/// <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 virtual Result Execute(ExternalCommandData commandData
, ref string message, ElementSet elements)
{
try
{
Document document = commandData.Application.ActiveUIDocument.Document;
Selection choices = commandData.Application.ActiveUIDocument.Selection;
IssueMarkerTracking tracking = IssueMarkerTrackingManager.GetInstance().GetTracking(document);
// Pick one object from Revit.
Reference hasPickOne = choices.PickObject(ObjectType.Element, "Select an element to create a control on.");
if (hasPickOne != null && tracking.GetMarkerByElementId(hasPickOne.ElementId) == null)
{
IssueMarker marker = IssueMarker.Create(document, hasPickOne.ElementId);
// Register the marker in tracking.
tracking.SubscribeMarker(marker);
}
return(Result.Succeeded);
}
catch (Exception ex)
{
message = ex.Message;
return(Result.Failed);
}
}
/// <summary>
/// Changes selected issue marker in given document's tracking
/// </summary>
/// <param name="document">A Revit document</param>
/// <param name="controlIndex">Id of the clicked In-Canvas control</param>
public static void SelectMarker(Document document, int controlIndex)
{
TemporaryGraphicsManager tempGraphicsManager = TemporaryGraphicsManager.GetTemporaryGraphicsManager(document);
IssueMarkerTracking issueMarkerTracking = IssueMarkerTrackingManager.GetInstance().GetTracking(document);
ResourceProvider provider = ResourceProvider.GetInstance();
// Check if the new selection is valid
IssueMarker newSelectedMarker = issueMarkerTracking.GetMarkerByIndex(controlIndex);
if (newSelectedMarker == null)
{
return;
}
// clear previous selection
IssueMarker selectedMarker = issueMarkerTracking.GetMarkerByIndex(issueMarkerTracking.GetSelected());
if (selectedMarker != null)
{
selectedMarker.InCanvasControlData.ImagePath = provider.IssueImage;
// This is how to set updated data to a control
tempGraphicsManager.UpdateControl(selectedMarker.ControlIndex, selectedMarker.InCanvasControlData);
issueMarkerTracking.SetSelected(-1);
}
if (newSelectedMarker != selectedMarker)
{
newSelectedMarker.InCanvasControlData.ImagePath = provider.SelectedIssueImage;
// This is how to set updated data to a control
tempGraphicsManager.UpdateControl(newSelectedMarker.ControlIndex, newSelectedMarker.InCanvasControlData);
issueMarkerTracking.SetSelected(controlIndex);
}
}
/// <summary>
/// Adds a marker to this tracking
/// </summary>
/// <param name="marker">Marker to be updated by selector or updater.</param>
public void SubscribeMarker(IssueMarker marker)
{
issueMarkerSet.Add(marker);
}