108 lines
3.5 KiB
C#
108 lines
3.5 KiB
C#
using System.Collections.Generic;
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namespace OpenNest.Diagnostics;
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public enum OverlapDisplayMode { Off, Areas, Centroids, Both }
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public enum OverlapCheckStatus { NotChecked, Checking, Current, Incomplete, Failed, Canceled, Stale }
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/// <summary>UI-thread lifecycle policy, independent of workers, GDI and view transforms.</summary>
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public sealed class OverlapReportState
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{
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private OverlapGeometryStamp stamp;
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private int uncheckedPartCount;
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public long Generation { get; private set; }
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public OverlapCheckStatus Status { get; private set; } = OverlapCheckStatus.NotChecked;
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public OverlapDisplayMode DisplayMode { get; set; } = OverlapDisplayMode.Areas;
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public PlateOverlapReport Report { get; private set; }
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public bool IsRunning => Status == OverlapCheckStatus.Checking;
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public string Message => Status switch
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{
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OverlapCheckStatus.Checking => "Checking overlaps…",
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OverlapCheckStatus.Current => Report.Pairs.Count == 0
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? "No material overlaps detected" : $"Overlaps: {Report.Pairs.Count} pairs",
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OverlapCheckStatus.Incomplete => $"Overlap check incomplete: {Report.Pairs.Count} overlapping pairs; "
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+ $"{uncheckedPartCount} parts could not be checked",
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OverlapCheckStatus.Failed => "Overlap check failed — run Check Overlaps again",
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OverlapCheckStatus.Canceled => "Overlap check canceled",
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OverlapCheckStatus.Stale => "Overlap check out of date — run Check Overlaps again",
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_ => "Overlaps: not checked"
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};
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public long Begin(Plate plate)
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{
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Clear(OverlapCheckStatus.Checking);
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stamp = OverlapGeometryStamp.Capture(plate);
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if (DisplayMode == OverlapDisplayMode.Off)
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DisplayMode = OverlapDisplayMode.Areas;
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return Generation;
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}
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public bool TryPublish(long generation, Plate plate, PlateOverlapReport report)
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{
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if (!CanComplete(generation, plate))
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return false;
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Report = report;
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uncheckedPartCount = CountUncheckedParts(report.Issues);
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Status = report.IsComplete ? OverlapCheckStatus.Current : OverlapCheckStatus.Incomplete;
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return true;
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}
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public bool TryFail(long generation, Plate plate)
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{
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if (!CanComplete(generation, plate))
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return false;
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Clear(OverlapCheckStatus.Failed);
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return true;
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}
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private bool CanComplete(long generation, Plate plate) =>
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generation == Generation && IsRunning && EnsureFresh(plate);
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public bool EnsureFresh(Plate plate)
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{
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if (stamp == null)
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return false;
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if (stamp.Matches(plate))
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return true;
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Invalidate();
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return false;
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}
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public void Invalidate()
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{
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if (Status is OverlapCheckStatus.Checking or OverlapCheckStatus.Current or OverlapCheckStatus.Incomplete)
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Clear(OverlapCheckStatus.Stale);
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}
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public void Cancel()
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{
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if (IsRunning)
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Clear(OverlapCheckStatus.Canceled);
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}
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public void Reset() => Clear(OverlapCheckStatus.NotChecked);
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private void Clear(OverlapCheckStatus status)
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{
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Generation++;
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Report = null;
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uncheckedPartCount = 0;
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stamp = null;
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Status = status;
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}
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public static int CountUncheckedParts(IEnumerable<PlateOverlapIssue> issues)
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{
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var ids = new HashSet<int>();
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foreach (var issue in issues)
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{
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ids.Add(issue.PartAId);
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if (issue.PartBId.HasValue)
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ids.Add(issue.PartBId.Value);
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}
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return ids.Count;
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}
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}
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