erpsuiteios/RedAnt ERP Mobile/common/Functions/order/RABackOrderSubmitAlertController.m

//
//  RABackOrderSubmitAlertController.m
//  iSales-NPD
//
//  Created by Jack on 2018/1/2.
//  Copyright © 2018年 United Software Applications, Inc. All rights reserved.
//

#import "RABackOrderSubmitAlertController.h"

#define MARGIN 15
#define V_DISTANCE 15

@interface AlertButton : UIButton

@end

@implementation AlertButton

@end

@interface RABackOrderSubmitAlertController ()
{
    NSString *_title;
    NSString *_message;
}

@property (nonatomic,strong) UILabel *titleLabel;
@property (nonatomic,strong) UILabel *messageLabel;
@property (nonatomic,strong) AlertButton *confirmBtn;
@property (nonatomic,strong) UIView *line;

@end

@implementation RABackOrderSubmitAlertController

- (instancetype)initWithTitle:(NSString *)title Message:(NSString *)msg {
    if (self = [super init]) {
        _title = title;
        _message = msg;
        self.preferredContentSize = CGSizeMake(300, 200);
        self.modalPresentationStyle = UIModalPresentationFormSheet;
        [self initContentUI];
    }
    return self;
}

- (UILabel *)titleLabel {
    if (_titleLabel == nil) {
        _titleLabel = [[UILabel alloc] initWithFrame:CGRectZero];
        _titleLabel.font = [UIFont boldSystemFontOfSize:17.0f];
    }
    return _titleLabel;
}

- (UILabel *)messageLabel {
    if (_messageLabel == nil) {
        _messageLabel = [[UILabel alloc] initWithFrame:CGRectZero];
        _messageLabel.numberOfLines = 0;
    }
    return _messageLabel;
}

- (AlertButton *)confirmBtn {
    if (_confirmBtn == nil) {
        _confirmBtn = [AlertButton buttonWithType:UIButtonTypeSystem];
        [_confirmBtn addTarget:self action:@selector(confirmBtnClick:) forControlEvents:UIControlEventTouchUpInside];
        _confirmBtn.titleLabel.font = [UIFont boldSystemFontOfSize:17.0f];
        [_confirmBtn setTitle:@"Ok" forState:UIControlStateNormal];
    }
    return _confirmBtn;
}

- (UIView *)line {
    if (_line == nil) {
        _line = [UIView new];
        _line.backgroundColor = [UIColor lightGrayColor];
    }
    return _line;
}

- (void)confirmBtnClick:(AlertButton *)sender {
    [self dismissViewControllerAnimated:YES completion:nil];
}

- (void)initContentUI {
    CGRect bounds = CGRectZero;
    CGFloat width = CGRectGetWidth(self.view.bounds);
    CGFloat maxWidth = 0;
    
    self.titleLabel.text = _title;
    [self.titleLabel sizeToFit];
    bounds = self.titleLabel.bounds;
    self.titleLabel.frame = CGRectMake((width - bounds.size.width) * 0.5, 10, bounds.size.width, bounds.size.height);
    
    maxWidth = MAX(maxWidth, bounds.size.width);
    
    self.messageLabel.attributedText = [self attributedStringWithHtml:_message];
    [self.messageLabel sizeToFit];
    bounds = self.messageLabel.bounds;
    self.messageLabel.frame = CGRectMake((width - bounds.size.width) * 0.5, V_DISTANCE + CGRectGetMaxY(self.titleLabel.frame), bounds.size.width, bounds.size.height);
    
    maxWidth = MAX(maxWidth, bounds.size.width);
    
    [self.confirmBtn sizeToFit];
    bounds = self.confirmBtn.bounds;
    self.confirmBtn.frame = CGRectMake((width - bounds.size.width) * 0.5, V_DISTANCE + CGRectGetMaxY(self.messageLabel.frame), bounds.size.width, bounds.size.height);
    
    self.preferredContentSize = CGSizeMake(maxWidth + 2 * MARGIN, CGRectGetMaxY(self.confirmBtn.frame) + 5.0);
}

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    [self.view addSubview:self.titleLabel];
    [self.view addSubview:self.messageLabel];
    [self.view addSubview:self.line];
    [self.view addSubview:self.confirmBtn];
    
    
    self.view.backgroundColor = [UIColor whiteColor];
}

- (void)viewDidLayoutSubviews {
    [super viewDidLayoutSubviews];
    
    CGRect bounds = CGRectZero;
    CGFloat width = CGRectGetWidth(self.view.bounds);
    
    bounds = self.titleLabel.bounds;
    self.titleLabel.frame = CGRectMake((width - bounds.size.width) * 0.5, 10, bounds.size.width, bounds.size.height);
    
    bounds = self.messageLabel.bounds;
    self.messageLabel.frame = CGRectMake((width - bounds.size.width) * 0.5, V_DISTANCE + CGRectGetMaxY(self.titleLabel.frame), bounds.size.width, bounds.size.height);
    
    _line.frame = CGRectMake(0, CGRectGetMaxY(self.messageLabel.frame) + V_DISTANCE - 0.5, width, 0.5);
    
    bounds = self.confirmBtn.bounds;
    self.confirmBtn.frame = CGRectMake((width - bounds.size.width) * 0.5, V_DISTANCE + CGRectGetMaxY(self.messageLabel.frame), bounds.size.width, bounds.size.height);
}

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

- (NSAttributedString *)attributedStringWithHtml:(NSString *)html
{
    NSDictionary *options = @{NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType};
    NSMutableAttributedString *attrString=[[NSMutableAttributedString alloc] initWithData:[html dataUsingEncoding:NSUnicodeStringEncoding allowLossyConversion:YES] options:options documentAttributes:nil error:nil];
    return attrString;
    
}

@end