def change_indent(self, start, end, change):
"""Change indentation level"""
# determine region
if start is None or end is None:
start, end = get_paragraphs_selected(self._buf)
self._buf.begin_user_action()
# loop through paragraphs
for pos in paragraph_iter(self._buf, start, end):
par_end = pos.copy()
par_end.forward_line()
indent, par_indent = self.get_indent(pos)
if indent + change > 0:
tag = self._buf.tag_table.lookup(
RichTextIndentTag.tag_name(indent + change, par_indent))
self._buf.clear_tag_class(tag, pos, par_end)
self._buf.apply_tag(tag, pos, par_end)
elif indent > 0:
# remove indent and possible bullets
self._buf.clear_tag_class(
self._buf.tag_table.lookup(
RichTextIndentTag.tag_name(indent, par_indent)), pos,
par_end)
self._remove_bullet(pos)
else:
# do nothing
pass
self._buf.end_user_action()
def toggle_bullet_list(self, par_type=None):
"""Toggle the state of a bullet list"""
self._buf.begin_user_action()
# round selection to nearest paragraph
start, end = get_paragraphs_selected(self._buf)
start, end = self._ensure_par_newline(start, end)
# toggle bullet presence
if par_type is None:
# are all paragraphs bulleted?
all_bullets = True
for pos in paragraph_iter(self._buf, start, end):
if self.get_indent(pos)[1] != "bullet":
all_bullets = False
break
if all_bullets:
par_type = "none"
else:
par_type = "bullet"
# set each paragraph's bullet status
for pos in paragraph_iter(self._buf, start, end):
par_end = pos.copy()
par_end.forward_line()
self._set_bullet_list_paragraph(pos, par_end, par_type)
self._buf.end_user_action()
def toggle_bullet_list(self, par_type=None):
"""Toggle the state of a bullet list"""
self._buf.begin_user_action()
# round selection to nearest paragraph
start, end = get_paragraphs_selected(self._buf)
start, end = self._ensure_par_newline(start, end)
# toggle bullet presence
if par_type is None:
# are all paragraphs bulleted?
all_bullets = True
for pos in paragraph_iter(self._buf, start, end):
if self.get_indent(pos)[1] != "bullet":
all_bullets = False
break
if all_bullets:
par_type = "none"
else:
par_type = "bullet"
# set each paragraph's bullet status
for pos in paragraph_iter(self._buf, start, end):
par_end = pos.copy()
par_end.forward_line()
self._set_bullet_list_paragraph(pos, par_end, par_type)
self._buf.end_user_action()
def change_indent(self, start, end, change):
"""Change indentation level"""
# determine region
if start is None or end is None:
start, end = get_paragraphs_selected(self._buf)
self._buf.begin_user_action()
# loop through paragraphs
for pos in paragraph_iter(self._buf, start, end):
par_end = pos.copy()
par_end.forward_line()
indent, par_indent = self.get_indent(pos)
if indent + change > 0:
tag = self._buf.tag_table.lookup(
RichTextIndentTag.tag_name(indent + change,
par_indent))
self._buf.clear_tag_class(tag, pos, par_end)
self._buf.apply_tag(tag, pos, par_end)
elif indent > 0:
# remove indent and possible bullets
self._buf.clear_tag_class(
self._buf.tag_table.lookup(
RichTextIndentTag.tag_name(indent, par_indent)),
pos, par_end)
self._remove_bullet(pos)
else:
# do nothing
pass
self._buf.end_user_action()
