#import "ViewController.h"

#import "JWQuestion.h"

#import "NSArray+Log.h"

#define kMargin 13

@interfaceViewController ()

// 1/10

@property (weak, nonatomic) IBOutletUILabel *currenNumLabel;

//  喜剧大片

@property (weak, nonatomic) IBOutletUILabel *titleLabel;

// 专门管理答案区域的Button

@property (weak, nonatomic) IBOutletUIView *answerView;

@property (weak, nonatomic) IBOutletUIView *optionView;

@property (weak, nonatomic) IBOutletUIButton *iconBtn;

// 灰灰的遮盖

@property (strong, nonatomic) UIButton *cover;

@property (strong, nonatomic) NSArray * questionDatas;

@property(assign, nonatomic) int index;

@property (weak, nonatomic) IBOutletUIButton *nextQuestionBtn;

@end

@implementation ViewController

-(NSArray *)questionDatas

{

if (!_questionDatas) {

//        NSArray *allDatas = [NSArray arrayWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"questions" ofType:@"plist"]];

//

//        NSMutableArray *tempArr = [NSMutableArray array];

//

//        for (NSDictionary *dict in allDatas) {

//

//            JWQuestion *question = [JWQuestion questionWithDict:dict];

//            [tempArr addObject:question];

//        }

//

// 放JWQuestion对象

_questionDatas = [JWQuestionquestion];

}

return_questionDatas;

}

-(UIButton *)cover

{

if (!_cover) {

// 创建一个半透明的Button

_cover = [[UIButtonalloc]initWithFrame:self.view.bounds];

_cover.backgroundColor = [UIColorblackColor];

_cover.alpha = 0.0;

[_coveraddTarget:selfaction:@selector(bigImage:) forControlEvents:UIControlEventTouchUpInside];

[self.viewaddSubview:_cover];

self.cover = _cover;

}

return_cover;

}

- (void)viewDidLoad {

[superviewDidLoad];

self.index--;

// 进来就加载数据

[selfnextQuestion:nil];

}

// 点击“大图”

- (IBAction)bigImage:(id)sender {

//创建半透明的Button

[selfcover];

// 图片放到最上层

[self.viewbringSubviewToFront:self.iconBtn];

// 计算图片改变后的大小

CGFloat iconBtnW = self.view.bounds.size.width;

CGFloat iconBtnH = iconBtnW;

CGFloat iconBtnY = (self.view.bounds.size.height - iconBtnW) * 0.5;

// 判断现在是不是大图是大图就变小

if (0.0 == self.cover.alpha) {   // 小图

// 动画放大

[UIViewanimateWithDuration:1.0 animations:^{

self.cover.alpha = 0.5;

self.iconBtn.frame = CGRectMake(0, iconBtnY, iconBtnW, iconBtnH);

}];

}

else    // 已经是大图

{

[UIViewanimateWithDuration:1.0 animations:^{

self.iconBtn.frame = CGRectMake(107 , 108, 160, 160);

// alpha < 0.001的时候，不响应事件

self.cover.alpha = 0.0;

}];

}

}

// 点击“下一题”

- (IBAction)nextQuestion:(UIButton *)sender {

self.index ++;

// 取出数据

JWQuestion *question = self.questionDatas[self.index];

// 专门切换所有数据

[selfchangeData:question];

// 创建answer区域的按钮之前清空上次创建的按钮

[selfcreatAnswerBtnWithQuestion:question];

// 创建option区域的按钮

[selfcreatOptionBtnWithQuestion:question];

}

// 专门切换所有数据

-(void)changeData:(JWQuestion *)question

{

self.currenNumLabel.text = [NSStringstringWithFormat:@"%d/%ld",self.index + 1,self.questionDatas.count];

self.titleLabel.text = question.title;

[self.iconBtnsetImage:[UIImageimageNamed:question.icon] forState:UIControlStateNormal];

// 3> 不能点击

self.nextQuestionBtn.enabled = self.index != self.questionDatas.count-1;

}

// 创建answer区域的按钮之前清空上次创建的按钮

-(void)creatAnswerBtnWithQuestion:(JWQuestion *)question

{

for (UIButton *answerBtn inself.answerView.subviews) {

[answerBtn removeFromSuperview];

}

// 拿出答案

NSUInteger answerbtnCount = question.answer.length;

CGFloat answerBtnW = 35;

CGFloat answerBtnH = answerBtnW;

// 不论几个按钮，都在屏幕中间；左边和右边间距一样

CGFloat answerBtnStartX = (self.view.bounds.size.width - answerbtnCount * answerBtnW - (answerbtnCount - 1) * kMargin) * 0.5;

for (int i = 0 ; i < answerbtnCount; i ++) {

CGFloat answerBtnX = answerBtnStartX + (answerBtnW + kMargin) * i;

UIButton *answerBtn = [[UIButtonalloc]initWithFrame:CGRectMake(answerBtnX, 0, answerBtnW, answerBtnH)];

[answerBtn setBackgroundImage:[UIImageimageNamed:@"btn_answer"] forState:UIControlStateNormal];

[answerBtn setBackgroundImage:[UIImageimageNamed:@"btn_answer_highlighted"] forState:UIControlStateHighlighted];

[self.answerViewaddSubview:answerBtn];

}

}

// 创建option区域的按钮

-(void)creatOptionBtnWithQuestion:(JWQuestion *)question

{

// 个数== options数组的count   左边和右边间距一样

for (UIButton *optionBtn inself.optionView.subviews) {

[optionBtn removeFromSuperview];

}

NSUInteger optionBtnCount = question.options.count;

CGFloat optionBtnW = 40;

CGFloat optionBtnH = optionBtnW;

int totolCol = 7;

CGFloat optionBtnStartX = (self.view.bounds.size.width - totolCol *optionBtnW - (totolCol - 1) *kMargin) * 0.5;

for (int i = 0 ; i < optionBtnCount; i ++) {

int row = i / totolCol;

int col = i % totolCol;

CGFloat optionBtnX = optionBtnStartX + (optionBtnW + kMargin) *col;

CGFloat optionBtnY = (optionBtnH + kMargin) * row;

UIButton *optionBtn = [[UIButtonalloc]initWithFrame:CGRectMake(optionBtnX,optionBtnY , optionBtnW, optionBtnH)];

[optionBtn setTitle:question.options[i] forState:UIControlStateNormal];

[optionBtn setTitleColor:[UIColorblackColor] forState:UIControlStateNormal];

[optionBtn setBackgroundImage:[UIImageimageNamed:@"btn_option"] forState:UIControlStateNormal];

[optionBtn setBackgroundImage:[UIImageimageNamed:@"btn_option_highlighted"] forState:UIControlStateHighlighted];

[optionBtn addTarget:selfaction:@selector(optionBtnClick:) forControlEvents:UIControlEventTouchUpInside];

[self.optionViewaddSubview:optionBtn];

}

}

#warning 讲到这里了-----------

-(void)optionBtnClick:(UIButton *)optionBtn

{

// 找到answer区域第一个没有title的btn

// 把option隐藏把title赋值给answerBtn的title

optionBtn.hidden = YES;

}

@end