TinyAdventure/addons/dialogue_manager/components/code_edit.gd

428 lines
13 KiB
GDScript

@tool
extends CodeEdit
signal active_title_change(title: String)
signal error_clicked(line_number: int)
signal external_file_requested(path: String, title: String)
const DialogueSyntaxHighlighter = preload("./code_edit_syntax_highlighter.gd")
# A link back to the owner MainView
var main_view
# Theme overrides for syntax highlighting, etc
var theme_overrides: Dictionary:
set(value):
theme_overrides = value
syntax_highlighter = DialogueSyntaxHighlighter.new()
# General UI
add_theme_color_override("font_color", theme_overrides.text_color)
add_theme_color_override("background_color", theme_overrides.background_color)
add_theme_color_override("current_line_color", theme_overrides.current_line_color)
add_theme_font_override("font", get_theme_font("source", "EditorFonts"))
add_theme_font_size_override("font_size", theme_overrides.font_size * theme_overrides.scale)
font_size = round(theme_overrides.font_size)
get:
return theme_overrides
# Any parse errors
var errors: Array:
set(next_errors):
errors = next_errors
for i in range(0, get_line_count()):
var is_error: bool = false
for error in errors:
if error.line_number == i:
is_error = true
mark_line_as_error(i, is_error)
_on_code_edit_caret_changed()
get:
return errors
# The last selection (if there was one) so we can remember it for refocusing
var last_selected_text: String
var font_size: int:
set(value):
font_size = value
add_theme_font_size_override("font_size", font_size * theme_overrides.scale)
get:
return font_size
var WEIGHTED_RANDOM_PREFIX: RegEx = RegEx.create_from_string("^\\%[\\d.]+\\s")
func _ready() -> void:
# Add error gutter
add_gutter(0)
set_gutter_type(0, TextEdit.GUTTER_TYPE_ICON)
# Add comment delimiter
if not has_comment_delimiter("#"):
add_comment_delimiter("#", "", true)
syntax_highlighter = DialogueSyntaxHighlighter.new()
func _gui_input(event: InputEvent) -> void:
# Handle shortcuts that come from the editor
if event is InputEventKey and event.is_pressed():
var shortcut: String = Engine.get_meta("DialogueManagerPlugin").get_editor_shortcut(event)
match shortcut:
"toggle_comment":
toggle_comment()
get_viewport().set_input_as_handled()
"move_up":
move_line(-1)
get_viewport().set_input_as_handled()
"move_down":
move_line(1)
get_viewport().set_input_as_handled()
"text_size_increase":
self.font_size += 1
get_viewport().set_input_as_handled()
"text_size_decrease":
self.font_size -= 1
get_viewport().set_input_as_handled()
"text_size_reset":
self.font_size = theme_overrides.font_size
get_viewport().set_input_as_handled()
elif event is InputEventMouse:
match event.as_text():
"Ctrl+Mouse Wheel Up", "Command+Mouse Wheel Up":
self.font_size += 1
get_viewport().set_input_as_handled()
"Ctrl+Mouse Wheel Down", "Command+Mouse Wheel Down":
self.font_size -= 1
get_viewport().set_input_as_handled()
func _can_drop_data(at_position: Vector2, data) -> bool:
if typeof(data) != TYPE_DICTIONARY: return false
if data.type != "files": return false
var files: PackedStringArray = Array(data.files).filter(func(f): return f.get_extension() == "dialogue")
return files.size() > 0
func _drop_data(at_position: Vector2, data) -> void:
var replace_regex: RegEx = RegEx.create_from_string("[^a-zA-Z_0-9]+")
var files: PackedStringArray = Array(data.files).filter(func(f): return f.get_extension() == "dialogue")
for file in files:
# Don't import the file into itself
if file == main_view.current_file_path: continue
var path = file.replace("res://", "").replace(".dialogue", "")
# Find the first non-import line in the file to add our import
var lines = text.split("\n")
for i in range(0, lines.size()):
if not lines[i].begins_with("import "):
insert_line_at(i, "import \"%s\" as %s\n" % [file, replace_regex.sub(path, "_", true)])
set_caret_line(i)
break
func _request_code_completion(force: bool) -> void:
var cursor: Vector2 = get_cursor()
var current_line: String = get_line(cursor.y)
if ("=> " in current_line or "=>< " in current_line) and (cursor.x > current_line.find("=>")):
var prompt: String = current_line.split("=>")[1]
if prompt.begins_with("< "):
prompt = prompt.substr(2)
else:
prompt = prompt.substr(1)
if "=> " in current_line:
if matches_prompt(prompt, "end"):
add_code_completion_option(CodeEdit.KIND_CLASS, "END", "END".substr(prompt.length()), theme_overrides.text_color, get_theme_icon("Stop", "EditorIcons"))
