erpsuiteios/common/Functions/PDF+Web/PDFViewController.m

//
//  PDFViewController.m
//  RedAnt ERP Mobile
//
//  Created by Ray on 14-8-7.
//  Copyright (c) 2014年 United Software Applications, Inc. All rights reserved.
//

#import "PDFViewController.h"
#import "RAUtils.h"
#import "const.h"
@interface PDFViewController ()

@end

@implementation PDFViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    UIRefreshControl *ref = [[UIRefreshControl alloc]init];
    ref.tag = 200 ;
    ref.attributedTitle = [[NSAttributedString alloc]initWithString:@"drag to refresh"];
    ref.tintColor = [UIColor colorWithRed:0.10 green:0.68 blue:0.94 alpha:0.7];
    //    ref.hidden = true;
    [ref addTarget:self action:@selector(changeCell) forControlEvents:UIControlEventValueChanged];
    [self.webView.scrollView addSubview:ref];
    
    
    self.webView.dataDetectorTypes=UIDataDetectorTypeAll;
    
    
    
    UIBarButtonItem *closeButton = [[UIBarButtonItem alloc] initWithImage:[[UIImage imageNamed:@"back"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]
                                                                    style:UIBarButtonItemStylePlain
                                                                   target:self
                                                                   action:@selector( onBackClick:)];
    //[[UIBarButtonItem alloc] initWithTitle:NSLocalizedString(@"Close", nil) style:UIBarButtonItemStylePlain target:self action:@selector(onCloseClick:)];
    //    closeButton.title = @"Close";
    
    self.navigationItem.leftBarButtonItem = closeButton;

    
    
    
    self.btnshare = [[UIBarButtonItem alloc] initWithImage:[[UIImage imageNamed:@"share"] imageWithRenderingMode:UIImageRenderingModeAutomatic]
                                                    style:UIBarButtonItemStylePlain
                                                   target:self
                                                   action:@selector(onActionClick:)];//[[UIBarButtonItem alloc] initWithTitle:NSLocalizedString(@"Edit", nil) style:UIBarButtonItemStylePlain target:self action:@selector(onOpenOrderClick:)];
    
    self.btnshare.tintColor = UIColorFromRGB(0x996633);
    
    self.btnemail =[[UIBarButtonItem alloc] initWithImage:[[UIImage imageNamed:@"mail"] imageWithRenderingMode:UIImageRenderingModeAutomatic]
                                                     style:UIBarButtonItemStylePlain
                                                    target:self
                                                    action:@selector(onEmailClick:)];// [[UIBarButtonItem alloc] initWithTitle:NSLocalizedString(@"Commit", nil) style:UIBarButtonItemStylePlain target:self action:@selector(onCommitOrderClick:)];
    
    self.btnemail.tintColor = UIColorFromRGB(0x996633);
    
    // self.btnSend = [[UIBarButtonItem alloc] initWithTitle:NSLocalizedString(@"Email", nil) style:UIBarButtonItemStylePlain target:self action:@selector(onSendMailClick:)];
    
    
    
    self.btnsave = [[UIBarButtonItem alloc] initWithImage:[[UIImage imageNamed:@"save"] imageWithRenderingMode:UIImageRenderingModeAutomatic]
                                                       style:UIBarButtonItemStylePlain
                                                      target:self
                                                      action:@selector(onSaveClick:)];
    self.btnsave.tintColor = UIColorFromRGB(0x996633);
    
    
    UIBarButtonItem *fixedItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];
    fixedItem.width = 20.0f;
     NSMutableArray * items = [[NSMutableArray alloc]init];
    [items addObject:self.btnshare];
    [items addObject:fixedItem];
    [items addObject:self.btnemail];
    
    if(self.canSave)
    {
    [items addObject:fixedItem];
    [items addObject:self.btnsave];
    }
    self.navigationItem.rightBarButtonItems=items;
    
    self.btnshare.enabled =false;
    
    
    self.btnemail.enabled =false;
    self.btnsave.enabled =false;
    
    
//   self.url=@"http://192.168.1.3:8080/npd/test.pdf";
//    NSURL* url = [NSURL URLWithString:self.url];
//    
//    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:[NSURL URLWithString:self.url]        cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:2000];
//    
//    
//    [self.webView loadRequest:request];
    
    
    [self loadcontent];
}
- (void)onBackClick:(UIButton *)sender {
    
    
    [self.navigationController popViewControllerAnimated:FALSE];
}
-(void)ReloadData
{
    
    //    Count ++ ;
    //    [mytabelview reloadData];
    UIRefreshControl *reF = (UIRefreshControl *)[self.view viewWithTag:200];
    
    [reF endRefreshing];
    [self loadcontent];

