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// GridCapsuleView.swift
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// twogetskills
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//
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// Created by Efrain Yanez Recanatini on 2/17/22.
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//
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import SwiftUI
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struct GridCapsuleView: View
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{
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@EnvironmentObject private var networkMonitor : NetworkMonitor
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@EnvironmentObject private var appNavigation : AppNavigation
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@State private var scrollToIndex : Int = 0
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@ObservedObject private var viewModel : CapsuleGridViewModel = CapsuleGridViewModel()
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private let itemPerRow: CGFloat = 2
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private let config = [
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GridItem(.flexible()),
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GridItem(.flexible())
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]
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private var appData = AppData.sharedInstance
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private var topicTitle : String = ""
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private let capsuleUuidActive : String
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init(preview : Bool = false)
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{
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self.capsuleUuidActive = appData.capsuleUuidActive
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let topicDao = TopicDao()
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let topicModel = topicDao.selectByUuid(uuid: appData.topicUuidActive)
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viewModel.fetch(topicUuid: appData.topicUuidActive, userUuid: appData.userUuid)
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if topicModel.name.count > Constants.APP_BAR_TITLE_MAX_LENGTH {
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topicTitle = String(Array(topicModel.name)[0...Constants.APP_BAR_TITLE_MAX_LENGTH]) + "..."
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} else {
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topicTitle = topicModel.name
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}
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}
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var body: some View {
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VStack(spacing: 0) {
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HStack {
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Button(action: {
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appData.capsuleUuidActive = ""
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appData.slideUuidActive = ""
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appData.save()
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withAnimation {
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appNavigation.subpageActive = .topics
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}
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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 : topicTitle)
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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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ScrollView() {
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ScrollViewReader { proxy in
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LazyVGrid(columns: config, alignment: /*@START_MENU_TOKEN@*/.center/*@END_MENU_TOKEN@*/, spacing: /*@START_MENU_TOKEN@*/nil/*@END_MENU_TOKEN@*/, pinnedViews: /*@START_MENU_TOKEN@*/[]/*@END_MENU_TOKEN@*/, content:
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{
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ForEach(0..<self.viewModel.capsules.count) { index in
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CardCapsuleView(
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capsuleUuid: self.viewModel.capsules[index].uuid
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)
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.environmentObject(appNavigation)
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.frame(
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width: Constants.CARD_WIDTH,
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height: Constants.CARD_HEIGHT,
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alignment: .center
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).id(index)
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}
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.onChange(of: scrollToIndex, perform: { value in
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proxy.scrollTo(value, anchor: nil)
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})
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})
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}
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}
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.padding(.top, 5)
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}
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.onAppear {
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var i : Int = 0
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while i < self.viewModel.capsules.count {
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if self.capsuleUuidActive == self.viewModel.capsules[i].uuid {
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self.scrollToIndex = i
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}
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i += 1
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}
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}
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}
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}
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struct GridCapsuleView_Previews: PreviewProvider {
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static var previews: some View {
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GridCapsuleView( preview: true)
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}
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}
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