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+//
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+// CPDFBookmarkViewController.m
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+// compdfkit-tools
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+//
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+// Copyright © 2014-2023 PDF Technologies, Inc. All Rights Reserved.
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+//
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+// THIS SOURCE CODE AND ANY ACCOMPANYING DOCUMENTATION ARE PROTECTED BY INTERNATIONAL COPYRIGHT LAW
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+// AND MAY NOT BE RESOLD OR REDISTRIBUTED. USAGE IS BOUND TO THE ComPDFKit LICENSE AGREEMENT.
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+// UNAUTHORIZED REPRODUCTION OR DISTRIBUTION IS SUBJECT TO CIVIL AND CRIMINAL PENALTIES.
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+//
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+
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+#import "CPDFBookmarkViewController.h"
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+#import "CPDFBookmarkViewCell.h"
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+
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+#import <ComPDFKit/ComPDFKit.h>
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+
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+@interface CPDFBookmarkViewController () <UITableViewDelegate, UITableViewDataSource>
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+
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+@property (nonatomic, strong) NSArray *bookmarks;
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+
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+@property (nonatomic, strong) UITableView *tableView;
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+
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+@property (nonatomic, strong) UILabel *noDataLabel;
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+
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+@property (nonatomic, strong) UIButton *addBookmarkBtn;
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+
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+@end
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+
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+@implementation CPDFBookmarkViewController
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+
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+#pragma mark - Initializers
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+
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+- (instancetype)initWithPDFView:(CPDFView *)pdfView {
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+ if (self = [super init]) {
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+ _pdfView = pdfView;
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+ }
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+ return self;
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+}
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+
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+#pragma mark - UIViewController Methods
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+
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+- (void)viewDidLoad {
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+ [super viewDidLoad];
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+ // Do any additional setup after loading the view.
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+ _tableView = [[UITableView alloc] initWithFrame:self.view.bounds style:UITableViewStylePlain];
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+ _tableView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
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+ _tableView.delegate = self;
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+ _tableView.dataSource = self;
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+ _tableView.rowHeight = UITableViewAutomaticDimension;
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+ _tableView.estimatedRowHeight = 60;
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+ _tableView.tableFooterView = [[UIView alloc] init];
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+// [_tableView setEditing:YES animated:YES];
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+ [self.view addSubview:self.tableView];
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+
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+ _noDataLabel = [[UILabel alloc] init];
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+ _noDataLabel.textColor = [UIColor grayColor];
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+ _noDataLabel.text = NSLocalizedString(@"No bookmark", nil);
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+ [_noDataLabel sizeToFit];
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+ _noDataLabel.center = CGPointMake(self.view.bounds.size.width/2.0, self.view.bounds.size.height/2.0);
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+ _noDataLabel.autoresizingMask = UIViewAutoresizingFlexibleTopMargin|UIViewAutoresizingFlexibleBottomMargin|UIViewAutoresizingFlexibleLeftMargin|UIViewAutoresizingFlexibleRightMargin;
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+ [self.view addSubview:self.noDataLabel];
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+
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+ _addBookmarkBtn = [[UIButton alloc] initWithFrame:CGRectMake(self.view.frame.size.width - self.view.safeAreaInsets.right - 60, self.view.frame.size.height - self.view.safeAreaInsets.bottom - 60, 60, 60)];
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+ _addBookmarkBtn.layer.cornerRadius = 30;
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+ _addBookmarkBtn.layer.masksToBounds = YES;
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+ _addBookmarkBtn.layer.borderWidth = 1.0;
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+ _addBookmarkBtn.layer.borderColor = [UIColor blueColor].CGColor;
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+ _addBookmarkBtn.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleTopMargin;
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+ [_addBookmarkBtn setImage:[UIImage imageNamed:@"CPDFBookmarkImageAdd" inBundle:[NSBundle bundleForClass:self.class] compatibleWithTraitCollection:nil] forState:UIControlStateNormal];
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+ [_addBookmarkBtn addTarget:self action:@selector(buttonItemClicked_add:) forControlEvents:UIControlEventTouchUpInside];
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+ [self.view addSubview:self.addBookmarkBtn];
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+
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+ [self createGestureRecognizer];
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+}
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+
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+- (void)viewDidAppear:(BOOL)animated {
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+ [super viewDidAppear:animated];
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+
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+ [self reloadData];
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+}
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+
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+#pragma mark - Private Methods
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+
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+- (void)reloadData {
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+ if ([self.pdfView.document bookmarks].count > 0) {
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+ self.bookmarks = [self.pdfView.document bookmarks];
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+ [self.tableView reloadData];
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+ self.tableView.hidden = NO;
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+ self.noDataLabel.hidden = YES;
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+ } else {
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+ self.tableView.hidden = YES;
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+ self.noDataLabel.hidden = NO;
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+ }
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+}
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+
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+- (void)createGestureRecognizer {
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+ [self.addBookmarkBtn setUserInteractionEnabled:YES];
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+
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+ UIPanGestureRecognizer *panRecognizer = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panaddBookmarkBtn:)];
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+ [self.addBookmarkBtn addGestureRecognizer:panRecognizer];
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+}
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+
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+- (void)panaddBookmarkBtn:(UIPanGestureRecognizer *)recognizer {
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+ CGPoint point = [recognizer translationInView:_tableView];
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+ CGRect documentFrame = _tableView.frame;
