private static float GetViewBoxHeight(this UIDocument uiDocument)
{
var zoomCorners = uiDocument.GetOpenUIViews()[0].GetZoomCorners();
XYZ bottomLeft = zoomCorners[0];
XYZ topRight = zoomCorners[1];
var(viewBoxHeight, _) =
RevitUtils.ConvertToViewBoxValues(topRight, bottomLeft, uiDocument.ActiveView.RightDirection);
return(Convert.ToSingle(viewBoxHeight.ToMeters()));
}
/// <summary>
/// Sets a callback that applies a zoom to the current view.
/// </summary>
/// <param name="app">The current UI application.</param>
/// <param name="viewId">The view ID for the view to be zoomed.</param>
/// <param name="zoom">The zoom in decimal precision.</param>
public static void SetPendingZoomChangedCallback(UIApplication app, ElementId viewId, decimal zoom)
{
void Callback(object sender, IdlingEventArgs args)
{
StatusBarService.SetStatusText("Zooming to scale '" + zoom + "' ...");
UIView currentView = app.ActiveUIDocument.GetOpenUIViews().First();
if (currentView.ViewId != viewId)
{
return;
}
UIDocument uiDoc = app.ActiveUIDocument;
View activeView = uiDoc.ActiveView;
var zoomCorners = currentView.GetZoomCorners();
XYZ bottomLeft = zoomCorners[0];
XYZ topRight = zoomCorners[1];
var(currentHeight, currentWidth) =
RevitUtils.ConvertToViewBoxValues(topRight, bottomLeft, activeView.RightDirection);
var zoomedViewBoxHeight = Convert.ToDouble(zoom).ToInternalRevitUnit();
var zoomedViewBoxWidth = zoomedViewBoxHeight * currentWidth / currentHeight;
XYZ newTopRight = activeView.Origin
.Add(activeView.UpDirection.Multiply(zoomedViewBoxHeight / 2))
.Add(activeView.RightDirection.Multiply(zoomedViewBoxWidth / 2));
XYZ newBottomLeft = activeView.Origin
.Subtract(activeView.UpDirection.Multiply(zoomedViewBoxHeight / 2))
.Subtract(activeView.RightDirection.Multiply(zoomedViewBoxWidth / 2));
Log.Information("Zoom to {topRight} | {bottomLeft} ...", newTopRight.ToString(), newBottomLeft.ToString());
currentView.ZoomAndCenterRectangle(newTopRight, newBottomLeft);
StatusBarService.ResetStatusBarText();
Log.Information("Finished applying zoom for orthogonal view.");
app.Idling -= Callback;
}
Log.Information("Append zoom callback for orthogonal view to idle state of Revit application ...");
app.Idling += Callback;
}