kmpdfkit_demo/PDFViewer/Controller/CPDFHeaderFooterAddController.m

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

#import "CPDFHeaderFooterAddController.h"

@interface CPDFHeaderFooterAddController ()

@end

@implementation CPDFHeaderFooterAddController

- (id)initWithIamge:(UIImage *)image WithSize:(CGSize)size WithDocument:(CPDFDocument *)docment WithView:(CPDFView *)pdfView {
    self = [super init];
    if (self) {
        _image = image;
        _size  = size;
        _document = docment;
        _pdfView = pdfView;
    }
    return self;
}

- (void)viewDidLoad { 
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    //setting navigation
    self.navigationItem.title = @"Add Page NUmber";
    self.navigationController.toolbarHidden = YES;
    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(doneClick:)];
    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(cancelClick:)];
    //initialize model
    _modelData = [[CPDFHeaderFooterModel alloc] init];
    _modelData.fontSize = 18.0;
    _modelData.fontSelcet = 0;
    _modelData.fontPosition = 1;
    _modelData.pageStart = @"1";
    //add page image
    _headerFooterview = [[CPDFHeaderFooterAddView alloc] init];
    _imageView = [[UIImageView alloc] init];
    _imageView.image = self.image;
    CALayer *layer = [_imageView layer];
    layer.borderColor = [[UIColor blackColor] CGColor];
    layer.borderWidth = 1.0f;
    [self.view addSubview:_imageView];
    [self.view addSubview:_headerFooterview];
    [_imageView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.view.mas_top).offset(125);
        make.left.equalTo(self.view.mas_left).offset((393 / 2) - (self.size.width / 6));
        make.width.mas_equalTo(self.size.width / 3);
        make.height.mas_equalTo(self.size.height / 3);
    }];
    
    //add view
    [self.headerFooterview mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.imageView.mas_bottom).offset(60);
        make.left.equalTo(self.view.mas_left);
        make.width.mas_equalTo(self.view.frame.size.width);
        make.height.mas_equalTo(self.view.frame.size.height);
    }];
    
    //UI event
    [_headerFooterview.localSegment addTarget:self action:@selector(changeLocation:) forControlEvents:UIControlEventValueChanged];
    [_headerFooterview.aligbmentSegment addTarget:self action:@selector(changeAligbment:) forControlEvents:UIControlEventValueChanged];
    [_headerFooterview.colorSlider addTarget:self action:@selector(sliderChange:) forControlEvents:UIControlEventValueChanged];
    [_headerFooterview.fontSizeText addTarget:self action:@selector(changeFontSize:) forControlEvents:UIControlEventEditingChanged];
    [_headerFooterview.pageIndexNumberText addTarget:self action:@selector(changePageStart:) forControlEvents:UIControlEventEditingChanged];
    [_headerFooterview.pageNumberText addTarget:self action:@selector(changeTableView:) forControlEvents:UIControlEventEditingDidBegin];
}

#pragma mark - CPDFHeaderFooterTextTableView's initialize

//tableView initialize
- (NSArray *)dataArray {
    if (!_dataArray) {
        _dataArray = [NSMutableArray array];
        NSArray *pageFormatArray = [[NSArray alloc] initWithObjects:@"1",@"page 1",@"1/n",@"1 of n",@"page 1 of n",nil];
        for (int i = 0; i < pageFormatArray.count; i++) {
            CPDFPageFomatModel *pageFormatMode = [[CPDFPageFomatModel alloc] init];
            pageFormatMode.pageFormat = pageFormatArray[i];
            [_dataArray addObject:pageFormatMode];
        }
    }
    return _dataArray;
}

- (void)changeTableView:(UITextField *)text {
    _pageFormat = [[CPDFHeaderFooterTextTableView alloc] initWithTitleName:@"Page Format"];
    _pageFormat.tableView.delegate = self;
    _pageFormat.tableView.dataSource = self;
    [self.headerFooterview addSubview:self.pageFormat];
    [self.view bringSubviewToFront:self.pageFormat];
    [_pageFormat mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.headerFooterview.mas_top).offset(50);
        make.left.equalTo(self.headerFooterview.mas_left).offset(50);
        make.width.mas_equalTo(293);
        make.height.mas_equalTo(300);
    }];
    [self.pageFormat.okBtn addTarget:self action:@selector(pageFormatOk:) forControlEvents:UIControlEventTouchUpInside];
}


