#import/**
* 可复用组件.用于编写可嵌套的 xib 组件.
*
* 适用场景: 需要静态确定布局的页面内的UI元素的复用性问题.
* 使用方法: 在xib或storyboard中,将某一用于占位的view的 custom class 设为对一个的 component, 则初始化时,会自动使用此component对应的xib文件中的内容去替换对应位置.
* 注意: 对于可动态确定布局的部分,如tableView中的cell,直接自行从xib初始化即可,不必继承于 MCComponent.
*/
@interface MCComponent : UIView
@end
#import "MCComponent.h"
@implementation MCComponent
- (instancetype)initWithCoder:(NSCoder *)aDecoder
{
self = [super initWithCoder:aDecoder];
if (nil != self) {
UIView * contentView = [[[NSBundle mainBundle] loadNibNamed: NSStringFromClass([self class]) owner:self options:nil] firstObject];
contentView.translatesAutoresizingMaskIntoConstraints = NO;
self.translatesAutoresizingMaskIntoConstraints = NO;
[self addSubview: contentView];
[self addConstraint: [NSLayoutConstraint constraintWithItem: contentView attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem: self attribute:NSLayoutAttributeLeft multiplier: 1.0 constant: 0]];
[self addConstraint: [NSLayoutConstraint constraintWithItem: contentView attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem: self attribute:NSLayoutAttributeRight multiplier: 1.0 constant: 0]];
[self addConstraint: [NSLayoutConstraint constraintWithItem: contentView attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem: self attribute:NSLayoutAttributeTop multiplier: 1.0 constant: 0]];
[self addConstraint: [NSLayoutConstraint constraintWithItem: contentView attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem: self attribute:NSLayoutAttributeBottom multiplier: 1.0 constant: 0]];
}
return self;
}
/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
// Drawing code
}
*/
@end
