kmpdfkit_demo/Edit-Ctrl-Demo/Edit-Ctrl-Demo/CPDFViewController.m

//
//  CPDFViewController.m
//   Edit-Ctrl-Demo
//
//  Copyright © 2014-2023 PDF Technologies, Inc. All Rights Reserved.
//
//  THIS SOURCE CODE AND ANY ACCOMPANYING DOCUMENTATION ARE PROTECTED BY INTERNATIONAL COPYRIGHT LAW
//  AND MAY NOT BE RESOLD OR REDISTRIBUTED. USAGE IS BOUND TO THE ComPDFKit LICENSE AGREEMENT.
//  UNAUTHORIZED REPRODUCTION OR DISTRIBUTION IS SUBJECT TO CIVIL AND CRIMINAL PENALTIES.
//  This notice may not be removed from this file.
//

#import "CPDFViewController.h"

#import <ComPDFKit/ComPDFKit.h>
#import <compdfkit_tools/compdfkit_tools.h>

@interface CPDFViewController () <UISearchBarDelegate,CPDFViewDelegate,CPDFListViewDelegate,CPDFEditToolBarDelegate>

@property(nonatomic, strong) NSString *filePath;

@property(nonatomic, strong) CPDFListView *pdfListView;

@property(nonatomic, strong) CActivityIndicatorView *loadingView;
 
@property(nonatomic, strong) NSString *navigationTitle;

@property(nonatomic, strong) CPDFEditViewController *baseVC;

@property(nonatomic, assign) CPDFEditMode editMode;

@end

@implementation CPDFViewController

#pragma mark - Initializers

- (instancetype)initWithFilePath:(NSString *)filePath {
    if(self = [super init]) {
        self.filePath = filePath;
    }
    return self;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.view.backgroundColor = [CPDFColorUtils CPDFViewControllerBackgroundColor];
    
    self.pdfListView = [[CPDFListView alloc] initWithFrame:self.view.bounds];
    self.pdfListView.performDelegate = self;
    self.pdfListView.delegate = self;
    self.pdfListView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
    [self.view addSubview:self.pdfListView];
    
    [self reloadDocumentWithFilePath:self.filePath completion:^(BOOL result) {
        
    }];
    
    CPDFEditToolBar * toolBar = [[CPDFEditToolBar alloc] initWithPDFView:self.pdfListView];
    toolBar.delegate = self;
    [self.view addSubview:toolBar];
    
    //default  beginEditingMode
    [self.pdfListView beginEditingLoadType:CEditingLoadTypeText | CEditingLoadTypeImage];
    self.editMode = CPDFEditModeAll;
}

- (void)viewWillLayoutSubviews {
    [super viewWillLayoutSubviews];
    
    if (@available(iOS 11.0, *)) {
        self.pdfListView.frame = CGRectMake(self.view.safeAreaInsets.left, self.view.safeAreaInsets.top, self.view.frame.size.width - self.view.safeAreaInsets.left - self.view.safeAreaInsets.right, self.view.frame.size.height - self.view.safeAreaInsets.bottom- self.view.safeAreaInsets.top);
    } else {
        self.pdfListView.frame = self.view.bounds;
    }
}

#pragma mark - Accessors

#pragma mark - Public method

- (void)reloadDocumentWithFilePath:(NSString *)filePath completion:(void (^)(BOOL result))completion {
    
    self.title = [[filePath lastPathComponent] stringByDeletingPathExtension];
    _navigationTitle = self.title;
    [self.navigationController.view setUserInteractionEnabled:NO];
    
    if (![self.loadingView superview]) {
        [self.view addSubview:self.loadingView];
    }
    [self.loadingView startAnimating];
    
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
        NSURL *url = [NSURL fileURLWithPath:filePath];
        CPDFDocument *document = [[CPDFDocument alloc] initWithURL:url];
        dispatch_async(dispatch_get_main_queue(), ^{
            [self.navigationController.view setUserInteractionEnabled:YES];
            [self.loadingView stopAnimating];
            [self.loadingView removeFromSuperview];
            
            if (document.error && document.error.code != CPDFDocumentPasswordError) {
                UIAlertAction *okAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"OK", nil) style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
                    [self.navigationController popViewControllerAnimated:YES];
                }];
                UIAlertController *alert = [UIAlertController alertControllerWithTitle:@""
                                                                               message:NSLocalizedString(@"Sorry PDF Reader Can't open this pdf file!", nil)
                                                                        preferredStyle:UIAlertControllerStyleAlert];
                [alert addAction:okAction];
                if (completion) {
                    completion(NO);
                }
            } else {
                self.pdfListView.document = document;
                if (completion) {
                    completion(YES);
                }
            }
        });
    });
}

#pragma mark - Action

#pragma mark - CPDFViewDelegate

- (void)PDFViewDocumentDidLoaded:(CPDFView *)pdfView {
}

- (void)PDFViewCurrentPageDidChanged:(CPDFView *)pdfView {
}

#pragma mark - CPDFEditToolBarDelegate
- (void)editClickInToolBar:(CPDFEditToolBar *)toolBar editMode:(CPDFEditMode)mode{
    self.editMode = mode;
    switch (mode) {
        case CPDFEditModeAll:
            [self.pdfListView beginEditingLoadType:CEditingLoadTypeText | CEditingLoadTypeImage];
            break;
            
        case CPDFEditModeText:
            [self.pdfListView changeEditingLoadType:CEditingLoadTypeText];
            break;
            
        case CPDFEditModeImage:
        {
            
            [self.pdfListView changeEditingLoadType:CEditingLoadTypeImage];
        }

            break;
            
        default:
            break;
    }
}

- (void)undoDidClickInToolBar:(CPDFEditToolBar *)toolBar{
    [self.pdfListView editTextUndo];
}

- (void)redoDidClickInToolBar:(CPDFEditToolBar *)toolBar{
    [self.pdfListView editTextRedo];
}

- (void)propertyEditDidClickInToolBar:(CPDFEditToolBar *)toolBar{
    _baseVC = [[CPDFEditViewController alloc] init];
    _baseVC.editMode = self.editMode;
    if(self.editMode == CPDFEditModeText || self.editMode == CPDFEditModeImage){
        
        AAPLCustomPresentationController *presentationController NS_VALID_UNTIL_END_OF_SCOPE;
       
        presentationController = [[AAPLCustomPresentationController alloc] initWithPresentedViewController:self.baseVC presentingViewController:self];
        self.baseVC.transitioningDelegate = presentationController;
        
        [self presentViewController:self.baseVC animated:YES completion:nil];
    }
}
@end