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Commit 5dd39db5 authored by wieseoli's avatar wieseoli
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Merge branch '292-add-comments-to-attachmentviewmain-swift' into 'dev' 

Resolve "Add comments to: AttachmentViewMain.swift"

Closes #292

See merge request !79
parents 952cf19e 7150ad6f
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1 merge request!79Resolve "Add comments to: AttachmentViewMain.swift"
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enzevalos_iphone/SwiftUI/Read/ReadMainView.swift
+ 1
− 1
View file @ 5dd39db5
......@@ -66,7 +66,7 @@ struct ReadMainView <M: DisplayMail>: View {
tab: ReadPart.Attachments.value,
image: Image(systemName: "rectangle.and.paperclip"),
description: "Tab.Label.Attachments",
content: AnyView(AttachmentsViewMain(attachments: model.mail.displayAttachments, dlAll: true))
content: AnyView(AttachmentsViewMain(attachments: model.mail.displayAttachments, downloadAll: true))
)
]
}
......
enzevalos_iphone/SwiftUI/Read/Tabbed Views/AttachmentsViewMain.swift
+ 174
− 114
View file @ 5dd39db5
......@@ -15,29 +15,40 @@
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
/// a file that preview the attachments of incoming mails
// currently this view only previews a ProxyAttachment
import SwiftUI
struct AttachmentsViewMain: View {
// TODO: Refactor to model?
//a list that contains all the attachment files
@State var attachments: [DisplayAttachment]
// Whether the Download all button was clicked
@State var dlAll = true;
@State var downloadAll = true;
var body: some View {
VStack{
Spacer()
// TODO: Add link section
// check if there even are attachments to be displayed
// default view if there are no attachments to be displayed
if attachments.count == 0{
noAttachments
}
// otherwise preview the attachments
else {
attachmentsView
}
}
}
/// default view if there are no attachments to be displayed
var noAttachments: some View {
return Text(NSLocalizedString("ReadView.Attachments.No", comment: "")).font(.footnote).padding(30)
}
/// a view that previews all the attachment files
var attachmentsView: some View {
return VStack(alignment: .leading, spacing: 5){
// headline
......@@ -54,7 +65,7 @@ struct AttachmentsViewMain: View {
ForEach(0..<attachments.count) { i in
AttPrev(
attachment: self.attachments[i],
preload: self.dlAll
shouldBeDownloaded: self.downloadAll
)
}
}
......@@ -63,34 +74,39 @@ struct AttachmentsViewMain: View {
.padding(.top, 30)
.padding(.bottom,10)
}
var noAttachments: some View {
return Text(NSLocalizedString("ReadView.Attachments.No", comment: "")).font(.footnote).padding(30)
}
}
struct AttachmentsViewMain_Previews: PreviewProvider {
static var previews: some View {
// here we call the view with a single ProxyAttachment() for
// demonstration purposes
AttachmentsViewMain(attachments: [ProxyAttachment()])
}
}
// MARK: one AttachmentPreview
/// a view that previews one attachment file
struct AttPrev:View{
// the attachment that is going to be previewed
var attachment: DisplayAttachment
var preload = false
// by default false
var shouldBeDownloaded = false
// whether this attachment is already downloaded to the documents directory
@State var isDownloaded: Bool = false
// used togehter with 'open' button to
// open a fullScreenView of a file
@State var isFullScreen: Bool = false
func download(){
func getDocumentsDirectory() -> URL {
let paths = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)
return paths[0]
}
/// a func to find the documents directory
func getDocumentsDirectory() -> URL {
let paths = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)
return paths[0]
}
/// a func that downloads the attachment into the documents directory
func download() {
let filename = getDocumentsDirectory().appendingPathComponent(self.attachment.myName)
do {
......@@ -101,123 +117,167 @@ struct AttPrev:View{
self.isDownloaded = true
}
//is the file already downloaded?
/// a func that checks if an attachment is downloaded into the documents directory or not
/// updates the 'isDownloaded' property accordingly
func getDownloadedState(){
func getDocumentsDirectory() -> URL {
let paths = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)
return paths[0]
}
let filename = getDocumentsDirectory().appendingPathComponent(self.attachment.myName)
if FileManager.default.fileExists(atPath: filename.path){self.isDownloaded = true}
}
var body: some View{
if preload {self.download()}
if shouldBeDownloaded {
self.download()
}
//this QuickLookView has to be defined here so it reloads on every state-change
// QuickLookView creates the preview of the file
// it has to be defined here to update correctly
let QLV = QuickLookView(name: self.attachment.myName, data: self.attachment.myData, shallDL: self.isDownloaded)
return VStack{
Group{
CardV(title: self.attachment.myName,
Group{
CardV(title: self.attachment.myName,
//those are the actions visable under the cklicked preview
actions: self.isDownloaded||self.preload ?
[
/*
self.ActionView(NSLocalizedString("delete", comment: ""),
icon: AnyView(Image(systemName: "trash")),
onClick: {
func getDocumentsDirectory() -> URL {
let paths = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)
return paths[0]
