_FAILURE(status) )
		return false;
 
	UnicodeToCeguiString(uValue, formattedValue);
	return true;
}
 
bool ICU::numberToText(const double rawValue, CEGUI::String& formattedValue)
{
	// Convert a number to a text
	// "1.2" to "one point two"
	return _ruleBasedNumberFormat(rawValue, URBNF_SPELLOUT, formattedValue);
}
 
bool ICU::numberToText(const int32_t rawValue, CEGUI::String& formattedValue)
{
	// Convert a number to a text
	// "12" to "twelve"
	return _ruleBasedNumberFormat(rawValue, URBNF_SPELLOUT, formattedValue);
}
 
bool ICU::numberToOrdinal(const double rawValue, CEGUI::String& formattedValue)
{
	// Convert a number to ordinal text
	// "1.5" to "2nd"
	return _ruleBasedNumberFormat(rawValue, URBNF_ORDINAL, formattedValue);
}
 
bool ICU::numberToOrdinal(const int32_t rawValue, CEGUI::String& formattedValue)
{
	// Convert a number to ordinal text
	// "1" to "1st"
	return _ruleBasedNumberFormat(rawValue, URBNF_ORDINAL, formattedValue);
}
 
bool ICU::formatText(const CEGUI::String& rawValue, const CEGUI::String& mask, const CEGUI::String& zeroPlaceHolder, CEGUI::String& formattedValue)
{
	/* Format a value according to a pattern
	 * Format specifiers:
	 *		0 forced digit: will be replaced by a digit or if there is no digit, by 'zeroPlaceHolder'
	 *		# potential digit: will be replaced by a digit if there is one otherwise nothing
	 *		' literal character: the following character is to be treated as a character
	 *			rather than a format specifier
	 *			ex the value "1" with the format "'00" will result in the string "01"
	 * Note that if the value is larger than the pattern then it is truncated to the left
	 *		ex the value "1234" with the format "#0" results in the string "34"
	 */
	formattedValue.clear();
 
	if(!rawValue.length() || !mask.length())
		return false;
 
	// Parse the mask
	std::vector<CEGUI::String> maskList;
	CEGUI::String maskDigit;
	for(CEGUI::String::size_type idxMask = 0; idxMask < mask.length(); ++idxMask)
	{
		if(!mask.compare(idxMask, 1, "0"))
		{
			maskDigit = "ForcedDigit";
			maskList.push_back(maskDigit);
		}
		else if(!mask.compare(idxMask, 1, "#"))
		{
			maskDigit = "PotentialDigit";
			maskList.push_back(maskDigit);
		}
		else
		{
			if(!mask.compare(idxMask, 1, "'") && idxMask < mask.length() - 1)
				++idxMask; // Literal specifier followed by a mask digit, so skip over the apostrophe
			maskDigit = mask.at(idxMask);
			maskList.push_back(maskDigit);
		}
	}
 
	// Format the numeric value
	CEGUI::String::size_type idxValue;
	idxValue = rawValue.length();
	std::vector<CEGUI::String>::reverse_iterator itMask;
	for(itMask = maskList.rbegin(); itMask != maskList.rend(); ++itMask)
	{
		if(!(*itMask).compare("ForcedDigit"))
		{
			if(idxValue)
			{
				// We have a digit remaining
				--idxValue;
				formattedValue = rawValue.at(idxValue) + formattedValue;
			}
			else
			{
				// We're out of digits
				formattedValue = zeroPlaceHolder + formattedValue;
			}
		}
		else if(!(*itMask).compare("PotentialDigit"))
		{
			if(idxValue)
			{
				// We have a digit remaining
				--idxValue;
				formattedValue = rawValue.at(idxValue) + formattedValue;
			}
		}
		else
		{
			// Literal character
			formattedValue = (*itMask) + formattedValue;
		}
	}
	return true;
}
 
bool ICU::formatCurrency(const double& currency, CEGUI::String& formattedValue)
{
	// Format a number using the appropriate locale rules
	// Note that the use of a double limits the effective range
    UErrorCode status = U_ZERO_ERROR;
	formattedValue.clear();
 
