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Merge pull request #8 from CS342/feature/documentGallery
Add Document Gallery + Sharing
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| // | ||
| // This source file is part of the Stanford CardinalKit Template Application project | ||
| // | ||
| // SPDX-FileCopyrightText: 2023 Stanford University | ||
| // | ||
| // SPDX-License-Identifier: MIT | ||
| // | ||
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| import PDFKit | ||
| import SwiftUI | ||
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| struct DocumentGalleryView: View { | ||
| @EnvironmentObject var documentManager: DocumentManager | ||
| @State var documentScanner = false | ||
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| var body: some View { | ||
| Group { | ||
| if documentManager.documents.isEmpty { | ||
| Text("No Documents") | ||
| } else { | ||
| List(documentManager.documents, id: \.documentURL) { document in | ||
| PDFListRow(document: document) | ||
| } | ||
| } | ||
| } | ||
| .toolbar { | ||
| ToolbarItem { | ||
| Button( | ||
| action: { | ||
| documentScanner = true | ||
| }, | ||
| label: { | ||
| Image(systemName: "plus") | ||
| } | ||
| ) | ||
| } | ||
| } | ||
| .fullScreenCover(isPresented: $documentScanner) { | ||
| DocumentScanner() | ||
| .background { | ||
| Color.black.ignoresSafeArea() | ||
| } | ||
| } | ||
| .navigationTitle("Documents") | ||
| } | ||
| } | ||
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| struct DocumentGalleryView_Previews: PreviewProvider { | ||
| static var previews: some View { | ||
| DocumentGalleryView() | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| // | ||
| // This source file is part of the Stanford CardinalKit Template Application project | ||
| // | ||
| // SPDX-FileCopyrightText: 2023 Stanford University | ||
| // | ||
| // SPDX-License-Identifier: MIT | ||
| // | ||
|
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| import PDFKit | ||
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| class DocumentManager: ObservableObject { | ||
| var documents: [PDFDocument] = [] { | ||
| willSet { | ||
| self.objectWillChange.send() | ||
| } | ||
| } | ||
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| init() { | ||
| guard let documentDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first else { | ||
| return | ||
| } | ||
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| let ownYourDataDirectory = documentDirectory.appending(path: "OwnYourData") | ||
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| var documents: [PDFDocument] = [] | ||
| do { | ||
| let items = try FileManager.default.contentsOfDirectory(at: ownYourDataDirectory, includingPropertiesForKeys: nil) | ||
| for item in items { | ||
| if let document = PDFDocument(url: item) { | ||
| documents.append(document) | ||
| } | ||
| } | ||
| self.documents = documents | ||
| } catch { | ||
| return | ||
| } | ||
| } | ||
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| func store(document: PDFDocument, title: String) { | ||
| guard let documentDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first else { | ||
| return | ||
| } | ||
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| try? FileManager.default.createDirectory(at: documentDirectory.appending(path: "OwnYourData"), withIntermediateDirectories: true) | ||
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| let documentBaseName: String | ||
| if title.isEmpty { | ||
| documentBaseName = "Document" | ||
| } else { | ||
| documentBaseName = title | ||
| } | ||
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| var documentName = documentBaseName | ||
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| for index in 1...Int.max { | ||
| if !FileManager.default.fileExists(atPath: documentDirectory.appending(path: "OwnYourData/\(documentName).pdf").path()) { | ||
| break | ||
| } | ||
| documentName = documentBaseName + "\(index)" | ||
| } | ||
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| let documentPath = documentDirectory.appending(path: "OwnYourData/\(documentName).pdf") | ||
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| let documentSaved = document.write(to: documentPath) | ||
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| print("Saved the document \(documentSaved) to \(documentPath)") | ||
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| if let loadedFromURLDocument = PDFDocument(url: documentPath) { | ||
| self.documents.append(loadedFromURLDocument) | ||
| DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) { | ||
| self.objectWillChange.send() | ||
| } | ||
| } | ||
| } | ||
| } |
33 changes: 33 additions & 0 deletions
33
TemplateApplication/Documents/PDFDocument+Transferable.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| // | ||
| // This source file is part of the Stanford CardinalKit Template Application project | ||
| // | ||
| // SPDX-FileCopyrightText: 2023 Stanford University | ||
| // | ||
| // SPDX-License-Identifier: MIT | ||
| // | ||
|
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| import PDFKit | ||
| import SwiftUI | ||
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| extension PDFDocument: Transferable { | ||
| public static var transferRepresentation: some TransferRepresentation { | ||
| DataRepresentation( | ||
| contentType: .pdf, | ||
| exporting: { pdf in | ||
| if let data = pdf.dataRepresentation() { | ||
| return data | ||
| } else { | ||
| return Data() | ||
| } | ||
| }, | ||
| importing: { data in | ||
| if let pdf = PDFDocument(data: data) { | ||
| return pdf | ||
| } else { | ||
| return PDFDocument() | ||
| } | ||
| } | ||
| ) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| // | ||
| // This source file is part of the Stanford CardinalKit Template Application project | ||
| // | ||
| // SPDX-FileCopyrightText: 2023 Stanford University | ||
| // | ||
| // SPDX-License-Identifier: MIT | ||
| // | ||
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| import PDFKit | ||
| import SwiftUI | ||
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| struct PDFListDetailView: View { | ||
| let document: PDFDocument | ||
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| var body: some View { | ||
| PDFView(document) | ||
| .toolbar { | ||
| ToolbarItem { | ||
| ShareLink(item: document, preview: SharePreview("PDF")) | ||
| } | ||
| } | ||
| } | ||
| } |
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