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// |
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// MeterView.swift |
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// USB Meter |
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// |
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// Created by Bogdan Timofte on 04/03/2020. |
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// Copyright © 2020 Bogdan Timofte. All rights reserved. |
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// |
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// MARK: Parent frame https://stackoverflow.com/questions/56832865/how-to-access-parents-frame-in-swiftui |
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import SwiftUI |
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import CoreBluetooth |
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struct MeterView: View {
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@EnvironmentObject private var meter: Meter |
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@State var dataGroupsViewVisibility: Bool = false |
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@State var recordingViewVisibility: Bool = false |
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@State var measurementsViewVisibility: Bool = false |
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private var myBounds: CGRect { UIScreen.main.bounds }
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var body: some View {
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ScrollView {
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VStack (alignment: .center, spacing: 10) {
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// MARK: Name |
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VStack {
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Text("Meter")
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.font(.headline) |
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Text("\(meter.name)")
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} |
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.padding() |
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.background(RoundedRectangle(cornerRadius: 20).foregroundColor(meter.color).opacity(0.1)) |
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// MARK: Mac |
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VStack {
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Text("MAC")
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.font(.headline) |
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Text("\(meter.btSerial.macAddress.description)")
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} |
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.padding() |
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.background(RoundedRectangle(cornerRadius: 20).foregroundColor(.secondary).opacity(0.1)) |
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} |
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// MARK: Connect/Disconnect |
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connectionControlButton() |
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// MARK: Show Data |
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if ( meter.operationalState == .dataIsAvailable) {
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Text("Model: \(meter.deviceModelSummary)")
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HStack(spacing: 24) {
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meterSheetButton(icon: "map", title: "Data Groups") {
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dataGroupsViewVisibility.toggle() |
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} |
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.sheet(isPresented: self.$dataGroupsViewVisibility) {
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DataGroupsView(visibility: self.$dataGroupsViewVisibility) |
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.environmentObject(self.meter) |
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} |
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if meter.supportsRecordingView {
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meterSheetButton(icon: "record.circle", title: "Recording") {
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recordingViewVisibility.toggle() |
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} |
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.sheet(isPresented: self.$recordingViewVisibility) {
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RecordingView(visibility: self.$recordingViewVisibility) |
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.environmentObject(self.meter) |
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} |
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} |
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meterSheetButton(icon: "recordingtape", title: "App History") {
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measurementsViewVisibility.toggle() |
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} |
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.sheet(isPresented: self.$measurementsViewVisibility) {
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MeasurementsView(visibility: self.$measurementsViewVisibility) |
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.environmentObject(self.meter.measurements) |
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} |
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} |
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if self.meter.measurements.power.context.isValid {
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MeasurementChartView() |
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.environmentObject(self.meter.measurements) |
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.frame(minHeight: myBounds.height/3) |
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} |
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ControlView() |
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LiveView() |
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} |
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} |
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//.frame(minWidth: 0, maxWidth: .greatestFiniteMagnitude, minHeight: 0, maxHeight: .greatestFiniteMagnitude) |
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.navigationBarTitle("Meter")
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.navigationBarItems(trailing: HStack (spacing: 0) {
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if meter.operationalState > .notPresent {
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RSSIView(RSSI: meter.btSerial.RSSI) |
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.frame(width: 24) |
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.padding(.vertical) |
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} |
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NavigationLink(destination: MeterSettingsView().environmentObject(meter)) {
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Image( systemName: "gear" ) |
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//.imageScale(.large) |
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.padding(.vertical) |
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.padding(.leading) |
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//.background(RoundedRectangle(cornerRadius: 20)).opacity(0.05) |
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} |
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}) |
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} |
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fileprivate func connectionControlButton() -> some View {
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/* |
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MARK: De adaugat si celelalte situatii |
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case peripheralNotConnected |
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case peripheralConnectionPending |
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case peripheralConnected |
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case ready |
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*/ |
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let buttonColor = meter.operationalState > .peripheralNotConnected ? Color.red : Color.green |
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return Group {
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if meter.operationalState == .notPresent {
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Text("Not found at this time.").foregroundColor(.red)
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} else {
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HStack {
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if meter.operationalState < .peripheralConnectionPending {
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Button (action: { self.meter.connect() } ) { Text("Connect") }
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} else {
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Button (action: { self.meter.disconnect() } ) { Text("Disconnect") }
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} |
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} |
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.padding() |
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.background(RoundedRectangle(cornerRadius: 20).foregroundColor(buttonColor).opacity(0.1)) |
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.frame(maxWidth: .greatestFiniteMagnitude) |
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} |
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} |
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} |
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fileprivate func meterSheetButton(icon: String, title: String, action: @escaping () -> Void) -> some View {
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Button(action: action) {
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VStack {
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Image(systemName: icon) |
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Text(title) |
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} |
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} |
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} |
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} |