extends Window

@onready var rtl = $TextDisplay/RichTextLabel
var _has_opened_file = false


func _get_file_as_text(path):
	var to_return = null
	var f = File.new()
	var result = f.open(path, f.READ)
	if result == OK:
		to_return = f.get_as_text()
		f.close()
	else:
		to_return = str("ERROR:  Could not open file.  Error code ", result)
	return to_return


func _ready():
	rtl.clear()


func _on_OpenFile_pressed():
	$FileDialog.popup_centered()


func _on_FileDialog_file_selected(path):
	show_file(path)


func _on_Close_pressed():
	self.hide()


func show_file(path):
	var text = _get_file_as_text(path)
	if text == "":
		text = "<Empty File>"
	rtl.set_text(text)
	self.window_title = path


func show_open():
	self.popup_centered()
	$FileDialog.popup_centered()


func _on_FileDialog_popup_hide():
	if rtl.text.length() == 0:
		self.hide()


func get_rich_text_label():
	return $TextDisplay/RichTextLabel


func _on_Home_pressed():
	rtl.scroll_to_line(0)


func _on_End_pressed():
	rtl.scroll_to_line(rtl.get_line_count() - 1)


func _on_Copy_pressed():
	OS.clipboard = rtl.text