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watrabi
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//
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// RBValidTextField.m
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// RobloxMobile
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//
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// Created by Kyler Mulherin on 7/9/15.
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// Copyright (c) 2015 ROBLOX. All rights reserved.
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//
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#import "RBValidTextField.h"
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#import "RobloxTheme.h"
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#import "UIView+Position.h"
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#import <QuartzCore/QuartzCore.h>
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@implementation RBValidTextField
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{
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//UI elements
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UITextField* _txtInput;
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UILabel* _lblError;
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UILabel* _lblTitle;
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UILabel* _lblHelper;
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//private variables
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bool _isValidated;
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bool _shouldRestrictCharacters;
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void (^validationBlock)();
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void (^exitOnEnterBlock)();
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id _nextResponder;
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CGSize _helperSize;
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CGSize _inputSize;
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}
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//Initializization and view layout stuff
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-(void) initialize {
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validationBlock = nil;
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exitOnEnterBlock = nil;
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_isValidated = false;
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_nextResponder = nil;
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_shouldRestrictCharacters = YES;
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[self setClipsToBounds:NO];
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_txtInput = [[UITextField alloc] init];
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[RobloxTheme applyToModalLoginTextField:_txtInput];
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[_txtInput.layer setBorderWidth:1];
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[_txtInput.layer setBorderColor:[RobloxTheme colorGray4].CGColor];
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[_txtInput.layer setCornerRadius:5.0];
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[_txtInput setDelegate:self];
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[_txtInput setFont:[RobloxTheme fontBody]];
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[_txtInput setKeyboardType:UIKeyboardTypeDefault];
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[_txtInput setText:@""];
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[_txtInput setTextAlignment:NSTextAlignmentLeft];
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[_txtInput setContentVerticalAlignment:UIControlContentVerticalAlignmentCenter];
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[_txtInput setTextColor:[RobloxTheme colorGray1]];
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[_txtInput setLeftViewMode:UITextFieldViewModeAlways];
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[_txtInput setOpaque:YES];
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[_txtInput setAutocapitalizationType:UITextAutocapitalizationTypeNone];
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[_txtInput setAutocorrectionType:UITextAutocorrectionTypeNo];
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[_txtInput setReturnKeyType:UIReturnKeyDone];
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[_txtInput setClearButtonMode:UITextFieldViewModeWhileEditing];
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_lblTitle = [[UILabel alloc] init];
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[_lblTitle setText:@""];
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[_lblTitle setOpaque:YES];
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[RobloxTheme applyToModalLoginTitleLabel:_lblTitle];
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//_lblHint = [[UILabel alloc] init];
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//[_lblHint setText:@""];
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//[_lblHint setOpaque:YES];
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//[_lblHint setLineBreakMode:NSLineBreakByWordWrapping];
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//[_lblHint setNumberOfLines:2];
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//[RobloxTheme applyToModalLoginHintLabel:_lblHint];
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_lblHelper = [[UILabel alloc] init];
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[_lblHelper setText:@""];
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[_lblHelper setOpaque:YES];
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[_lblHelper setHidden:YES];
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[RobloxTheme applyToModalLoginHintLabel:_lblHelper];
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[_lblHelper setFont:[RobloxTheme fontBodySmall]];
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//[_lblHelper setLineBreakMode:NSLineBreakByTruncatingTail];
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_lblError = [[UILabel alloc] init];
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[_lblError setFont:[RobloxTheme fontBodySmall]];
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[_lblError setTextColor:[RobloxTheme colorRed1]];
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[_lblError setTextAlignment:NSTextAlignmentLeft];
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[_lblError setText:@""];
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[_lblError setOpaque:YES];
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[_lblError setHidden:YES];
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[_lblError setNumberOfLines:1];
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[_lblError setAdjustsFontSizeToFitWidth:YES];
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//add the objects to the view
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[self addSubview:_txtInput];
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[self addSubview:_lblTitle];
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//[self addSubview:_lblHint];
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[self addSubview:_lblError];
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[self addSubview:_lblHelper];
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[_txtInput setFrame:CGRectZero];
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[_lblHelper setFrame:CGRectZero];
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[_lblError setFrame:CGRectZero];
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}
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-(void) layoutSubviews {
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//layout the views
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int margin = 12; //self.width * 0.05;
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_helperSize= CGSizeMake(self.width, 14);
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_inputSize = CGSizeMake(self.width, self.height);