    // Create a number formatter for the current locale
    NumberFormat *fmt = NumberFormat::createCurrencyInstance(m_locale, status);
	if( U_FAILURE(status) )
		return false;
 
	// Format the currency
	UnicodeString uValue;
	fmt->format(currency, uValue);
    delete fmt;
 
	UnicodeToCeguiString(uValue, formattedValue);
	return true;
}
 
bool ICU::formatDateTime(UDate rawDateTime, const CEGUI::String& mask, CEGUI::String& formattedDateTime)
{
	// Format a date/time given the specified mask
	// Note that although a UDate can support both date and time in
	//   realite the resolution is insufficient.  In order to precisely
	//   represent a date/time value they should be processed separately
    UErrorCode status = U_ZERO_ERROR;
	formattedDateTime.clear();
 
	// Create a Date/Time formatter
	DateFormat* fmt = DateFormat::createDateTimeInstance(DateFormat::kDefault, DateFormat::kDefault, m_locale); // kDefault is not really used
 
	// Activate our pattern (overrides DateFormat::kDefault)
    UnicodeString pattern(mask.c_str());
	((SimpleDateFormat*) fmt)->applyPattern(pattern);
 
	// Format the date/time
    UnicodeString uValue;
	fmt->format(rawDateTime, uValue, status);
	delete fmt;
	if( U_FAILURE(status) )
		return false;
 
	UnicodeToCeguiString(uValue, formattedDateTime);
	return true;
}
 
bool ICU::localToGmt(const UDate& localDate, const UDate& localTime, UDate& gmtDate, UDate& gmtTime)
{
	// Convert a local date/time into a GMT date/time
	return _convertLocalAndGmt(localDate, localTime, gmtDate, gmtTime, true);
}
 
bool ICU::gmtToLocal(const UDate& gmtDate, const UDate& gmtTime, UDate& localDate, UDate& localTime)
{
	// Convert a GMT date/time into a local date/time string
	return _convertLocalAndGmt(gmtDate, gmtTime, localDate, localTime, false);
}
 
bool ICU::CeguiStringToDateTime(const CEGUI::String& stringDateTime, const CEGUI::String& mask, UDate& unicodeDateTime)
{
	// Convert a string date/time into a UDate
    UErrorCode status = U_ZERO_ERROR;
	unicodeDateTime = 0.0;
 
	// Create a Date/Time formatter
	DateFormat* fmt = DateFormat::createDateTimeInstance(DateFormat::kDefault, DateFormat::kDefault, m_locale);
 
	// Activate our pattern
    UnicodeString pattern(mask.c_str());
	((SimpleDateFormat*) fmt)->applyPattern(pattern);
 
	// Parse the string into a date/time
	UnicodeString uValue(stringDateTime.c_str());
	unicodeDateTime = fmt->parse(uValue, status);
	delete fmt;
	if( U_FAILURE(status) )
		return false;
 
	return true;
}
 
bool ICU::CeguiStringToInt32(const CEGUI::String& stringValue, int32_t& int32Value)
{
	// Convert a string into an int32_t
    UErrorCode status = U_ZERO_ERROR;
	int32Value = 0;
 
	// Create an integer formatter
	NumberFormat *fmt = NumberFormat::createInstance(Locale::getUS(), status);
	if( U_FAILURE(status) )
		return false;
 
	// Activate our pattern
	UnicodeString pattern("#,##0");
	((DecimalFormat*) fmt)->applyPattern(pattern, status);
	if( U_FAILURE(status) )
	{
		delete fmt;
		return false;
	}
 
	// Parse the string into a double
	UnicodeString uValue(stringValue.c_str());
    Formattable result;
    fmt->parse(uValue, result, status);
	delete fmt;
	if( U_FAILURE(status) )
		return false;
 
	int32Value = result.getLong();
 
	return true;
}
 
void ICU::UnicodeToCeguiString(const UnicodeString& unicodeString, CEGUI::String& ceguiString)
{
	// Convert a unicode string to a CEGUI string
	ceguiString.clear();
 
