59 строки
1.5 KiB
Objective-C
59 строки
1.5 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 "RCTSegmentedControl.h"
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#import "RCTConvert.h"
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#import "RCTEventDispatcher.h"
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#import "UIView+React.h"
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@implementation RCTSegmentedControl
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{
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RCTEventDispatcher *_eventDispatcher;
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}
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- (id)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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_selectedIndex = self.selectedSegmentIndex;
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[self addTarget:self action:@selector(onChange:)
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forControlEvents:UIControlEventValueChanged];
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}
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return self;
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}
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- (void)setValues:(NSArray *)values
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{
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_values = [values copy];
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[self removeAllSegments];
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for (NSString *value in values) {
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[self insertSegmentWithTitle:value atIndex:self.numberOfSegments animated:NO];
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}
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super.selectedSegmentIndex = _selectedIndex;
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}
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- (void)setSelectedIndex:(NSInteger)selectedIndex
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{
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_selectedIndex = selectedIndex;
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super.selectedSegmentIndex = selectedIndex;
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}
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- (void)onChange:(UISegmentedControl *)sender
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{
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NSDictionary *event = @{
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@"target": self.reactTag,
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@"value": [self titleForSegmentAtIndex:sender.selectedSegmentIndex],
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@"selectedSegmentIndex": @(sender.selectedSegmentIndex)
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};
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[_eventDispatcher sendInputEventWithName:@"topChange" body:event];
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}
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@end
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