private void RefreshScreenWithDelay(MenuScreenUpdateReason reason = MenuScreenUpdateReason.Refresh)
{
CancelRefreshScreenWithDelay();
refreshScreenDelayTimer = new Timer(delegate
{
UpdateScreen(reason);
}, null, refreshScreenDelay, 0);
}
protected void OnUpdated(MenuScreenUpdateReason reason, object item = null)
{
if (updateSuspended)
{
return;
}
var e = Updated;
if (e != null)
{
e(this, new MenuScreenUpdateEventArgs(reason, item));
}
}
protected void OnUpdateBody(MenuScreenUpdateReason reason)
{
if (updateSuspended)
{
return;
}
var e = UpdateBody;
if (e != null)
{
e(this);
}
}
private string GetItemString(MenuScreenUpdateReason reason, int maxLength, RefreshHandler refreshCallback)
{
var showText = GetShownItemString(maxLength, false);
if (showText.Length <= maxLength)
{
return(showText);
}
var separator = showText.IndexOf(": ");
if (separator <= 0 || separator == showText.Length - 2)
{
return(GetShownItemString(maxLength, true));
}
if (showText.Length == maxLength + 1)
{
return(showText.Substring(0, separator + 1) + showText.Substring(separator + 2));
}
if (reason == MenuScreenUpdateReason.Scroll)
{
if (refreshCallback != null)
{
refreshCallback(MenuScreenUpdateReason.Refresh);
}
return(showText.Substring(0, separator + 1));
}
else
{
showText = showText.Substring(separator + 2);
if (ShownItem != null && !StringHelpers.IsNullOrEmpty(ShownItem.RadioAbbreviation))
{
var len = showText.Length + ShownItem.RadioAbbreviation.Length;
if (len < maxLength)
{
return(ShownItem.RadioAbbreviation + " " + showText);
}
else if (len == maxLength &&
(ShownItem.RadioAbbreviation[ShownItem.RadioAbbreviation.Length - 1] == ':' ||
!showText[0].IsLetterOrNumber()))
{
return(ShownItem.RadioAbbreviation + showText);
}
}
}
return(showText);
}
public virtual void UpdateScreen(MenuScreenUpdateReason reason, object item = null)
{
UpdateScreen(new MenuScreenUpdateEventArgs(reason, item));
}
public MenuScreenUpdateEventArgs(MenuScreenUpdateReason reason, object item = null)
{
Reason = reason;
Item = item;
}
protected void RefreshScreenWithDelay(MenuScreenUpdateReason reason = MenuScreenUpdateReason.Refresh)
{
CancelRefreshScreenWithDelay();
refreshScreenDelayTimer = new Timer(delegate
{
UpdateScreen(reason);
}, null, refreshScreenDelay, 0);
}
public virtual void UpdateScreen(MenuScreenUpdateReason reason, object item = null)
{
UpdateScreen(new MenuScreenUpdateEventArgs(reason, item));
}
public MenuScreenUpdateEventArgs(MenuScreenUpdateReason reason, object item = null)
{
Reason = reason;
Item = item;
}
protected void OnUpdated(MenuScreenUpdateReason reason, object item = null)
{
if (updateSuspended)
{
return;
}
var e = Updated;
if (e != null)
{
e(this, new MenuScreenUpdateEventArgs(reason, item));
}
}