    
}
-(void) loadcontent
{
    self.mum.hidden=false;
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
        
        
        NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:[NSURL URLWithString:self.url]        cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:60*5];
        
        //设置请求方式为get
        
        [request setHTTPMethod:@"GET"];
        
        //添加用户会话id
        
        [request addValue:@"text/html" forHTTPHeaderField:@"Content-Type"];
        
        //连接发送请求
        
        
        NSHTTPURLResponse* urlResponse = nil;
        
        NSError *error = [[NSError alloc] init];
        
        self.content= [NSURLConnection sendSynchronousRequest:request returningResponse:&urlResponse error:&error];
        
        self.filename = [urlResponse suggestedFilename];
        
        
        dispatch_async(dispatch_get_main_queue(), ^{
            
            self.navigationItem.title = self.save_name;
            UIRefreshControl *reF = (UIRefreshControl *)[self.view viewWithTag:200];
          //  self.content=nil;
            if(self.content!=nil&&self.content.length>0)
            {
                [reF removeFromSuperview];
                
                
               // NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
                NSString *path = NSTemporaryDirectory();
                NSString *filePath = [path stringByAppendingPathComponent:self.filename];
                //    NSError *error = [[NSError alloc] init];
                //    BOOL bo = [[NSFileManager defaultManager] createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:&error];
                //    NSAssert(bo,@"创建目录失败");
                [self.content writeToFile:filePath atomically:YES];
                
                
                self.btnshare.enabled =true;
                
                
                self.btnemail.enabled =true;
                self.btnsave.enabled =true;
                
                if(self.onLoadSuccess)
                    self.onLoadSuccess(self.url);
 //               int a=0;
            }
            else
            {
                [RAUtils message_alert:nil  title:@"Open PDF Failed" controller:self];
//                self.content = [self.url dataUsingEncoding:NSUTF8StringEncoding];
            }
            
            ;
//            NSLog(@"%@",[[NSString alloc] initWithData:self.content encoding:NSASCIIStringEncoding]);
            //
            
            
            [self.webView loadData:self.content MIMEType:urlResponse.MIMEType textEncodingName:nil baseURL:nil];
            
            
            
            
        });
    });
    
    
    
    
}
-(void)changeCell
{
    UIRefreshControl *reF = (UIRefreshControl *)[self.view viewWithTag:200];
    reF.attributedTitle = [[NSAttributedString alloc]initWithString:@"refreshing"];
    if ([self respondsToSelector:@selector(ReloadData)])
    [self performSelector:@selector(ReloadData) withObject:nil afterDelay:1];
//    DebugLog(@"refresh!!!!!!!!");
    
}
- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

- (IBAction)onActionClick:(id)sender {
   
    //NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *path = NSTemporaryDirectory();
    NSString* filename =self.filename;
    
    NSString *filePath = [path stringByAppendingPathComponent:filename];
    
    

    
    
  
    

    [self openFile:filePath];
}
- (IBAction)onSaveClick:(id)sender {
    
    //UIAlertControllerStyle两种类型UIAlertControllerStyleAlert类似UIAlertView
    //UIAlertControllerStyleActionSheet类似UIActionSheet
    UIAlertController *alertControl = [UIAlertController alertControllerWithTitle:@"Save pdf" message:nil preferredStyle:UIAlertControllerStyleAlert];
    //block代码块取代了delegate
  
    
    [alertControl addTextFieldWithConfigurationHandler:^(UITextField *textField) {
        textField.text = self.save_name;
       
        
    }];
    
    UIAlertAction *actionOne = [UIAlertAction actionWithTitle:@"Save" style:UIAlertActionStyleDestructive handler:^(UIAlertAction *action) {
        
        UITextField *name = alertControl.textFields.firstObject;
        if(name.text.length==0)
        {
        [RAUtils message_alert:@"Cannot save without name. Save canceled." title:@"Name is missing" controller:self];
        }
        else
        {
            self.save_name = name.text;
                            self.btnsave.enabled =false;
          //  NSMutableDictionary * info =
            if(self.onSavePDF)
                self.onSavePDF(self.save_name,self.filename);
        }
    }];

    UIAlertAction *alertthree = [UIAlertAction actionWithTitle:@"Cancel" style:UIAlertActionStyleCancel handler:^(UIAlertAction *action) {
        NSLog(@"Cancel");
    }];
    [alertControl addAction:actionOne];

    [alertControl addAction:alertthree];
    
    //UIAlertControllerStyle类型为UIAlertControllerStyleAlert可以添加addTextFieldWithConfigurationHandler:^(UITextField *textField)

    
    [self presentViewController:alertControl animated:YES completion:nil];
    
    
    
    
}

- (IBAction)onEmailClick:(id)sender {
    //NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *path = NSTemporaryDirectory();
    NSString* filename =self.filename;
    
