forked from mirrors/linphone-iphone
96 lines
2.8 KiB
Objective-C
Executable file
96 lines
2.8 KiB
Objective-C
Executable file
//
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// TPKeyboardAvoidingCollectionView.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 & The CocoaBots. All rights reserved.
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//
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#import "TPKeyboardAvoidingCollectionView.h"
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@interface TPKeyboardAvoidingCollectionView () <UITextFieldDelegate, UITextViewDelegate>
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@end
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@implementation TPKeyboardAvoidingCollectionView
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#pragma mark - Setup/Teardown
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- (void)setup {
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(TPKeyboardAvoiding_keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(TPKeyboardAvoiding_keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
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}
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-(id)initWithFrame:(CGRect)frame {
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if ( !(self = [super initWithFrame:frame]) ) return nil;
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[self setup];
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return self;
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}
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- (id)initWithFrame:(CGRect)frame collectionViewLayout:(UICollectionViewLayout *)layout {
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if ( !(self = [super initWithFrame:frame collectionViewLayout:layout]) ) 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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[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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if (CGSizeEqualToSize(contentSize, self.contentSize)) {
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// Prevent triggering contentSize when it's already the same that
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// cause weird infinte scrolling and locking bug
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return;
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}
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[super setContentSize:contentSize];
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[self TPKeyboardAvoiding_updateContentInset];
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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 cancelPreviousPerformRequestsWithTarget:self selector:@selector(TPKeyboardAvoiding_assignTextDelegateForViewsBeneathView:) object:self];
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[self performSelector:@selector(TPKeyboardAvoiding_assignTextDelegateForViewsBeneathView:) withObject:self afterDelay:0.1];
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}
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@end
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