# GNU Solfege - free ear training software
# Copyright (C) 2006, 2007, 2008 Tom Cato Amundsen
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from __future__ import absolute_import
from solfege import abstract
from solfege import lessonfile
from solfege import mpd
from solfege.exercises import rhythmtapping
class Teacher(abstract.RhythmAddOnClass, rhythmtapping.Teacher):
def __init__(self, exname):
rhythmtapping.Teacher.__init__(self, exname)
self.lessonfileclass = lessonfile.HeaderLessonfile
def play_question(self):
self.play_rhythm(self.get_music_string())
def get_timedelta_list(self):
"""
Return a list of the number of seconds between it should be between
each tap.
"""
lexer = mpd.parser.Lexer(self.get_music_notenames(False))
x = len(lexer.m_string)
retval = []
for toc, toc_data in lexer:
retval.append(float(toc_data.m_duration.get_rat_value()) * 4 / self.m_P.header.bpm * 60)
return retval
class Gui(rhythmtapping.Gui, abstract.RhythmAddOnGuiClass):
def __init__(self, teacher):
rhythmtapping.Gui.__init__(self, teacher)
self.add_select_elements_gui()
self.add_select_num_beats_gui()
def do_at_question_start_show_play(self):
"""
It will show and/or play music based on
the header.at_question_start variable.
The Teacher class of all exercises that use this method must
have a .play_question method.
"""
if self.m_t.m_P.header.at_question_start == 'show':
self.show_answer()
elif self.m_t.m_P.header.at_question_start == 'play':
self.m_t.play_question()
#if 'cuemusic' in self.m_t.m_P.get_question():
# self.display_music('cuemusic')
else:
# Have to do it this way because both lesson files with question
# blocks and lesson files with only a lesson file header use
# this method. And only lesson files based on QuestionsLessonfile
# implement .play_question.
self.m_t.play_question()
if 'show' in self.m_t.m_P.header.at_question_start \
and 'play' in self.m_t.m_P.header.at_question_start:
self.show_answer()
def on_repeat(self, widget):
self.m_t.play_question()
self.g_tap.grab_focus()
def on_start_practise(self):
self.m_t.m_custom_mode = bool(self.m_t.m_P.header.configurable_rhythm_elements)
self.m_t.set_elements_variables()
if self.m_t.m_custom_mode:
self.update_select_elements_buttons()
self.g_element_frame.show()
else:
self.g_element_frame.hide()
self.m_t.set_default_header_values()
rhythmtapping.Gui.on_start_practise(self)
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