37 lines
2.1 KiB
C#
37 lines
2.1 KiB
C#
using Autodesk.AutoCAD.DatabaseServices;
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using Autodesk.AutoCAD.Geometry;
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using Autodesk.ProcessPower.DataLinks;
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using PRecAnnot.Abstractions;
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namespace PRecAnnot.Plant3D2026;
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// Converts an explicit AutoCAD selection to the small, AutoCAD-free candidate
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// used by the line-number preview. It deliberately performs no DataLinks or
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// DWG write and reports unavailable Plant mappings as typed failures.
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internal sealed class PlantLineNumberCandidateReader(DataLinksManager dataLinks)
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{
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public LineNumberCandidateReadResult Read(ObjectId selectedId, string layer, string textStyle)
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{
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if (selectedId.IsNull || !selectedId.IsValid) return new(false, null, "LINE_NUMBER_SELECTION_INVALID");
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if (string.IsNullOrWhiteSpace(layer) || string.IsNullOrWhiteSpace(textStyle)) return new(false, null, "LINE_NUMBER_ASSET_CONTRACT_INVALID");
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try
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{
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var rowId = dataLinks.FindAcPpRowId(selectedId);
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if (rowId <= 0) return new(false, null, "LINE_NUMBER_DATALINKS_ROW_NOT_FOUND");
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var database = selectedId.Database;
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using var transaction = database.TransactionManager.StartOpenCloseTransaction();
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if (transaction.GetObject(selectedId, OpenMode.ForRead) is not Entity entity) return new(false, null, "LINE_NUMBER_SELECTION_NOT_ENTITY");
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var extents = entity.GeometricExtents;
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var center = new Point3d(
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(extents.MinPoint.X + extents.MaxPoint.X) / 2d,
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(extents.MinPoint.Y + extents.MaxPoint.Y) / 2d,
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(extents.MinPoint.Z + extents.MaxPoint.Z) / 2d);
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transaction.Commit();
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return new(true, new($"acad:{selectedId.Handle}", rowId, new(center.X, center.Y, center.Z), 0, layer, textStyle, new Dictionary<string, string?>()));
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}
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catch (Autodesk.AutoCAD.Runtime.Exception) { return new(false, null, "LINE_NUMBER_SELECTION_GEOMETRY_UNAVAILABLE"); }
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catch (DLException) { return new(false, null, "LINE_NUMBER_DATALINKS_ROW_NOT_FOUND"); }
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catch (Exception) { return new(false, null, "LINE_NUMBER_CANDIDATE_READ_FAILED"); }
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}
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}
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