icon select

Billing.Shared/Views/IconSelectPage.xaml.cs

@@ -0,0 +1,80 @@
+using Billing.Models;
+using Billing.UI;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Xamarin.Forms;
+
+namespace Billing.Views
+{
+    public partial class IconSelectPage : BillingPage
+    {
+        public static readonly BindableProperty IconsSourceProperty = BindableProperty.Create(nameof(IconsSource), typeof(IList<BillingIcon>), typeof(IconSelectPage));
+
+        public IList<BillingIcon> IconsSource
+        {
+            get => (IList<BillingIcon>)GetValue(IconsSourceProperty);
+            set => SetValue(IconsSourceProperty, value);
+        }
+
+        public Command IconCheck { get; }
+
+        public event EventHandler<string> IconChecked;
+
+        private string iconChecked;
+
+        public IconSelectPage(string icon)
+        {
+            iconChecked = icon;
+            IconCheck = new Command(OnIconCheck);
+
+            InitializeComponent();
+
+            InitIcons();
+        }
+
+        private void InitIcons()
+        {
+            var source = new List<BillingIcon>
+            {
+                new() { Icon = BaseModel.ICON_DEFAULT },
+                new() { Icon = "wallet" }
+            };
+            source.AddRange(IconConverter.IconPreset.Select(icon => new BillingIcon { Icon = $"#brand#{icon.Key}" }));
+            foreach (var icon in source)
+            {
+                if (icon.Icon == iconChecked)
+                {
+                    icon.IsChecked = true;
+                }
+            }
+            IconsSource = source;
+        }
+
+        private async void OnIconCheck(object o)
+        {
+            if (o is string icon)
+            {
+                foreach (var ic in IconsSource)
+                {
+                    ic.IsChecked = ic.Icon == icon;
+                }
+                iconChecked = icon;
+                IconChecked?.Invoke(this, icon);
+                await Navigation.PopAsync();
+            }
+        }
+    }
+
+    public class BillingIcon : BindableObject
+    {
+        public static readonly BindableProperty IsCheckedProperty = BindableProperty.Create(nameof(IsChecked), typeof(bool), typeof(BillingIcon));
+
+        public bool IsChecked
+        {
+            get => (bool)GetValue(IsCheckedProperty);
+            set => SetValue(IsCheckedProperty, value);
+        }
+        public string Icon { get; set; }
+    }
+}