Remove dependency on ItemSelection

user_interface/button_selection.gd

@@ -1,86 +0,0 @@
-@tool
-class_name ItemSelection extends HFlowContainer
-
-##
-## An item has been selected via GUI selection or [method select_item].
-##
-signal item_selected(index: int)
-
-var _button_group := ButtonGroup.new()
-
-##
-## Number of items in the selection.
-##
-var item_count: int:
-	get:
-		return _button_group.get_buttons().size()
-
-func _get_configuration_warnings() -> PackedStringArray:
-	var warnings := PackedStringArray()
-	var children := get_children()
-
-	if not(children.is_empty()):
-		var self_class_name := get_class()
-
-		for child in get_children():
-			warnings.append(
-				"{0} can only have Button children, but {1} is of type {2}".format(
-					[self_class_name, child.name, child.get_class()]))
-
-	return warnings
-
-##
-## Adds a new item with no text and only [code]icon[/code] as the icon to the selection.
-##
-func add_icon_item(icon: Texture2D) -> void:
-	var child_count := get_child_count()
-	var button := Button.new()
-
-	button.icon = icon
-	button.icon_alignment = HORIZONTAL_ALIGNMENT_CENTER
-	button.toggle_mode = true
-	button.button_group = _button_group
-	button.button_pressed = child_count == 0
-
-	button.pressed.connect(func () -> void: select_item(child_count))
-	add_child(button)
-
-##
-## Returns the icon used by the item at [code]index[/code].
-##
-## An assertion is raised if [code]index[/code] is out of bounds from the item count.
-##
-func get_item_icon(index: int) -> Texture2D:
-	var buttons := _button_group.get_buttons()
-
-	assert(index < buttons.size(), "index out of range")
-
-	var button := buttons[index] as Button
-
-	return null if (button == null) else button.icon
-
-##
-## Returns the currently selected item index or [code]-1[/code] if no item is selected. 
-##
-func get_selected_item() -> int:
-	var pressed_button := _button_group.get_pressed_button()
-
-	return -1 if (pressed_button == null) else pressed_button.get_index()
-
-##
-## Selects the item at [code]index[/code], emitting [signal item_selected] at the end.
-##
-## An assertion is raised if [code]index[/code] is out of bounds from the item count.
-##
-func select_item(index: int) -> void:
-	var buttons := _button_group.get_buttons()
-
-	assert(index < buttons.size(), "index out of range")
-
-	var pressed_button := _button_group.get_pressed_button()
-
-	if pressed_button != null:
-		pressed_button.set_pressed_no_signal(false)
-
-	buttons[index].set_pressed_no_signal(true)
-	item_selected.emit(index)