//
// KWMBlogDetailVC.m
// iCemarose
//
// Created by 陈荣科 on 2016/10/28.
// Copyright © 2016年 kollway. All rights reserved.
//
#import "KWMBlogDetailVC.h"
@interface KWMBlogDetailVC ()<UIWebViewDelegate>
@end
@implementation KWMBlogDetailVC
+ (NSString *)kwmTag{
return @"KWMBlogDetailVC";
}
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view
if(!self.title) self.title = @"正文";
self.automaticallyAdjustsScrollViewInsets = NO;
if (!self.handle) {
[self initData];
}else{
[self requestData];
}
}
- (void) requestData {
[self showLoading];
void(^cacheCallback)(id) = ^(id result) {
[self hideLoading];
if (self.type == KWMContentTypePage) {
self.article = [[result pages] firstObject];
}else{
self.article = [[result blogs] firstObject];
}
[self initData];
};
void(^success)(NSURLSessionDataTask *,id) = ^(NSURLSessionDataTask *task, id result) {
[self hideLoading];
if (self.type == KWMContentTypePage) {
self.article = [[result pages] firstObject];
}else{
self.article = [[result blogs] firstObject];
}
[self initData];
};
void(^failure)(NSURLSessionDataTask *,NSError *) = ^(NSURLSessionDataTask *task, NSError *error) {
[self showError:error];
NSLog(@"error:%@",error);
self.view.hidden = NO;
};
id param = @{
@"handle":self.handle
};
if (self.type == KWMContentTypePage) {
[self.api getAllPage:param success:success failure:failure];
}else{
[self.api getAllBlog:param cacheCallback:nil success:success failure:failure];
}
}
- (void) initData {
self.flagImg.hidden = NO;
self.wbArticle.delegate = self;
self.wbArticle.scrollView.scrollEnabled = NO;
self.lbTitle.text = _article.title;
self.publishTime.text = [self returnTimeStr:_article.published_at];
self.tbvArticle.backgroundColor = [UIColor clearColor];
self.tbvArticle.separatorStyle = UITableViewCellSeparatorStyleNone;
[self initWebView];
}
//2016-08-10T03:04:16-04:00
//初始化 时间格式 2016-10-28 09:32
- (NSString *)returnTimeStr:(NSString *)timeStr{
timeStr = [timeStr substringWithRange:NSMakeRange(0, timeStr.length-6)];
NSInteger fromMark=0,toMark=0;
for (int i = 0; i < timeStr.length; ++i) {
unichar aChar = [timeStr characterAtIndex:i];
NSString *aStr = [NSString stringWithFormat:@"%c",aChar];
if ([aStr isEqualToString:@"T"]) {
fromMark= i;
}
if ([aStr isEqualToString:@":"]) {
toMark = i;
break;
}
}
if (fromMark < toMark) {
NSString *tempStr = [timeStr substringWithRange:NSMakeRange(fromMark, toMark-fromMark+1)];
timeStr = [timeStr stringByReplacingOccurrencesOfString:tempStr withString:@" "];
}
return timeStr;
}
- (void)initWebView{
NSString *htmlString = [NSString stringWithFormat:@"%@",_article.body_html];
NSString *searchStr = @"src=\"";
NSString *replaceStr = @"src=\"https:";
htmlString = [_article.body_html stringByReplacingOccurrencesOfString:searchStr withString:replaceStr];
NSString *BookStr = [NSString stringWithFormat:@"<html> \n"
"<head> \n"
"<style type=\"text/css\"> \n"
"body {margin:20;marginTop:11;font-size: %d;color:#4C5966}\n"
"</style> \n"
"</head> \n"
"<body>%@</body> \n"
"</html>",18,htmlString];
[self.wbArticle loadHTMLString:BookStr baseURL:nil];
}
- (void)viewWillAppear:(BOOL)animated{
[super viewWillAppear:animated];
[self.navigationController setNavigationBarHidden:NO];
}
- (void)webViewDidFinishLoad:(UIWebView *)webView{
CGFloat t = UI_SCREEN_WIDTH - 40;
NSString *js = [NSString stringWithFormat:@"var script = document.createElement('script');"
"script.type = 'text/javascript';"
"script.text = \"function ResizeImages() { "
"var myimg,oldwidth;"
"var maxwidth = %@;" // UIWebView中显示的图片宽度
"for(i=0;i <document.images.length;i++){"
"myimg = document.images[i];"
"if(myimg.width > maxwidth){"//大于屏幕宽度减去边距时缩小
"oldwidth = myimg.width;"
"myimg.width = maxwidth;"
"}"
"}"
"}\";"
"document.getElementsByTagName('head')[0].appendChild(script);",@(t).stringValue];
[webView stringByEvaluatingJavaScriptFromString:js];
[webView stringByEvaluatingJavaScriptFromString:@"ResizeImages();"];
[self getWebViewHeight];//根据网页内容设置webView高度
}
- (void)getWebViewHeight{
//获取到webview的高度
CGFloat height = [[self.wbArticle stringByEvaluatingJavaScriptFromString:@"document.body.offsetHeight"] floatValue] +10;
//10是网页的margin
self.wbArticle.frame = CGRectMake(self.wbArticle.frame.origin.x,self.wbArticle.frame.origin.y, UI_SCREEN_WIDTH, height);
height = height + 150;//加上本来的高度
self.vHeader.frame = CGRectMake(0, 0, UI_SCREEN_WIDTH, height);
self.tbvArticle.tableHeaderView = self.vHeader;
self.tbvArticle.tableHeaderView.frame = CGRectMake(0, 0, UI_SCREEN_WIDTH, height);
[self.tbvArticle reloadData];
}
@end