- (void)pageFormatOk:(UIButton *)okBtn {
    [self.pageFormat removeFromSuperview];
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return self.dataArray.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"pageFormat"];
    if (cell == nil) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"pageFormat"];
    }
    cell.textLabel.text = [self.dataArray[indexPath.row] pageFormat];
    return cell;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    self.headerFooterview.pageNumberText.text = [self.dataArray[indexPath.row] pageFormat];
    self.modelData.fontSelcet = indexPath.row;
    self.showLabel.text = [self.dataArray[indexPath.row] pageFormat];
}

#pragma mark - done and cancel in CPDFHeaderFooterAddController's navigationItem

//candel button enable
- (void)cancelClick:(UIBarButtonItem *)btn {
    [self.navigationController popViewControllerAnimated:YES];
}

//done button enable
- (void)doneClick:(UIBarButtonItem *)btn {
    NSDictionary *dict = [[NSDictionary alloc] initWithObjectsAndKeys:self.modelData,@"model", nil];
    NSNotification *notification = [NSNotification notificationWithName:@"getAddHeaderFooterModel" object:nil userInfo:dict];
    [[NSNotificationCenter defaultCenter] postNotification:notification];
    [self.navigationController popViewControllerAnimated:YES];
}

#pragma mark - model get value from UI

//get page start for headerfooter's model
- (void)changePageStart:(UITextField *)text {
    int start = [text.text intValue];
    self.modelData.pageStart = [NSString stringWithFormat:@"%d",start];
}

//get headerfoote's font size for headerfooter'model
- (void)changeFontSize:(UITextField *)text {
    float size = [text.text floatValue];
    _showLabel.font = [UIFont systemFontOfSize:size / 3];
    _modelData.fontSize = size;
}

//slider select color
- (void)sliderChange:(UISlider *)slider {
    switch ((int)slider.value / 10) {
        case 0:
            self.showLabel.textColor = [UIColor redColor];
            self.modelData.fontColor = [UIColor redColor];
            break;
        case 1:
            self.showLabel.textColor = [UIColor orangeColor];
            self.modelData.fontColor = [UIColor orangeColor];
            break;
        case 2:
            self.showLabel.textColor = [UIColor colorWithRed:239.0 / 255 green:140.0 / 255 blue:133.0 / 255 alpha:1];
            self.modelData.fontColor = [UIColor colorWithRed:239.0 / 255 green:140.0 / 255 blue:133.0 / 255 alpha:1];
            break;
        case 3:
            self.showLabel.textColor = [UIColor yellowColor];
            self.modelData.fontColor = [UIColor yellowColor];;
            break;
        case 4:
            self.showLabel.textColor = [UIColor greenColor];
            self.modelData.fontColor = [UIColor greenColor];
            break;
        case 5:
            self.showLabel.textColor = [UIColor blueColor];
            self.modelData.fontColor = [UIColor blueColor];
            break;
        case 6:
            self.showLabel.textColor = [UIColor purpleColor];
            self.modelData.fontColor = [UIColor purpleColor];
            break;
        case 7:
            self.showLabel.textColor = [UIColor colorWithRed:235.0 / 255 green:61.0 / 255 blue:133.0 / 255 alpha:1];
            self.modelData.fontColor = [UIColor colorWithRed:235.0 / 255 green:61.0 / 255 blue:133.0 / 255 alpha:1];
            break;
        case 8:
            self.showLabel.textColor = [UIColor blackColor];
            self.modelData.fontColor = [UIColor blackColor];
            break;
        case 9:
            self.showLabel.textColor = [UIColor whiteColor];
            self.modelData.fontColor = [UIColor whiteColor];
            break;
        default:
            break;
    }
}

//select headerfooter
- (void)changeLocation:(UISegmentedControl *)sender {
    if (sender.selectedSegmentIndex == 0) {
        _position.location = kHeader;
    } else {
        _position.location = kFooter;
    }
    [self showPages];
}

//select aligment
- (void)changeAligbment:(UISegmentedControl *)sender {
    if (sender.selectedSegmentIndex == 0) {
        _position.aligment = kLeft;
    } else if (sender.selectedSegmentIndex == 1) {
        _position.aligment = kCenter;
    } else {
        _position.aligment = kRinght;
    }
    [self showPages];
}

