/// <summary>
/// Creates an issue marker. It also creates an In-Canvas control on given element's position.
/// </summary>
/// <param name="document">Document in which the tracked element is.</param>
/// <param name="elementId">Tracked element id.</param>
/// <returns>IssueMarker created from data</returns>
public static IssueMarker Create(Document document, ElementId elementId)
{
ResourceProvider resourceProvider = ResourceProvider.GetInstance();
// Prepare InCanvasControlData. It needs position and image path.
// In this example, all controls will share the same image - though it is possible to create controls with different images, or even change it via an update (see IssueMarkerSelector::SelectMarker).
Element elementTracked = document.GetElement(elementId);
XYZ elementLocation = new XYZ();
if (elementTracked.Location is LocationPoint pointLoc)
{
elementLocation = pointLoc.Point;
}
else if (elementTracked.Location is LocationCurve curveLoc)
{
elementLocation = curveLoc.Curve.GetEndPoint(0);
}
InCanvasControlData inCanvasControlData = new InCanvasControlData(resourceProvider.IssueImage, elementLocation);
// Create In-Canvas control
TemporaryGraphicsManager manager = TemporaryGraphicsManager.GetTemporaryGraphicsManager(document);
int controlIndex = manager.AddControl(inCanvasControlData, ElementId.InvalidElementId);
return(new IssueMarker(elementId, controlIndex, inCanvasControlData));
}
/// <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);
}
}
