/// <summary>
/// A binding of a handler to the indicated key function, with the indicated dependencies.
/// </summary>
/// <param name="boundKeyFunction">key function this handler should handle</param>
/// <param name="handler">handler to handle the input</param>
/// <param name="before">If other types register bindings for this key function, this handler will always fire
/// before them if they appear in this list.</param>
/// <param name="after">If other types register bindings for this key function, this handler will always fire
/// after them if they appear in this list.</param>
public CommandBind(BoundKeyFunction boundKeyFunction, InputCmdHandler handler, IEnumerable <Type>?before = null,
IEnumerable <Type>?after = null)
{
_boundKeyFunction = boundKeyFunction;
_after = after ?? Enumerable.Empty <Type>();
_before = before ?? Enumerable.Empty <Type>();
_handler = handler;
}
/// <summary>
/// Bind the indicated handler to the indicated function. If other owner types register bindings for this key
/// function, this handler will always fire before them if they appear in the "before" list.
///
/// If multiple handlers in this builder are registered to the same key function,
/// the handlers will fire in the order in which they were added to this builder.
/// </summary>
/// <param name="before">If other owner types register bindings for this key
/// function, this handler will always fire before them if they appear in this list</param>
public BindingsBuilder BindBefore(BoundKeyFunction function, InputCmdHandler command, params Type[] before)
{
return(Bind(new CommandBind(function, command, before)));
}
/// <summary>
/// Bind the indicated handler to the indicated function, with no
/// particular dependency on bindings from other owner types. If multiple
/// handlers in this builder are registered to the same key function,
/// the handlers will fire in the order in which they were added to this builder.
/// </summary>
public BindingsBuilder Bind(BoundKeyFunction function, InputCmdHandler command)
{
return(Bind(new CommandBind(function, command)));
}
/// <summary>
/// Bind the indicated handler to the indicated function. If other owner types register bindings for this key
/// function, this handler will always fire after them if they appear in the "after" list.
///
/// If multiple handlers in this builder are registered to the same key function,
/// the handlers will fire in the order in which they were added to this builder.
/// </summary>
/// <param name="after">If other owner types register bindings for this key
/// function, this handler will always fire after them if they appear in this list</param>
public BindingsBuilder BindAfter(BoundKeyFunction function, InputCmdHandler command, params Type[] after)
{
return(Bind(new CommandBind(function, command, after: after)));
}