public override bool GetDropLocation(Type itemType, int?childIndex, ref SerializedProperty array, ref int arrayIndex)
{
// Drop part binding into composite.
if (itemType == typeof(PartOfCompositeBindingTreeItem))
{
array = arrayProperty;
// Adjust child index by index of composite item itself.
arrayIndex = childIndex != null
? this.arrayIndex + 1 + childIndex.Value // Dropping at #0 should put as our index plus one.
: this.arrayIndex + 1 + InputActionSerializationHelpers.GetCompositePartCount(array, this.arrayIndex);
return(true);
}
// Drop other bindings next to us.
if (typeof(BindingTreeItem).IsAssignableFrom(itemType))
{
array = arrayProperty;
arrayIndex = this.arrayIndex + 1 +
InputActionSerializationHelpers.GetCompositePartCount(array, this.arrayIndex);
return(true);
}
return(false);
}