	CEGUI::String digit;
	for(int32_t i = 0; i < unicodeString.length(); ++i)
	{
		digit = unicodeString.charAt(i);
		ceguiString.append(digit);
	}
}
 
void ICU::_splitIntegerDecimal(const CEGUI::String& combined, CEGUI::String& integerPart, CEGUI::String& decimalPart)
{
	// Split a decimal value into its constituent integer and decimal parts
	CEGUI::String::size_type idx = combined.find(".");
	if(idx == CEGUI::String::npos)
	{
		integerPart = combined;
		decimalPart.clear();
	}
	else
	{
		integerPart = combined.substr(0, idx);
		decimalPart = combined.substr(idx);
	}
}
 
bool ICU::_convertLocalAndGmt(const UDate& localDate, const UDate& localTime, UDate& gmtDate, UDate& gmtTime, bool fromLocalToGMT)
{
	// Helper function to convert between a local and a GMT date/time
	UErrorCode status = U_ZERO_ERROR;
	gmtDate = gmtTime = 0.0;
 
	// Create a calendar for the local date
	Calendar* calLocalDate = Calendar::createInstance(m_locale, status);
	if( U_FAILURE(status) )
		return false;
	calLocalDate->clear();
	calLocalDate->setTime(localDate, status);
	if( U_FAILURE(status) )
	{
		delete calLocalDate;
		return false;
	}
 
	// Create a calendar for the local time
	Calendar* calLocalTime = Calendar::createInstance(m_locale, status);
	if( U_FAILURE(status) )
	{
		delete calLocalDate;
		return false;
	}
	calLocalTime->clear();
	calLocalTime->setTime(localTime, status);
	if( U_FAILURE(status) )
	{
		delete calLocalDate;
		delete calLocalTime;
		return false;
	}
 
	// Retrieve the offset between this time zone and the GMT time zone
	// The Daylight Saving Time offset is zero when DST is not in effect
	// Note that adding the local date and time together introduces an
	//   inaccuracy of up to 1 minute 47 seconds.  However the only impact
	//   of this inaccuracy is to advance/delay the activation or deactivation
	//   of daylight savings
	int32_t rawOffset, dstOffset, gmtOffset;
	calLocalDate->getTimeZone().getOffset(localDate + localTime, true, rawOffset, dstOffset, status);
	gmtOffset = (rawOffset + dstOffset) / 1000 / 60 / 60; // Convert from milliseconds to hours
 
	// Converting from local to GMT requires "reversing" the time zone
	// EST is GMT-5 so it requires adding 5 hours to local time to obtain GMT
	// Converting from GMT to local requires the opposite
	int32_t hour = calLocalTime->get(UCAL_HOUR_OF_DAY, status);
	if(fromLocalToGMT)
		hour -= gmtOffset;
	else
		hour += gmtOffset;
 
	// Adjust the time and date if necessary
	if(hour >= 24)
	{
		// We've moved to the next day
		hour -= 24;
		calLocalDate->add(UCAL_DAY_OF_MONTH, 1, status);
		if( U_FAILURE(status) )
		{
			delete calLocalDate;
			delete calLocalTime;
			return false;
		}
	}
	else if(hour < 0)
	{
		// We've moved to the previous day
		hour += 24;
		calLocalDate->add(UCAL_DAY_OF_MONTH, -1, status);
		if( U_FAILURE(status) )
		{
			delete calLocalDate;
			delete calLocalTime;
			return false;
		}
	}
	calLocalTime->set(UCAL_HOUR_OF_DAY, hour);
 
	// Retrieve the converted date and time
	gmtDate = calLocalDate->getTime(status);
	gmtTime = calLocalTime->getTime(status);
 
	delete calLocalDate;
	delete calLocalTime;
	if( U_FAILURE(status) )
		return false;
 
	return true;
}
 
bool ICU::_ruleBasedNumberFormat(const double rawValue, URBNFRuleSetTag tag, CEGUI::String& formattedValue)
{
    UErrorCode status = U_ZERO_ERROR;
	formattedValue.clear();
 
	// Create a rule based number formatter
	RuleBasedNumberFormat* fmt = new RuleBasedNumberFormat(tag, m_locale, status);
	if( U_FAILURE(status) )
		return false;
 
