RCTNavItem.m
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/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import "RCTNavItem.h"
@implementation RCTNavItem
@synthesize backButtonItem = _backButtonItem;
@synthesize leftButtonItem = _leftButtonItem;
@synthesize rightButtonItem = _rightButtonItem;
- (UIImageView *)titleImageView
{
if (_titleImage) {
return [[UIImageView alloc] initWithImage:_titleImage];
} else {
return nil;
}
}
-(instancetype)init
{
if (self = [super init]) {
_leftButtonSystemIcon = NSNotFound;
_rightButtonSystemIcon = NSNotFound;
}
return self;
}
- (void)setBackButtonTitle:(NSString *)backButtonTitle
{
_backButtonTitle = backButtonTitle;
_backButtonItem = nil;
}
- (void)setBackButtonIcon:(UIImage *)backButtonIcon
{
_backButtonIcon = backButtonIcon;
_backButtonItem = nil;
}
- (UIBarButtonItem *)backButtonItem
{
if (!_backButtonItem) {
if (_backButtonIcon) {
_backButtonItem = [[UIBarButtonItem alloc] initWithImage:_backButtonIcon
style:UIBarButtonItemStylePlain
target:nil
action:nil];
} else if (_backButtonTitle.length) {
_backButtonItem = [[UIBarButtonItem alloc] initWithTitle:_backButtonTitle
style:UIBarButtonItemStylePlain
target:nil
action:nil];
} else {
_backButtonItem = nil;
}
}
return _backButtonItem;
}
- (void)setLeftButtonTitle:(NSString *)leftButtonTitle
{
_leftButtonTitle = leftButtonTitle;
_leftButtonItem = nil;
}
- (void)setLeftButtonIcon:(UIImage *)leftButtonIcon
{
_leftButtonIcon = leftButtonIcon;
_leftButtonItem = nil;
}
- (void)setLeftButtonSystemIcon:(UIBarButtonSystemItem)leftButtonSystemIcon
{
_leftButtonSystemIcon = leftButtonSystemIcon;
_leftButtonItem = nil;
}
- (UIBarButtonItem *)leftButtonItem
{
if (!_leftButtonItem) {
if (_leftButtonIcon) {
_leftButtonItem =
[[UIBarButtonItem alloc] initWithImage:_leftButtonIcon
style:UIBarButtonItemStylePlain
target:self
action:@selector(handleLeftButtonPress)];
} else if (_leftButtonTitle.length) {
_leftButtonItem =
[[UIBarButtonItem alloc] initWithTitle:_leftButtonTitle
style:UIBarButtonItemStylePlain
target:self
action:@selector(handleLeftButtonPress)];
} else if (_leftButtonSystemIcon != NSNotFound) {
_leftButtonItem =
[[UIBarButtonItem alloc] initWithBarButtonSystemItem:_leftButtonSystemIcon
target:self
action:@selector(handleLeftButtonPress)];
} else {
_leftButtonItem = nil;
}
}
return _leftButtonItem;
}
- (void)handleLeftButtonPress
{
if (_onLeftButtonPress) {
_onLeftButtonPress(nil);
}
}
- (void)setRightButtonTitle:(NSString *)rightButtonTitle
{
_rightButtonTitle = rightButtonTitle;
_rightButtonItem = nil;
}
- (void)setRightButtonIcon:(UIImage *)rightButtonIcon
{
_rightButtonIcon = rightButtonIcon;
_rightButtonItem = nil;
}
- (void)setRightButtonSystemIcon:(UIBarButtonSystemItem)rightButtonSystemIcon
{
_rightButtonSystemIcon = rightButtonSystemIcon;
_rightButtonItem = nil;
}
- (UIBarButtonItem *)rightButtonItem
{
if (!_rightButtonItem) {
if (_rightButtonIcon) {
_rightButtonItem =
[[UIBarButtonItem alloc] initWithImage:_rightButtonIcon
style:UIBarButtonItemStylePlain
target:self
action:@selector(handleRightButtonPress)];
} else if (_rightButtonTitle.length) {
_rightButtonItem =
[[UIBarButtonItem alloc] initWithTitle:_rightButtonTitle
style:UIBarButtonItemStylePlain
target:self
action:@selector(handleRightButtonPress)];
} else if (_rightButtonSystemIcon != NSNotFound) {
_rightButtonItem =
[[UIBarButtonItem alloc] initWithBarButtonSystemItem:_rightButtonSystemIcon
target:self
action:@selector(handleRightButtonPress)];
} else {
_rightButtonItem = nil;
}
}
return _rightButtonItem;
}
- (void)handleRightButtonPress
{
if (_onRightButtonPress) {
_onRightButtonPress(nil);
}
}
@end