if matches_prompt(prompt, "end!"):
add_code_completion_option(CodeEdit.KIND_CLASS, "END!", "END!".substr(prompt.length()), theme_overrides.text_color, get_theme_icon("Stop", "EditorIcons"))
# Get all titles, including those in imports
var parser: DialogueManagerParser = DialogueManagerParser.new()
parser.prepare(text, main_view.current_file_path, false)
for title in parser.titles:
if "/" in title:
var bits = title.split("/")
if matches_prompt(prompt, bits[0]) or matches_prompt(prompt, bits[1]):
add_code_completion_option(CodeEdit.KIND_CLASS, title, title.substr(prompt.length()), theme_overrides.text_color, get_theme_icon("CombineLines", "EditorIcons"))
elif matches_prompt(prompt, title):
add_code_completion_option(CodeEdit.KIND_CLASS, title, title.substr(prompt.length()), theme_overrides.text_color, get_theme_icon("ArrowRight", "EditorIcons"))
update_code_completion_options(true)
parser.free()
return
var name_so_far: String = WEIGHTED_RANDOM_PREFIX.sub(current_line.strip_edges(), "")
if name_so_far != "" and name_so_far[0].to_upper() == name_so_far[0]:
# Only show names starting with that character
var names: PackedStringArray = get_character_names(name_so_far)
if names.size() > 0:
for name in names:
add_code_completion_option(CodeEdit.KIND_CLASS, name + ": ", name.substr(name_so_far.length()) + ": ", theme_overrides.text_color, get_theme_icon("Sprite2D", "EditorIcons"))
update_code_completion_options(true)
else:
cancel_code_completion()
func _filter_code_completion_candidates(candidates: Array) -> Array:
# Not sure why but if this method isn't overridden then all completions are wrapped in quotes.
return candidates
func _confirm_code_completion(replace: bool) -> void:
var completion = get_code_completion_option(get_code_completion_selected_index())
begin_complex_operation()
# Delete any part of the text that we've already typed
for i in range(0, completion.display_text.length() - completion.insert_text.length()):
backspace()
# Insert the whole match
insert_text_at_caret(completion.display_text)
end_complex_operation()
# Close the autocomplete menu on the next tick
call_deferred("cancel_code_completion")
### Helpers
# Get the current caret as a Vector2
func get_cursor() -> Vector2:
return Vector2(get_caret_column(), get_caret_line())
# Set the caret from a Vector2
func set_cursor(from_cursor: Vector2) -> void:
set_caret_line(from_cursor.y)
set_caret_column(from_cursor.x)
# Check if a prompt is the start of a string without actually being that string
func matches_prompt(prompt: String, matcher: String) -> bool:
return prompt.length() < matcher.length() and matcher.to_lower().begins_with(prompt.to_lower())
## Get a list of titles from the current text
func get_titles() -> PackedStringArray:
var titles = PackedStringArray([])
var lines = text.split("\n")
for line in lines:
if line.begins_with("~ "):
titles.append(line.substr(2).strip_edges())
return titles
## Work out what the next title above the current line is
func check_active_title() -> void:
var line_number = get_caret_line()
var lines = text.split("\n")
# Look at each line above this one to find the next title line
for i in range(line_number, -1, -1):
if lines[i].begins_with("~ "):
active_title_change.emit(lines[i].replace("~ ", ""))
return
active_title_change.emit("")
# Move the caret line to match a given title
func go_to_title(title: String) -> void:
var lines = text.split("\n")
for i in range(0, lines.size()):
if lines[i].strip_edges() == "~ " + title:
set_caret_line(i)
center_viewport_to_caret()
func get_character_names(beginning_with: String) -> PackedStringArray:
var names: PackedStringArray = []
var lines = text.split("\n")
for line in lines:
if ": " in line:
var name: String = WEIGHTED_RANDOM_PREFIX.sub(line.split(": ")[0].strip_edges(), "")
if not name in names and matches_prompt(beginning_with, name):
names.append(name)
return names
# Mark a line as an error or not
func mark_line_as_error(line_number: int, is_error: bool) -> void:
if is_error:
set_line_background_color(line_number, theme_overrides.error_line_color)
set_line_gutter_icon(line_number, 0, get_theme_icon("StatusError", "EditorIcons"))
else:
set_line_background_color(line_number, theme_overrides.background_color)
set_line_gutter_icon(line_number, 0, null)
