def detect_subtasks(self, text: str, start: Gtk.TextIter) -> bool:
"""Detect a subtask line. Returns True if a subtask was found."""
# This function has three paths:
# * "Initial" Path: We find the line starts with '- ' and has text.
# * "Modified" Path: We find the line starts with a subtask tag
# * "None" Path: The line doesn't have any subtasks
# The structure of a subtask in terms of text tags is:
# <subtask>
# <checkbox>[ ]</checkbox>
# <internal-link>Subtask name</internal-link>
# </subtask>
# Add a new subtask
if text.startswith('- ') and len(text[2:]) > 0:
# Remove the -
delete_end = start.copy()
delete_end.forward_chars(2)
self.buffer.delete(start, delete_end)
# Add new subtask
tid = self.new_subtask_cb(text[2:])
task = self.req.get_task(tid)
status = task.get_status() if task else 'Active'
# Add the checkbox
self.add_checkbox(tid, start)
after_checkbox = start.copy()
after_checkbox.forward_char()
# Add the internal link
link_tag = InternalLinkTag(tid, status)
self.table.add(link_tag)
end = start.copy()
end.forward_to_line_end()
self.buffer.apply_tag(link_tag, after_checkbox, end)
self.tags_applied.append(link_tag)
# Add the subtask tag
start.backward_char()
subtask_tag = SubTaskTag(tid)
self.table.add(subtask_tag)
self.buffer.apply_tag(subtask_tag, start, end)
self.subtasks['tags'].append(tid)
return True
# A subtask already exists
elif start.starts_tag():
# Detect if it's a subtask tag
sub_tag = None
for tag in start.get_tags():
if type(tag) == SubTaskTag:
sub_tag = tag
# Otherwise return early
if not sub_tag:
return False
# Don't auto-remove it
tid = sub_tag.tid
task = self.req.get_task(tid)
parents = task.get_parents()
# Remove if its not a child of this task
if not parents or parents[0] != self.tid:
log.debug('Task %s is not a subtask of %s', tid, self.tid)
log.debug('Removing subtask %s from content', tid)
end = start.copy()
end.forward_to_line_end()
# Move the start iter to take care of the newline at
# the previous line
start.backward_chars(2)
self.buffer.delete(start, end)
return False
# Check that we still have a checkbox
after_checkbox = start.copy()
after_checkbox.forward_char()
has_checkbox = any(type(t) == CheckboxTag
for t in after_checkbox.get_tags())
if not has_checkbox:
check = self.buffer.get_slice(start, after_checkbox, True)
# Check that there's still a checkbox. If the user has
# deleted all text including the space after the checkbox,
# the check for the tag will return False. In this case
# we want to check if the checkbox is still around, if it
# is the user might still type a new name for the task.
# Otherwise, if the checkbox was deleted, we return and let
# the text tags be deleted.
if check != u'\uFFFC':
return False
try:
self.subtasks['to_delete'].remove(tid)
except ValueError:
pass
self.rename_subtask_cb(tid, text)
# Get the task and instantiate an internal link tag
status = task.get_status() if task else 'Active'
link_tag = InternalLinkTag(tid, status)
self.table.add(link_tag)
# Apply the new internal link tag (which was removed
# by process())
end = start.copy()
end.forward_to_line_end()
self.buffer.apply_tag(link_tag, after_checkbox, end)
self.tags_applied.append(link_tag)
# Re-apply the subtask tag too
self.table.remove(sub_tag)
subtask_tag = SubTaskTag(tid)
self.table.add(subtask_tag)
self.buffer.apply_tag(subtask_tag, start, end)
return True
# No subtask, no fun
else:
return False
def backward_until_special_char(it: Gtk.TextIter):
it.backward_char()
while it.get_char() not in SPECIAL_CHARS_COMPLETION_START:
if not it.backward_char():
return
it.forward_char()
def detect_subtasks(self, text: str, start: Gtk.TextIter) -> bool:
"""Detect a subtask line. Returns True if a subtask was found."""
# This function has three paths:
# * "Initial" Path: We find the line starts with '- ' and has text.
# * "Modified" Path: We find the line starts with a subtask tag
# * "None" Path: The line doesn't have any subtasks
# The structure of a subtask in terms of text tags is:
# <subtask>
# <checkbox>[ ]</checkbox>
# <internal-link>Subtask name</internal-link>
# </subtask>
# Add a new subtask
if text.startswith('- ') and len(text[2:]) > 0:
# Remove the -
delete_end = start.copy()
delete_end.forward_chars(2)
self.buffer.delete(start, delete_end)
# Add new subtask
tid = self.new_subtask_cb(text[2:])
task = self.req.get_task(tid)
status = task.get_status() if task else 'Active'
# Add the checkbox
self.add_checkbox(tid, start)
after_checkbox = start.copy()
after_checkbox.forward_char()
# Add the internal link
link_tag = InternalLinkTag(tid, status)
self.table.add(link_tag)
end = start.copy()
end.forward_to_line_end()
self.buffer.apply_tag(link_tag, after_checkbox, end)
self.tags_applied.append(link_tag)
# Add the subtask tag
start.backward_char()
subtask_tag = SubTaskTag(tid)
self.table.add(subtask_tag)
self.buffer.apply_tag(subtask_tag, start, end)
self.subtasks['tags'].append(tid)
return True
# A subtask already exists
elif start.starts_tag():
# Detect if it's a subtask tag
sub_tag = None
for tag in start.get_tags():
if type(tag) == SubTaskTag:
sub_tag = tag
# Otherwise return early
if not sub_tag:
return False
# Check that we still have a checkbox
after_checkbox = start.copy()
after_checkbox.forward_char()
has_checkbox = any(type(t) == CheckboxTag
for t in after_checkbox.get_tags())
if not has_checkbox:
return False
# Don't auto-remove it
tid = sub_tag.tid
try:
self.subtasks['to_delete'].remove(tid)
except ValueError:
pass
self.rename_subtask_cb(tid, text)
# Get the task and instantiate an internal link tag
task = self.req.get_task(tid)
status = task.get_status() if task else 'Active'
link_tag = InternalLinkTag(tid, status)
self.table.add(link_tag)
# Apply the new internal link tag (which was removed
# by process())
end = start.copy()
end.forward_to_line_end()
self.buffer.apply_tag(link_tag, after_checkbox, end)
self.tags_applied.append(link_tag)
# Re-apply the subtask tag too
self.table.remove(sub_tag)
subtask_tag = SubTaskTag(tid)
self.table.add(subtask_tag)
self.buffer.apply_tag(subtask_tag, start, end)
return True
# No subtask, no fun
else:
return False
def backward_until_space(it: Gtk.TextIter):
it.backward_char()
while it.get_char() not in string.whitespace:
if not it.backward_char():
return
it.forward_char()
