Connected.Components/Components/Dialog/DialogParameters.cs

// Copyright (c) 2019 - Blazored
// Copyright (c) 2020 - Adaptations by Jonny Larsson and Meinrad Recheis

using System.Collections;

namespace Connected.Components;

public class DialogParameters : IEnumerable<KeyValuePair<string, object>>
{
   internal Dictionary<string, object> _parameters;

   public DialogParameters()
   {
      _parameters = new Dictionary<string, object>();
   }

   public void Add(string parameterName, object value)
   {
      _parameters[parameterName] = value;
   }

   public T Get<T>(string parameterName)
   {
      if (_parameters.TryGetValue(parameterName, out var value))
      {
         return (T)value;
      }

      throw new KeyNotFoundException($"{parameterName} does not exist in Dialog parameters");
   }

   public T TryGet<T>(string parameterName)
   {
      if (_parameters.TryGetValue(parameterName, out var value))
      {
         return (T)value;
      }

      return default;
   }

   public int Count =>
       _parameters.Count;

   public object this[string parameterName]
   {
      get => Get<object>(parameterName);
      set => _parameters[parameterName] = value;
   }

   public IEnumerator<KeyValuePair<string, object>> GetEnumerator()
   {
      return _parameters.GetEnumerator();
   }

   IEnumerator IEnumerable.GetEnumerator()
   {
      return _parameters.GetEnumerator();
   }
}