# Insert or wrap some bbcode at the caret/selection
func insert_bbcode(open_tag: String, close_tag: String = "") -> void:
if close_tag == "":
insert_text_at_caret(open_tag)
grab_focus()
else:
var selected_text = get_selected_text()
insert_text_at_caret("%s%s%s" % [open_tag, selected_text, close_tag])
grab_focus()
set_caret_column(get_caret_column() - close_tag.length())
# Insert text at current caret position
# Move Caret down 1 line if not => END
func insert_text_at_cursor(text: String) -> void:
if text != "=> END":
insert_text_at_caret(text+"\n")
set_caret_line(get_caret_line()+1)
else:
insert_text_at_caret(text)
grab_focus()
# Toggle the selected lines as comments
func toggle_comment() -> void:
begin_complex_operation()
var comment_delimiter: String = delimiter_comments[0]
var is_first_line: bool = true
var will_comment: bool = true
var selections: Array = []
var line_offsets: Dictionary = {}
for caret_index in range(0, get_caret_count()):
var from_line: int = get_caret_line(caret_index)
var from_column: int = get_caret_column(caret_index)
var to_line: int = get_caret_line(caret_index)
var to_column: int = get_caret_column(caret_index)
if has_selection(caret_index):
from_line = get_selection_from_line(caret_index)
to_line = get_selection_to_line(caret_index)
from_column = get_selection_from_column(caret_index)
to_column = get_selection_to_column(caret_index)
selections.append({
from_line = from_line,
from_column = from_column,
to_line = to_line,
to_column = to_column
})
for line_number in range(from_line, to_line + 1):
if line_offsets.has(line_number): continue
var line_text: String = get_line(line_number)
# The first line determines if we are commenting or uncommentingg
if is_first_line:
is_first_line = false
will_comment = not line_text.strip_edges().begins_with(comment_delimiter)
# Only comment/uncomment if the current line needs to
if will_comment:
set_line(line_number, comment_delimiter + line_text)
line_offsets[line_number] = 1
elif line_text.begins_with(comment_delimiter):
set_line(line_number, line_text.substr(comment_delimiter.length()))
line_offsets[line_number] = -1
else:
line_offsets[line_number] = 0
for caret_index in range(0, get_caret_count()):
var selection: Dictionary = selections[caret_index]
select(
selection.from_line,
selection.from_column + line_offsets[selection.from_line],
selection.to_line,
selection.to_column + line_offsets[selection.to_line],
caret_index
)
set_caret_column(selection.from_column + line_offsets[selection.from_line], false, caret_index)
end_complex_operation()
text_set.emit()
text_changed.emit()
# Move the selected lines up or down
func move_line(offset: int) -> void:
offset = clamp(offset, -1, 1)
var cursor = get_cursor()
var reselect: bool = false
var from: int = cursor.y
var to: int = cursor.y
if has_selection():
reselect = true
from = get_selection_from_line()
to = get_selection_to_line()
var lines := text.split("\n")
# We can't move the lines out of bounds
if from + offset < 0 or to + offset >= lines.size(): return
var target_from_index = from - 1 if offset == -1 else to + 1
var target_to_index = to if offset == -1 else from
var line_to_move = lines[target_from_index]
lines.remove_at(target_from_index)
lines.insert(target_to_index, line_to_move)
text = "\n".join(lines)
cursor.y += offset
from += offset
to += offset
if reselect:
select(from, 0, to, get_line_width(to))
set_cursor(cursor)
text_changed.emit()
### Signals
func _on_code_edit_symbol_validate(symbol: String) -> void:
if symbol.begins_with("res://") and symbol.ends_with(".dialogue"):
set_symbol_lookup_word_as_valid(true)
return
for title in get_titles():
if symbol == title:
set_symbol_lookup_word_as_valid(true)
return
set_symbol_lookup_word_as_valid(false)
func _on_code_edit_symbol_lookup(symbol: String, line: int, column: int) -> void:
if symbol.begins_with("res://") and symbol.ends_with(".dialogue"):
external_file_requested.emit(symbol, "")
else:
go_to_title(symbol)
func _on_code_edit_text_changed() -> void:
request_code_completion(true)
func _on_code_edit_text_set() -> void:
queue_redraw()
func _on_code_edit_caret_changed() -> void:
check_active_title()
last_selected_text = get_selected_text()
func _on_code_edit_gutter_clicked(line: int, gutter: int) -> void:
var line_errors = errors.filter(func(error): return error.line_number == line)
if line_errors.size() > 0:
error_clicked.emit(line)