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// GridGalleryView.swift
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// twogetskills
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//
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// Created by Efrain Yanez Recanatini on 3/7/22.
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//
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import Foundation
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import SwiftUI
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struct GridGalleryView: View {
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let minDragTranslationForSwipe: CGFloat = 50
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@State var selectTab : Int = 0
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@State private var positionVisible: Int = 0
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@EnvironmentObject private var networkMonitor : NetworkMonitor
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@EnvironmentObject private var appNavigation : AppNavigation
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@ObservedObject private var viewModel : GalleryGridViewModel = GalleryGridViewModel()
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private var appData = Environment(\.appData).wrappedValue
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private var capsuleTitle : String = ""
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init()
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{
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self.viewModel.fetch(capsuleUuid: appData.capsuleUuidActive, userUuid: appData.userUuid)
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let capsuleDao = CapsuleDao()
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let capsule = capsuleDao.selectByUuid(uuid: appData.capsuleUuidActive)
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if capsule.name.count > Constants.APP_BAR_TITLE_MAX_LENGTH {
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capsuleTitle = String(Array(capsule.name)[0...Constants.APP_BAR_TITLE_MAX_LENGTH]) + "..."
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} else {
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capsuleTitle = capsule.name
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}
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}
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@ViewBuilder
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var body: some View {
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GeometryReader { geometry in
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ZStack {
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if self.viewModel.hasPrevious() {
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Button(action: {
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self.viewModel.previous()
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self.completeSlide(position: self.viewModel.slideActiveIndex)
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appData.slideUuidActive = self.viewModel.slides[self.viewModel.slideActiveIndex].uuid
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appData.save()
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self.positionVisible = self.viewModel.slideActiveIndex
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}, label: {
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Image(systemName: "arrow.left")
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.frame(width: 40.0, height: 40.0, alignment: .center)
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})
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.cornerRadius(/*@START_MENU_TOKEN@*/3.0/*@END_MENU_TOKEN@*/)
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.background(Color("color_button_gallery_background"))
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.foregroundColor(Color("color_button_gallery_foreground"))
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.offset(x: -1 * ((geometry.size.width / 2) - 30), y : 25).zIndex(10000)
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}
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if self.viewModel.hasNext() {
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Button(action: {
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self.viewModel.next()
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self.completeSlide(position: self.viewModel.slideActiveIndex)
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appData.slideUuidActive = self.viewModel.slides[self.viewModel.slideActiveIndex].uuid
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appData.save()
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self.positionVisible = self.viewModel.slideActiveIndex
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}, label: {
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Image(systemName: "arrow.right")
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.frame(width: 40.0, height: 40.0, alignment: .center)
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})
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.background(Color("color_button_gallery_background"))
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.foregroundColor(Color("color_button_gallery_foreground"))
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.offset(x: ((geometry.size.width / 2) - 30), y : 25).zIndex(10000)
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}
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VStack(spacing: 0) {
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HStack {
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Button(action: {
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appNavigation.subpageActive = .slides
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}, label: {
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Image(systemName: "chevron.backward")
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.frame(width: 32, height: 32, alignment: /*@START_MENU_TOKEN@*/.center/*@END_MENU_TOKEN@*/)
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.aspectRatio(contentMode: .fit)
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.foregroundColor(networkMonitor.status == .disconnected ? Color("color_network_disconnected_foreground") : Color("color_app_bar_foreground"))
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})
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.padding(.leading, 16)
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Text(networkMonitor.status == .disconnected ? Config.LANG_ERROR_NETWORK_MESSAGE_SHORT : capsuleTitle)
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.font(Font.custom(Config.FONT_NAME_REGULAR, size: Config.FONT_SIZE_APP_BAR_HEAD1 ))
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.foregroundColor(networkMonitor.status == .disconnected ? Color("color_network_disconnected_foreground") : Color("color_app_bar_foreground"))
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.padding(.leading, 4)
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Spacer()
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}
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.edgesIgnoringSafeArea(.top)
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.frame(height: 50)
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.background(networkMonitor.status == .disconnected ? Color("color_network_disconnected_background") : Color("color_app_bar_background"))
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Divider().background(networkMonitor.status == .disconnected ? Color("color_network_disconnected_background") : Color("color_app_bar_background"))
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GeometryReader { geometry2 in
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TabView(selection: self.$selectTab ) {
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ForEach(0..<self.viewModel.slides.count ) { index in
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CardGalleryView(
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slideUuid: self.viewModel.slides[self.viewModel.slideActiveIndex].uuid
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)
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.environmentObject(appNavigation)
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.frame(width: geometry2.size.width, height: geometry2.size.height)
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.highPriorityGesture(DragGesture().onEnded({ self.handleSwipe(translation: $0.translation.width)}))
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}
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}
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.onChange(of: self.positionVisible) { id in
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self.selectTab = positionVisible
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}
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.tabViewStyle(PageTabViewStyle())
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}
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.onAppear {
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var position : Int = 0
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var i : Int = 0
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while i < self.viewModel.slides.count {
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if appData.slideUuidActive == self.viewModel.slides[i].uuid {
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position = i
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}
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i += 1
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}
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self.viewModel.slideActiveIndex = position
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completeSlide(position: position)
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}
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}
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}
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}
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}
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func handleSwipe(translation: CGFloat) {
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if translation > minDragTranslationForSwipe {
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if self.viewModel.hasPrevious() {
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self.viewModel.previous()
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self.completeSlide(position: self.viewModel.slideActiveIndex)
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appData.slideUuidActive = self.viewModel.slides[self.viewModel.slideActiveIndex].uuid
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appData.save()
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self.positionVisible = self.viewModel.slideActiveIndex
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}
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} else if translation < -minDragTranslationForSwipe {
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if self.viewModel.hasNext() {
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self.viewModel.next()
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self.completeSlide(position: self.viewModel.slideActiveIndex)
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appData.slideUuidActive = self.viewModel.slides[self.viewModel.slideActiveIndex].uuid
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appData.save()
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self.positionVisible = self.viewModel.slideActiveIndex
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}
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}
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}
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private func completeSlide(position: Int)
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{
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if self.viewModel.slides[position].type == Constants.SLIDE_TYPE_IMAGE {
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let dataService = DataService()
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dataService.completeSlide(slide: self.viewModel.slides[position])
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}
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}
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}
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struct GridGalleryView_Previews: PreviewProvider {
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static var previews: some View {
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//GridGalleryView(capsuleUuid: "C123", position: 2)
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GridGalleryView()
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}
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}
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