//
//  KWMInformationVC.m
//  iCemarose
//
//  Created by 陈荣科 on 16/9/26.
//  Copyright © 2016年 kollway. All rights reserved.
//

#import "KWMInformationVC.h"
#import "KWMStringUtil.h"
#import "KWMInformationView.h"

@interface KWMInformationVC ()<UITextViewDelegate,KWMInformationViewDelegate>
@property (nonatomic) KWMInformationView *vInformation;
@end

@implementation KWMInformationVC{
    CGFloat tvHeight;
    UIColor *color;
}

+(NSString *)kwmTag{
    return @"KWMInformationVC";
}

- (void)viewWillAppear:(BOOL)animated{
    [super viewWillAppear:animated];
    [self.navigationController setNavigationBarHidden:NO];
    [self initHeaderView];
}
- (void)viewWillDisappear:(BOOL)animated{
    [super viewWillDisappear:animated];
    [_vInformation removeFromSuperview];
}
- (void) viewDidAppear:(BOOL)animated{
    [super viewDidAppear:animated];
    self.tvInformation.scrollEnabled = YES;
}
- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    [self setAutomaticallyAdjustsScrollViewInsets:NO];
    self.title = _titleStr;
    [self initView];
}

- (void)initHeaderView{
    //添加頭部header
    _vInformation = [[KWMInformationView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 64)];
    _vInformation.delegate = self;
    _vInformation.lbTitle.text = _titleStr;
    
    [self.view addSubview:_vInformation];
}

- (void) initView{
    color = [UIColor colorWithRed:244.0/255 green:245.0/255 blue:247.0/255 alpha:1];
    _vBackground.backgroundColor = color;
    _tvInformation.backgroundColor = color;
    _vBottom.backgroundColor = color;
    _tvInformation.editable = NO;
    _tvInformation.showsHorizontalScrollIndicator = NO;
    
    //信息详情
    CGSize size = CGSizeMake(UI_SCREEN_WIDTH - 56, 0);
    NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
    paragraphStyle.lineSpacing = 20;// 字体的行间距
    
    NSDictionary *attributes = @{
                                 NSFontAttributeName:[UIFont systemFontOfSize:15],
                                 NSParagraphStyleAttributeName:paragraphStyle
                                 };
    
    _tvInformation.attributedText = [[NSAttributedString alloc] initWithString:@"输入你的内容" attributes:attributes];
    
    //字体高度
   tvHeight = [KWMStringUtil boundingRectWithSize:size text:_inforStr testSize:15].height;
    tvHeight = tvHeight - UI_SCREEN_HEITHT + 162;
    _tvInformation.text = _inforStr;
    _lbTitle.text = _inforTitleStr;
    _tvInformation.delegate = self;
    //底部渐变
    CAGradientLayer *gradientLy = [self shadowAsInverse];
    _vBottom.layer.mask = gradientLy;
}

- (CAGradientLayer *)shadowAsInverse{
    CAGradientLayer *newShadow = [[CAGradientLayer alloc] init];
    CGRect newShadowFrame = CGRectMake(0, 0, UI_SCREEN_WIDTH,100 );
    newShadow.frame = newShadowFrame;
    //添加渐变的颜色组合（颜色透明度的改变）
    newShadow.colors = [NSArray arrayWithObjects:
                        (id)[[color colorWithAlphaComponent:0] CGColor] ,
                        (id)[[color colorWithAlphaComponent:0.1] CGColor],
                        (id)[[color colorWithAlphaComponent:0.5] CGColor],
                        (id)[[color colorWithAlphaComponent:0.7] CGColor],
                        (id)[[color colorWithAlphaComponent:0.9] CGColor],
                        nil];
    return newShadow;
}

#pragma mark -- KWMInformationViewDelegate
- (void)kwm_backToLastVC{
    [self.navigationController popViewControllerAnimated:YES];
}

@end