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Fixed issues #2 and #3 from original repository #5

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Fixed issues #2 and #3 from original repository #5

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446eee1
Fixed issue #3 from original repository
Oct 22, 2015
d666191
Improved the use of filter with more settings like suffix and custom …
Oct 22, 2015
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7 changes: 2 additions & 5 deletions FormattedCurrencyInput/ViewController.h
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Original file line number Diff line number Diff line change
Expand Up @@ -8,9 +8,6 @@

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController <UITextFieldDelegate>
@interface ViewController : UIViewController

@property (strong, nonatomic) IBOutlet UITextField *textField;
- (IBAction)valueButton:(id)sender;

@end
@end
164 changes: 102 additions & 62 deletions FormattedCurrencyInput/ViewController.m
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Original file line number Diff line number Diff line change
Expand Up @@ -8,60 +8,110 @@

#import "ViewController.h"

@interface ViewController ()
static NSUInteger const kMaxLength = 11;

typedef NS_ENUM(NSUInteger, InputType) {
InputTypeRegular,
InputTypeSuffix
};

@interface ViewController ()<UITextFieldDelegate>

@property (nonatomic, weak) IBOutlet UITextField *textField;
@property (nonatomic, weak) IBOutlet UITextField *suffixField;

@property (nonatomic, strong) NSNumberFormatter *regularFormatter;
@property (nonatomic, strong) NSNumberFormatter *suffixFormatter;

- (IBAction)valueButton:(id)sender;

@end

@implementation ViewController

@synthesize textField = _textField;

#pragma mark - View Life Cycle
- (void)viewDidLoad
{
[super viewDidLoad];
_textField.delegate = self;

NSNumberFormatter *numberFormatter = [[NSNumberFormatter alloc] init];
[numberFormatter setNumberStyle:NSNumberFormatterCurrencyStyle];
[numberFormatter setMaximumFractionDigits:2];
[numberFormatter setMinimumFractionDigits:2];

_textField.text = [numberFormatter stringFromNumber:[NSNumber numberWithInt:0]];
self.textField.text = [self.regularFormatter stringFromNumber:@0];
self.suffixField.text = [self.suffixFormatter stringFromNumber:@0];
}

- (void)viewWillAppear:(BOOL)animated
{
[super viewWillAppear:animated];
[self.textField becomeFirstResponder];
}

- (void)didReceiveMemoryWarning
#pragma mark - Accessors
- (NSNumberFormatter *) regularFormatter
{
[super didReceiveMemoryWarning];
if (_regularFormatter)
{
return _regularFormatter;
}

_regularFormatter = [[NSNumberFormatter alloc] init];
_regularFormatter.numberStyle = NSNumberFormatterCurrencyStyle;
_regularFormatter.maximumFractionDigits = 2;
_regularFormatter.minimumFractionDigits = 2;

return _regularFormatter;
}

- (IBAction)valueButton:(id)sender
- (NSNumberFormatter *) suffixFormatter
{
NSString *textFieldStr = [NSString stringWithFormat:@"%@", _textField.text];
if (_suffixFormatter)
{
return _suffixFormatter;
}

NSMutableString *textFieldStrValue = [NSMutableString stringWithString:textFieldStr];
_suffixFormatter = [[NSNumberFormatter alloc] init];
_suffixFormatter.numberStyle = NSNumberFormatterCurrencyStyle;
_suffixFormatter.positiveFormat = @"#,##0.00¤";
_suffixFormatter.negativeFormat = @"(#,##0.00¤";
_suffixFormatter.currencySymbol = @"YTL";

NSNumberFormatter *numberFormatter = [[NSNumberFormatter alloc] init];
[numberFormatter setNumberStyle:NSNumberFormatterCurrencyStyle];
return _suffixFormatter;
}

[textFieldStrValue replaceOccurrencesOfString:numberFormatter.currencySymbol
withString:@""
options:NSLiteralSearch
range:NSMakeRange(0, [textFieldStrValue length])];

