kmpdfkit_demo/PDFViewer/Source/PDFHeaderFooter/PDFBatesAddView.m

//
//  BatesAddView.m
//  PDFViewer
//
//  Created by kdanmobile_2 on 2022/11/18.
//

#import "PDFBatesAddView.h"
#import "Masonry.h"

@implementation PDFBatesAddView

- (instancetype)initWithFrame:(CGRect)frame {
    self = [super initWithFrame:frame];
    if (self) {
        // Font index
        _pageIndexLabel = [[UILabel alloc] init];
        _pageIndexNumberText = [[UITextField alloc] init];
        
        [self addSubview:_pageIndexLabel];
        [self addSubview:_pageIndexNumberText];
        
        // Font Name
        _fontNameLabel = [[UILabel alloc] init];
        _fontNameText = [[UITextField alloc] init];
        
        [self addSubview:_fontNameLabel];
        [self addSubview:_fontNameText];
        
        // Page number
        _pageNumberLabel = [[UILabel alloc] init];
        _pageNumberText = [[UITextField alloc] init];
        
        [self addSubview:_pageNumberLabel];
        [self addSubview:_pageNumberText];
        
        self.backgroundColor = [UIColor whiteColor];
    }
    return  self;
}

#pragma mark - Layout

- (void)layoutSubviews {
    [super layoutSubviews];
    CGFloat offsetx = 3.5;
    
    // Font index
    [_pageIndexLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.colorSlider.mas_bottom).offset(offsetx);
        make.left.equalTo(self.mas_left).offset(offsetx);
        make.height.mas_equalTo(34);
        make.width.mas_equalTo(73);
    }];
    [_pageIndexNumberText mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.colorSlider.mas_bottom).offset(offsetx);
        make.left.equalTo(_pageIndexLabel.mas_right).offset(offsetx);
        make.height.mas_equalTo(34);
        make.width.mas_equalTo(93);
    }];
    
    // Font Name
    [_fontNameLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.colorSlider.mas_bottom).offset(offsetx);
        make.left.equalTo(_pageIndexNumberText.mas_right).offset(offsetx + 20);
        make.height.mas_equalTo(34);
        make.width.mas_equalTo(73);
    }];
    [_fontNameText mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.colorSlider.mas_bottom).offset(offsetx);
        make.left.equalTo(_fontNameLabel.mas_right).offset(offsetx);
        make.height.mas_equalTo(34);
        make.width.mas_equalTo(93);
    }];
    
    // Page number
    [_pageNumberLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(_pageIndexLabel.mas_bottom).offset(offsetx);
        make.left.equalTo(self.mas_left).offset(offsetx);
        make.height.mas_equalTo(34);
        make.width.mas_equalTo(73);
    }];
    [_pageNumberText mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(_pageIndexNumberText.mas_bottom).offset(offsetx+5);
        make.left.equalTo(_pageNumberLabel.mas_right).offset(offsetx);
        make.height.mas_equalTo(33);
        make.width.mas_equalTo(153);
    }];
}

#pragma mark - Assignment

- (void)setText {
    // Page number location
    [self.localLabel setText:NSLocalizedString(@"Page number position", nil)];
    self.localLabel.font = [UIFont boldSystemFontOfSize:12];
    
    // Alignment
    [self.alignmentLabel setText:NSLocalizedString(@"alignment", nil)];
    self.alignmentLabel.font = [UIFont boldSystemFontOfSize:12];
    
    // Font color
    [self.colorLabel setText:NSLocalizedString(@"Font Color", nil)];
    self.colorLabel.font = [UIFont boldSystemFontOfSize:12];
    
    CALayer *layer = [self.colerImage layer];
    layer.borderColor = [[UIColor blackColor] CGColor];
    layer.borderWidth = 0.5f;
    self.colerImage.image = [UIImage imageNamed:@"text_color_bar"];
    
    self.colorSlider.minimumValue = 0;
    self.colorSlider.maximumValue = 100;
    self.colorSlider.value = 5;
    
    // Font index
    [_pageIndexLabel setText:NSLocalizedString(@"Start Page", nil)];
    _pageIndexLabel.font = [UIFont boldSystemFontOfSize:12];
    
    _pageIndexNumberText.delegate = self;
    _pageIndexNumberText.borderStyle = UITextBorderStyleRoundedRect;
    _pageIndexNumberText.placeholder = @"1";
    
    // Font Name
    [_fontNameLabel setText:NSLocalizedString(@"Font Name", nil)];
    _fontNameLabel.font = [UIFont boldSystemFontOfSize:12];
    
    _fontNameText.inputView = [[UIView alloc] initWithFrame:CGRectZero];
    _fontNameText.inputAccessoryView = [[UIView alloc] initWithFrame:CGRectZero];
    _fontNameText.adjustsFontSizeToFitWidth = YES;
    _fontNameText.minimumFontSize = 6;
    _fontNameText.borderStyle = UITextBorderStyleRoundedRect;
    _fontNameText.tintColor = [UIColor clearColor];
    _fontNameText.placeholder = @"Helvetica";
    _fontNameText.keyboardType = UIKeyboardTypeDefault;
    _fontNameText.delegate = self;
    
    // Page number
    [_pageNumberLabel setText:NSLocalizedString(@"Page Text", nil)];
    _pageNumberLabel.font = [UIFont boldSystemFontOfSize:14];
    
    _pageNumberText.delegate = self;
    _pageNumberText.borderStyle = UITextBorderStyleRoundedRect;
    _pageNumberText.placeholder = @"#2#1#0#0";
}

#pragma mark - UITextFieldDelegate

- (BOOL)textFieldShouldReturn:(UITextField *)textField {
    [textField resignFirstResponder];
    return YES;
}

- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
    if (_pageIndexNumberText == textField) {
        return [self validateValue:string];
    }
    
    return YES;
}

- (BOOL)validateValue:(NSString *)number {
    BOOL res = YES;
    NSCharacterSet *numberSet = [NSCharacterSet characterSetWithCharactersInString:@"0123456789"];
    
    NSInteger i = 0;
    while (i < number.length) {
        NSString *str = [number substringWithRange:NSMakeRange(i, 1)];
        NSRange range = [str rangeOfCharacterFromSet:numberSet];
        
        if (range.length == 0) {
            res = NO;
            break;
        }
        i++;
    }
    
    return  res;
}

@end