/// <summary>
/// Select elements in Revit to obtain the footprint roof lines.
/// </summary>
/// <returns>A curve array to hold the footprint roof lines.</returns>
public CurveArray SelectFootPrint()
{
m_footPrint.Clear();
while (true)
{
ElementSet es = new ElementSet();
foreach (ElementId elementId in m_selection.GetElementIds())
{
es.Insert(m_commandData.Application.ActiveUIDocument.Document.GetElement(elementId));
}
es.Clear();
IList <Element> selectResult;
try
{
selectResult = m_selection.PickElementsByRectangle();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
break;
}
if (selectResult.Count != 0)
{
foreach (Autodesk.Revit.DB.Element element in selectResult)
{
Wall wall = element as Wall;
if (wall != null)
{
LocationCurve wallCurve = wall.Location as LocationCurve;
m_footPrint.Append(wallCurve.Curve);
continue;
}
ModelCurve modelCurve = element as ModelCurve;
if (modelCurve != null)
{
m_footPrint.Append(modelCurve.GeometryCurve);
}
}
break;
}
else
{
TaskDialogResult result = TaskDialog.Show("Warning", "You should select a curve loop, or a wall loop, or loops combination \r\nof walls and curves to create a footprint roof.", TaskDialogCommonButtons.Ok | TaskDialogCommonButtons.Cancel);
if (result == TaskDialogResult.Cancel)
{
break;
}
}
}
return(m_footPrint);
}
/// <summary>
/// found the element which using the GUID
/// that was assigned to the shared parameter in the shared parameters file.
/// </summary>
/// <param name="UniqueIdValue"></param>
public void FindElement(string UniqueIdValue)
{
ElementSet seleElements = new ElementSet();
foreach (ElementId elementId in m_revit.ActiveUIDocument.Selection.GetElementIds())
{
seleElements.Insert(m_revit.ActiveUIDocument.Document.GetElement(elementId));
}
// all the elements of current document
IEnumerator i = seleElements.GetEnumerator();
// if the selections include beams and slabs,
// find out the element using the select value for display
i.Reset();
bool moreElements = i.MoveNext();
while (moreElements)
{
// Get beams and slabs from selections
Element component = i.Current as Autodesk.Revit.DB.Element;
if (null == component)
{
moreElements = i.MoveNext();
continue;
}
if (null == component.Category)
{
moreElements = i.MoveNext();
continue;
}
if (("Structural Framing" != component.Category.Name) &&
("Floors" != component.Category.Name))
{
moreElements = i.MoveNext();
continue;
}
// Get "Unique ID" parameter
ParameterSet attributes = component.Parameters;
foreach (object o in attributes)
{
Parameter attribute = o as Parameter;
if ("Unique ID" == attribute.Definition.Name)
{
if (null == attribute.AsString())
{
break;
}
// compare if the parameter's value is the same as the selected value.
// Clear the SelElementSet and add the found element into it.
