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This repository was archived by the owner on Jul 11, 2025. It is now read-only.

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NodeModelRootNavigationController.m

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NodeModelRootNavigationController.m

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//
// NodeModelRootNavigationController.m
// NodeModel
//
// Created by YouXianMing on 15/11/10.
// Copyright © 2015年 ZiPeiYi. All rights reserved.
//
#import "NodeModelRootNavigationController.h"
@interface NodeModelRootNavigationController ()
@property (nonatomic, strong) NodeModel *rootNodeModel;
@end
@implementation NodeModelRootNavigationController
- (void)viewDidLoad {
[super viewDidLoad];
[self setup];
}
- (instancetype)initWithRootViewController:(NodeModelViewController *)rootViewController rootNodeModel:(NodeModel *)rootNodeModel {
self = [super initWithRootViewController:rootViewController];
self.rootNodeModel = rootNodeModel;
rootViewController.nodeModel = rootNodeModel;
return self;
}
- (void)setup {
[self.navigationBar setTitleTextAttributes:@{NSFontAttributeName : [UIFont fontWithName:@"AppleSDGothicNeo-Regular" size:18.f]}];
[self.navigationBar setBackgroundImage:[self imageWithFrame:CGRectMake(0, 0, 10, 10) backgroundColor:[[UIColor cyanColor] colorWithAlphaComponent:0.45f]]
forBarPosition:UIBarPositionAny
barMetrics:UIBarMetricsDefault];
[self.navigationBar setShadowImage:[self imageWithFrame:CGRectMake(0, 0, 10, 10) backgroundColor:[UIColor clearColor]]];
}
#pragma mark - 重载父类进行改写
- (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated {
//先进入子Controller
[super pushViewController:viewController animated:animated];
//替换掉leftBarButtonItem
if (viewController.navigationItem.leftBarButtonItem == nil && [self.viewControllers count] > 1) {
viewController.navigationItem.leftBarButtonItem =[self customLeftBackButton];
}
}
- (UIBarButtonItem *)customLeftBackButton {
UIImage *image = [UIImage imageNamed:@"NodeModelViewControllerBack_black"];
UIButton *backButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, image.size.width, image.size.height)];
[backButton setBackgroundImage:image forState:UIControlStateNormal];
[backButton addTarget:self action:@selector(popSelf) forControlEvents:UIControlEventTouchUpInside];
return [[UIBarButtonItem alloc] initWithCustomView:backButton];
}
- (void)popSelf {
[self popViewControllerAnimated:YES];
}
- (UIImage *)imageWithFrame:(CGRect)frame backgroundColor:(UIColor *)backgroundColor {
UIImage *image = nil;
UIView *view = [[UIView alloc] initWithFrame:frame];
view.backgroundColor = backgroundColor;
UIGraphicsBeginImageContext(view.frame.size);
[[view layer] renderInContext:UIGraphicsGetCurrentContext()];
image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return image;
}
@end
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