//
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// TPKeyboardAvoidingScrollView.m
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//
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// Created by Michael Tyson on 30/09/2013.
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// Copyright 2013 A Tasty Pixel. All rights reserved.
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//
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#import "TPKeyboardAvoidingScrollView.h"
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@interface TPKeyboardAvoidingScrollView () <UITextFieldDelegate, UITextViewDelegate>
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@end
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@implementation TPKeyboardAvoidingScrollView
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#pragma mark - Setup/Teardown
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- (void)setup {
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(TPKeyboardAvoiding_keyboardWillShow:)
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name:UIKeyboardWillShowNotification
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object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(TPKeyboardAvoiding_keyboardWillHide:)
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name:UIKeyboardWillHideNotification
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object:nil];
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}
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- (id)initWithFrame:(CGRect)frame {
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if (!(self = [super initWithFrame:frame]))
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return nil;
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[self setup];
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return self;
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}
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- (void)awakeFromNib {
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[super awakeFromNib];
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[self setup];
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}
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- (void)dealloc {
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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#if !__has_feature(objc_arc)
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[super dealloc];
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#endif
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}
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- (void)setFrame:(CGRect)frame {
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[super setFrame:frame];
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[self TPKeyboardAvoiding_updateContentInset];
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}
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- (void)setContentSize:(CGSize)contentSize {
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[super setContentSize:contentSize];
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[self TPKeyboardAvoiding_updateFromContentSizeChange];
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}
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- (void)contentSizeToFit {
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self.contentSize = [self TPKeyboardAvoiding_calculatedContentSizeFromSubviewFrames];
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}
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- (BOOL)focusNextTextField {
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return [self TPKeyboardAvoiding_focusNextTextField];
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}
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- (void)scrollToActiveTextField {
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return [self TPKeyboardAvoiding_scrollToActiveTextField];
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}
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#pragma mark - Responders, events
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- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
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[[self TPKeyboardAvoiding_findFirstResponderBeneathView:self] resignFirstResponder];
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[super touchesEnded:touches withEvent:event];
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}
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- (BOOL)textFieldShouldReturn:(UITextField *)textField {
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if (![self focusNextTextField]) {
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[textField resignFirstResponder];
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}
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return YES;
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}
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- (void)textFieldDidBeginEditing:(UITextField *)textField {
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[self scrollToActiveTextField];
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}
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- (void)textViewDidBeginEditing:(UITextView *)textView {
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[self scrollToActiveTextField];
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}
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- (void)layoutSubviews {
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[super layoutSubviews];
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[NSObject
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cancelPreviousPerformRequestsWithTarget:self
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selector:@selector(TPKeyboardAvoiding_assignTextDelegateForViewsBeneathView:)
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object:self];
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[self performSelector:@selector(TPKeyboardAvoiding_assignTextDelegateForViewsBeneathView:)
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withObject:self
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afterDelay:0.1];
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}
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@end
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