// So this element will highlight in Revit UI
if (UniqueIdValue == attribute.AsString())
{
seleElements.Clear();
seleElements.Insert(component);
return;
}
break;
}
}
moreElements = i.MoveNext();
}
}
public Result Execute(
ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
#region 1.2.a. Examine command data input argument:
//
// access application, document, and current view:
//
UIApplication uiapp = commandData.Application;
Application app = uiapp.Application;
UIDocument uidoc = uiapp.ActiveUIDocument;
Document doc = uidoc.Document;
View view = commandData.View;
LanguageType lt = app.Language;
ProductType pt = app.Product;
string s = "Application = " + app.VersionName
+ "\r\nLanguage = " + lt.ToString()
+ "\r\nProduct = " + pt.ToString()
+ "\r\nVersion = " + app.VersionNumber
+ "\r\nDocument path = " + doc.PathName // empty if not yet saved
+ "\r\nDocument title = " + doc.Title
+ "\r\nView name = " + view.Name;
LabUtils.InfoMsg(s);
#endregion // 1.2.a. Examine command data input argument
#region 1.2.b. List selection set content:
//
// list the current selection set:
//
Selection sel = uidoc.Selection;
List <string> a = new List <string>();
foreach (ElementId id in sel.GetElementIds())
{
Element e = doc.GetElement(id);
string name = (null == e.Category)
? e.GetType().Name
: e.Category.Name;
a.Add(name + " Id="
+ e.Id.IntegerValue.ToString());
}
LabUtils.InfoMsg(
"There are {0} element{1} in the selection set{2}",
a);
#endregion // 1.2.b. List selection set content
#region 1.2.c. Populate return arguments:
// We pretend that something is wrong with the
// first element in the selection. Pass an error
// message back to the user and indicate the
// error result:
ICollection <ElementId> ids = sel.GetElementIds();
if (0 < ids.Count)
{
//ElementSetIterator iter = sel.Elements.ForwardIterator();
//iter.MoveNext();
//Element errElem = iter.Current as Element;
Element errElem = doc.GetElement(ids.First());
elements.Clear();
elements.Insert(errElem);
message = "We pretend something is wrong with this "
+ " element and pass back this message to user";
return(Result.Failed);
}
else
{
// We return failed here as well.
// As long as the message string and element set are empty,
// it makes no difference to the user.
// If they are not empty, the message is displayed to the
// user and/or the elements in the set are highlighted.
// If an automatic transaction is open, it is aborted,
// avoiding marking the database as dirty.
return(Result.Failed);
}
#endregion // 1.2.c. Populate return arguments
}
public Result Execute(
ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
#region 1.2.a. Examine command data input argument:
//
// access application, document, and current view:
//
UIApplication uiapp = commandData.Application;
Application app = uiapp.Application;
UIDocument uidoc = uiapp.ActiveUIDocument;
Document doc = uidoc.Document;
View view = commandData.View;
LanguageType lt = app.Language;
ProductType pt = app.Product;
string s = "Application = " + app.VersionName
+ "\r\nLanguage = " + lt.ToString()
+ "\r\nProduct = " + pt.ToString()
+ "\r\nVersion = " + app.VersionNumber
+ "\r\nDocument path = " + doc.PathName // empty if not yet saved
+ "\r\nDocument title = " + doc.Title
+ "\r\nView name = " + view.Name;
LabUtils.InfoMsg( s );
#endregion // 1.2.a. Examine command data input argument
#region 1.2.b. List selection set content:
//
// list the current selection set:
//
Selection sel = uidoc.Selection;
List<string> a = new List<string>();
foreach( ElementId id in sel.GetElementIds() )
{
Element e = doc.GetElement( id );
string name = ( null == e.Category )
? e.GetType().Name
: e.Category.Name;
a.Add( name + " Id="
+ e.Id.IntegerValue.ToString() );
}
LabUtils.InfoMsg(
"There are {0} element{1} in the selection set{2}",
a );
#endregion // 1.2.b. List selection set content
#region 1.2.c. Populate return arguments:
// We pretend that something is wrong with the
// first element in the selection. Pass an error
// message back to the user and indicate the
// error result:
ICollection<ElementId> ids = sel.GetElementIds();
if( 0 < ids.Count )
{
//ElementSetIterator iter = sel.Elements.ForwardIterator();
//iter.MoveNext();
//Element errElem = iter.Current as Element;
Element errElem = doc.GetElement( ids.First() );
elements.Clear();
elements.Insert( errElem );
message = "We pretend something is wrong with this "
+ " element and pass back this message to user";
return Result.Failed;
}
else
{
// We return failed here as well.
// As long as the message string and element set are empty,
// it makes no difference to the user.
// If they are not empty, the message is displayed to the
// user and/or the elements in the set are highlighted.
// If an automatic transaction is open, it is aborted,
// avoiding marking the database as dirty.
return Result.Failed;
}
#endregion // 1.2.c. Populate return arguments
}