/// <summary>
/// If the document's name changes, update the title;
/// if the document's location changes, update the status bar
/// </summary>
/// <param name="sender"></param>
/// <param name="evt"></param>
protected override void OnDocumentChanged(Object sender, GoChangedEventArgs evt)
{
base.OnDocumentChanged(sender, evt);
if (evt.Object is IGoLink &&
(evt.SubHint == GoLink.ChangedFromPort || evt.SubHint == GoLink.ChangedToPort))
{
SetStatusMessage?.Invoke("Changed a link's port");
}
else if (evt.Hint == GoLayer.InsertedObject)
{
if (evt.Object is IGoLink)
{
SetStatusMessage?.Invoke("Inserted a link");
}
}
else if (evt.Hint == GoLayer.RemovedObject)
{
if (evt.Object is IGoLink)
{
SetStatusMessage?.Invoke("Removed a link");
}
}
else if (evt.Hint == GoDocument.ChangedName ||
evt.Hint == GoDocument.RepaintAll || evt.Hint == GoDocument.FinishedUndo ||
evt.Hint == GoDocument.FinishedRedo)
{
UpdateFormInfo();
}
else if (evt.Hint == GraphDoc.ChangedLocation)
{
SetStatusMessage?.Invoke(Doc.Location);
}
}
//public String StatusMessage
//{
// get { return myMessage; }
// set
// {
// myMessage = value;
// SetStatusMessage?.Invoke(myMessage);
// }
//}
/// <summary>
/// This method is responsible for updating all of the view's visible
/// state outside of the GoView itself--the title bar, status bar, and properties grid.
/// </summary>
public void UpdateFormInfo()
{
UpdateTitle();
SetStatusMessage?.Invoke(Doc.Location);
SetStatusZoom?.Invoke(DocScale);
}