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[_txtInput setFrame:CGRectMake(0, _helperSize.height, _inputSize.width, _inputSize.height)];
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[_lblHelper setFrame:CGRectMake(0, self.height, _helperSize.width, _helperSize.height)];
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[_lblError setFrame:CGRectMake(0, self.height, _helperSize.width, _helperSize.height)];
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[_txtInput setLeftView:[[UIView alloc] initWithFrame:CGRectMake(0, 0, margin, _txtInput.height)]];
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if (_lblError.hidden)
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{
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if (_lblHelper.hidden)
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[_txtInput setY:0];
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else
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[_txtInput setY:_lblHelper.bottom];
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}
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if (_lblTitle.text.length > 0)
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{
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//int margin = self.width * 0.05;
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CGSize textSize = [_lblTitle.text sizeWithAttributes:@{NSFontAttributeName:_lblTitle.font}];
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[_lblTitle setFrame:CGRectMake(margin, _txtInput.y, textSize.width, _txtInput.height)];
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//[_lblHint setFrame:CGRectMake(_lblTitle.right + margin, _txtInput.y, MAX(0, _txtInput.width - (_lblTitle.right + margin + margin)), _txtInput.height)];
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}
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//if (_lblHelper.text.length > 0) //(_lblHint.text.length > 0)
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//{
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// CGSize textSize = [_lblHelper.text sizeWithAttributes:@{NSFontAttributeName:_lblHelper.font}];
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// if (textSize.width >= _lblHelper.width)
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// [_lblHelper setText:_lblHint.text];
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//}
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}
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-(id) init {
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self = [super init];
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if (self)
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[self initialize];
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return self;
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}
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-(id) initWithFrame:(CGRect)frame {
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self = [super initWithFrame:frame];
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if (self)
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[self initialize];
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return self;
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}
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-(id) initWithCoder:(NSCoder *)aDecoder {
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self = [super initWithCoder:aDecoder];
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if (self)
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[self initialize];
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return self;
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}
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//Mutators
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-(void) setText:(NSString *)text { _txtInput.text = text; [self forceUpdate]; }
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-(void) setTitle:(NSString*)titleText {
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[_lblTitle setText:titleText];
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//[_lblHelper setText:titleText];
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int margin = self.width * 0.05;
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CGSize textSize = [_lblTitle.text sizeWithAttributes:@{NSFontAttributeName:_lblTitle.font}];
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[_lblTitle setFrame:CGRectMake(margin, _txtInput.y, textSize.width, _txtInput.height)];
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//[_lblHint setFrame:CGRectMake(_lblTitle.right + margin, _txtInput.y, MAX(0, (_txtInput.width - _lblTitle.width) - margin), _txtInput.height)];
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}
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-(void) setHint:(NSString*)hintText {
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//[_lblHint setText:hintText];
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//[_lblHelper setText:[NSString stringWithFormat:@"%@ (%@)", _lblHelper.text, hintText]];
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[_lblHelper setText:hintText];
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}
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-(void) setError:(NSString*)errorMessage { [_txtInput setText:errorMessage]; }
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-(void) setNextResponder:(id)aResponder {
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_nextResponder = aResponder;
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[_txtInput setReturnKeyType: (_nextResponder != nil) ? UIReturnKeyNext : UIReturnKeyDone];
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}
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-(void) setValidationBlock:(void(^)())block { validationBlock = block; }
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-(void) setExitOnEnterBlock:(void (^)())block { exitOnEnterBlock = block; }
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-(void) forceUpdate {
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if (!self)
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return;
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if (_txtInput.text && _txtInput.text.length > 0)
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{
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//the user has entered text, so keep the helpers hidden
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_lblTitle.hidden = YES;
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//_lblHint.hidden = YES;
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}
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else
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{
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//the user has not entered any text yet, show the helper hints again
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_lblTitle.hidden = NO;
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//_lblHint.hidden = NO;
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}
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_lblHelper.hidden = YES;
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[_txtInput setY:0];
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if (_lblError.hidden)
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{
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//everything is normal
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[self markAsNormal];
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}
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}
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-(void) hideError {
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dispatch_async(dispatch_get_main_queue(), ^
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{
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[_txtInput setY:0];
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_lblError.hidden = YES;
