react-native/React/Views/RCTSegmentedControl.m

58 lines
1.4 KiB
Objective-C

//
// RCTSegmentedControl.m
// React
//
// Created by Clay Allsopp on 3/31/15.
// Copyright (c) 2015 Facebook. All rights reserved.
//
#import "RCTSegmentedControl.h"
#import "RCTConvert.h"
#import "RCTEventDispatcher.h"
#import "UIView+React.h"
@implementation RCTSegmentedControl
{
RCTEventDispatcher *_eventDispatcher;
}
- (id)initWithEventDispatcher:(RCTEventDispatcher *)eventDispatcher
{
if ((self = [super initWithFrame:CGRectZero])) {
_eventDispatcher = eventDispatcher;
_selectedIndex = self.selectedSegmentIndex;
[self addTarget:self action:@selector(onChange:)
forControlEvents:UIControlEventValueChanged];
}
return self;
}
- (void)setValues:(NSArray *)values
{
_values = [values copy];
[self removeAllSegments];
for (NSString *value in values) {
[self insertSegmentWithTitle:value atIndex:self.numberOfSegments animated:NO];
}
super.selectedSegmentIndex = _selectedIndex;
}
- (void)setSelectedIndex:(NSInteger)selectedIndex
{
_selectedIndex = selectedIndex;
super.selectedSegmentIndex = selectedIndex;
}
- (void)onChange:(UISegmentedControl *)sender
{
NSDictionary *event = @{
@"target": self.reactTag,
@"value": [self titleForSegmentAtIndex:sender.selectedSegmentIndex],
@"selectedSegmentIndex": @(sender.selectedSegmentIndex)
};
[_eventDispatcher sendInputEventWithName:@"topChange" body:event];
}
@end