RevitSdkSamples/snapshot/2012/SDK/Samples/AreaReinParameters/CS/AreaReinParameters.cs

//
// (C) Copyright 2003-2011 by Autodesk, Inc.
//
// Permission to use, copy, modify, and distribute this software in
// object code form for any purpose and without fee is hereby granted,
// provided that the above copyright notice appears in all copies and
// that both that copyright notice and the limited warranty and
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// documentation.
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// DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE
// UNINTERRUPTED OR ERROR FREE.
//
// Use, duplication, or disclosure by the U.S. Government is subject to
// restrictions set forth in FAR 52.227-19 (Commercial Computer
// Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii)
// (Rights in Technical Data and Computer Software), as applicable.
//


namespace Revit.SDK.Samples.AreaReinParameters.CS
{
    using System;
    using System.Collections.Generic;
    using System.Text;
    using System.Collections;
    using System.Windows.Forms;

    using Autodesk.Revit;
    using Autodesk.Revit.DB;
    using Autodesk.Revit.UI;
    using Autodesk.Revit.DB.Structure;

    /// <summary>
    /// Entry point and main command class
    /// </summary>
    [Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Automatic)]
   [Autodesk.Revit.Attributes.Regeneration(Autodesk.Revit.Attributes.RegenerationOption.Manual)]
    [Autodesk.Revit.Attributes.Journaling(Autodesk.Revit.Attributes.JournalingMode.NoCommandData)]
    class Command : IExternalCommand
    {
        static ExternalCommandData m_commandData;
        static Hashtable m_hookTypes;
        static Hashtable m_barTypes;
        AreaReinforcement m_areaRein;

        /// <summary>
        /// Implement this method as an external command for Revit.
        /// </summary>
        /// <param name="commandData">An object that is passed to the external application 
        /// which contains data related to the command, 
        /// such as the application object and active view.</param>
        /// <param name="message">A message that can be set by the external application 
        /// which will be displayed if a failure or cancellation is returned by 
        /// the external command.</param>
        /// <param name="elements">A set of elements to which the external application 
        /// can add elements that are to be highlighted in case of failure or cancellation.</param>
        /// <returns>Return the status of the external command. 
        /// A result of Succeeded means that the API external method functioned as expected. 
        /// Cancelled can be used to signify that the user cancelled the external operation 
        /// at some point. Failure should be returned if the application is unable to proceed with 
        /// the operation.</returns>
    public Autodesk.Revit.UI.Result Execute(
      ExternalCommandData revit,
      ref string message,
      ElementSet elements )
    {
      m_commandData = revit;
      if( !PreData() )
      {
        message = "Please select only one AreaReinforcement and ";
        message += "make sure there are Hook Types and Bar Types in current project.";
        return Autodesk.Revit.UI.Result.Failed;
      }

      IAreaReinData data = new WallAreaReinData();
      if( !data.FillInData( m_areaRein ) )
      {
          data = new FloorAreaReinData();
          if( !data.FillInData( m_areaRein ) )
          {
              message = "Failed to get properties of selected AreaReinforcement.";
              return Autodesk.Revit.UI.Result.Failed;
          }
      }

      AreaReinParametersForm form = new AreaReinParametersForm( data );
      if( form.ShowDialog() == DialogResult.Cancel )
      {
        return Autodesk.Revit.UI.Result.Cancelled;
      }

      return Autodesk.Revit.UI.Result.Succeeded;
    }

    /// <summary>
    /// it is convenient for other class to get
    /// </summary>
    public static ExternalCommandData CommandData
    {
      get
      {
        return m_commandData;
      }
    }

    /// <summary>
    /// all hook types in current project
    /// it is static because of IConverter limitation
    /// </summary>
    public static Hashtable HookTypes
    {
      get
      {
        return m_hookTypes;
      }
    }

    /// <summary>
    /// all hook types in current project
    /// it is static because of IConverter limitation
    /// </summary>
    public static Hashtable BarTypes
    {
      get
      {
        return m_barTypes;
      }
    }

