DisplayableParameters.cs

using System;
using System.Collections.Generic;
using Waher.Things.DisplayableParameters;
 
namespace Waher.Client.WPF.Model
{
    public class DisplayableParameters
    {
        private readonly Dictionary<string, Parameter> parameters = new Dictionary<string, Parameter>();
        private Parameter[] ordered;
 
        public DisplayableParameters(Parameter[] Parameters)
        {
            this.ordered = Parameters;
            this.AddRange(Parameters);
        }
 
        public void Add(Parameter Parameter)
        {
            this.parameters[Parameter.Id] = Parameter;
            this.ordered = null;
        }
 
        public void AddRange(IEnumerable<Parameter> Parameters)
        {
            foreach (Parameter P in Parameters)
                this.parameters[P.Id] = P;
 
            this.ordered = null;
        }
 
        public Parameter[] Ordered
        {
            get
            {
                if (this.ordered is null)
                {
                    Parameter[] Ordered = new Parameter[this.parameters.Count];
                    this.parameters.Values.CopyTo(Ordered, 0);
                    this.ordered = Ordered;
                }
 
                return this.ordered;
            }
        }
 
        public string this[string ParameterId]
        {
            get
            {
                if (this.parameters.TryGetValue(ParameterId, out Parameter Parameter))
                    return Parameter.UntypedValue?.ToString() ?? string.Empty;
                else
                    return string.Empty;
            }
        }
    }
}