private void MoveToTop(ObservableCollection <LogCurveItem> channels, LogCurveItem indexChannel)
{
// If the channel is not found in the channel list get out
var index = channels.IndexOf(indexChannel);
if (index < 0)
{
return;
}
// Remove the channel from its current position in the list and insert it at the top
channels.RemoveAt(index);
channels.Insert(0, indexChannel);
}
private int MoveChannel(LogCurveItem logCurveItem, ObservableCollection <LogCurveItem> sourceChannels, ObservableCollection <LogCurveItem> destinationChannels, int selectedIndex = -1)
{
// If the selected channel cannot be found in the source list get out
var channelSelectedIndex = -1;
// Channel was found in the source list and is removed.
if (sourceChannels.Contains(logCurveItem))
{
channelSelectedIndex = selectedIndex == -1 ? sourceChannels.IndexOf(logCurveItem) : selectedIndex;
sourceChannels.Remove(logCurveItem);
}
// Channel is added to the destination list and notifications are sent about changes to both lists
destinationChannels.Add(logCurveItem);
NotifyOfPropertyChange(() => HasSelected);
NotifyOfPropertyChange(() => HasAvailable);
// Return the index of the channel removed if the list has that many items, otherwise return the index above the channel
return(channelSelectedIndex <= (sourceChannels.Count - 1)
? channelSelectedIndex
: channelSelectedIndex - 1);
}