first Prototype

addons/localization_editor/scenes/remaps/LocalizationRemapPath.gd

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+# Remap UI LineEdit for LocalizationEditor : MIT License
+# @author Vladimir Petrenko
+# Drag and drop not work just now, see Workaround -> LocalizationRemapPut
+# https://github.com/godotengine/godot/issues/30480
+@tool
+extends LineEdit
+
+var _key
+var _remap
+var _data: LocalizationData
+
+var _remap_ui_style_empty: StyleBoxFlat
+var _remap_ui_style_resource: StyleBoxFlat
+var _remap_ui_style_resource_diff: StyleBoxFlat
+var _remap_ui_style_resource_double: StyleBoxFlat
+
+const LocalizationRemapDialogFile = preload("res://addons/localization_editor/scenes/remaps/LocalizationRemapDialogFile.tscn")
+
+func set_data(key, remap, data: LocalizationData) -> void:
+	_key = key
+	_remap = remap
+	_data = data
+	_init_styles()
+	_init_connections()
+	_draw_view()
+
+func _init_styles() -> void:
+	var style_box = get_theme_stylebox("normal", "LineEdit")
+	_remap_ui_style_empty = style_box.duplicate()
+	_remap_ui_style_empty.set_bg_color(Color("#661c1c"))
+	_remap_ui_style_resource = style_box.duplicate()
+	_remap_ui_style_resource.set_bg_color(Color("#192e59"))
+	_remap_ui_style_resource_diff = style_box.duplicate()
+	_remap_ui_style_resource_diff.set_bg_color(Color("#514200"))
+	_remap_ui_style_resource_double = style_box.duplicate()
+	_remap_ui_style_resource_double.set_bg_color(Color("#174044"))
+	
+func _init_connections() -> void:
+	if not _data.is_connected("data_remapkey_value_changed", _draw_view):
+		assert(_data.data_remapkey_value_changed.connect(_draw_view) == OK)
+	if not is_connected("focus_entered", _on_focus_entered):
+		assert(focus_entered.connect(_on_focus_entered) == OK)
+	if not is_connected("focus_exited", _on_focus_exited):
+		assert(focus_exited.connect(_on_focus_exited) == OK)
+	if not is_connected("text_changed", _remap_value_changed):
+		assert(text_changed.connect(_remap_value_changed) == OK)
+	if not is_connected("gui_input", _on_gui_input):
+		assert(gui_input.connect(_on_gui_input) == OK)
+
+func _draw_view() -> void:
+	if has_focus():
+		text = _remap.value
+	else:
+		text = _data.filename(_remap.value)
+	_check_remap_ui()
+
+func _input(event) -> void:
+	if (event is InputEventMouseButton) and event.pressed:
+		if not get_global_rect().has_point(event.position):
+			release_focus()
+
+func _on_focus_entered() -> void:
+	text = _remap.value
+
+func _on_focus_exited() -> void:
+	text = _data.filename(_remap.value)
+
+func _remap_value_changed(remap_value) -> void:
+	_data.remapkey_value_change(_remap, remap_value)
+
+func _on_gui_input(event: InputEvent) -> void:
+	if event is InputEventMouseButton:
+		if event.button_index == MOUSE_BUTTON_MIDDLE:
+			if event.pressed:
+				grab_focus()
+				var file_dialog = LocalizationRemapDialogFile.instantiate()
+				if _resource_exists():
+					file_dialog.current_dir = _data.file_path(_remap.value)
+					file_dialog.current_file = _data.filename(_remap.value)
+				for extension in _data.supported_file_extensions():
+					file_dialog.add_filter("*." + extension)
+				var root = get_tree().get_root()
+				root.add_child(file_dialog)
+				file_dialog.connect("file_selected", _remap_value_changed)
+				file_dialog.popup_centered()
+
+func _can_drop_data(position, data) -> bool:
+	var remap_value = data["files"][0]
+	var remap_extension = _data.file_extension(remap_value)
+	for extension in _data.supported_file_extensions():
+		if remap_extension == extension:
+			return true
+	return false
+
+func _drop_data(position, data) -> void:
+	var remap_value = data["files"][0]
+	_remap_value_changed(remap_value)
+
+func _check_remap_ui() -> void:
+	if text.length() <= 0:
+		set("custom_styles/normal", _remap_ui_style_empty)
+		tooltip_text =  "Please set remap resource"
+	elif not _resource_exists():
+		set("custom_styles/normal", _remap_ui_style_resource)
+		tooltip_text =  "Your resource path: \"" + _remap.value + "\" does not exists"
+	elif _resource_different_type():
+		set("custom_styles/normal", _remap_ui_style_resource_diff)
+		tooltip_text =  "Your remaps have different types"
+	elif _resource_double():
+		set("custom_styles/normal", _remap_ui_style_resource_double)
+		tooltip_text =  "Your have double resources in your remaps"
+	else:
+		set("custom_styles/normal", null)
+		tooltip_text =  ""
+
+func _resource_exists() -> bool:
+	if _data.remap_type(_remap) == "undefined":
+		return false
+	return FileAccess.file_exists(_remap.value)
+
+func _resource_different_type() -> bool:
+	var type = _data.remap_type(_remap)
+	for remap in  _key.remaps:
+		if remap.value.length() > 0 and type != _data.remap_type(remap):
+			return true
+	return false
+
+func _resource_double() -> bool:
+	var first
+	for remap in  _key.remaps:
+		if first == null:
+			first = remap
+			continue
+		if remap.value.length() > 0 and first.value == remap.value:
+			return true
+	return false