    NSString *filePath = [path stringByAppendingPathComponent:filename];
    
    
    
    
    
    MFMailComposeViewController *mc = [[MFMailComposeViewController alloc] init];
    mc.mailComposeDelegate = self;
    [mc setSubject:self.mail_subject];
    
    
    [mc setToRecipients:self.mail_to];
    
    
    if(self.mail_content==nil)
        self.mail_content=@"";
    
    NSString* htmlbody = [NSString stringWithFormat:@"<html><p>%@</p></html>",self.mail_content];
    
    [mc setMessageBody:htmlbody
                isHTML:YES];
    

    
    NSData *data = [NSData dataWithContentsOfFile:filePath];
    
    if(self.attachment_name.length>0)
        filename = self.attachment_name;
    [mc addAttachmentData:data mimeType:@"application/pdf" fileName:filename];
    [self presentModalViewController:mc animated:YES];
    
    return;
}


-(void)openFile: (NSString *) file_url  {
    
    NSURL *file_URL = [NSURL fileURLWithPath:file_url];
    
    if (file_URL != nil) {
        if (self.fileInteractionController == nil) {
            //_fileInteractionController = [[UIDocumentInteractionController alloc] init];
            
            
            _fileInteractionController = [UIDocumentInteractionController interactionControllerWithURL:file_URL];
            _fileInteractionController.delegate = self;
            //  [_fileInteractionController retain];//不适用ARC,记得RETAIN 使用ARC注释这一行
        }
        else
        {
            self.fileInteractionController.URL = file_URL;
        }
        
        // [self.fileInteractionController presentOpenInMenuFromRect:self.view.frame inView:self.view animated:YES];
        
        
        [self.fileInteractionController setName:self.mail_subject];
        
//        [self.fileInteractionController setAnnotation:<#(id _Nullable)#>;
        
        [self.fileInteractionController presentOptionsMenuFromBarButtonItem:self.btnshare animated:YES];
       // [self.fileInteractionController presentOptionsMenuFromRect:self.view.frame inView:self.view animated:YES];
        //        [self.fileInteractionController  presentPreviewAnimated:YES];
        
    }
}
- (void) sendEmail:(NSString *)to cc:(NSString*)cc subject:(NSString*)subject body:(NSString*)body
{
    NSString* str = [NSString stringWithFormat:@"mailto:%@?cc=%@&subject=%@&body=%@",
                     to, cc, subject, body];
    str = [str stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
    
    [[UIApplication sharedApplication] openURL:[NSURL URLWithString:str]];
    
    
}

#pragma mark methods for the UIDocumentInteractionControllerDelegate

- (void)documentInteractionControllerDidDismissOptionsMenu:(UIDocumentInteractionController *)controller
{
//    if (controller == self.fileInteractionController) {
//        self.fileInteractionController = nil;
//    }
}

- (void)previewDocumentWithURL:(NSURL*)url
{
    UIDocumentInteractionController* preview = [UIDocumentInteractionController interactionControllerWithURL:url];
    preview.delegate = self;
    [preview presentPreviewAnimated:YES];
    
}

- (void)documentInteractionControllerDidEndPreview:(UIDocumentInteractionController *)controller
{
    
}

- (UIViewController *)documentInteractionControllerViewControllerForPreview:(UIDocumentInteractionController *)controller{
    return self;
}

- (CGRect)documentInteractionControllerRectForPreview:(UIDocumentInteractionController *)controller{
    return self.view.frame;
}

- (UIView *)documentInteractionControllerViewForPreview:(UIDocumentInteractionController *)controller{
    return self.view;
}
- (void)documentInteractionController:(UIDocumentInteractionController *)controller willBeginSendingToApplication:(nullable NSString *)application	 // bundle ID
{
    
}


#pragma mark - web view delegate
- (void)webViewDidFinishLoad:(UIWebView *)webView
{
    self.mum.hidden=true;
    
    
}

#pragma mark -MFMailComposeViewControllerDelegate delegate

- (void)mailComposeController:(MFMailComposeViewController*)controller
          didFinishWithResult:(MFMailComposeResult)result
                        error:(NSError*)error {
    switch (result)
    {
        case MFMailComposeResultCancelled:
            NSLog(@"Mail send canceled...");
            break;
        case MFMailComposeResultSaved:
            NSLog(@"Mail saved...");
            break;
        case MFMailComposeResultSent:
            NSLog(@"Mail sent...");
            break;
        case MFMailComposeResultFailed:
            NSLog(@"Mail send errored: %@...", [error localizedDescription]);
            break;
        default:
            break;
    }
    [self dismissModalViewControllerAnimated:YES];
}
/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end