[textFieldStrValue replaceOccurrencesOfString:numberFormatter.groupingSeparator
withString:@""
options:NSLiteralSearch
range:NSMakeRange(0, [textFieldStrValue length])];
#pragma mark - private
- (NSString *) valueFromString:(NSString *)string
{
NSCharacterSet *valueSet= [[NSCharacterSet characterSetWithCharactersInString:@"0123456789,."] invertedSet];
return [[[string componentsSeparatedByCharactersInSet:valueSet] componentsJoinedByString:@""] mutableCopy];
}

- (NSString *) numberFromString:(NSString *)string
{
NSCharacterSet *numberSet = [[NSCharacterSet characterSetWithCharactersInString:@"0123456789"] invertedSet];
return [[[string componentsSeparatedByCharactersInSet:numberSet] componentsJoinedByString:@""] mutableCopy];
}

- (NSDecimalNumber *) dividerForFormatter:(NSNumberFormatter *)formatter
{
return [[[NSDecimalNumber alloc] initWithInt:10] decimalNumberByRaisingToPower:formatter.maximumFractionDigits];
}

- (NSString *) alertTextForField:(UITextField *)field formatter:(NSNumberFormatter *)formatter
{
NSDecimalNumber *textFieldNum = [NSDecimalNumber decimalNumberWithString:[self numberFromString:field.text]];
textFieldNum = [textFieldNum decimalNumberByDividingBy:[self dividerForFormatter:formatter]];
return [NSString stringWithFormat:@"Value:%@\nNumber:%@", field.text, textFieldNum];
}

NSDecimalNumber *textFieldNum = [NSDecimalNumber decimalNumberWithString:textFieldStrValue];
#pragma mark - Action
- (IBAction)valueButton:(id)sender
{
NSString *regular = [self alertTextForField:self.textField formatter:self.regularFormatter];
NSString *suffix = [self alertTextForField:self.suffixField formatter:self.suffixFormatter];
NSString *message = [NSString stringWithFormat:@"Regular\n%@\n\nSuffix\n%@", regular, suffix];

UIAlertView* alert = [[UIAlertView alloc] initWithTitle:nil
message:[NSString stringWithFormat:@"Value: %@, Number: %@", textFieldStr, textFieldNum]
message:message
delegate:nil
cancelButtonTitle:@"Ok"
otherButtonTitles:nil];
Expand All @@ -70,30 +120,24 @@ - (IBAction)valueButton:(id)sender

- (BOOL)textField:(UITextField*)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString*)string
{
NSInteger MAX_DIGITS = 11; // $999,999,999.99
NSNumberFormatter *formatter;

NSNumberFormatter *numberFormatter = [[NSNumberFormatter alloc] init];
[numberFormatter setNumberStyle:NSNumberFormatterCurrencyStyle];
[numberFormatter setMaximumFractionDigits:2];
[numberFormatter setMinimumFractionDigits:2];
if (textField.tag == InputTypeSuffix)
{
formatter = self.suffixFormatter;
}
else
{
formatter = self.regularFormatter;
}

NSString *stringMaybeChanged = [NSString stringWithString:string];
if (stringMaybeChanged.length > 1)
{
NSMutableString *stringPasted = [NSMutableString stringWithString:stringMaybeChanged];

[stringPasted replaceOccurrencesOfString:numberFormatter.currencySymbol
withString:@""
options:NSLiteralSearch
range:NSMakeRange(0, [stringPasted length])];

[stringPasted replaceOccurrencesOfString:numberFormatter.groupingSeparator
withString:@""
options:NSLiteralSearch
range:NSMakeRange(0, [stringPasted length])];

stringPasted = [[self numberFromString:stringPasted] mutableCopy];
NSDecimalNumber *numberPasted = [NSDecimalNumber decimalNumberWithString:stringPasted];
stringMaybeChanged = [numberFormatter stringFromNumber:numberPasted];
stringMaybeChanged = [formatter stringFromNumber:numberPasted];
}

UITextRange *selectedRange = [textField selectedTextRange];
Expand All @@ -102,29 +146,25 @@ - (BOOL)textField:(UITextField*)textField shouldChangeCharactersInRange:(NSRange
NSMutableString *textFieldTextStr = [NSMutableString stringWithString:textField.text];
NSUInteger textFieldTextStrLength = textFieldTextStr.length;

[textFieldTextStr replaceCharactersInRange:range withString:stringMaybeChanged];