// these buttons are visable under the preview
// when users click on the preview
actions: self.isDownloaded||self.shouldBeDownloaded ?
// different combination of buttons
// according to downloading status
[
// anyViewDeleteButton
anyViewOpenButton,
anyViewShareButton
]
:
[
anyViewDownloadButton,
// both lists need same length
// to make appearance the same
AnyView(EmptyView()),
AnyView(EmptyView())
]
){
QLV/*TODO:
.allowsHitTesting(false).disabled(true)*/ //this should make the whole view scrollable averywhere not just on the title
}
let filename = getDocumentsDirectory().appendingPathComponent(self.attachment.name!)
do {
try FileManager.default.removeItem(at: filename)
} catch let error as NSError {
print("Error: \(error)")
}
self.isDownloaded = false
}
), */
self.ActionView(NSLocalizedString("open", comment: ""),
icon: AnyView(Image(systemName: "arrow.up.and.down").rotationEffect(.degrees(45))),
onClick: {self.isFullScreen.toggle()}
),
AnyView(VStack{
shareButton
Text(NSLocalizedString("share", comment: "")).font(.system(size: 12)).foregroundColor(.blue)
})
]
:
[
self.ActionView(NSLocalizedString("download", comment: ""),
icon: AnyView(Image(systemName: "arrow.down.circle")),
onClick: {
self.download()
}
),
//odd but both lists need same length
AnyView(EmptyView()),
AnyView(EmptyView())
]
){
QLV/*TODO:
.allowsHitTesting(false).disabled(true)*/ //this should make the whole view scrollable averywhere not just on the title
}
}
}
// preview should resemble the look of A4 format
.aspectRatio(100/141, contentMode: .fit)
.frame(width: UIScreen.main.bounds.width*2/3)//, maxHeight: 500)
//an invisable NavigationLink to open the preview in fullscreen
NavigationLink(destination: QuickLookView(name: self.attachment.myName, data: self.attachment.myData)
.navigationBarItems(trailing: shareButton), isActive: self.$isFullScreen){Text("loi")}.hidden()
}
.onAppear(perform: {
self.getDownloadedState()
//a hidden NavigationLink to open the preview in fullscreen
// seems not to work currently
NavigationLink(
destination: QuickLookView(name: self.attachment.myName, data: self.attachment.myData)
.navigationBarItems(trailing: anyViewShareButton), isActive: self.$isFullScreen) {Text("loi")}.hidden()}
.onAppear(
perform: {
self.getDownloadedState()
//download all functionality
if self.preload {self.isDownloaded=true; self.download()}
})
.onDisappear(perform: {
func getDocumentsDirectory() -> URL {
let paths = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)
return paths[0]
}
let filename = getDocumentsDirectory().appendingPathComponent(self.attachment.myName)
//download all functionality
if self.shouldBeDownloaded {self.isDownloaded=true; self.download()}
}
)
// remove file from documents directory
.onDisappear(
perform: {
let filename = getDocumentsDirectory().appendingPathComponent(self.attachment.myName)
do {
try FileManager.default.removeItem(at: filename)
} catch let error as NSError {
print("Error: \(error)")
}
self.isDownloaded = false
print("======== Attachment DISAPPEAR -> REMOVE FILES ========")
})
do {
try FileManager.default.removeItem(at: filename)
}
catch let error as NSError {print("Error: \(error)")}
self.isDownloaded = false
print("======== Attachment DISAPPEAR -> REMOVE FILES ========")
}
)
}
// an open button converted into an AnyView
// should open the view fullscreen
var anyViewOpenButton: AnyView {
AnyView(
Button (
action: {
self.isFullScreen.toggle()
},
label: {
VStack {
Image(systemName: "arrow.up.and.down")
.rotationEffect(.degrees(45))
Text("open").font(.system(size: 12))
}
}
)
)
}
var shareButton: some View {
return Button(action:{
//popover the standart apple sharing stuff
/* if let coord = AppDelegate.getAppDelegate().readViewCoordinator {
coord.shareData(self.attachment.myData as NSData)
}*/
}){
Image(systemName: "square.and.arrow.up")
}
// a share button converted into an AnyView
var anyViewShareButton: AnyView {
AnyView(
Button (
action: {
// TODO
//popover the standard apple sharing stuff
/* if let coord = AppDelegate.getAppDelegate().readViewCoordinator {
coord.shareData(self.attachment.myData as NSData)
}*/
},
label: {
VStack {
Image(systemName: "square.and.arrow.up")
Text("share").font(.system(size: 12))
}
}
)
)
}
// a delete button converted into an AnyView
var anyViewDeleteButton: AnyView {
AnyView(
Button (
action: {
// TODO
/*
let filename = getDocumentsDirectory().appendingPathComponent(self.attachment.myName)
do {
try FileManager.default.removeItem(at: filename)
} catch let error as NSError {
print("Error: \(error)")
}
self.isDownloaded = false
*/
},
label: {
VStack {
Image(systemName: "trash")
Text("delete")
.font(.system(size: 12))
}
}
)
)
}
//each of those buttons under the card
func ActionView( _ text:String,icon: AnyView, onClick:@escaping ()->Void={})-> AnyView{
return AnyView(Button(
action: onClick
){VStack{
icon
Text(text).font(.system(size: 12))
}})
// a download button converted into an AnyView
// dowloads the file into the documents directory
var anyViewDownloadButton: AnyView {
AnyView(
Button (
action: {
self.download()
},
label: {
VStack {
Image(systemName: "arrow.down.circle")
Text("download")
.font(.system(size: 12))
}
}
)
)
}
}
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