kmpdfkit_demo/PDFViewer/View/HeaderFooterView/PDFHeaderFooterAddView.m

//
//  HeaderFooterAddView.m
//  PDFViewer
//
//  Created by kdanmobile_2 on 2022/11/16.
//

#import "PDFHeaderFooterAddView.h"
#import "Masonry.h"

@implementation PDFHeaderFooterAddView

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

#pragma mark - Layout

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

#pragma mark - Assignment

- (void)setText {
    // Page number location
    [self.localLabel setText:@"Page number position"];
    self.localLabel.font = [UIFont boldSystemFontOfSize:12];
    
    // Alignment
    [self.alignmentLabel setText:@"alignment"];
    self.alignmentLabel.font = [UIFont boldSystemFontOfSize:12];
    
    // Font color
    [self.colorLabel setText:@"Font Color"];
    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;
    
    // Page number
    [_pageNumberLabel setText:@"Page Text"];
    _pageNumberLabel.font = [UIFont boldSystemFontOfSize:14];
    
    _pageNumberText.inputView = [[UIView alloc] initWithFrame:CGRectZero];
    _pageNumberText.inputAccessoryView = [[UIView alloc] initWithFrame:CGRectZero];
    _pageNumberText.delegate = self;
    _pageNumberText.adjustsFontSizeToFitWidth = YES;
    _pageNumberText.tintColor = [UIColor clearColor];
    _pageNumberText.borderStyle = UITextBorderStyleRoundedRect;
    _pageNumberText.placeholder = @"text";
    
    // Font size
    [_fontSizeLabel setText:@"Font Szie"];
    _fontSizeLabel.font = [UIFont boldSystemFontOfSize:14];
    
    _fontSizeText.keyboardType = UIKeyboardTypeNumbersAndPunctuation;
    _fontSizeText.clearsOnBeginEditing = YES;
    _fontSizeText.borderStyle = UITextBorderStyleRoundedRect;
    _fontSizeText.placeholder = @"18.0";
    _fontSizeText.delegate = self;
    _fontSizeText.keyboardType = UIKeyboardTypeDefault;
    
    // Page index
    [_pageIndexLabel setText:@"Page Start"];
    _pageIndexLabel.font = [UIFont boldSystemFontOfSize:12];
    
    _pageIndexNumberText.keyboardType = UIKeyboardTypeNumbersAndPunctuation;
    _pageIndexNumberText.clearsOnBeginEditing = YES;
    _pageIndexNumberText.delegate = self;
    _pageIndexNumberText.borderStyle = UITextBorderStyleRoundedRect;
    _pageIndexNumberText.placeholder = @"1";
}

#pragma mark - UITextFieldDelegate

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

- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
    if (_fontSizeText == textField || _pageNumberText == 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