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});
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}
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-(void) showError:(NSString*)errorMessage {
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if (errorMessage && errorMessage.length > 0)
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{
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dispatch_async(dispatch_get_main_queue(), ^
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{
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//dynamically size the labels according to the size of the frame provided
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[_txtInput setY:0];
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_lblError.text = errorMessage;
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_lblError.hidden = NO;
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_lblHelper.hidden = YES;
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});
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}
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else
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{
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[self hideError];
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}
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}
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-(void) setProtectedTextEntry:(bool)isProtected { _txtInput.secureTextEntry = isProtected; }
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-(void) setKeyboardType:(UIKeyboardType)type { [_txtInput setKeyboardType:type]; }
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//color changing
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-(void) changeBorderColor:(UIColor*)color { dispatch_async(dispatch_get_main_queue(), ^ { _txtInput.layer.borderColor=[color CGColor]; }); }
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-(void) markAsValid { [self changeBorderColor:[RobloxTheme colorGreen1]]; _isValidated = YES; [self hideError];}
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-(void) markAsNormal { [self changeBorderColor:[RobloxTheme colorGray4]]; }
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-(void) markAsInvalid { [self changeBorderColor:[RobloxTheme colorRed1]]; _isValidated = NO; }
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//Accessors
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-(NSString*) getText { return _txtInput.text; }
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-(NSString*) getError { return _lblError.text; }
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-(bool) isValidated { return _isValidated; }
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-(bool) isEditing { return _txtInput.isEditing; }
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//Delegate functions
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-(void) textFieldDidBeginEditing:(UITextField *)textField {
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if (textField == _txtInput)
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{
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_lblTitle.hidden = YES;
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//_lblHint.hidden = YES;
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//only reveal the helper text if the error isn't visible
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if (_lblError.hidden)
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{
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_lblHelper.hidden = NO;
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//[_txtInput setY:_lblHelper.bottom];
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}
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else
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{
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_lblHelper.hidden = YES;
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}
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}
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}
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-(void) textFieldDidEndEditing:(UITextField *)textField {
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if (textField == _txtInput)
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{
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_isValidated = NO;
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_lblHelper.hidden = YES;
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_lblError.hidden = YES;
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//[_txtInput setY:0];
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[self markAsNormal];
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if (textField.text.length > 0)
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{
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//the user has entered text, so keep the helpers hidden
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_lblTitle.hidden = YES;
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//_lblHint.hidden = YES;
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if (validationBlock)
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validationBlock();
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}
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else
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{
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//the user has not entered any text yet, show the helper hints again
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_lblTitle.hidden = NO;
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//_lblHint.hidden = NO;
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}
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}
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}
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-(BOOL) textFieldShouldReturn:(UITextField *)textField {
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if (_nextResponder)
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[_nextResponder becomeFirstResponder];
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else
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[self.superview endEditing:YES]; //[self resignFirstResponder]; //<-- THIS LINE IS SUSPECT
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if (exitOnEnterBlock)
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exitOnEnterBlock();
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return (_nextResponder == nil);
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}
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//Misc functions
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-(BOOL) becomeFirstResponder {
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[super becomeFirstResponder];
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dispatch_async(dispatch_get_main_queue(), ^{
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[self textFieldDidBeginEditing:_txtInput];
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});
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return [_txtInput becomeFirstResponder];
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}
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-(BOOL) resignFirstResponder {
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[super resignFirstResponder];
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dispatch_async(dispatch_get_main_queue(), ^{
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[self textFieldDidEndEditing:_txtInput];
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_lblHelper.hidden = YES;
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_lblError.hidden = YES;
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});
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return [_txtInput resignFirstResponder];
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}
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@end
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