    UnicodeString uValue;
    fmt->format(rawValue, uValue);
	delete fmt;
 
	formattedValue.clear();
	UnicodeToCeguiString(uValue, formattedValue);
	return true;
}
 
bool ICU::_ruleBasedNumberFormat(const int32_t rawValue, URBNFRuleSetTag tag, CEGUI::String& formattedValue)
{
    UErrorCode status = U_ZERO_ERROR;
	formattedValue.clear();
 
	// Create a rule based number formatter
	RuleBasedNumberFormat* fmt = new RuleBasedNumberFormat(tag, m_locale, status);
	if( U_FAILURE(status) )
		return false;
 
    UnicodeString uValue;
	Formattable fValue(rawValue);
	fmt->format(fValue, uValue, status);
	delete fmt;
	if( U_FAILURE(status) )
		return false;
 
	formattedValue.clear();
	UnicodeToCeguiString(uValue, formattedValue);
	return true;
}

#ifndef _FormattedData_h_
#define _FormattedData_h_
 
#include "CEGuiSample.h"
#include "CEGUI.h"
 
#include "ICU.h"
 
class DemoSample : public CEGuiSample
{
public:
	bool initialiseSample()
	{
		using namespace CEGUI;
		try
		{
			// Retrieve the window manager
			WindowManager& winMgr = WindowManager::getSingleton();
 
			// Load the TaharezLook scheme and set up the default mouse cursor and font
			SchemeManager::getSingleton().loadScheme("TaharezLook.scheme");
			System::getSingleton().setDefaultMouseCursor("TaharezLook", "MouseArrow");
			if(!FontManager::getSingleton().isFontPresent("Commonwealth-10"))
				FontManager::getSingleton().createFont("Commonwealth-10.font");
 
			// Set the GUI Sheet
			Window* sheet = winMgr.createWindow("DefaultWindow", "root_wnd");
			System::getSingleton().setGUISheet(sheet);
 
			// Load a layout
			Window* guiLayout = winMgr.loadWindowLayout("FormattedData.layout");
			sheet->addChildWindow(guiLayout);
 
			/******** ICU Stuff ********/
 
			// Display one ISO country in a combo box
			Combobox* countries = static_cast<Combobox*>(winMgr.getWindow("Countries"));
			countries->setReadOnly(true);
			ListboxTextItem* listboxTextItem;
			listboxTextItem = new ListboxTextItem( Locale::getDefault().getCountry() );
			listboxTextItem->setSelectionBrushImage("TaharezLook", "MultiListSelectionBrush");
			countries->addItem(listboxTextItem);
			countries->setText(	Locale::getDefault().getCountry() );
			countries->subscribeEvent(Combobox::EventListSelectionAccepted, Event::Subscriber(&DemoSample::onLocaleChanged, this));
 
			// Display two ISO languages in a combo box
			Combobox* languages = static_cast<Combobox*>(winMgr.getWindow("Languages"));
			languages->subscribeEvent(Combobox::EventListSelectionAccepted, Event::Subscriber(&DemoSample::onLocaleChanged, this));
			languages->setReadOnly(true);
			listboxTextItem = new ListboxTextItem("en");
			listboxTextItem->setSelectionBrushImage("TaharezLook", "MultiListSelectionBrush");
			languages->addItem(listboxTextItem);
			listboxTextItem = new ListboxTextItem("fr");
			listboxTextItem->setSelectionBrushImage("TaharezLook", "MultiListSelectionBrush");
			languages->addItem(listboxTextItem);
			languages->setText("en");
			languages->subscribeEvent(Combobox::EventListSelectionAccepted, Event::Subscriber(&DemoSample::onLocaleChanged, this));
			PushButton* everyISO = static_cast<PushButton*>(winMgr.getWindow("EveryISO"));
			everyISO->subscribeEvent(PushButton::EventClicked, Event::Subscriber(&DemoSample::onLoadEveryISO, this));
 
