38 lines
1.6 KiB
C#
38 lines
1.6 KiB
C#
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using Autodesk.Revit.DB;
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using Autodesk.Revit.UI.Selection;
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namespace ShrlAlgoToolkit.Revit.Assists;
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/// <summary>
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/// <c>
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/// dwg元素选择过滤，ObjectType.PointOnElement，默认选择块，选择曲线使用 ElementReferenceType.REFERENCE_TYPE_LINEAR
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/// var dwgElemSelection = new DwgElementSelection(ElementReferenceType.REFERENCE_TYPE_LINEAR);
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/// var refer = UiDocument.Selection.PickObject(Autodesk.Revit.UI.Selection.ObjectType.PointOnElement, dwgElemSelection);
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/// Element elem = Document.GetElement(refer);
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/// GeometryElement geoElem = elem.get_Geometry(new Options());
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/// GeometryObject geoObj = elem.GetGeometryObjectFromReference(refer);
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/// 图层：(Document.GetElement(geoObj.GraphicsStyleId) as GraphicsStyle).GraphicsStyleCategory.Name
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/// 元素类型：geoObj?.GetType().Name
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/// </c>
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/// </summary>
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public class DwgElementSelection : ISelectionFilter
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{
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private readonly ElementReferenceType elementReferenceType;
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private Element e;
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public GeometryObject SelectedElement { get; private set; }
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public DwgElementSelection(ElementReferenceType elementReferenceType = ElementReferenceType.REFERENCE_TYPE_INSTANCE)
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{ this.elementReferenceType = elementReferenceType; }
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public bool AllowElement(Element elem)
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{
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e = elem;
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return e.Document.GetElement(e.GetTypeId()) is CADLinkType;
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}
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public bool AllowReference(Reference reference, XYZ position)
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{
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return reference.ElementReferenceType == elementReferenceType &&
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e.GetGeometryObjectFromReference(reference).GraphicsStyleId != ElementId.InvalidElementId;
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}
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}
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