mirror of
https://github.com/status-im/react-native.git
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48af214216
Summary: Our events all follow a common pattern, so there's no good reason why the configuration should be so verbose. This diff eliminates that redundancy, and gives us the freedom to simplify the underlying mechanism in future without further churning the call sites.
59 lines
1.5 KiB
Objective-C
59 lines
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:@"change" body:event];
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}
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@end
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