			// Configure the currency widgets
			Editbox* currencyValue = static_cast<Editbox*>(winMgr.getWindow("CurrencyValue"));
			currencyValue->subscribeEvent(Editbox::EventTextChanged, Event::Subscriber(&DemoSample::onCurrencyChanged, this));
			RadioButton* radio;
			radio = static_cast<RadioButton*>(winMgr.getWindow("RadioCAD"));
			radio->subscribeEvent(RadioButton::EventSelectStateChanged, Event::Subscriber(&DemoSample::onCurrencySelected, this));
			radio->setID(1);
			radio->setSelected(true);
			radio = static_cast<RadioButton*>(winMgr.getWindow("RadioUSD"));
			radio->subscribeEvent(RadioButton::EventSelectStateChanged, Event::Subscriber(&DemoSample::onCurrencySelected, this));
			radio->setID(2);
			radio = static_cast<RadioButton*>(winMgr.getWindow("RadioEUR"));
			radio->subscribeEvent(RadioButton::EventSelectStateChanged, Event::Subscriber(&DemoSample::onCurrencySelected, this));
			radio->setID(3);
			radio = static_cast<RadioButton*>(winMgr.getWindow("RadioMRO"));
			radio->subscribeEvent(RadioButton::EventSelectStateChanged, Event::Subscriber(&DemoSample::onCurrencySelected, this));
			radio->setID(4);
 
			// Configure the numeric widgets
			Editbox* numericValue = static_cast<Editbox*>(winMgr.getWindow("NumericValue"));
			numericValue->subscribeEvent(Editbox::EventTextChanged, Event::Subscriber(&DemoSample::onNumericChanged, this));
			Editbox* numericFormat = static_cast<Editbox*>(winMgr.getWindow("NumericFormat"));
			numericFormat->subscribeEvent(Editbox::EventTextChanged, Event::Subscriber(&DemoSample::onNumericChanged, this));
			PushButton* numericFormatButton = static_cast<PushButton*>(winMgr.getWindow("NumericFormatButton"));
			numericFormatButton->subscribeEvent(PushButton::EventClicked, Event::Subscriber(&DemoSample::onNumericFormatClicked, this));
 
			// Configure the date/time widgets
			Editbox* dateValue = static_cast<Editbox*>(winMgr.getWindow("DateValue"));
			dateValue->subscribeEvent(Editbox::EventTextChanged, Event::Subscriber(&DemoSample::onDateTimeChanged, this));
			Editbox* timeValue = static_cast<Editbox*>(winMgr.getWindow("TimeValue"));
			timeValue->subscribeEvent(Editbox::EventTextChanged, Event::Subscriber(&DemoSample::onDateTimeChanged, this));
			Editbox* dateFormat = static_cast<Editbox*>(winMgr.getWindow("DateFormat"));
			dateFormat->subscribeEvent(Editbox::EventTextChanged, Event::Subscriber(&DemoSample::onDateTimeChanged, this));
			Editbox* timeFormat = static_cast<Editbox*>(winMgr.getWindow("TimeFormat"));
			timeFormat->subscribeEvent(Editbox::EventTextChanged, Event::Subscriber(&DemoSample::onDateTimeChanged, this));
			PushButton* dateTimeFormatButton = static_cast<PushButton*>(winMgr.getWindow("DateTimeFormatButton"));
			dateTimeFormatButton->subscribeEvent(PushButton::EventClicked, Event::Subscriber(&DemoSample::onDateTimeFormatClicked, this));
 
			// Configure the spinner
			Spinner* spinner = static_cast<Spinner*>(winMgr.getWindow("Spinner"));
			spinner->subscribeEvent(Spinner::EventValueChanged, Event::Subscriber(&DemoSample::onSpinnerValueChanged, this));
			static_cast<Editbox*>(winMgr.getWindow(spinner->getName() + "__auto_editbox__"))->setReadOnly(true); // We cannot handle manually specified values yet
			spinner->setTextInputMode(Spinner::FloatingPoint); // FloatingPoint, Integer, Hexadecimal, Octal
			spinner->setMinimumValue(-10.0f);
			spinner->setMaximumValue(10.0f);
			spinner->setStepSize(0.02f);
			spinner->setCurrentValue(5.2f);
 
