Select PDF Text & Create a Note in Swift for iOS

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//
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//  Copyright © 2017-2025 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 CreateNoteFromTextSelectionExample: Example, PDFViewControllerDelegate {
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    override init() {
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        super.init()
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        title = "Create Note from selected text"
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        contentDescription = "Adds a new menu item that will create a note at the selected position with the text contents."
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        category = .annotations
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        priority = 60
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    }
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    override func invoke(with delegate: ExampleRunnerDelegate) -> UIViewController? {
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        let document = AssetLoader.document(for: .annualReport)
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        document.annotationSaveMode = .disabled
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        let pdfController = PDFViewController(document: document, delegate: self)
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        return pdfController
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    }
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    func pdfViewController(_ sender: PDFViewController, menuForText glyphs: GlyphSequence, onPageView pageView: PDFPageView, appearance: EditMenuAppearance, suggestedMenu: UIMenu) -> UIMenu {
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        // Create a custom action that adds a note for selected text.
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        let createNoteAction = UIAction(title: "Create Note", image: UIImage(systemName: "plus.bubble")) { _ in
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            UsernameHelper.ask(forDefaultAnnotationUsernameIfNeeded: sender) { _ in
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                let noteAnnotation = NoteAnnotation()
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                noteAnnotation.contents = glyphs.text
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                noteAnnotation.pageIndex = pageView.pageIndex
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                noteAnnotation.boundingBox = CGRect(x: glyphs.boundingBox.maxX, y: glyphs.boundingBox.minY, width: 32, height: 32)
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                sender.document?.add(annotations: [noteAnnotation])
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                pageView.presentComments(for: noteAnnotation)
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            }
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        }
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        // Compose the final menu.
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        return suggestedMenu.prepend([createNoteAction])
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    }
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}