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GeezerVison is showing github.com — Coding-iOS/Coding_iOS/Controllers/LocalFileViewController.m at master · strogo/Coding-iOS

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//
// LocalFileViewController.m
// Coding_iOS
//
// Created by Ease on 15/9/22.
// Copyright © 2015年 Coding. All rights reserved.
//
#import <QuickLook/QuickLook.h>
#import "LocalFileViewController.h"
#import "Coding_NetAPIManager.h"
#import "WebContentManager.h"
#import "BasicPreviewItem.h"
@interface LocalFileViewController ()<QLPreviewControllerDataSource, QLPreviewControllerDelegate, UIDocumentInteractionControllerDelegate, UIWebViewDelegate>
@property (strong, nonatomic) QLPreviewController *previewController;
@property (nonatomic, strong) UIDocumentInteractionController *docInteractionController;
@property (strong, nonatomic) UIWebView *contentWebView;
@property (strong, nonatomic) UIActivityIndicatorView *activityIndicator;
@property (strong, nonatomic) NSString *fileName, *fileType;
@end
@implementation LocalFileViewController
- (void)setFileUrl:(NSURL *)fileUrl{
_fileUrl = fileUrl;
if (_fileUrl.path.length > 0) {
NSArray *valueList = [[[self.fileUrl.path componentsSeparatedByString:@"/"] lastObject] componentsSeparatedByString:@"|||"];
_fileName = valueList[0];
_fileType = [[[_fileName componentsSeparatedByString:@"."] lastObject] lowercaseString];
}
}
- (UIDocumentInteractionController *)docInteractionController{
if (_docInteractionController == nil){
_docInteractionController = [UIDocumentInteractionController interactionControllerWithURL:self.fileUrl];
}
return _docInteractionController;
}
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
self.title = self.fileName;
[self.navigationItem setRightBarButtonItem:[[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"share_Nav"] style:UIBarButtonItemStylePlain target:self action:@selector(rightNavBtnClicked)] animated:NO];
if ([self.fileType isEqualToString:@"md"]
|| [self.fileType isEqualToString:@"html"]
|| [self.fileType isEqualToString:@"txt"]
|| [self.fileType isEqualToString:@"plist"]){
[self loadWebView:self.fileUrl];
}else if ([QLPreviewController canPreviewItem:self.fileUrl]) {
[self showDiskFile:self.fileUrl];
}else {
[self.view configBlankPage:EaseBlankPageTypeFileTypeCannotSupport hasData:NO hasError:NO reloadButtonBlock:nil];
}
}
- (void)rightNavBtnClicked{
[self openByOtherApp];
}
- (void)openByOtherApp{
[self.docInteractionController presentOpenInMenuFromBarButtonItem:self.navigationItem.rightBarButtonItem animated:YES];
}
#pragma mark HandleData
- (void)loadWebView:(NSURL *)fileUrl{
self.previewController.view.hidden = YES;
if (!_contentWebView) {
//用webView显示内容
_contentWebView = [[UIWebView alloc] initWithFrame:self.view.bounds];
_contentWebView.delegate = self;
_contentWebView.backgroundColor = [UIColor clearColor];
_contentWebView.opaque = NO;
_contentWebView.scalesPageToFit = YES;
//webview加载指示
_activityIndicator = [[UIActivityIndicatorView alloc]
initWithActivityIndicatorStyle:
UIActivityIndicatorViewStyleGray];
_activityIndicator.hidesWhenStopped = YES;
[_activityIndicator setCenter:CGPointMake(CGRectGetWidth(_contentWebView.frame)/2, CGRectGetHeight(_contentWebView.frame)/2)];
[_contentWebView addSubview:_activityIndicator];
[self.view addSubview:_contentWebView];
[_contentWebView mas_makeConstraints:^(MASConstraintMaker *make) {
make.top.left.right.bottom.equalTo(self.view);
}];
}
if ([self.fileType isEqualToString:@"md"]){
NSString *mdStr = [NSString stringWithContentsOfURL:fileUrl encoding:NSUTF8StringEncoding error:nil];
[self.activityIndicator startAnimating];
[[Coding_NetAPIManager sharedManager] request_MDHtmlStr_WithMDStr:mdStr inProject:nil andBlock:^(id data, NSError *error) {
[self.activityIndicator stopAnimating];
NSString *htmlStr;
htmlStr = data? data: @"加载失败";
NSString *contentStr = [WebContentManager markdownPatternedWithContent:htmlStr];
[self.contentWebView loadHTMLString:contentStr baseURL:nil];
}];
}else if ([self.fileType isEqualToString:@"html"]){
NSString* htmlString = [NSString stringWithContentsOfURL:fileUrl encoding:NSUTF8StringEncoding error:nil];
[self.contentWebView loadHTMLString:htmlString baseURL:nil];
}else if ([self.fileType isEqualToString:@"plist"]
|| [self.fileType isEqualToString:@"txt"]){
NSData *fileData = [NSData dataWithContentsOfURL:fileUrl];
[self.contentWebView loadData:fileData MIMEType:@"text/text" textEncodingName:@"UTF-8" baseURL:fileUrl];
}else{
[self.contentWebView loadRequest:[NSURLRequest requestWithURL:fileUrl]];
}
self.contentWebView.hidden = NO;
}
- (void)showDiskFile:(NSURL *)fileUrl{
self.contentWebView.hidden = YES;
if (!self.previewController) {
QLPreviewController* preview = [[QLPreviewController alloc] init];
preview.dataSource = self;
preview.delegate = self;
if ([[[UIDevice currentDevice] systemVersion] compare:@"10.0" options:NSNumericSearch] != NSOrderedAscending) {
[self addChildViewController:preview];
[preview didMoveToParentViewController:self];
}
[self.view addSubview:preview.view];
[preview.view mas_makeConstraints:^(MASConstraintMaker *make) {
make.top.left.right.bottom.equalTo(self.view);
}];
self.previewController = preview;
}
self.previewController.view.hidden = NO;
}
#pragma mark - QLPreviewControllerDataSource
- (NSInteger)numberOfPreviewItemsInPreviewController:(QLPreviewController *)controller{
NSInteger num = 0;
if (self.fileUrl) {
num = 1;
}
return num;
}
- (id <QLPreviewItem>)previewController:(QLPreviewController *)controller previewItemAtIndex:(NSInteger)index{
return [BasicPreviewItem itemWithUrl:self.fileUrl];
}
@end
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