			// Configure the character widgets
			Editbox* characterValue = static_cast<Editbox*>(winMgr.getWindow("CharacterValue"));
			characterValue->subscribeEvent(Editbox::EventTextChanged, Event::Subscriber(&DemoSample::onCharacterChanged, this));
			Editbox* characterFormat = static_cast<Editbox*>(winMgr.getWindow("CharacterFormat"));
			characterFormat->subscribeEvent(Editbox::EventTextChanged, Event::Subscriber(&DemoSample::onCharacterChanged, this));
			PushButton* characterFormatButton = static_cast<PushButton*>(winMgr.getWindow("CharacterFormatButton"));
			characterFormatButton->subscribeEvent(PushButton::EventClicked, Event::Subscriber(&DemoSample::onCharacterFormatClicked, this));
			EventArgs e;
			onCharacterFormatClicked(e);
 
			// Initialize the localise values
			RefreshLocalisedValues();
		}
		catch(Exception &e)
		{
			#if defined( __WIN32__ ) || defined( _WIN32 )
				MessageBox(NULL, e.getMessage().c_str(), "Error initializing the demo", MB_OK | MB_ICONERROR | MB_TASKMODAL);
			#else
				std::cerr << "Error initializing the demo:" << e.getMessage().c_str() << "\n";
			#endif
		}
 
		return true;
	}
 
    void cleanupSample(void)
	{
		CEGUI::FontManager::getSingleton().destroyAllFonts();
	}
private:
	ICU icu; // International Components for Unicode
 
	void RefreshLocalisedValues()
	{
		// Trigger changes in localised widgets to refresh their values accordingly
		using namespace CEGUI;
		WindowManager& winMgr = WindowManager::getSingleton();
		EventArgs eventArgs;
		static_cast<RadioButton*>(winMgr.getWindow("RadioCAD"))->fireEvent(RadioButton::EventSelectStateChanged, eventArgs);
		static_cast<PushButton*>(winMgr.getWindow("NumericFormatButton"))->fireEvent(PushButton::EventClicked, eventArgs);
		static_cast<PushButton*>(winMgr.getWindow("DateTimeFormatButton"))->fireEvent(PushButton::EventClicked, eventArgs);
		static_cast<Spinner*>(winMgr.getWindow("Spinner"))->fireEvent(Spinner::EventValueChanged, eventArgs);
	}
 
	bool onLocaleChanged(const CEGUI::EventArgs& e)
	{
		using namespace CEGUI;
		WindowManager& winMgr = WindowManager::getSingleton();
		String country = static_cast<Combobox*>(winMgr.getWindow("Countries"))->getText();
		String language = static_cast<Combobox*>(winMgr.getWindow("Languages"))->getText();
		if(icu.setLocale(language.c_str(), country.c_str()))
			RefreshLocalisedValues();
		else
			MessageBox(NULL,
						("Error with setLocale(" + language + ", " + country + ")").c_str(), 
						"Error",
						MB_OK | MB_ICONERROR | MB_TASKMODAL);
 
		return true;
	}
 
	bool onLoadEveryISO(const CEGUI::EventArgs& e)
	{
		using namespace CEGUI;
		WindowManager& winMgr = WindowManager::getSingleton();
		ListboxTextItem* listboxTextItem;
		int32_t count;
 
		// Change the label of the button
		PushButton* everyISO = static_cast<PushButton*>(winMgr.getWindow("EveryISO"));
		everyISO->setText("This will take a few seconds...");
 
		// Display every ISO countries in a combobox
		Combobox* countries = static_cast<Combobox*>(winMgr.getWindow("Countries"));
		const char * const * listCountries = Locale::getISOCountries();
		for(count = 0; listCountries[count]; count++)
		{
			listboxTextItem = new ListboxTextItem(listCountries[count]);
			listboxTextItem->setSelectionBrushImage("TaharezLook", "MultiListSelectionBrush");
			countries->addItem(listboxTextItem);
		}
		countries->setText(	Locale::getDefault().getCountry() );
 
