mirror of
https://gitee.com/ant-design-blazor/ant-design-blazor.git
synced 2024-12-05 05:27:37 +08:00
263 lines
7.4 KiB
C#
263 lines
7.4 KiB
C#
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using Microsoft.AspNetCore.Components;
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using OneOf;
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using System;
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using System.Globalization;
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using System.Linq;
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using System.Threading.Tasks;
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namespace AntBlazor
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{
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/// <summary>
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/// Small numerical value or status descriptor for UI elements.
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/// </summary>
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public partial class Badge : AntDomComponentBase
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{
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/// <summary>
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/// Customize Badge dot color
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/// </summary>
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[Parameter]
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public string Color { get; set; }
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/// <summary>
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/// Number to show in badge
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/// </summary>
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[Parameter]
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public OneOf<int?, RenderFragment> Count { get; set; }
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/// <summary>
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/// Whether to display a red dot instead of count
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/// </summary>
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[Parameter]
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public bool Dot { get; set; }
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/// <summary>
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/// Set offset of the badge dot, like[x, y]
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/// </summary>
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[Parameter]
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public Tuple<int, int> Offset { get; set; }
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/// <summary>
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/// Max count to show
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/// </summary>
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[Parameter]
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public int OverflowCount { get; set; } = 99;
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[Parameter]
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public bool ShowDot { get; set; } = true;
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/// <summary>
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/// Whether to show badge when count is zero
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/// </summary>
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[Parameter]
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public bool ShowZero { get; set; } = false;
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/// <summary>
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/// Set Badge as a status dot
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/// </summary>
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[Parameter]
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public string Status { get; set; }
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/// <summary>
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/// If status is set, text sets the display text of the status dot
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/// </summary>
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[Parameter]
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public string Text { get; set; }
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/// <summary>
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/// Text to show when hovering over the badge
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/// </summary>
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[Parameter]
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public string Title { get; set; }
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/// <summary>
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/// Wrapping this item.
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/// </summary>
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[Parameter]
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public RenderFragment ChildContent { get; set; }
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private int? CountNumber { get; set; }
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private RenderFragment CountTemplate { get; set; }
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private ClassMapper CountClassMapper { get; set; } = new ClassMapper();
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private int[] _countArray = Array.Empty<int>();
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private readonly int[] _countSingleArray = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
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private char[] _maxNumberArray = Array.Empty<char>();
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private string StatusOrPresetColor => Status.IsIn(_badgeStatusTypes) ? Status : PresetColor;
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private string PresetColor => Color.IsIn(_badgePresetColors) ? Color : null;
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private bool HasStatusOrColor => !string.IsNullOrWhiteSpace(Status) || !string.IsNullOrWhiteSpace(Color);
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private string CountStyle => Offset == default ? null : $"{(Offset.Item1 > 0 ? $"right:-{Offset.Item1}px" : "")};{(Offset.Item2 > 0 ? $"margin-top:{Offset.Item2}px" : "")};";
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private bool ShowSup => (this.ShowDot && this.Dot) || this.CountNumber > 0 ||
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(this.CountNumber == 0 && this.ShowZero);
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private bool _dotEnter;
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private bool _dotLeave;
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private bool _showSup;
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/// <summary>
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/// Sets the default CSS classes.
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/// </summary>
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private void SetClassMap()
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{
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var prefixName = "ant-badge";
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ClassMapper.Clear()
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.Add(prefixName)
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.If($"{prefixName}-status", () => !string.IsNullOrEmpty(Status) || !string.IsNullOrEmpty(Color))
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.If($"{prefixName}-not-a-wrapper", () => ChildContent == null)
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;
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CountClassMapper.Clear()
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.Add("ant-scroll-number")
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.If($"{prefixName}-count", () => !Dot)
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.If($"{prefixName}-dot", () => Dot)
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.If($"{prefixName}-multiple-words", () => _countArray.Length >= 2)
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.If($"{prefixName}-zoom-enter {prefixName}-zoom-enter-active", () => _dotEnter)
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.If($"{prefixName}-zoom-leave {prefixName}-zoom-leave-active", () => _dotLeave)
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;
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}
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/// <summary>
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/// Startup code
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/// </summary>
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protected override void OnInitialized()
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{
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base.OnInitialized();
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if (!string.IsNullOrEmpty(Color) && !string.IsNullOrEmpty(Status))
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throw new ArgumentException($"You cannot provide a {nameof(Status)} and a {nameof(Color)}, choose one.");
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GenerateMaxNumberArray();
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SetClassMap();
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}
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public override async Task SetParametersAsync(ParameterView parameters)
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{
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var showSupBefore = ShowSup;
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var beforeDot = Dot;
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var delayDot = false;
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await base.SetParametersAsync(parameters);
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if (showSupBefore != ShowSup)
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{
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if (ShowSup)
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{
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_dotEnter = true;
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if (!beforeDot && Dot)
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{
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Dot = true;
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}
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_showSup = true;
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await Task.Delay(200);
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_dotEnter = false;
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}
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else
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{
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_dotLeave = true;
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if (beforeDot && !Dot)
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{
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delayDot = true;
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Dot = true;
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}
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await Task.Delay(200);
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_dotLeave = false;
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_showSup = false;
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if (delayDot)
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{
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Dot = false;
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}
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}
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}
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}
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/// <summary>
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/// Runs every time a parameter is set.
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/// </summary>
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protected override void OnParametersSet()
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{
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base.OnParametersSet();
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SetClassMap();
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Count.Switch(count =>
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{
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this.CountNumber = count;
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if (count != null)
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{
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this._countArray = DigitsFromInteger(count.Value);
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}
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}, template =>
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{
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this.CountTemplate = template;
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});
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if (OverflowCount > 0)
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{
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GenerateMaxNumberArray();
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}
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}
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private void GenerateMaxNumberArray()
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{
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this._maxNumberArray = OverflowCount.ToString(CultureInfo.InvariantCulture).ToCharArray();
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}
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private static int[] DigitsFromInteger(int number)
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{
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var n = Math.Abs(number);
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var length = (int)Math.Log10(n > 0 ? n : 1) + 1;
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var digits = new int[length];
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for (var i = 0; i < length; i++)
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{
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digits[(length - i) - 1] = n % 10;
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n /= 10;
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}
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if (n < 0)
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digits[0] *= -1;
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return digits;
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}
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private readonly string[] _badgePresetColors =
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{
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"pink",
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"red",
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"yellow",
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"orange",
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"cyan",
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"green",
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"blue",
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"purple",
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"geekblue",
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"magenta",
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"volcano",
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"gold",
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"lime"
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};
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private readonly string[] _badgeStatusTypes =
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{
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"success",
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"processing",
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"default",
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"error",
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"warning"
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};
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}
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}
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