extends Node

# Duration of the appear and disappear animations in seconds.

const TRANSITION_DURATION := 0.15

# Margin for info panel so hiding it isn't triggered by a 1px mouse move

const MOUSE_MARGIN := 25.0 * Vector2.ONE

onready var _panel := $Panel as Control

# Makes the mouse interaction area larger than the panel.

onready var _interaction_area := $InteractionArea as Control

onready var _title := $Panel/MarginContainer/Column/Title as Label

onready var _content := $Panel/MarginContainer/Column/Content as RichTextLabel

onready var _tween := $Tween as Tween

# The timer prevents the panel from disappearing instantly when the mouse goes

# out of the area too quickly.

onready var _timer := $Timer as Timer

func _ready() -> void:

_panel.hide()

_interaction_area.hide()

_interaction_area.connect("mouse_exited", self, "disappear")

_timer.connect("timeout", self, "_on_Timer_timeout")

_tween.connect("tween_all_completed", self, "_on_Tween_tween_all_completed")

_content.connect("resized", self, "_on_Content_resized")

func setup(term: String, bbcode_text: String) -> void:

if not is_inside_tree():

yield(self, "ready")

_title.text = term

_content.bbcode_text = bbcode_text

# Places the panel and interaction area based on the current mouse position,

# offsetting it vertically if it goes out of the viewport.

func align_with_mouse(global_mouse_position: Vector2) -> void:

_panel.rect_global_position = global_mouse_position

var rect := _panel.get_global_rect()

var vp_rect := _panel.get_viewport_rect()

if rect.position.y + rect.size.y > vp_rect.size.y:

_panel.rect_global_position.y -= rect.size.y

_interaction_area.rect_global_position = _panel.rect_global_position - MOUSE_MARGIN

_interaction_area.rect_size = _panel.rect_size + MOUSE_MARGIN * 2

func appear() -> void:

_panel.show()

_interaction_area.show()

_tween.stop_all()

_tween.interpolate_property(_panel, "modulate:a", 0.0, 1.0, TRANSITION_DURATION)

_tween.start()

_timer.start()

func disappear() -> void:

if not _timer.is_stopped():

return

_tween.stop_all()

_tween.interpolate_property(_panel, "modulate:a", _panel.modulate.a, 0.0, TRANSITION_DURATION)

_tween.start()

func _on_Timer_timeout() -> void:

if not _interaction_area.get_global_rect().has_point(

_interaction_area.get_global_mouse_position()

):

disappear()

func _on_Tween_tween_all_completed() -> void:

if _panel.modulate.a < 0.01:

_content.bbcode_text = ""

_panel.hide()

_interaction_area.hide()

func _on_Content_resized() -> void:

_panel.set_deferred("rect_size", _panel.rect_min_size)