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JCFrame.m
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162 lines (139 loc) · 4.58 KB
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//
// JCFrame.m
// JCFrameLayout
//
// Created by abc on 17/3/27.
// Copyright © 2017年 jackcat. All rights reserved.
//
#import "JCFrame.h"
#import "UIView+JCFrame.h"
@interface JCFrame ()
/**
* 链表前驱
* e.g.
* make.left.top.jc_equal(100);
* 当前对象为top时，chainPreviousFrame为left
**/
@property (nonatomic,weak) JCFrame *chainPreviousFrame;
/**
* 给UIView设置一个key值，用于方便调试
* UIView+JCFrame中已经定义了一个，这里的冗余是因为在delloc中获取不到UIView.jc_debug_key,UIView已经被释放
**/
@property (nonatomic,copy) NSString *jc_debug_key;
@end
@implementation JCFrame
- (instancetype)initWithFrameAttribute:(JCFrameAttribute*)frameAttribute{
self = [super init];
if (self) {
self->_frameAttr = frameAttribute;
self->_multiplier = 1;
self.jc_debug_key = frameAttribute.currentView.jc_debug_key;
}
return self;
}
- (JCFrame*(^)(id))equalTo{
return ^id(id value){
//NSValue(CGFloat\CGSize\CGPoint)
//UIView
//JCFrame
/*
make.left.equal(redView);
*/
if([value isKindOfClass:NSNumber.class] //CGFloat
|| [value isKindOfClass:NSValue.class]) { //CGSize,CGPoint
self->_value = value;
}else if([value isKindOfClass:UIView.class]){
self->_hasRelateAttr = YES;
//如果传入UIView，则相对布局属性采用与本类相同的属性
self.frameAttr.relateView = (UIView*)value;
self.frameAttr.relateFrameType = self.frameAttr.currentFrameType;
}else if([value isKindOfClass:JCFrameAttribute.class]){
self->_hasRelateAttr = YES;
//如果传入JCFrame，则相对布局属性采用与本类相同的属性
self.frameAttr.relateView = ((JCFrameAttribute*)value).currentView;
self.frameAttr.relateFrameType = ((JCFrameAttribute*)value).currentFrameType;
}
JCFrame *currentFrame = self;
while (currentFrame.chainPreviousFrame) {
currentFrame = currentFrame.chainPreviousFrame;
currentFrame.equalTo(value);
}
return self;
};
}
- (JCFrame*(^)(id))jc_equalTo{
return self.equalTo;
}
- (JCFrame*(^)(id))jc_offset{
return ^id(id value){
self->_offset = value;
JCFrame *currentFrame = self;
while (currentFrame.chainPreviousFrame) {
currentFrame = currentFrame.chainPreviousFrame;
currentFrame->_offset=value;
}
return self;
};
}
- (JCFrame*(^)(CGFloat))multipliedBy{
return ^id(CGFloat value){
self->_multiplier = value;
JCFrame *currentFrame = self;
while (currentFrame.chainPreviousFrame) {
currentFrame = currentFrame.chainPreviousFrame;
currentFrame->_multiplier = value;
}
return self;
};
}
#pragma mark - support chainable syntax
- (JCFrame *)left{
return [self createJCLayoutFrame:JCFrameTypeLeft];
}
- (JCFrame *)right{
return [self createJCLayoutFrame:JCFrameTypeRight];
}
- (JCFrame *)top{
return [self createJCLayoutFrame:JCFrameTypeTop];
}
- (JCFrame *)bottom{
return [self createJCLayoutFrame:JCFrameTypeBottom];
}
- (JCFrame *)width{
return [self createJCLayoutFrame:JCFrameTypeWidth];
}
- (JCFrame *)height{
return [self createJCLayoutFrame:JCFrameTypeHeight];
}
- (JCFrame *)centerX{
return [self createJCLayoutFrame:JCFrameTypeCenterX];
}
- (JCFrame *)centerY{
return [self createJCLayoutFrame:JCFrameTypeCenterY];
}
- (JCFrame *)center{
return [self createJCLayoutFrame:JCFrameTypeCenter];
}
- (JCFrame*)size{
return [self createJCLayoutFrame:JCFrameTypeSize];
}
#pragma mark - private Method
/**
通过代理(即JCFrameMake)创建JCFrame对象
*/
- (JCFrame *)createJCLayoutFrame:(JCFrameType)frameType{
if (self.delegate && [self.delegate respondsToSelector:@selector(jcFrame:createFrameWithframeType:)]) {
JCFrame *frame = [self.delegate jcFrame:self createFrameWithframeType:frameType];
//把self设为链表前驱
frame.chainPreviousFrame = self;
return frame;
}
return nil;
}
- (NSString *)description{
return [NSString stringWithFormat:@"[JCFrame: %@,%@,%@,%@]",self.jc_debug_key,self.frameAttr.currentTypeString,self.value,(self.actived?@"actived":@"ignored")];
}
- (void)dealloc{
JCLog(@"---JCFrame dealloc %@,%@,%@,%@",self.jc_debug_key,self.frameAttr.currentTypeString,self.value,(self.actived?@"actived":@"ignored"));
}
@end