.. index:: pair: class; EE::UI::UIValueValidationState
.. _doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state:

class EE::UI::UIValueValidationState
====================================

.. toctree::
	:hidden:

Overview
~~~~~~~~

Observable current validation result shared by :ref:`UI <doxid-namespace_e_e_1_1_u_i>` value binding implementations. :ref:`More...<details-class_e_e_1_1_u_i_1_1_u_i_value_validation_state>`


.. ref-code-block:: cpp
	:class: doxyrest-overview-code-block

	#include <uivaluevalidation.hpp>
	
	class UIValueValidationState {
	public:
		// typedefs
	
		typedef std::function<void(const :ref:`UIValueValidationResult<doxid-struct_e_e_1_1_u_i_1_1_u_i_value_validation_result>`&:ref:`result<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1afa8c9fea11d42c41ddd48d47c3f656df>`)> :target:`Callback<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1a7f90f7554ee6794307c5554625bc24b0>`;
		typedef :ref:`ObservableValue<doxid-class_e_e_1_1_observable_value>`<:ref:`UIValueValidationResult<doxid-struct_e_e_1_1_u_i_1_1_u_i_value_validation_result>`>:::ref:`Connection<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1af5e066c1664bc06e85d14dfffb83ca60>` :target:`Connection<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1af5e066c1664bc06e85d14dfffb83ca60>`;

		// construction
	
		:target:`UIValueValidationState<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1a980953b90b6daea02f0af69c7294e82a>`();
		:target:`UIValueValidationState<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1a6637b8ff80579df486dc234ec579b69c>`(const UIValueValidationState&);
		:target:`UIValueValidationState<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1a776e9ed14fe75f2bf73e4ce491a6b40c>`(UIValueValidationState&&);

		// methods
	
		UIValueValidationState& :target:`operator=<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1a990ec0c08eb6160ab860bd1de66bc1d8>`(const UIValueValidationState&);
		UIValueValidationState& :target:`operator=<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1ad952fe5ff86b1197d6bfaac0d78e8e1c>`(UIValueValidationState&&);
		bool :target:`isValid<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1a889889491818c8f9076e92325c874d67>`() const;
		const :ref:`UIValueValidationResult<doxid-struct_e_e_1_1_u_i_1_1_u_i_value_validation_result>`& :target:`result<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1afa8c9fea11d42c41ddd48d47c3f656df>`() const;
		const std::optional<:ref:`UIValueValidationResult::Code<doxid-struct_e_e_1_1_u_i_1_1_u_i_value_validation_result_1a0339b4ed99ecbccaeee8c7647307ca59>`>& :target:`code<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1a0350b8fac314cc2fa51f643e5d002c1a>`() const;
		const std::optional<std::string>& :target:`debugMessage<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1a2f67234fea9dc4bd12bdb56fa8266277>`() const;
		:ref:`Connection<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1af5e066c1664bc06e85d14dfffb83ca60>` :ref:`observe<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1a443076f6d2dd2bf841d6a409d63afd71>`(:ref:`Callback<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1a7f90f7554ee6794307c5554625bc24b0>` callback);
		void :ref:`set<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1ac8dadc5dd885176414320f29be90c12d>`(:ref:`UIValueValidationResult<doxid-struct_e_e_1_1_u_i_1_1_u_i_value_validation_result>` result);
		void :target:`clear<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1aa237daeceb31ab50854494fedc5e4541>`();
	};
.. _details-class_e_e_1_1_u_i_1_1_u_i_value_validation_state:

Detailed Documentation
~~~~~~~~~~~~~~~~~~~~~~

Observable current validation result shared by :ref:`UI <doxid-namespace_e_e_1_1_u_i>` value binding implementations.

Reading validity never allocates. Observer storage is created lazily by :ref:`observe() <doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1a443076f6d2dd2bf841d6a409d63afd71>`, keeping the ordinary unobserved binding path inexpensive. Notifications are synchronous and use the same snapshot semantics as :ref:`ObservableValue <doxid-class_e_e_1_1_observable_value>`.

Methods
-------

.. index:: pair: function; observe
.. _doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1a443076f6d2dd2bf841d6a409d63afd71:

.. ref-code-block:: cpp
	:class: doxyrest-title-code-block

	:ref:`Connection<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1af5e066c1664bc06e85d14dfffb83ca60>` observe(:ref:`Callback<doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1a7f90f7554ee6794307c5554625bc24b0>` callback)

Observes later result changes. The current result is available through :ref:`result() <doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1afa8c9fea11d42c41ddd48d47c3f656df>`.

.. index:: pair: function; set
.. _doxid-class_e_e_1_1_u_i_1_1_u_i_value_validation_state_1ac8dadc5dd885176414320f29be90c12d:

.. ref-code-block:: cpp
	:class: doxyrest-title-code-block

	void set(:ref:`UIValueValidationResult<doxid-struct_e_e_1_1_u_i_1_1_u_i_value_validation_result>` result)

Updates the current result and notifies observers only when it actually changed.