132 lines
3.4 KiB
C#
132 lines
3.4 KiB
C#
using Autodesk.Revit.DB;
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using Autodesk.Revit.UI.Selection;
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namespace Sai.Toolkit.Revit.Helpers;
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/// <summary>
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/// 任意选择过滤器
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/// </summary>
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public class FuncFilter(Func<Element, bool> allowElement, Func<Reference, XYZ, bool> allowReference = null)
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: ISelectionFilter
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{
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private readonly Func<Element, bool> elementFunc = allowElement;
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private readonly Func<Reference, XYZ, bool> referenceFunc = allowReference;
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public bool AllowElement(Element elem)
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{
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return elementFunc(elem);
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}
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public bool AllowReference(Reference reference, XYZ position)
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{
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return referenceFunc == null || referenceFunc(reference, position);
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}
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}
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/// <summary>
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/// 类型过滤
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/// </summary>
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/// <typeparam name="T"></typeparam>
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public class GenericFilter<T> : ISelectionFilter
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{
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public bool AllowElement(Element elem)
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{
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return elem is T;
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}
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public bool AllowReference(Reference reference, XYZ position)
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{
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return true;
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}
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}
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/// <summary>
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/// 获取当前模型或链接模型的实体元素
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/// </summary>
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public class ElementInLinkOrCurrentDocument : ISelectionFilter
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{
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public ElementInLinkOrCurrentDocument(Document doc)
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{
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this.doc = doc;
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}
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private readonly Document doc;
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public bool LastCheckedWasFromLink => null != LinkedDocument;
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public Document LinkedDocument { get; private set; }
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public bool AllowElement(Element e)
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{
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return true;
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}
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public bool AllowReference(Reference r, XYZ p)
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{
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LinkedDocument = null;
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var e = doc.GetElement(r);
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if (e is RevitLinkInstance li)
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{
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LinkedDocument = li.GetLinkDocument();
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e = LinkedDocument.GetElement(r.LinkedElementId);
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}
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return e != null
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&& e.CanHaveTypeAssigned()
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&& e.HasPhases()
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&& e.get_BoundingBox(null) != null
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&& e.Category is { Parent: null }
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&& e is not Panel;
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}
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}
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public class DwgBlockSelection : ISelectionFilter
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{
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private Element e;
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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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//块
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var instance = e.GetGeometryObjectFromReference(reference) as GeometryInstance;
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if (instance == null)
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{
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return false;
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}
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////dwg
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//foreach (var dwgIns in e.get_Geometry(new Options()))
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//{
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// if (dwgIns is not GeometryInstance item) continue;
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// //遍历dwg包含的所有内容
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// foreach (var obj in item.SymbolGeometry)
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// {
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// return obj is GeometryInstance ins && !ins.SymbolGeometry.Any();
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// }
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//}
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//if (selectBlock == null)
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//{
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// return false;
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//}
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//块是否包含子块
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//foreach (var item in instance.SymbolGeometry)
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//{
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// if (item is GeometryInstance)
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// {
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// return false;
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// }
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//}
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//var isNest = selectBlock.SymbolGeometry.OfType<GeometryInstance>().Any();
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return /*!isNest &&*/ reference.ElementReferenceType == ElementReferenceType.REFERENCE_TYPE_INSTANCE
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&& instance.GraphicsStyleId != ElementId.InvalidElementId;
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}
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}
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