		// Display every ISO languages in a combobox
		Combobox* languages = static_cast<Combobox*>(winMgr.getWindow("Languages"));
		const char * const * listLanguages = Locale::getISOLanguages();
		for(count = 0; listLanguages[count]; count++)
		{
			listboxTextItem = new ListboxTextItem(listLanguages[count]);
			listboxTextItem->setSelectionBrushImage("TaharezLook", "MultiListSelectionBrush");
			languages->addItem(listboxTextItem);
		}
		languages->setText(	Locale::getDefault().getLanguage() );
 
		// Remove this button since it is no longer useful
		everyISO->setEnabled(false);
		everyISO->setVisible(false);
 
		return true;
	}
 
	bool onCurrencyChanged(const CEGUI::EventArgs& e)
	{
		using namespace CEGUI;
		WindowManager& winMgr = WindowManager::getSingleton();
		EventArgs eventArgs;
		static_cast<RadioButton*>(winMgr.getWindow("RadioCAD"))->fireEvent(RadioButton::EventSelectStateChanged, eventArgs);
		return true;
	}
 
	bool onCurrencySelected(const CEGUI::EventArgs& e)
	{
		// Reformat the numeric value into a properly formatted currency
		using namespace CEGUI;
		WindowManager& winMgr = WindowManager::getSingleton();
 
		// Set the currency
		CEGUI::uint id = static_cast<RadioButton*>(winMgr.getWindow("RadioCAD"))->getSelectedButtonInGroup()->getID();
		switch(id)
		{
		case 1:
			icu.setCurrency("CAD");
			break;
		case 2:
			icu.setCurrency("USD");
			break;
		case 3:
			icu.setCurrency("EUR");
			break;
		case 4:
			// Mauritania does not use a decimal division of units
			// and yet ICU still displays decimal units??
			icu.setCurrency("MRO");
			break;
		}
 
		CEGUI::String rawValue = static_cast<Editbox*>(winMgr.getWindow("CurrencyValue"))->getText();
		double currency = atof(rawValue.c_str());
		CEGUI::String formattedValue;
		if( icu.formatCurrency(currency, formattedValue) )
			static_cast<Editbox*>(winMgr.getWindow("CurrencyFormattedValue"))->setText(formattedValue);
 
		return true;
	}
 
	bool onNumericChanged(const CEGUI::EventArgs& e)
	{
		using namespace CEGUI;
		WindowManager& winMgr = WindowManager::getSingleton();
		EventArgs eventArgs;
		static_cast<PushButton*>(winMgr.getWindow("NumericFormatButton"))->fireEvent(PushButton::EventClicked, eventArgs);
 
		return true;
	}
 
	bool onNumericFormatClicked(const CEGUI::EventArgs& e)
	{
		using namespace CEGUI;
		WindowManager& winMgr = WindowManager::getSingleton();
		String formattedText;
		if( icu.formatNumber(static_cast<Editbox*>(winMgr.getWindow("NumericValue"))->getText(),
							static_cast<Editbox*>(winMgr.getWindow("NumericFormat"))->getText(),
							formattedText) )
			static_cast<Editbox*>(winMgr.getWindow("NumericFormattedValue"))->setText(formattedText);
 
		// Ordinal representation of an integer value
		double doubleValue = atof(static_cast<Editbox*>(winMgr.getWindow("NumericValue"))->getText().c_str());
		if( icu.numberToOrdinal((int) doubleValue, formattedText) )
			static_cast<Editbox*>(winMgr.getWindow("NumericFormattedOrdinal"))->setText(formattedText);
 
		// Textual representation of the numeric value
		// Note that this value must be raw, containing only digits and a decimal point
		// Since atof() is used to convert from a string to a double this numeric value is not localised
		if( icu.numberToText(doubleValue, formattedText) )
			static_cast<Editbox*>(winMgr.getWindow("NumericFormattedText"))->setText(formattedText);
 
		return true;
	}
 
	bool onDateTimeChanged(const CEGUI::EventArgs& e)
	{
		using namespace CEGUI;
		WindowManager& winMgr = WindowManager::getSingleton();
		EventArgs eventArgs;
		static_cast<PushButton*>(winMgr.getWindow("DateTimeFormatButton"))->fireEvent(PushButton::EventClicked, eventArgs);
 