[textFieldTextStr replaceOccurrencesOfString:numberFormatter.currencySymbol
withString:@""
options:NSLiteralSearch
range:NSMakeRange(0, [textFieldTextStr length])];
NSUInteger originalLength = textFieldTextStr.length;
textFieldTextStr = [[self valueFromString:textFieldTextStr] mutableCopy];
NSUInteger newLength = textFieldTextStr.length;
range.location += newLength - originalLength;

[textFieldTextStr replaceOccurrencesOfString:numberFormatter.groupingSeparator
withString:@""
options:NSLiteralSearch
range:NSMakeRange(0, [textFieldTextStr length])];

[textFieldTextStr replaceOccurrencesOfString:numberFormatter.decimalSeparator
withString:@""
options:NSLiteralSearch
range:NSMakeRange(0, [textFieldTextStr length])];
[textFieldTextStr replaceCharactersInRange:range withString:stringMaybeChanged];
textFieldTextStr = [[self numberFromString:textFieldTextStr] mutableCopy];

if (textFieldTextStr.length <= MAX_DIGITS)
if (textFieldTextStr.length <= kMaxLength)
{
NSDecimalNumber *textFieldTextNum = [NSDecimalNumber decimalNumberWithString:textFieldTextStr];
NSDecimalNumber *divideByNum = [[[NSDecimalNumber alloc] initWithInt:10] decimalNumberByRaisingToPower:numberFormatter.maximumFractionDigits];
NSDecimalNumber *textFieldTextNewNum = [textFieldTextNum decimalNumberByDividingBy:divideByNum];
NSString *textFieldTextNewStr = [numberFormatter stringFromNumber:textFieldTextNewNum];
NSDecimalNumber *divideByNum = [self dividerForFormatter:formatter];
NSString *textFieldTextNewStr;

if (!isnan(textFieldTextNum.doubleValue))
{
NSDecimalNumber *textFieldTextNewNum = [textFieldTextNum decimalNumberByDividingBy:divideByNum];
textFieldTextNewStr = [formatter stringFromNumber:textFieldTextNewNum];
}

textField.text = textFieldTextNewStr;

