Version 3.0.337

ShareeSharedGuiLib/ViewModel/Bar.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace ShareeSharedGuiLib.ViewModel
+{
+    public enum ChargingState
+    {
+        Loaded,
+        Empty
+    }
+
+    public class Bar
+    {
+        public Bar(ChargingState? state = null)
+        {
+            State = state;
+        }
+
+        /// <summary>
+        /// Gets a value indicating whether bar is charged or not. Null if state is unknown.
+        /// </summary>
+        public ChargingState? State { get; private set; } = null;
+
+        public string Text
+        {
+            get
+            {
+                if (State == null)
+                    return string.Empty;
+
+                return State == ChargingState.Loaded ? " +  " : " - ";
+            }
+
+        }
+    }
+}

ShareeSharedGuiLib/ViewModel/BarLevelInputViewModel.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Text;
+using System.Windows.Input;
+using Xamarin.Forms;
+
+namespace ShareeSharedGuiLib.ViewModel
+{
+    /// <summary>
+    /// Bar based filling level view which shows filling level and allows to edit this level.
+    /// </summary>
+    public class BarLevelInputViewModel : INotifyPropertyChanged
+    {
+        public new event PropertyChangedEventHandler PropertyChanged;
+
+        public int? _Maximum = null;
+
+        public int? Maximum
+        {
+            get => _Maximum;
+            set
+            {
+                if (_Maximum == value)
+                {
+                    // Nothing to do because nothing changed.
+                    return;
+                }
+
+                _Maximum = value;
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(MaximumText)));
+            }
+        }
+
+        public string MaximumText => Maximum != null
+            ? Maximum.Value.ToString()
+            : string.Empty;
+
+        public int? _Current = null;
+
+        public int? Current
+        {
+            get => _Current;
+            set
+            {
+                if (_Current == value)
+                {
+                    // Nothing to do because nothing changed.
+                    return;
+                }
+
+                _Current = value;
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(Current)));
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(CurrentText)));
+            }
+        }
+
+        public string CurrentText
+        {
+            get => Current != null
+            ? Current.Value.ToString()
+            : string.Empty;
+
+            set => Current = int.TryParse(value, out int newCurrent) ? (int?)newCurrent : null;
+        }
+    }
+}

ShareeSharedGuiLib/ViewModel/BarLevelViewModel.cs

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+using System.ComponentModel;
+using TINK.MultilingualResources;
+
+namespace ShareeSharedGuiLib.ViewModel
+{
+    /// <summary>
+    /// Bar based filling level indicator view.
+    /// </summary>
+    public class BarLevelViewModel : INotifyPropertyChanged
+    {
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        public int? _Maximum = null;
+
+        /// <summary>
+        /// Holds the maximum count of bars.
+        /// </summary>
+        public int? Maximum
+        {
+            get => _Maximum;
+            set
+            {
+                if (_Maximum == value)
+                {
+                    // Nothing to do because nothing changed.
+                    return;
+                }
+
+                _Maximum = value;
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(IsBatteryChargeLevelLabelVisible)));
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(BatteryChargeLevelBarsText)));
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(BatteryChargeLevelImageSourceString)));
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(IsBatteryChargeLevelImageVisible)));
+            }
+        }
+
+        public int? _Current = null;
+
+        /// <summary>
+        /// Holds the current count of bars.
+        /// </summary>
+        public int? Current
+        {
+            get => _Current;
+            set
+            {
+                if (_Current == value)
+                {
+                    // Nothing to do because nothing changed.
+                    return;
+                }
+
+                _Current = value;
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(IsBatteryChargeLevelLabelVisible)));
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(BatteryChargeLevelBarsText)));
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(BatteryChargeLevelImageSourceString)));
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(IsBatteryChargeLevelImageVisible)));
+            }
+        }
+
+        /// <summary>
+        /// Gets the battery filling level or pedelecs.
+        /// </summary>
+        public string BatteryChargeLevelBarsText => Maximum != null
+            ? string.Format(
+                AppResources.MarkingDriveBatteryChargingLevel,
+                Current != null ? Current.ToString() : "-",
+                Maximum != null ? Maximum.ToString() : "-")
+            : AppResources.MarkingDriveBatteryChargingLevelNotAvailable;
+
+        /// <summary>
+        /// Gets a value indicating whether battery label is visible or not.
+        /// </summary>
+        public bool IsBatteryChargeLevelLabelVisible => Maximum.HasValue && Maximum.Value != 5;
+
+        /// <summary>
+        /// Gets name of battery image ressource.
+        /// </summary>
+        public string BatteryChargeLevelImageSourceString => Current.HasValue && Maximum.HasValue && Maximum.Value == 5
+            ? $"battery_{Current.Value}_{Maximum.Value}.png"
+            : "battery_undefined.png";
+
+        /// <summary>
+        /// Gets a value indicating whether battery image is visible or not.
+        /// </summary>
+        public bool IsBatteryChargeLevelImageVisible => Maximum.HasValue && Maximum.Value == 5;
+
+    }
+}