erpsuiteios/Redant Drivers/Apex And Drivers/Login/LoginViewController.m

//
//  LoginViewController.m
//  Apex Mobile
//
//  Created by Ray on 25/01/2018.
//  Copyright © 2018 United Software Applications, Inc. All rights reserved.
//

#import "LoginViewController.h"
#import "RetrievePasswordViewController.h"

@interface LoginViewController ()
@property (strong, nonatomic) IBOutlet UILabel *verLabel;

@end

@implementation LoginViewController

+ (instancetype)viewControllerFromStoryboard {
    LoginViewController *loginVC = [[UIStoryboard storyboardWithName:@"Login" bundle:nil] instantiateViewControllerWithIdentifier:[LoginViewController storyboardID]];
    return loginVC;
}

- (void)clear {
    self.editPassword.text = nil;
    self.editUser.text = nil;
}

- (IBAction)RetrieveButtonClick:(UIButton *)sender {
//    [self performSegueWithIdentifier:@"RETRIEVE" sender:self];
    
    RetrievePasswordViewController *vc = [self.storyboard instantiateViewControllerWithIdentifier:@"RetrievePasswordViewController"];
    vc.preferredContentSize = CGSizeMake(330, 160);
    [self presentViewController:vc animated:YES completion:nil];
    
}


- (IBAction)LoginButtonClick:(UIButton *)sender {
    
    
    
    NSString*password= self.editPassword.text;
    NSString*user = self.editUser.text;
    if(user.length==0||password.length==0)
    {
        
        UIAlertController *alertVC = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"alert_title_error", @"Error") message:NSLocalizedString(@"alert_msg_upcanotempty", @"User&Password can not be empty!") preferredStyle:UIAlertControllerStyleAlert];
        UIAlertAction *action = [UIAlertAction actionWithTitle:NSLocalizedString(@"ok", @"Ok") style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
            
        }];
        
        [alertVC addAction:action];
        
        [self presentViewController:alertVC animated:YES completion:nil];
        
        
        return;
    }
    DebugLog(@"Login...   user= %@ ; password= %@",self.editUser.text,self.editPassword.text);
    
    
    self.loginButton.enabled = false;
    self.mum.hidden=false;
    NSString *request_user = self.editUser.text.lowercaseString;
    NSString *request_password = self.editPassword.text;
    
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
        
        
        NSDictionary *loginInfo =[RADataProvider requestLogin:request_user password:request_password];
        
        int ret = [[loginInfo objectForKey:@"result"] intValue];
        
        dispatch_async(dispatch_get_main_queue(), ^{
            self.mum.hidden=true;
            self.loginButton.enabled = true;
            
            if (ret==RESULT_TRUE)
            {
                if(self.loginSuccessful)
                    self.loginSuccessful(self.editUser.text.lowercaseString,self.editPassword.text);
            }
            else
            {
                NSString* message = nil;
                switch (ret) {
                    case RESULT_NET_NOTAVAILABLE:
                        message = NSLocalizedString(@"net_not_available", @"Network not available, please check.");
                        break;
                    case RESULT_NET_ERROR:
                        message = NSLocalizedString(@"net_error", @"Network error, can not access server.");
                        break;
                    case RESULT_FALSE:
                        message = NSLocalizedString(@"auth_error", @"Can not login, user or password may not correct.");
                        break;
                    case RESULT_VER_LOW:
                        message = NSLocalizedString(@"ver_low", @"Current App version is too low, please update.");
                        break;
                        
                    default:{
                        message = [loginInfo objectForKey:@"err_msg"];
                        if (message.length == 0) {
                            message=[NSString stringWithFormat:@"Failed to login code %d",ret];
                        }
                    }
                        break;
                }
                
                UIAlertController *alertVC = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"alert_title_error", @"Error") message:message preferredStyle:UIAlertControllerStyleAlert];
                UIAlertAction *action = [UIAlertAction actionWithTitle:NSLocalizedString(@"ok", @"Ok") style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
                    
                }];
                
                [alertVC addAction:action];
                
                [self presentViewController:alertVC animated:YES completion:nil];
            }
            
            
            
        });
    });
    
    
    
}

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    [[self view] endEditing:YES];
}

-(void)checkboxClick:(UIButton *)btn
{
    btn.selected = !btn.selected;
}
//- (IBAction)onRetrievePassword:(UIButton *)sender {
//}

- (void)viewDidLoad
{
    [super viewDidLoad];
    [self.checkSavePassword setImage:[UIImage imageNamed:@"unchecked_32.png"] forState:UIControlStateNormal];
    [self.checkSavePassword setImage:[UIImage imageNamed:@"checked_32.png"] forState:UIControlStateSelected];
    
    
    self.editUser.delegate = self;
    self.editPassword.delegate = self;
    self.resize = false;
    self.ioffset = 0;
    
    
    self.title=@"Login";
    