Expand Down
65 changes: 34 additions & 31 deletions FormattedCurrencyInput/en.lproj/MainStoryboard.storyboard
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Original file line number Diff line number Diff line change
@@ -1,52 +1,72 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="2.0" toolsVersion="3084" systemVersion="12E55" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" initialViewController="2">
<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="9059" systemVersion="15B42" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" initialViewController="2">
<dependencies>
<deployment defaultVersion="1552" identifier="iOS"/>
<development version="4600" identifier="xcode"/>
<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="2083"/>
<deployment identifier="iOS"/>
<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9049"/>
</dependencies>
<scenes>
<!--View Controller-->
<scene sceneID="5">
<objects>
<viewController id="2" customClass="ViewController" sceneMemberID="viewController">
<layoutGuides>
<viewControllerLayoutGuide type="top" id="CvZ-DG-bNk"/>
<viewControllerLayoutGuide type="bottom" id="fII-PJ-2Hf"/>
</layoutGuides>
<view key="view" contentMode="scaleToFill" id="3">
<rect key="frame" x="0.0" y="20" width="320" height="548"/>
<rect key="frame" x="0.0" y="0.0" width="320" height="568"/>
<autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
<subviews>
<textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="roundedRect" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="eIF-en-8Z3">
<rect key="frame" x="60" y="20" width="200" height="30"/>
<animations/>
<constraints>
<constraint firstAttribute="width" constant="200" id="fXq-cL-NRx"/>
</constraints>
<fontDescription key="fontDescription" type="system" pointSize="14"/>
<textInputTraits key="textInputTraits" keyboardType="numberPad"/>
<connections>
<outlet property="delegate" destination="2" id="tr7-fP-ZcQ"/>
</connections>
</textField>
<button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="lxs-RT-6ar">
<rect key="frame" x="123" y="114" width="73" height="30"/>
<animations/>
<constraints>
<constraint firstAttribute="width" constant="73" id="pTK-FJ-i1W"/>
</constraints>
<fontDescription key="fontDescription" type="boldSystem" pointSize="15"/>
<state key="normal" title="Value?">
<color key="titleColor" red="0.19607843459999999" green="0.30980393290000002" blue="0.52156865600000002" alpha="1" colorSpace="calibratedRGB"/>
<color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
</state>
<state key="highlighted">
<color key="titleColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
</state>
<connections>
<action selector="valueButton:" destination="2" eventType="touchUpInside" id="csk-e8-MjS"/>
</connections>
</button>
<textField opaque="NO" clipsSubviews="YES" tag="1" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="roundedRect" textAlignment="natural" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="6Sn-Jx-Bgj">
<rect key="frame" x="60" y="67" width="200" height="30"/>
<animations/>
<fontDescription key="fontDescription" type="system" pointSize="14"/>
<textInputTraits key="textInputTraits"/>
<connections>
<outlet property="delegate" destination="2" id="pRt-wF-Byj"/>
</connections>
</textField>
</subviews>
<animations/>
<color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
<constraints>
<constraint firstItem="lxs-RT-6ar" firstAttribute="top" secondItem="eIF-en-8Z3" secondAttribute="bottom" constant="8" symbolic="YES" type="default" id="7n4-DU-H2T"/>
<constraint firstItem="lxs-RT-6ar" firstAttribute="centerX" secondItem="eIF-en-8Z3" secondAttribute="centerX" type="default" id="B5u-55-Z6j"/>
<constraint firstItem="eIF-en-8Z3" firstAttribute="centerX" secondItem="3" secondAttribute="centerX" type="default" id="eoh-K6-PYD"/>
<constraint firstItem="eIF-en-8Z3" firstAttribute="top" secondItem="3" secondAttribute="top" constant="20" symbolic="YES" type="default" id="yeZ-rS-ve0"/>
<constraint firstItem="lxs-RT-6ar" firstAttribute="centerX" secondItem="eIF-en-8Z3" secondAttribute="centerX" id="B5u-55-Z6j"/>
<constraint firstItem="lxs-RT-6ar" firstAttribute="top" secondItem="6Sn-Jx-Bgj" secondAttribute="bottom" constant="17" id="Sum-3G-H8L"/>
<constraint firstItem="6Sn-Jx-Bgj" firstAttribute="top" secondItem="eIF-en-8Z3" secondAttribute="bottom" constant="17" id="WCJ-jy-A9E"/>
<constraint firstItem="6Sn-Jx-Bgj" firstAttribute="centerX" secondItem="eIF-en-8Z3" secondAttribute="centerX" id="bp4-gV-STN"/>
<constraint firstItem="eIF-en-8Z3" firstAttribute="centerX" secondItem="3" secondAttribute="centerX" id="eoh-K6-PYD"/>
<constraint firstItem="6Sn-Jx-Bgj" firstAttribute="width" secondItem="eIF-en-8Z3" secondAttribute="width" id="nWw-zV-wkZ"/>
<constraint firstItem="eIF-en-8Z3" firstAttribute="top" secondItem="3" secondAttribute="top" constant="20" symbolic="YES" id="yeZ-rS-ve0"/>
</constraints>
</view>
<connections>
<outlet property="suffixField" destination="6Sn-Jx-Bgj" id="u69-yP-Yv2"/>
<outlet property="textField" destination="eIF-en-8Z3" id="dKj-zU-SfN"/>
</connections>
</viewController>
Expand All @@ -55,21 +75,4 @@
<point key="canvasLocation" x="88" y="11"/>
</scene>
</scenes>
<classes>
<class className="NSLayoutConstraint" superclassName="NSObject">
<source key="sourceIdentifier" type="project" relativePath="./Classes/NSLayoutConstraint.h"/>
</class>
<class className="ViewController" superclassName="UIViewController">
<source key="sourceIdentifier" type="project" relativePath="./Classes/ViewController.h"/>
<relationships>
<relationship kind="action" name="valueButton:"/>
<relationship kind="outlet" name="textField" candidateClass="UITextField"/>
</relationships>
</class>
</classes>
<simulatedMetricsContainer key="defaultSimulatedMetrics">
<simulatedStatusBarMetrics key="statusBar"/>
<simulatedOrientationMetrics key="orientation"/>
<simulatedScreenMetrics key="destination" type="retina4"/>
</simulatedMetricsContainer>
</document>
</document>