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+ documentFrame.origin.x -= _tableView.frame.origin.x;
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+ documentFrame.origin.y -= _tableView.frame.origin.y;
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+
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+ [_addBookmarkBtn setCenter:CGPointMake(_addBookmarkBtn.center.x + point.x, _addBookmarkBtn.center.y + point.y)];
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+
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+ if (!CGRectContainsRect(documentFrame,_addBookmarkBtn.frame)) {
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+ [_addBookmarkBtn setCenter:CGPointMake(_addBookmarkBtn.center.x - point.x, _addBookmarkBtn.center.y - point.y)];
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+ }
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+}
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+
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+#pragma mark - Action
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+
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+- (void)buttonItemClicked_add:(id)sender {
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+ if (![self.pdfView.document bookmarkForPageIndex:self.pdfView.currentPageIndex]) {
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+ [self.pdfView.document addBookmark:[NSString stringWithFormat:@"my page %lu", self.pdfView.currentPageIndex+1] forPageIndex:self.pdfView.currentPageIndex];
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+ [self reloadData];
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+ } else {
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+ UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"OK", nil)
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+ style:UIAlertActionStyleCancel
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+ handler:nil];
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+ UIAlertController *alert = [UIAlertController alertControllerWithTitle:nil
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+ message:NSLocalizedString(@"You've bookmarked about this", nil)
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+ preferredStyle:UIAlertControllerStyleAlert];
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+ [alert addAction:cancelAction];
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+
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+ [self presentViewController:alert animated:YES completion:nil];
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+ }
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+}
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+
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+#pragma mark - UITableViewDataSource
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+
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+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
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+ if (self.bookmarks.count > 0) {
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+ self.noDataLabel.hidden = YES;
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+ } else {
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+ self.noDataLabel.hidden = NO;
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+ }
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+ return self.bookmarks.count;
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+}
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+
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+- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
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+ CPDFBookmarkViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cell"];
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+ if (cell == nil) {
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+ cell = [[CPDFBookmarkViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:@"cell"];
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+ }
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+
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+ CPDFBookmark *bookmark = self.bookmarks[indexPath.row];
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+ cell.pageIndexLabel.text = [NSString stringWithFormat:@"page %ld", bookmark.pageIndex+1];
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+ cell.titleLabel.text = bookmark.label;
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+
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+ return cell;
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+}
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+
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+#pragma mark - UITableViewDelegate
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+
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+- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
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+ return YES;
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+}
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+
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+- (NSArray<UITableViewRowAction *> *)tableView:(UITableView *)tableView editActionsForRowAtIndexPath:(NSIndexPath *)indexPath {
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+ UITableViewRowAction *deleteAction = [UITableViewRowAction rowActionWithStyle:UITableViewRowActionStyleDestructive title:@"delete" handler:^(UITableViewRowAction *action, NSIndexPath *indexPath) {
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+ CPDFBookmarkViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
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+ [self.pdfView.document removeBookmarkForPageIndex:cell.pageIndexLabel.text.floatValue - 1];
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+ NSMutableArray *bookmarks = (NSMutableArray *)self.bookmarks;
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+ [bookmarks removeObjectAtIndex:indexPath.row];
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+ [tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:YES];
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+ [self reloadData];
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+ }];
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+
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+ UITableViewRowAction *editAction = [UITableViewRowAction rowActionWithStyle:UITableViewRowActionStyleDestructive title:@"edit" handler:^(UITableViewRowAction *action, NSIndexPath *indexPath) {
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+ UIAlertController *alert = [UIAlertController alertControllerWithTitle:@" " message:nil preferredStyle:UIAlertControllerStyleAlert];
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+ [alert addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {}];
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+
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+ UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"Cancel", nil) style:UIAlertActionStyleCancel handler:nil];
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+
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+ UIAlertAction *addAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"Add", nil) style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
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+ CPDFBookmarkViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
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+ cell.titleLabel.text = alert.textFields.firstObject.text;
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+ }];
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+
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+ [alert addAction:cancelAction];
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+ [alert addAction:addAction];
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+
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+ [self presentViewController:alert animated:YES completion:nil];
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+ }];
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+
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+ deleteAction.backgroundColor = [UIColor redColor];
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+ editAction.backgroundColor = [UIColor blueColor];
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+ return @[deleteAction, editAction];
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+}
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+
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+- (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath {
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+ return UITableViewCellEditingStyleDelete;
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+}
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+
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+- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
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+ if ([self.delegate respondsToSelector:@selector(boomarkViewController:pageIndex:)]) {
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+ [self.delegate boomarkViewController:self pageIndex:indexPath.row + 1];
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+ }
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+}
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+
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+@end
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