/// <summary>
/// Logic that handles selecting two groups of event stubs, and then executing a given action when
/// both groups are selected and the Finish button is pressed.
/// </summary>
private void InitDualGroupSelection(Action<HashSet<EventStub>, HashSet<EventStub>> onSelectionEnd)
{
HashSet<EventStub> firstSet = new HashSet<EventStub>();
HashSet<EventStub> secondSet = new HashSet<EventStub>();
//all onClick actions
Action<EventStub> highlightGreen = (EventStub evnt) => SetEventColor(evnt, Color.green);
Action<EventStub> highlightMagenta = (EventStub evnt) => SetEventColor(evnt, Color.magenta);
Action<EventStub> addToFirst = (EventStub e) => firstSet.Add(e);
Action<EventStub> addToSecond = (EventStub e) => secondSet.Add(e);
onEventLeftClick.Add(addToFirst);
onEventLeftClick.Add(highlightGreen);
ActionBar bar = new ActionBar(true);
bar.AddButton("Cancel", () =>
{
onEventLeftClick.Remove(addToFirst);
onEventLeftClick.Remove(addToSecond);
onEventLeftClick.Remove(highlightGreen);
onEventLeftClick.Remove(highlightMagenta);
ResetEventColors(firstSet.Union(secondSet));
parent.PopActionBar();
});
bar.AddButton("Next", () =>
{
onEventLeftClick.Remove(addToFirst);
onEventLeftClick.Remove(highlightGreen);
onEventLeftClick.Add(highlightMagenta);
onEventLeftClick.Add(addToSecond);
bar.RemoveButton("Next");
bar.AddButton("Finish", () =>
{
onEventLeftClick.Remove(addToSecond);
parent.PopActionBar();
onEventLeftClick.Remove(highlightMagenta);
ResetEventColors(firstSet.Union(secondSet));
onSelectionEnd.Invoke(firstSet, secondSet);
});
});
parent.AddActionBar(bar);
}
