mattercontrol/original/MatterControl.Printing/MappingClasses/AsPercentOfReferenceOrDirect.cs

/*
Copyright (c) 2019, Lars Brubaker, John Lewin
All rights reserved.

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   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

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*/

namespace MatterHackers.MatterControl.SlicerConfiguration.MappingClasses
{
    public class AsPercentOfReferenceOrDirect : ValueConverter
	{
		private readonly bool change0ToReference;
		private readonly double scale;

		public AsPercentOfReferenceOrDirect(string referencedSetting, double scale = 1, bool change0ToReference = true)
		{
			this.change0ToReference = change0ToReference;
			this.scale = scale;
			this.ReferencedSetting = referencedSetting;
		}

		public string ReferencedSetting { get; }

		public override string Convert(string value, PrinterSettings settings)
		{
			double finalValue = 0;

			if (value.Contains("%"))
			{
				string withoutPercent = value.Replace("%", "");
				double ratio = ParseDouble(withoutPercent) / 100.0;
				string originalReferenceString = settings.GetValue(this.ReferencedSetting);
				double valueToModify = ParseDouble(originalReferenceString);
				finalValue = valueToModify * ratio;
			}
			else
			{
				finalValue = ParseDouble(value);
			}

			if (change0ToReference
				&& finalValue == 0)
			{
				finalValue = ParseDouble(settings.GetValue(ReferencedSetting));
			}

			finalValue *= scale;

			return finalValue.ToString();
		}
	}
}