    
    [self.checkSavePassword addTarget:self action:@selector(checkboxClick:) forControlEvents:UIControlEventTouchUpInside];
    //    [self.view addSubview:checkSavePassword];
    // Do any additional setup after loading the view, typically from a nib.
    
    self.mum.backgroundColor = [UIColor clearColor];
    
    NSDictionary* infoDict =[[NSBundle mainBundle] infoDictionary];
    
    NSString* shortNum =[infoDict objectForKey:@"CFBundleShortVersionString"];
    NSString* versionNum =[infoDict objectForKey:@"CFBundleVersion"];
    versionNum = [NSString stringWithFormat:@"ver:%@.A%@",shortNum,versionNum];
    
    self.verLabel.text = versionNum;
}

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    
    NSString * user = RASingleton.sharedInstance.savedUser;
    NSString *password = RASingleton.sharedInstance.savedPassword;
    
    if(user.length>0&&password.length>0)
    {
        self.editUser.text=user;
        self.editPassword.text=password;
        self.checkSavePassword.selected=true;
        
    }
    
    [self clearNavigationbar];
    [self configureNavigationBar];
}

- (void)clearNavigationbar {
    self.tabBarController.navigationItem.leftBarButtonItem = nil;
    self.tabBarController.navigationItem.leftBarButtonItems = nil;
    self.tabBarController.navigationItem.titleView = nil;
    self.tabBarController.navigationItem.title = nil;
    self.tabBarController.navigationItem.rightBarButtonItem = nil;
    self.tabBarController.navigationItem.rightBarButtonItems = nil;
}

- (void)configureNavigationBar {
    
    if (self.navigationController && !self.navigationController.isNavigationBarHidden) {
        
        UIImage *logo = [[UIImage imageNamed:@"apexlogo-2"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
        UIBarButtonItem *logoItem = [[UIBarButtonItem alloc] initWithImage:logo landscapeImagePhone:logo style:UIBarButtonItemStylePlain target:nil action:nil];
        logoItem.enabled = NO;
        self.tabBarController.navigationItem.leftBarButtonItem = logoItem;
    }
}


- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

-(BOOL)textFieldShouldReturn:(UITextField *)textField {
    
    [textField resignFirstResponder];
    return YES;
}
-(void) textFieldDidBeginEditing:(UITextField *)textField
{
    //    CGRect textFrame =  self.loginButton.frame;
    int loginpos = self.loginButton.frame.origin.y+self.loginButton.frame.size.height;
    self.ioffset = 216 -(self.view.frame.size.height-loginpos);
    if(self.ioffset>0)
    {
        self.resize = true;
        NSTimeInterval animationDuration = 0.30f;
        CGRect frame = self.view.frame;
        frame.origin.y -=self.ioffset;//view的Y轴上移
        frame.size.height +=self.ioffset; //View的高度增加
        self.view.frame = frame;
        [UIView beginAnimations:@"ResizeView" context:nil];
        [UIView setAnimationDuration:animationDuration];
        self.view.frame = frame;
        [UIView commitAnimations];//设置调整界面的动画效果
    }
}

/**
 结束编辑UITextField的方法，让原来的界面还原高度
 */
-(void) textFieldDidEndEditing:(UITextField *)textField
{
    //    if(prewTag == -1) //当编辑的View不是需要移动的View
    //    {
    //        return;
    //    }
    //    float moveY ;
    
    if(self.resize)
    {
        NSTimeInterval animationDuration = 0.30f;
        CGRect frame = self.view.frame;
        //    if(prewTag == textField.tag) //当结束编辑的View的TAG是上次的就移动
        //    {   //还原界面
        //        moveY =  prewMoveY;
        frame.origin.y +=self.ioffset;
        frame.size. height -=self.ioffset;
        self.view.frame = frame;
        //    }
        //self.view移回原位置
        [UIView beginAnimations:@"ResizeView" context:nil];
        [UIView setAnimationDuration:animationDuration];
        self.view.frame = frame;
        [UIView commitAnimations];
        [textField resignFirstResponder];
        self.ioffset=0;
    }
    
}

- (void)alertTitle:(NSString *)title withMessage:(NSString *)msg {
    UIAlertController *alertVC = [UIAlertController alertControllerWithTitle:title message:msg preferredStyle:UIAlertControllerStyleAlert];
    UIAlertAction *okAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"ok", @"Ok") style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        
    }];
    [alertVC addAction:okAction];
    [self presentViewController:alertVC animated:YES completion:nil];
}

@end