36 lines
1.1 KiB
C#
36 lines
1.1 KiB
C#
using System;
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using System.Collections.Generic;
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namespace OpenNest
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{
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/// <summary>
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/// Wraps an IProgress to prepend previously placed parts to each report,
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/// so the UI shows the full picture during incremental fills.
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/// </summary>
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internal class AccumulatingProgress : IProgress<NestProgress>
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{
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private readonly IProgress<NestProgress> inner;
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private readonly List<Part> previousParts;
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public AccumulatingProgress(IProgress<NestProgress> inner, List<Part> previousParts)
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{
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this.inner = inner;
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this.previousParts = previousParts;
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}
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public void Report(NestProgress value)
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{
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if (value.BestParts != null && previousParts.Count > 0)
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{
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var combined = new List<Part>(previousParts.Count + value.BestParts.Count);
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combined.AddRange(previousParts);
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combined.AddRange(value.BestParts);
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value.BestParts = combined;
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value.BestPartCount = combined.Count;
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}
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inner.Report(value);
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}
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}
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}
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