    /// <summary>
    /// check whether the selected is expected, find all hooktypes in current project
    /// </summary>
    /// <param name="selected">selected elements</param>
    /// <returns>whether the selected AreaReinforcement is expected</returns>
    private bool PreData()
    {
      ElementSet selected = m_commandData.Application.ActiveUIDocument.Selection.Elements;

      //selected is not only one AreaReinforcement
      if( selected.Size != 1 )
      {
        return false;
      }
      foreach( Object o in selected )
      {
        m_areaRein = o as AreaReinforcement;
      }
      if( null == m_areaRein )
      {
        return false;
      }

      //make sure hook type and bar type exist in current project and get them
      m_hookTypes = new Hashtable();
      m_barTypes = new Hashtable();
 
      Document activeDoc = m_commandData.Application.ActiveUIDocument.Document;


      FilteredElementIterator itor = (new FilteredElementCollector(activeDoc)).OfClass(typeof(RebarHookType)).GetElementIterator();
      itor.Reset();
      while( itor.MoveNext() )
      {
        RebarHookType hookType = itor.Current as RebarHookType;
        if( null != hookType )
        {
          string hookTypeName = hookType.Name;
          m_hookTypes.Add( hookTypeName, hookType.Id );
        }
      }

      itor = (new FilteredElementCollector(activeDoc)).OfClass(typeof(RebarBarType)).GetElementIterator();
      itor.Reset();
      while (itor.MoveNext())
      {
        RebarBarType barType = itor.Current as RebarBarType;
        if( null != barType )
        {
          string barTypeName = barType.Name;
          m_barTypes.Add( barTypeName, barType.Id );
        }
      }
      if( m_hookTypes.Count == 0 || m_barTypes.Count == 0 )
      {
        return false;
      }

      return true;
    }
  }

  [Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Automatic)]
    [Autodesk.Revit.Attributes.Regeneration(Autodesk.Revit.Attributes.RegenerationOption.Manual)]
  class RebarParas : IExternalCommand
  {
    public Autodesk.Revit.UI.Result Execute(
      ExternalCommandData revit,
      ref string message,
      ElementSet elements )
    {
      try
      {
        // Get the active document and view
        UIDocument revitDoc = revit.Application.ActiveUIDocument;
        Autodesk.Revit.DB.View view = revitDoc.Document.ActiveView;
        foreach( Autodesk.Revit.DB.Element elem in revitDoc.Selection.Elements )
        {
          //if( elem.GetType() == typeof( Autodesk.Revit.DB.Structure.Rebar ) )
          if( elem is Rebar )
          {
            string str = "";
            Autodesk.Revit.DB.Structure.Rebar rebar = (Autodesk.Revit.DB.Structure.Rebar) elem;
            ParameterSet pars = rebar.Parameters;
            foreach( Parameter param in pars )
            {
              string val = "";
              string name = param.Definition.Name;
              Autodesk.Revit.DB.StorageType type = param.StorageType;
              switch( type )
              {
                case Autodesk.Revit.DB.StorageType.Double:
                  val = param.AsDouble().ToString();
                  break;
                case Autodesk.Revit.DB.StorageType.ElementId:
                  Autodesk.Revit.DB.ElementId id = param.AsElementId();
                  Autodesk.Revit.DB.Element paraElem = revitDoc.Document.get_Element( id );
                  if( paraElem != null )
                    val = paraElem.Name;
                  break;
                case Autodesk.Revit.DB.StorageType.Integer:
                  val = param.AsInteger().ToString();
                  break;
                case Autodesk.Revit.DB.StorageType.String:
                  val = param.AsString();
                  break;
                default:
                  break;
              }
              str = str + name + ": " + val + "\r\n";
            }
            MessageBox.Show( str, "Rebar parameters" );
            return Autodesk.Revit.UI.Result.Succeeded;
          }
        }
        message = "No rebar selected!";
        return Autodesk.Revit.UI.Result.Failed;
      }
      catch( Exception e )
      {
        message = e.Message;
        return Autodesk.Revit.UI.Result.Failed;
      }
    }
  }
}