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Safari plugin: Part 1 #15 Don't send empty selected text to the app.
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90 changes: 90 additions & 0 deletions
90
ReaderTranslator/Components/PDFKitView/PDFKitViewRepresentable.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| // | ||
| // PDFKitViewRepresentable.swift | ||
| // ReaderTranslator | ||
| // | ||
| // Created by Viktor Kushnerov on 10/5/19. | ||
| // Copyright © 2019 Viktor Kushnerov. All rights reserved. | ||
| // | ||
|
|
||
| import SwiftUI | ||
| import PDFKit | ||
|
|
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| #if os(macOS) | ||
| struct PDFKitViewRepresentable: NSViewRepresentable { | ||
| @Binding var url: URL? | ||
| static let pdfView = PDFView() | ||
|
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| class Coordinator: NSObject, PDFViewDelegate { | ||
| var parent: PDFKitViewRepresentable | ||
|
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| init(_ parent: PDFKitViewRepresentable) { | ||
| self.parent = parent | ||
| } | ||
| } | ||
|
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| func makeCoordinator() -> PDFKitViewRepresentable.Coordinator { | ||
| Coordinator(self) | ||
| } | ||
|
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| func makeNSView(context: Context) -> PDFView { | ||
| PDFKitViewRepresentable.pdfView | ||
| } | ||
|
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| func updateNSView(_ uiView: PDFView, context: Context) { | ||
| if PDFKitViewRepresentable.pdfView.document != nil { return } | ||
| if let url = url { | ||
| //TODO: PDFKitViewRepresentable.pdfView.autoresizingMask = [.flexibleWidth] | ||
| PDFKitViewRepresentable.pdfView.autoScales = true | ||
| PDFKitViewRepresentable.pdfView.document = PDFDocument(url: url) | ||
| PDFKitViewRepresentable.pdfView.delegate = context.coordinator | ||
| } | ||
| } | ||
|
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| static func getSelectedText() -> String { | ||
| guard let selections = PDFKitViewRepresentable.pdfView.currentSelection?.selectionsByLine() else { return "" } | ||
|
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| return selections | ||
| .map { selection in selection.string! } | ||
| .joined(separator: " ") | ||
| } | ||
| } | ||
| #else | ||
| struct PDFKitViewRepresentable: UIViewRepresentable { | ||
| @Binding var url: URL? | ||
| static let pdfView = PDFView() | ||
|
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| class Coordinator: NSObject, PDFViewDelegate { | ||
| var parent: PDFKitViewRepresentable | ||
|
|
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| init(_ parent: PDFKitViewRepresentable) { | ||
| self.parent = parent | ||
| } | ||
| } | ||
|
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| func makeCoordinator() -> PDFKitViewRepresentable.Coordinator { | ||
| Coordinator(self) | ||
| } | ||
|
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| func makeUIView(context: Context) -> PDFView { | ||
| PDFKitViewRepresentable.pdfView | ||
| } | ||
|
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| func updateUIView(_ uiView: PDFView, context: Context) { | ||
| if PDFKitViewRepresentable.pdfView.document != nil { return } | ||
| if let url = url { | ||
| PDFKitViewRepresentable.pdfView.autoresizingMask = [.flexibleWidth] | ||
| PDFKitViewRepresentable.pdfView.autoScales = true | ||
| PDFKitViewRepresentable.pdfView.document = PDFDocument(url: url) | ||
| PDFKitViewRepresentable.pdfView.delegate = context.coordinator | ||
| } | ||
| } | ||
|
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| static func getSelectedText() -> String { | ||
| guard let selections = PDFKitViewRepresentable.pdfView.currentSelection?.selectionsByLine() else { return "" } | ||
|
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| return selections | ||
| .map { selection in selection.string! } | ||
| .joined(separator: " ") | ||
| } | ||
| } | ||
| #endif |
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