/// <summary>
/// Gets the information from user.
/// </summary>
/// <returns></returns>
public TagWallLayersCommandData GetInformation()
{
// Information gathered from window.
var information = new TagWallLayersCommandData()
{
Function = chkFunction.Checked,
Name = chkName.Checked,
Thickness = chkThickness.Checked,
TextTypeId = textTypeId,
UnitType = unitType,
Decimals = decimals,
};
return(information);
}
/// <summary>
/// Tag wall layers by creating text note element on user specified point and populate it with layer information.
/// </summary>
/// <param name="commandData">The command data.</param>
/// <param name="message">The message.</param>
/// <param name="elements">The elements.</param>
/// <returns></returns>
/// <exception cref="System.NotImplementedException"></exception>
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
//LengthConverter
LengthUnitConverter converter = new LengthUnitConverter();
// Application context.
var uidoc = commandData.Application.ActiveUIDocument;
var doc = uidoc.Document;
// Check if we are in the Revit project , not in family one.
if (doc.IsFamilyDocument)
{
Message.Display("Can't use command in family document", WindowType.Warning);
return(Result.Cancelled);
}
// Get access to current view.
var activeView = uidoc.ActiveView;
// Check if Text Note can be created in currently active project view.
bool canCreateTextNoteInView = false;
switch (activeView.ViewType)
{
case ViewType.FloorPlan:
canCreateTextNoteInView = true;
break;
case ViewType.CeilingPlan:
canCreateTextNoteInView = true;
break;
case ViewType.Detail:
canCreateTextNoteInView = true;
break;
case ViewType.Elevation:
canCreateTextNoteInView = true;
break;
case ViewType.Section:
canCreateTextNoteInView = true;
break;
}
// Collector for data provided in window.
var userInfo = new TagWallLayersCommandData();
if (!canCreateTextNoteInView)
{
Message.Display("Text Note element can't be created in the current view.", WindowType.Error);
return(Result.Cancelled);
}
// Get user provided information from window and show dialog.
using (var window = new TagWallLayersForm(uidoc))
{
window.ShowDialog();
if (window.DialogResult == DialogResult.Cancel)
{
return(Result.Cancelled);
}
userInfo = window.GetInformation();
}
// Ask user to select one basic wall.
var selectionReference = uidoc.Selection.PickObject(ObjectType.Element, new SelectionFilterByCategory("Walls"), "Select one basic wall.");
var selectionElement = doc.GetElement(selectionReference);
// Cast generic element type to more specific Wall type.
var wall = selectionElement as Wall;
// Check if wall is type of basic wall.
if (wall.IsStackedWall)
{
Message.Display("Wall you selected is category of the Stacked Wall.\nIt's not supported by this command.", WindowType.Warning);
return(Result.Cancelled);
}
// Access list of wall layers.
var layers = wall.WallType.GetCompoundStructure().GetLayers();
// Get layer information in structured string format for Text Note.
var msg = new StringBuilder();
foreach (var layer in layers)
{
Material material = doc.GetElement(layer.MaterialId) as Material;
msg.AppendLine();
if (userInfo.Function)
{
msg.Append(layer.Function.ToString());
}
// Check if material is attached to the layer in wall compound structure.
if (userInfo.Name)
{
if (material != null)
{
msg.Append(" " + material.Name);
}
else
{
msg.Append(" <by category>");
}
}
// Convert units to metric.
// Revit by default uses imperial units.
if (userInfo.Thickness)
{
msg.Append(" " + converter.ConvertToMetric(layer.Width, userInfo.UnitType, userInfo.Decimals).ToString());
}
}
// Create Text Note options.
var textNoteOptions = new TextNoteOptions
{
VerticalAlignment = VerticalTextAlignment.Top,
HorizontalAlignment = HorizontalTextAlignment.Left,
TypeId = userInfo.TextTypeId
};
// Open Revit document transaction to create new Text Note element.
using (var transaction = new Transaction(doc))
{
transaction.Start("Tag Wall Layers Command");
var pt = new XYZ();
// Construct sketch plane for user to pick point if we are in elevation or section view.
if (activeView.ViewType == ViewType.Elevation || activeView.ViewType == ViewType.Section)
{
var plane = Plane.CreateByNormalAndOrigin(activeView.ViewDirection, activeView.Origin);
var sketchPlane = SketchPlane.Create(doc, plane);
activeView.SketchPlane = sketchPlane;
// Ask user to pick location point for the Text Note Element
pt = uidoc.Selection.PickPoint("Pick text note location point");
}
else
{
// Ask user to pick location point for the Text Note Element
pt = uidoc.Selection.PickPoint("Pick text note location point");
}
// Create Text Note with wall layers information on user specified point in the current active view.
var textNote = TextNote.Create(doc, activeView.Id, pt, msg.ToString(), textNoteOptions);
transaction.Commit();
}
return(Result.Succeeded);
}