		return true;
	}
 
	bool onDateTimeFormatClicked(const CEGUI::EventArgs& e)
	{
		// Format the date and time according to their specified values and formats
		// In theory a format can include both the date and the time:  yyyy/MM/dd HH:mm:ss
		// However in practice the resulting time is not accurate (within 1 minute 47 seconds)
		using namespace CEGUI;
		WindowManager& winMgr = WindowManager::getSingleton();
		UDate localDate, localTime, gmtDate, gmtTime, gmtDateTime;
		if(icu.CeguiStringToDateTime(	static_cast<Editbox*>(winMgr.getWindow("DateValue"))->getText(),
										"yyyy/MM/dd", // Internal format
										localDate)
			&& icu.CeguiStringToDateTime(	static_cast<Editbox*>(winMgr.getWindow("TimeValue"))->getText(),
											"HH:mm:ss", // Internal format
											localTime) )
		{
			String formattedDate, formattedTime;
			if(icu.formatDateTime(	localDate,
									static_cast<Editbox*>(winMgr.getWindow("DateFormat"))->getText(),
									formattedDate)
				&& icu.formatDateTime(	localTime,
										static_cast<Editbox*>(winMgr.getWindow("TimeFormat"))->getText(),
										formattedTime)
				)
				static_cast<Editbox*>(winMgr.getWindow("LocalDateTimeFormattedValue"))->setText(formattedDate + " " + formattedTime);
 
			// GMT time
			if( icu.CeguiStringToDateTime(static_cast<Editbox*>(winMgr.getWindow("LocalDateTimeFormattedValue"))->getText(),
											"yyyy/MM/dd HH:mm:ss",
											gmtDateTime)
				&& icu.localToGmt(localDate, localTime, gmtDate, gmtTime)
				&& icu.formatDateTime(gmtDate, "yyyy/MM/dd", formattedDate)
				&& icu.formatDateTime(gmtTime, "HH:mm:ss", formattedTime)
				)
				static_cast<Editbox*>(winMgr.getWindow("GmtDateTimeFormattedValue"))->setText(formattedDate + " " + formattedTime);
		}
 
		return true;
	}
 
	bool onSpinnerValueChanged(const CEGUI::EventArgs& e)
	{
		// Reformat the displayed value into a locale appropriate format
		using namespace CEGUI;
		WindowManager& winMgr = WindowManager::getSingleton();
		Spinner* spinner = static_cast<Spinner*>(winMgr.getWindow("Spinner"));
 
		String formattedValue;
		if( icu.formatNumber(spinner->getCurrentValue(), "#0.00", formattedValue) )
		{
			// Disable the Editbox events, especially the EventTextChanged that
			// triggers Spinner::handleEditTextChange, which attempts to convert
			// the textual value into a non-localised numeric value
			Editbox* editbox = static_cast<Editbox*>(winMgr.getWindow(spinner->getName() + "__auto_editbox__"));
			bool muted = editbox->isMuted();
			editbox->setMutedState(true);
			spinner->setText(formattedValue);
			editbox->setMutedState(muted);
		}
 
		return true;
	}
 
	bool onCharacterChanged(const CEGUI::EventArgs& e)
	{
		using namespace CEGUI;
		WindowManager& winMgr = WindowManager::getSingleton();
		EventArgs eventArgs;
		static_cast<PushButton*>(winMgr.getWindow("CharacterFormatButton"))->fireEvent(PushButton::EventClicked, eventArgs);
 
		return true;
	}
 
	bool onCharacterFormatClicked(const CEGUI::EventArgs& e)
	{
		using namespace CEGUI;
		WindowManager& winMgr = WindowManager::getSingleton();
		String formattedText;
		if( icu.formatText(static_cast<Editbox*>(winMgr.getWindow("CharacterValue"))->getText(),
							static_cast<Editbox*>(winMgr.getWindow("CharacterFormat"))->getText(),
							"*",
							formattedText) )
			static_cast<Editbox*>(winMgr.getWindow("CharacterFormattedValue"))->setText(formattedText);
 
		return true;
	}
 
};
 
#endif // _FormattedData_h_