protected void UpdateDeviceItem(TListData listData)
{
var numDeviceItems = listData.DeviceComponent == null ? -1 : listData.DeviceComponent.AvailableDeviceItems.Count();
listData.DeviceItem = numDeviceItems switch {
1 => listData.DeviceComponent !.AvailableDeviceItems.First().Id,
0 => null,
_ => listData.DeviceItem
};
}
private void RenderDeviceItemElement(TListData listData, Rect cellRect, Action <TListData> updateAction)
{
// sets the item if only one coil
UpdateDeviceItem(listData);
var numDeviceItems = listData.DeviceComponent == null ? -1 : listData.DeviceComponent.AvailableDeviceItems.Count();
// no coils: show error
if (numDeviceItems == 0)
{
var icon = EditorGUIUtility.IconContent("Error@2x").image;
var iconRect = cellRect;
iconRect.width = 20;
var guiColor = GUI.color;
GUI.color = Color.clear;
EditorGUI.DrawTextureTransparent(iconRect, icon, ScaleMode.ScaleToFit);
GUI.color = guiColor;
cellRect.x += 20;
var s = new GUIStyle(EditorStyles.label)
{
normal = { textColor = new Color(1f, 0.431f, 0.25f) }
};
EditorGUI.LabelField(cellRect, "No coils!", s);
return;
}
// only one coil with no description: show nothing
if (numDeviceItems == 1 && string.IsNullOrEmpty(listData.DeviceComponent !.AvailableDeviceItems.First().Description))
{
return;
}
// disable if nothing to select
EditorGUI.BeginDisabledGroup(numDeviceItems <= 1);
var currentIndex = 0;
var labels = Array.Empty <string>();
IDeviceComponent <TDeviceITem> device = null;
if (listData.DeviceComponent != null)
{
device = listData.DeviceComponent;
labels = device.AvailableDeviceItems.Select(s => s.Description).ToArray();
currentIndex = device.AvailableDeviceItems.TakeWhile(s => s.Id != listData.DeviceItem).Count();
}
EditorGUI.BeginChangeCheck();
var newIndex = EditorGUI.Popup(cellRect, currentIndex, labels);
if (EditorGUI.EndChangeCheck() && device != null)
{
if (currentIndex != newIndex)
{
listData.DeviceItem = device.AvailableDeviceItems.ElementAt(newIndex).Id;
updateAction(listData);
}
}
EditorGUI.EndDisabledGroup();
}