//show headerfooter and aligment
- (void)showPages {
    if (_showLabel == nil) {
        _showLabel = [[UILabel alloc] init];
    }
    [_showLabel setText:@"1"];
    _showLabel.font = [UIFont systemFontOfSize:6];
    [self.imageView addSubview:self.showLabel];
    switch (self.position.location) {
        case kHeader:
            if (self.position.aligment == kLeft) {
                [_showLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
                    make.top.equalTo(_imageView.mas_top).offset(0.5);
                    make.left.equalTo(self.imageView.mas_left).offset(0.5);
                    make.height.mas_equalTo(10);
                    make.width.mas_equalTo(10);
                }];
                self.modelData.fontPosition = 0;
            } else if (self.position.aligment == kCenter) {
                [_showLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
                    make.top.equalTo(_imageView.mas_top).offset(0.5);
                    make.left.equalTo(self.imageView.mas_left).offset(self.size.width / 6);
                    make.height.mas_equalTo(10);
                    make.width.mas_equalTo(10);
                }];
                self.modelData.fontPosition = 1;
            } else {
                [_showLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
                    make.top.equalTo(self.imageView.mas_top).offset(0.5);
                    make.left.equalTo(self.imageView.mas_left).offset(self.size.width / 3 - 12);
                    make.height.mas_equalTo(10);
                    make.width.mas_equalTo(10);
                }];
                self.modelData.fontPosition = 2;
            }
            break;
        case kFooter:
            if (self.position.aligment == kLeft) {
                [_showLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
                    make.top.equalTo(self.imageView.mas_top).offset(self.size.height / 3 - 12);
                    make.left.equalTo(self.imageView.mas_left).offset(0.5);
                    make.height.mas_equalTo(10);
                    make.width.mas_equalTo(10);
                }];
                self.modelData.fontPosition = 3;
            } else if (self.position.aligment == kCenter) {
                [_showLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
                    make.top.equalTo(self.imageView.mas_top).offset(self.size.height / 3 - 12);
                    make.left.equalTo(self.imageView.mas_left).offset(self.size.width/6);
                    make.height.mas_equalTo(10);
                    make.width.mas_equalTo(10);
                }];
                self.modelData.fontPosition = 4;
            } else {
                [_showLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
                    make.top.equalTo(self.imageView.mas_top).offset(self.size.height / 3 - 12);
                    make.left.equalTo(self.imageView.mas_left).offset(self.size.width / 3 - 12);
                    make.height.mas_equalTo(10);
                    make.width.mas_equalTo(10);
                }];
                self.modelData.fontPosition = 5;
            }
            break;
        default:
            break;
    }
}

#pragma mark - when orientation

//when orientation
- (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator {
    if ([UIDevice currentDevice].orientation == UIDeviceOrientationLandscapeRight) {
        [_imageView mas_remakeConstraints:^(MASConstraintMaker *make) {
            make.top.equalTo(self.view.mas_top).offset((393 / 2) - (self.size.height / 6));
            make.left.equalTo(self.view.mas_left).offset((393 / 2) - (self.size.width/6));
            make.width.mas_equalTo(self.size.width / 3);
            make.height.mas_equalTo(self.size.height / 3);
        }];
        //add view
        [self.headerFooterview mas_remakeConstraints:^(MASConstraintMaker *make) {
            make.top.equalTo(self.view.mas_top).offset(15);
            make.left.equalTo(self.view.mas_left).offset(self.view.frame.size.width / 2 + 200);
            make.width.mas_equalTo(393);
            make.height.mas_equalTo(self.view.frame.size.height - 20);
        }];
        
    } else if ([UIDevice currentDevice].orientation == UIDeviceOrientationPortrait) {
        [_imageView mas_remakeConstraints:^(MASConstraintMaker *make) {
            make.top.equalTo(self.view.mas_top).offset(125);
            make.left.equalTo(self.view.mas_left).offset((393 / 2) - (self.size.width / 6));
            make.width.mas_equalTo(self.size.width / 3);
            make.height.mas_equalTo(self.size.height / 3);
        }];
        //add view
        [self.headerFooterview mas_remakeConstraints:^(MASConstraintMaker *make) {
            make.top.equalTo(self.imageView.mas_bottom).offset(60);
            make.left.equalTo(self.view.mas_left);
            make.width.mas_equalTo(self.view.frame.size.width);
            make.height.mas_equalTo(self.view.frame.size.height);
        }];
    }
}

@end