class_name ListRow
extends PanelContainer
## One item in a list of names, such as the inspiration list or a sync result column.
##
## Every row has its own background, alternating between two shades, so it is clear
## where an item starts even when its text wraps over several lines.

const EVEN_BACKGROUND: Color = Color(1, 1, 1, 0.05)
const ODD_BACKGROUND: Color = Color(1, 1, 1, 0.11)

static var _even_style: StyleBoxFlat
static var _odd_style: StyleBoxFlat

## The label showing the item's text.
var label: Label

## The item's text.
var text: String:
	get:
		return label.text


## Creates the row for item number [param row] (counting from 0) in a list.
static func create(
		item_text: String,
		row: int,
		font_size: int,
		alignment: HorizontalAlignment = HORIZONTAL_ALIGNMENT_LEFT,
) -> ListRow:
	var list_row: ListRow = ListRow.new()
	list_row.add_theme_stylebox_override("panel", _style(row % 2 != 0))
	list_row.label = Label.new()
	list_row.label.add_theme_font_size_override("font_size", font_size)
	list_row.label.text = item_text
	list_row.label.horizontal_alignment = alignment
	list_row.label.autowrap_mode = TextServer.AUTOWRAP_WORD_SMART
	list_row.add_child(list_row.label)
	return list_row


# Rows share two styles instead of each creating its own
static func _style(odd: bool) -> StyleBoxFlat:
	if _even_style == null:
		_even_style = _make_style(EVEN_BACKGROUND)
		_odd_style = _make_style(ODD_BACKGROUND)
	return _odd_style if odd else _even_style


static func _make_style(background: Color) -> StyleBoxFlat:
	var style: StyleBoxFlat = StyleBoxFlat.new()
	style.bg_color = background
	style.set_corner_radius_all(4)
	style.content_margin_left = 8
	style.content_margin_right = 8
	style.content_margin_top = 2
	style.content_margin_bottom = 2
	return style