Dylan Sarrazyn
126 lines
3.7 KiB
GDScript
126 lines
3.7 KiB
GDScript
@tool
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extends Control
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class_name FormValidator
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signal control_validated(control, passed, messages)
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class ValidatorInfo extends RefCounted:
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var control: Control
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var validator: Validator
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@export var auto_validate: bool = false
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@export var validation_method: Validation.Method = Validation.Method.BATCH:
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set(value):
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validation_method = value
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_update_validation_methods()
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var _control_validator_map: Dictionary = {}
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var _control_messages_map: Dictionary = {}
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func _ready() -> void:
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Validation.validator_added.connect(_on_validator_added)
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Validation.validator_removed.connect(_on_validator_removed)
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_find_validators(self)
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func get_messages() -> Dictionary:
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return _control_messages_map
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func get_messages_for_control(control: Control) -> PackedStringArray:
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if not _control_messages_map.has(control):
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return PackedStringArray()
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return _control_messages_map[control]
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func validate() -> bool:
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_control_messages_map.clear()
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var list = _get_validator_info_list()
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var valid = true
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for info in list:
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if info.validator.skip_validation:
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continue
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var passed = info.validator.validate(info.control)
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var messages = info.validator.get_messages()
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if not passed:
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_control_messages_map[info.control] = messages
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control_validated.emit(info.control, passed, messages)
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valid = valid and passed
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if not valid and validation_method == Validation.Method.IMMEDIATE:
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return valid
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return valid
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func _get_validator_info_list() -> Array[ValidatorInfo]:
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var list: Array[ValidatorInfo] = []
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for control in _control_validator_map.keys():
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var validator = _control_validator_map[control]
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if not validator:
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continue
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var info = ValidatorInfo.new()
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info.control = control
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info.validator = validator
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list.append(info)
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list.sort_custom(func (a: ValidatorInfo, b: ValidatorInfo):
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return a.validator.validation_order < b.validator.validation_order
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)
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return list
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func _update_validation_methods() -> void:
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var validators = _control_validator_map.values()
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for item in validators:
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var validator = item as Validator
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if not validator:
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continue
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validator.validation_method = validation_method
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func _find_validators(node: Node) -> void:
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for child in node.get_children():
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var control_validator = child as ControlValidator
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if control_validator:
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control_validator._on_validator_added()
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_find_validators(child)
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func _auto_validate(control: Control) -> void:
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if not auto_validate:
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return
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var validator = _control_validator_map[control] as Validator
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if not validator:
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return
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var passed = validator.validate(control)
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control_validated.emit(control, passed, validator.get_messages())
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func _on_validator_added(control: Control, validator: Validator) -> void:
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if not control:
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return
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_control_validator_map[control] = validator
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if not control.focus_exited.is_connected(_on_control_focus_exited):
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control.focus_exited.connect(_on_control_focus_exited.bind(control))
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# Special case to handle range-type controls that don't respond to focus
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# events for editing.
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if control.has_signal("value_changed"):
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if not control.value_changed.is_connected(_on_control_value_changed):
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control.value_changed.connect(_on_control_value_changed.bind(control))
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func _on_validator_removed(control: Control) -> void:
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_control_validator_map.erase(control)
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if control.focus_exited.is_connected(_on_control_focus_exited):
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control.focus_exited.disconnect(_on_control_focus_exited)
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if control.has_signal("value_changed"):
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if control.value_changed.is_connected(_on_control_value_changed):
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control.value_changed.disconnect(_on_control_value_changed)
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func _on_control_focus_exited(control: Control) -> void:
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_auto_validate(control)
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func _on_control_value_changed(value: float, control: Control) -> void:
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_auto_validate(control)
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