private void HandleInactiveDocument(DocumentContent previousDocument)
{
if (previousDocument == null)
{
return;
}
Tracer.Verbose("MainWindow.HandlePreviousActiveDocument", "[{0}] '{1}' becomes inactive",
DateTime.Now.ToLongTimeString(), previousDocument.Title);
//remove the previous doc from event handling
if (previousDocument is ZoomDocument)
{
ZoomDocument zd = (ZoomDocument)previousDocument;
this.MainStatusBar.ZoomChanged -= new EventHandler <ZoomRoutedEventArgs>(zd.OnZoomChanged);
zd.ZoomChanged -= new ZoomDocument.ZoomChangedEventHandler(this.MainStatusBar.OnZoomChanged);
}
//manage the contextual tab in the ribbon
if (previousDocument is QueryDocument)
{
SyntaxedDocumentGroup.Visibility = System.Windows.Visibility.Collapsed;
return;
}
if (previousDocument is TemplateDocument)
{
SyntaxedDocumentGroup.Visibility = System.Windows.Visibility.Collapsed;
return;
}
}
private void HandleActiveDocument(DocumentContent newDocument)
{
if (newDocument == null)
{
return;
}
Tracer.Verbose("MainWindow.HandleActiveDocument", "[{0}] '{1}' becomes active", DateTime.Now.ToLongTimeString(), newDocument.Title);
//plug to zoom event handling if needed
if (newDocument is ZoomDocument)
{
ZoomDocument zd = (ZoomDocument)newDocument;
this.MainStatusBar.CanZoom = true;
this.MainStatusBar.sliderZoom.Value = zd.Scale;
//root status bar update to the document
this.MainStatusBar.ZoomChanged += new EventHandler <ZoomRoutedEventArgs>(zd.OnZoomChanged);
//root doc evet to the status bar
zd.ZoomChanged += new ZoomDocument.ZoomChangedEventHandler(this.MainStatusBar.OnZoomChanged);
}
else
{
this.MainStatusBar.CanZoom = false; //disable the zoom slider
}
//manage the contextual tab in the ribbon
if (newDocument is QueryDocument)
{
SyntaxedDocumentGroup.Visibility = System.Windows.Visibility.Visible;
return;
}
if (newDocument is TemplateDocument)
{
SyntaxedDocumentGroup.Visibility = System.Windows.Visibility.Visible;
return;
}
}