150 lines
4.3 KiB
Objective-C
150 lines
4.3 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import "RCTTextField.h"
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#import "RCTConvert.h"
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#import "RCTEventDispatcher.h"
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#import "RCTUtils.h"
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#import "UIView+React.h"
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@implementation RCTTextField
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{
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RCTEventDispatcher *_eventDispatcher;
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NSMutableArray *_reactSubviews;
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BOOL _jsRequestingFirstResponder;
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}
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- (instancetype)initWithEventDispatcher:(RCTEventDispatcher *)eventDispatcher
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{
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if ((self = [super initWithFrame:CGRectZero])) {
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_eventDispatcher = eventDispatcher;
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[self addTarget:self action:@selector(_textFieldDidChange) forControlEvents:UIControlEventEditingChanged];
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[self addTarget:self action:@selector(_textFieldBeginEditing) forControlEvents:UIControlEventEditingDidBegin];
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[self addTarget:self action:@selector(_textFieldEndEditing) forControlEvents:UIControlEventEditingDidEnd];
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[self addTarget:self action:@selector(_textFieldSubmitEditing) forControlEvents:UIControlEventEditingDidEndOnExit];
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_reactSubviews = [[NSMutableArray alloc] init];
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}
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return self;
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}
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- (void)setText:(NSString *)text
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{
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if (![text isEqualToString:self.text]) {
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[super setText:text];
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}
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}
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- (NSArray *)reactSubviews
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{
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// TODO: do we support subviews of textfield in React?
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// In any case, we should have a better approach than manually
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// maintaining array in each view subclass like this
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return _reactSubviews;
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}
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- (void)removeReactSubview:(UIView *)subview
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{
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// TODO: this is a bit broken - if the TextField inserts any of
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// its own views below or between React's, the indices won't match
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[_reactSubviews removeObject:subview];
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[subview removeFromSuperview];
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}
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- (void)insertReactSubview:(UIView *)view atIndex:(NSInteger)atIndex
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{
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// TODO: this is a bit broken - if the TextField inserts any of
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// its own views below or between React's, the indices won't match
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[_reactSubviews insertObject:view atIndex:atIndex];
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[super insertSubview:view atIndex:atIndex];
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}
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- (CGRect)caretRectForPosition:(UITextPosition *)position
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{
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if (_caretHidden) {
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return CGRectZero;
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}
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return [super caretRectForPosition:position];
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}
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- (CGRect)textRectForBounds:(CGRect)bounds
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{
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CGRect rect = [super textRectForBounds:bounds];
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return UIEdgeInsetsInsetRect(rect, _contentInset);
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}
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- (CGRect)editingRectForBounds:(CGRect)bounds
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{
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return [self textRectForBounds:bounds];
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}
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- (void)setAutoCorrect:(BOOL)autoCorrect
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{
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self.autocorrectionType = (autoCorrect ? UITextAutocorrectionTypeYes : UITextAutocorrectionTypeNo);
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}
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- (BOOL)autoCorrect
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{
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return self.autocorrectionType == UITextAutocorrectionTypeYes;
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}
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#define RCT_TEXT_EVENT_HANDLER(delegateMethod, eventName) \
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- (void)delegateMethod \
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{ \
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[_eventDispatcher sendTextEventWithType:eventName \
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reactTag:self.reactTag \
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text:self.text]; \
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}
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RCT_TEXT_EVENT_HANDLER(_textFieldDidChange, RCTTextEventTypeChange)
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RCT_TEXT_EVENT_HANDLER(_textFieldEndEditing, RCTTextEventTypeEnd)
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RCT_TEXT_EVENT_HANDLER(_textFieldSubmitEditing, RCTTextEventTypeSubmit)
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- (void)_textFieldBeginEditing
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{
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if (_selectTextOnFocus) {
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dispatch_async(dispatch_get_main_queue(), ^{
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[self selectAll:nil];
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});
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}
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[_eventDispatcher sendTextEventWithType:RCTTextEventTypeFocus
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reactTag:self.reactTag
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text:self.text];
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}
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// TODO: we should support shouldChangeTextInRect (see UITextFieldDelegate)
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- (BOOL)becomeFirstResponder
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{
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_jsRequestingFirstResponder = YES;
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BOOL result = [super becomeFirstResponder];
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_jsRequestingFirstResponder = NO;
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return result;
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}
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- (BOOL)resignFirstResponder
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{
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BOOL result = [super resignFirstResponder];
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if (result)
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{
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[_eventDispatcher sendTextEventWithType:RCTTextEventTypeBlur
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reactTag:self.reactTag
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text:self.text];
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}
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return result;
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}
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- (BOOL)canBecomeFirstResponder
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{
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return _jsRequestingFirstResponder;
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}
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@end
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