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()
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 update_indentation(self):
"""Ensure the indentation tags between start and end are up to date"""
# fixup indentation tags
# The general rule is that the indentation at the start of
# each paragraph should determines the indentation of the rest
# of the paragraph
# if no indentation requests are queued then do nothing
if not self._indent_update:
return
self._indent_update = False
self._buf.begin_user_action()
self._buf.begin_noninteractive()
# get range of updating
pos = self._buf.get_iter_at_mark(self._indent_update_start)
end = self._buf.get_iter_at_mark(self._indent_update_end)
pos = move_to_start_of_line(pos)
end.forward_line()
# iterate through the paragraphs that need updating
for pos in paragraph_iter(self._buf, pos, end):
par_end = pos.copy()
par_end.forward_line()
indent_tag = self.get_indent_tag(pos)
# remove bullets mid paragraph
it = pos.copy()
it.forward_char()
while True:
match = it.forward_search(BULLET_STR, 0, par_end)
if not match:
it.backward_char()
pos, par_end = get_paragraph(it)
break
self._buf.move_mark(self._indent_update_start, match[0])
self._buf.delete(match[0], match[1])
it = self._buf.get_iter_at_mark(self._indent_update_start)
par_end = it.copy()
par_end.forward_line()
# check indentation
if indent_tag is None:
# remove all indent tags
# TODO: RichTextBaseBuffer function
self._buf.clear_tag_class(
self._buf.tag_table.lookup(RichTextIndentTag.tag_name(1)),
pos, par_end)
# remove bullets
par_type = "none"
else:
self._buf.clear_tag_class(indent_tag, pos, par_end)
self._buf.apply_tag(indent_tag, pos, par_end)
# check for bullets
par_type = indent_tag.get_par_indent()
# check paragraph type
if par_type == "bullet":
# ensure proper bullet is in place
pos = self._insert_bullet(pos, indent_tag)
elif par_type == "none":
# remove bullets
pos = self._remove_bullet(pos)
else:
raise Exception("unknown par_type '%s'" % par_type)
#self._updating = False
self._buf.end_noninteractive()
self._buf.end_user_action()
def update_indentation(self):
"""Ensure the indentation tags between start and end are up to date"""
# fixup indentation tags
# The general rule is that the indentation at the start of
# each paragraph should determines the indentation of the rest
# of the paragraph
# if no indentation requests are queued then do nothing
if not self._indent_update:
return
self._indent_update = False
self._buf.begin_user_action()
self._buf.begin_noninteractive()
# get range of updating
pos = self._buf.get_iter_at_mark(self._indent_update_start)
end = self._buf.get_iter_at_mark(self._indent_update_end)
pos = move_to_start_of_line(pos)
end.forward_line()
# iterate through the paragraphs that need updating
for pos in paragraph_iter(self._buf, pos, end):
par_end = pos.copy()
par_end.forward_line()
indent_tag = self.get_indent_tag(pos)
# remove bullets mid paragraph
it = pos.copy()
it.forward_char()
while True:
match = it.forward_search(BULLET_STR, 0, par_end)
if not match:
it.backward_char()
pos, par_end = get_paragraph(it)
break
self._buf.move_mark(self._indent_update_start, match[0])
self._buf.delete(match[0], match[1])
it = self._buf.get_iter_at_mark(self._indent_update_start)
par_end = it.copy()
par_end.forward_line()
# check indentation
if indent_tag is None:
# remove all indent tags
# TODO: RichTextBaseBuffer function
self._buf.clear_tag_class(
self._buf.tag_table.lookup(
RichTextIndentTag.tag_name(1)),
pos, par_end)
# remove bullets
par_type = "none"
else:
self._buf.clear_tag_class(indent_tag, pos, par_end)
self._buf.apply_tag(indent_tag, pos, par_end)
# check for bullets
par_type = indent_tag.get_par_indent()
# check paragraph type
if par_type == "bullet":
# ensure proper bullet is in place
pos = self._insert_bullet(pos, indent_tag)
elif par_type == "none":
# remove bullets
pos = self._remove_bullet(pos)
else:
raise Exception("unknown par_type '%s'" % par_type)
#self._updating = False
self._buf.end_noninteractive()
self._buf.end_user_action()
