/// <summary>
/// Called when the status of a registered UIPage has been changed.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="newStatus">The new status of the sender.</param>
private void OnPageStatusChanged(UIPage sender, UIPage.Status newStatus)
{
if (!this.registeredPages.Contains(sender))
{
throw new InvalidOperationException("Unregistered UIPage!");
}
if (sender == this.activePage && newStatus == UIPage.Status.Inactivating)
{
TraceManager.WriteAllTrace("UIPage inactivating", UITraceFilters.INFO);
}
else if (sender == this.activePage && newStatus == UIPage.Status.Inactive)
{
this.workspace.DetachSensitive(this.activePage);
this.workspace.Detach(this.activePage);
UIPage inactivatedPage = this.activePage;
this.activePage = null;
TraceManager.WriteAllTrace("UIPage inactivated", UITraceFilters.INFO);
if (this.PageInactivated != null)
{
this.PageInactivated(inactivatedPage);
}
}
else if (sender != this.activePage && this.activePage == null && newStatus == UIPage.Status.Active)
{
this.activePage = sender;
this.workspace.Attach(this.activePage);
this.workspace.AttachSensitive(this.activePage);
TraceManager.WriteAllTrace("UIPage activated", UITraceFilters.INFO);
}
else
{
throw new InvalidOperationException("Invalid UIPage operation!");
}
}
static void OnPageStatusChanged(UIPage sender, UIPage.Status newState)
{
if (newState == UIPage.Status.Inactive)
{
if (sender == pageA)
{
pageB.Activate();
panelBA.Show();
panelBB.Show();
panelBC.Show();
panelBD.Show();
pageB.Deactivate();
}
else if (sender == pageB)
{
pageA.Activate();
panelAA.Show();
panelAB.Show();
panelAC.Show();
panelAD.Show();
pageA.Deactivate();
}
}
}