1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Threading.Tasks;
6 using Autodesk.Revit.Attributes;
7 using Autodesk.Revit.DB;
8 using Autodesk.Revit.UI;
9 using Autodesk.Revit.DB.Architecture;
10
11
12 namespace CreateStairs
13 {
14 [Transaction(TransactionMode.Manual)]
15 public class Class1:IExternalCommand
16 {
17 public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
18 {
19 Document doc = commandData.Application.ActiveUIDocument.Document;
20 Transaction trans = new Transaction(doc,"new level");
21 trans.Start();
22 Level blvl = Level.Create(doc, 0);
23 Level tlvl = Level.Create(doc, 2);
24 trans.Commit();
25 CreateStairs(doc, blvl, tlvl);
26 return Result.Succeeded;
27 }
28 private ElementId CreateStairs(Document document, Level levelBottom, Level levelTop)
29 {
30 ElementId newStairsId = null;
31 using (StairsEditScope newStairsScope = new StairsEditScope(document, "New Stairs"))
32 {
33 newStairsId = newStairsScope.Start(levelBottom.Id, levelTop.Id);
34 using (Transaction stairsTrans = new Transaction(document, "Add Runs and Landings to Stairs"))
35 {
36 stairsTrans.Start();
37
38 // Create a sketched run for the stairs
39 IList<Curve> bdryCurves = new List<Curve>();
40 IList<Curve> riserCurves = new List<Curve>();
41 IList<Curve> pathCurves = new List<Curve>();
42 XYZ pnt1 = new XYZ(0, 0, 0);
43 XYZ pnt2 = new XYZ(15, 0, 0);
44 XYZ pnt3 = new XYZ(0, 10, 0);
45 XYZ pnt4 = new XYZ(15, 10, 0);
46 // boundaries
47 bdryCurves.Add(Line.CreateBound(pnt1, pnt2));
48 bdryCurves.Add(Line.CreateBound(pnt3, pnt4));
49 // riser curves
50 const int riserNum = 20;
51 for (int ii = 0; ii <= riserNum; ii++)
52 {
53 XYZ end0 = (pnt1 + pnt2) * ii / (double)riserNum;
54 XYZ end1 = (pnt3 + pnt4) * ii / (double)riserNum;
55 XYZ end2 = new XYZ(end1.X, 10, 0);
56 riserCurves.Add(Line.CreateBound(end0, end2));
57 }
58
59 //stairs path curves
60 XYZ pathEnd0 = (pnt1 + pnt3) / 2.0;
61 XYZ pathEnd1 = (pnt2 + pnt4) / 2.0;
62 pathCurves.Add(Line.CreateBound(pathEnd0, pathEnd1));
63 StairsRun newRun1 = StairsRun.CreateSketchedRun(document, newStairsId, levelBottom.Elevation, bdryCurves, riserCurves, pathCurves);
64 // Add a straight run
65 Line locationLine = Line.CreateBound(new XYZ(20, -5, newRun1.TopElevation), new XYZ(35, -5, newRun1.TopElevation));
66 StairsRun newRun2 = StairsRun.CreateStraightRun(document, newStairsId, locationLine, StairsRunJustification.Center);
67 newRun2.ActualRunWidth = 10;
68 // Add a landing between the runs
69 CurveLoop landingLoop = new CurveLoop();
70 XYZ p1 = new XYZ(15, 10, 0);
71 XYZ p2 = new XYZ(20, 10, 0);
72 XYZ p3 = new XYZ(20, -10, 0);
73 XYZ p4 = new XYZ(15, -10, 0);
74 Line curve_1 = Line.CreateBound(p1, p2);
75 Line curve_2 = Line.CreateBound(p2, p3);
76 Line curve_3 = Line.CreateBound(p3, p4);
77 Line curve_4 = Line.CreateBound(p4, p1);
78 landingLoop.Append(curve_1);
79 landingLoop.Append(curve_2);
80 landingLoop.Append(curve_3);
81 landingLoop.Append(curve_4);
82 StairsLanding newLanding = StairsLanding.CreateSketchedLanding(document, newStairsId, landingLoop, newRun1.TopElevation);
83 stairsTrans.Commit();
84 }
85 // A failure preprocessor is to handle possible failures during the edit mode commitment process.
86 newStairsScope.Commit(new FailuresPreprocessor());//new StairsFailurePreprocessor());
87 }
88 return newStairsId;
89 }
90
91 }
92 public class FailuresPreprocessor : IFailuresPreprocessor
93 {
94 public FailureProcessingResult PreprocessFailures(FailuresAccessor failuresAccessor)
95 {
96 IList<FailureMessageAccessor> listFma = failuresAccessor.GetFailureMessages();
97 if (listFma.Count == 0)
98 return FailureProcessingResult.Continue;
99 foreach (FailureMessageAccessor fma in listFma)
100 {
101 if (fma.GetSeverity() == FailureSeverity.Error)
102 {
103 if (fma.HasResolutions())
104 failuresAccessor.ResolveFailure(fma);
105 }
106 if (fma.GetSeverity() == FailureSeverity.Warning)
107 {
108 failuresAccessor.DeleteWarning(fma);
109 }
110 }
111 return FailureProcessingResult.ProceedWithCommit;
112 }
113 }
114 }
