#import "ExampleVC5.h"

#import "JCFrameLayout.h"

#define radomColor [UIColor colorWithRed:arc4random_uniform(256)/255.0 green:arc4random_uniform(256)/255.0 blue:arc4random_uniform(256)/255.0 alpha:1]

@interface ExampleVC5 ()

@implementation ExampleVC5

- (void)viewDidLoad {

[super viewDidLoad];

self.view.backgroundColor = [UIColor whiteColor];

int column = 50;

int count = 5000;

CGFloat padding = 2;

CGFloat width = ([UIScreen mainScreen].bounds.size.width - padding * (column + 1))/column;

CGFloat height = width;

for (int idx = 0; idx<count; idx++) {

int row = idx / column;

int col = idx % column;

UIView *view = [[UIView alloc]init];

view.jc_debug_key = [NSString stringWithFormat:@"view_%zd",idx];

view.backgroundColor = radomColor;

if (row == 0 && col == 0) {

[view jc_makeLayout:^(JCFrameMake *make) {

make.left.jc_equalTo(padding);

make.top.jc_equalTo(padding + 64);

make.width.jc_equalTo(width);

make.height.jc_equalTo(height);

}];

}else{

UIView *lastView = [self.view.subviews lastObject];

if (col == 0) { //在新的一行

[view jc_makeLayout:^(JCFrameMake *make) {

make.top.equalTo(lastView.jc_bottom).jc_offset(padding);

make.left.jc_equalTo(padding);

make.width.jc_equalTo(width);

make.height.jc_equalTo(height);

}];

}else{ //同一行

[view jc_makeLayout:^(JCFrameMake *make) {

make.left.equalTo(lastView.jc_right).jc_offset(padding);

make.top.equalTo(lastView);

make.width.jc_equalTo(width);

make.height.jc_equalTo(height);

}];

}

}

[self.view addSubview:view];

}

}