Newton_Editor/plugins/commentzar/plugin.py

118 lines
3.5 KiB
Python

# Python imports
# Lib imports
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
# Application imports
from plugins.plugin_base import PluginBase
from .codecomment_tags import CodeCommentTags
from .remove_comment_mixin import RemoveCommentMixin
from .add_comment_mixin import AddCommentMixin
class Plugin(AddCommentMixin, RemoveCommentMixin, CodeCommentTags, PluginBase):
def __init__(self):
super().__init__()
self.name = "Commentzar" # NOTE: Need to remove after establishing private bidirectional 1-1 message bus
# where self.name should not be needed for message comms
def generate_reference_ui_element(self):
...
def run(self):
...
def subscribe_to_events(self):
self._event_system.subscribe("keyboard_tggl_comment", self._keyboard_tggl_comment)
self._event_system.subscribe("set_active_src_view", self._set_active_src_view)
def _set_active_src_view(self, source_view):
self._active_src_view = source_view
self._buffer = self._active_src_view.get_buffer()
self._tag_table = self._buffer.get_tag_table()
def _keyboard_tggl_comment(self):
buffer = self._buffer
lang = buffer.get_language()
if lang is None:
return
(start_tag, end_tag) = self.get_comment_tags(lang)
if not start_tag and not end_tag:
return
sel = buffer.get_selection_bounds()
currentPosMark = buffer.get_insert()
oldPos = 0
# if user selected chars or multilines
if sel != ():
deselect = False
(start, end) = sel
if not start.starts_line():
start.set_line_offset(0)
if not end.ends_line():
end.forward_to_line_end()
else:
deselect = True
start = buffer.get_iter_at_mark(currentPosMark)
oldPos = buffer.get_iter_at_mark(currentPosMark).get_offset()
start.set_line_offset(0)
end = start.copy()
if not end.ends_line():
end.forward_to_line_end()
if start.get_offset() == end.get_offset():
buffer.begin_user_action()
buffer.insert(start, start_tag)
buffer.insert(start, " ")
buffer.end_user_action()
return
new_code = self.add_comment_characters(buffer, start_tag, end_tag, start, end, deselect, oldPos)
def discard_white_spaces(self, iter):
count = 0
while not iter.ends_line():
c = iter.get_char()
if not c in (" ", "\t"):
return (iter, count)
iter.forward_char()
count += 1
return (iter, 0)
def is_commented(self, comment_pos_iter, start_tag):
head_iter = comment_pos_iter.copy()
self.forward_tag(head_iter, start_tag)
s = comment_pos_iter.get_slice(head_iter)
if s == start_tag:
return True
return False
def forward_tag(self, iter, tag):
iter.forward_chars(len(tag))
def backward_tag(self, iter, tag):
iter.backward_chars(len(tag))
def get_tag_position_in_line(self, tag, head_iter, iter):
while not iter.ends_line():
s = iter.get_slice(head_iter)
if s == tag:
return True
else:
head_iter.forward_char()
iter.forward_char()
return False