def __init__(self, json_writer=None, parent=None):
self.writer = json_writer
self.parent = parent
self.recorded_files = []
self.recording_views = []
if self.writer == None:
self.writer = JsonWriter()
self.setup()
class JsonWriterView:
def __init__(self, json_writer=None, parent=None):
self.writer = json_writer
self.parent = parent
self.recorded_files = []
self.recording_views = []
if self.writer == None:
self.writer = JsonWriter()
self.setup()
def setup(self):
# create gui-elements
self.frame = tk.LabelFrame(self.parent, text='Recorder', padx=10, pady=10)
self.frame.grid()
# self.file_label = tk.Label(self.frame, text="JSON File: ")
# self.file_entry = tk.Entry(self.frame, width=20)
self.record_button = tk.Button(self.frame, text='Start recording', command=self.onRecordButton)
self.status_label = tk.Label(self.frame, text='')
self.log_label = tk.Label(self.frame, text='')
# position elements
# self.file_label.grid(column=0, row=0)
# self.file_entry.grid(column=1, row=0)
self.record_button.grid(column=0, row=0)
self.status_label.grid(column=0, row=1)
self.log_label.grid(column=0, row=2)
# initialize
if self.writer:
# self.file_entry.insert(0, self.writer.path)
self.updateStatus(self.writer)
self.writer.startEvent += self.onStart
self.writer.stopEvent += self.onStop
self.writer.frameEvent += self.onFrame
def destroy(self):
if self.writer:
self.writer.stop()
self.writer = None
self.frame.grid_forget()
def onRecordButton(self):
if self.writer.isRunning():
self.writer.stop()
else:
# generate new default (timestamped) json filename
self.writer.setPath() # self.file_entry.get())
# start recording
self.writer.start()
def onStart(self, json_writer):
# add the currently recording file to the list of recorded files
# self.recorded_files.append(json_writer.path)
# update GUI log
# self.log_label.configure(text="\n".join(['Recorded files:']+self.recorded_files))
self.recording_views.append(JsonRecordingView(path=json_writer.path, frameCount=0, parent=self.frame))
# change text of start/stop button
self.record_button.configure(text='Stop recording')
# update status label
self.updateStatus(json_writer)
def onStop(self, json_writer):
# add recorded frame count to the file log
# self.recorded_files[-1] += ' ({0:04d} frames)'.format(json_writer.recordedFrames)
# update GUI log
# self.log_label.configure(text="\n".join(['Recorded files:']+self.recorded_files))
self.recording_views[-1].configure(frameCount=json_writer.recordedFrames)
# change start/button text
self.record_button.configure(text='Start recording')
# update status label
self.updateStatus(json_writer)
def onFrame(self, json_writer):
self.updateStatus(json_writer)
def updateStatus(self, json_writer):
if json_writer.isRunning():
self.status_label.configure(text='Frames Recorded: {0:04d}'.format(json_writer.recordedFrames))
else:
self.status_label.configure(text='')