Message DrawItem(MenuItem item, byte index)
{
var s = item != null ? item.Text : "";
return Bordmonitor.ShowText(s ?? String.Empty, BordmonitorFields.Item, index, item != null && item.IsChecked, false);
}
void currentScreen_ItemClicked(MenuScreen screen, MenuItem item)
{
switch (item.Action)
{
case MenuItemAction.GoToScreen:
Navigate(item.GoToScreen);
break;
case MenuItemAction.GoBackScreen:
NavigateBack();
break;
case MenuItemAction.GoHomeScreen:
NavigateHome();
break;
}
}
protected void UnsubscribeItem(MenuItem item)
{
if (item == null)
{
return;
}
item.Clicked -= menuItem_Clicked;
item.Changed -= menuItem_Changed;
}
protected void OnItemClicked(MenuItem item)
{
var e = ItemClicked;
if (e != null)
{
e(this, item);
}
}
protected void menuItem_Clicked(MenuItem item)
{
OnItemClicked(item);
}
protected void menuItem_Changed(MenuItem item)
{
OnUpdated(MenuScreenUpdateReason.ItemChanged, item);
}
public void AddItem(MenuItem menuItem, int index = -1)
{
if (index >= MaxItemsCount || index < 0 && ItemsCount == MaxItemsCount)
{
Logger.Error("Can't add screen item \"" + menuItem + "\" with index=" + index + ", count=" + ItemsCount);
index = MaxItemsCount - 1;
}
if (index < 0)
{
Items.Add(menuItem);
}
else
{
if (index < Items.Count)
{
UnsubscribeItem(Items[index] as MenuItem);
Items.RemoveAt(index);
}
while (index > Items.Count)
{
Items.Add(null);
}
Items.Insert(index, menuItem);
}
menuItem.Changed += menuItem_Changed;
menuItem.Clicked += menuItem_Clicked;
OnUpdated(MenuScreenUpdateReason.Refresh);
}