def _toggle_line_comment(self, action):
"""
Toggles line comment in the selection.
"""
buffer = self._window.get_active_document()
if buffer == None:
return
bounds = buffer.get_selection_bounds()
if len(bounds) == 0:
# no selection
start_line_nb = utils.get_iter_cursor(buffer).get_line()
end_line_nb = start_line_nb
else:
start_line_nb = bounds[0].get_line()
end_line_nb = bounds[1].get_line()
# check if all of the lines begin with '//'
add_mode = False
for line_nb in xrange(start_line_nb, end_line_nb + 1):
lcs_start = buffer.get_iter_at_line(line_nb)
# skip indentation whitespace
while lcs_start.get_char() in ('\t', ' '):
lcs_start.forward_char()
lcs_end = lcs_start.copy()
lcs_end.forward_chars(2)
lcs = buffer.get_slice(lcs_start, lcs_end)
if lcs != '//':
add_mode = True
break
if add_mode:
# add '//' to beginning of all selection lines
buffer.begin_user_action()
for i in xrange(start_line_nb, end_line_nb + 1):
buffer.insert(buffer.get_iter_at_line(i), "//")
buffer.end_user_action()
else:
# remove '//' from beginning of all selection lines
buffer.begin_user_action()
for i in xrange(start_line_nb, end_line_nb + 1):
lcs_start = buffer.get_iter_at_line(i)
# skip indentation whitespace
while lcs_start.get_char() in ('\t', ' '):
lcs_start.forward_char()
lcs_end = lcs_start.copy()
lcs_end.forward_chars(2)
buffer.delete(lcs_start, lcs_end)
buffer.end_user_action()
def _format(self, show_err):
buffer = self._window.get_active_document()
text = buffer.get_text(buffer.get_start_iter(), buffer.get_end_iter())
try:
p = subprocess.Popen([self._plugin.model.gobin_path + '/gofmt'],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdoutdata, stderrdata = p.communicate(text)
except OSError as e:
if show_err:
dialog = gtk.MessageDialog(flags=gtk.DIALOG_DESTROY_WITH_PARENT,
type=gtk.MESSAGE_ERROR,
buttons=gtk.BUTTONS_OK)
dialog.set_markup(_("An error occurred when <i>gofmt</i> was attempted to run:"))
dialog.format_secondary_markup('<span font_family="monospace">' +
glib.markup_escape_text(str(e)) +
'</span>')
dialog.run()
dialog.destroy()
if len(stderrdata) != 0:
if show_err:
dialog = gtk.MessageDialog(flags=gtk.DIALOG_DESTROY_WITH_PARENT,
type=gtk.MESSAGE_ERROR,
buttons=gtk.BUTTONS_OK)
dialog.set_markup(_("An error occurred while running <i>gofmt</i>:"))
if len(stderrdata) > utils.MAX_ERR_MSG_LEN: # cut down too long error messages
stderrdata = stderrdata[:utils.MAX_ERR_MSG_LEN] + "..."
dialog.format_secondary_markup('<span font_family="monospace">' +
glib.markup_escape_text(stderrdata) +
'</span>')
dialog.run()
dialog.destroy()
return
# save the cursor position before modifying the document
cursor_iter = utils.get_iter_cursor(buffer)
offset = cursor_iter.get_offset()
old_buf_len = buffer.get_char_count()
buffer.begin_user_action()
buffer.set_text(stdoutdata)
# attempt to return the cursor back to where it was
new_buf_len = buffer.get_char_count()
# adjust offset to account for indentation changes
new_offset = offset + (new_buf_len - old_buf_len)
buffer.place_cursor(buffer.get_iter_at_offset(new_offset))
view = self._window.get_active_view()
utils.scroll_to_insert(buffer, view)
buffer.end_user_action()
def on_key_press(self, view, event, buffer):
key_name = gtk.gdk.keyval_name(event.keyval)
# if user deletes non-letter or non-decimal-digit unicode character then hide code completion window
if key_name == 'BackSpace':
delchariter = utils.get_iter_cursor(buffer)
delchariter.backward_char()
del_char = delchariter.get_char()
# L == letter, Nd == number, decimal digit
if unicodedata.category(del_char)[0] != 'L' and unicodedata.category(del_char) != 'Nd':
completion = view.get_completion()
completion.hide()
def do_populate(self, context):
buffer = context.get_iter().get_buffer()
odata = self._get_odata(buffer, utils.get_iter_cursor(buffer))
if not odata:
# no proposals
return context.add_proposals(self, [], True)
proposals = []
for po in self._get_podata(odata):
proposals.append(gsv.CompletionItem(po[0], po[1], po[2], po[3]))
context.add_proposals(self, proposals, True)
def do_get_start_iter(self, context, proposal):
return utils.get_iter_cursor(context.get_iter().get_buffer())
