Customized note annotation view controller in Swift for iOS

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//
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//  Copyright © 2018-2026 PSPDFKit GmbH. All rights reserved.
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//
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//  The Nutrient sample applications are licensed with a modified BSD license.
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//  Please see License for details. This notice may not be removed from this file.
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//
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import PSPDFKit
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import PSPDFKitUI
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class CustomizedNoteAnnotationViewControllerExample: Example {
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    override init() {
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        super.init()
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        title = "Customized PSPDFNoteAnnotationViewController"
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        category = .annotations
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        priority = 400
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        wantsModalPresentation = true
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    }
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    override func invoke(with delegate: ExampleRunnerDelegate) -> UIViewController? {
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        let noteAnnotation = NoteAnnotation()
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        // width/height will be ignored for note annotations.
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        noteAnnotation.boundingBox = CGRect(x: 100, y: 100, width: 32, height: 32)
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        noteAnnotation.contents = "This is a sample note."
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        let noteViewController = CustomPSPDFNoteAnnotationViewController(annotation: noteAnnotation)
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        noteViewController.backgroundView.backgroundColor = .red
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        noteViewController.commentBackgroundColor = .yellow
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        noteViewController.showsTimestamps = false
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        noteViewController.showsAuthorName = false
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        return noteViewController
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    }
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    class CustomPSPDFNoteAnnotationViewController: NoteAnnotationViewController {
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        override func viewDidLoad() {
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            super.viewDidLoad()
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            self.navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem: .done, target: self, action: #selector(dismissModal))
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        }
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        @objc func dismissModal() {
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            self.dismiss(animated: true, completion: nil)
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        }
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    }
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}