def __init__(self, parent, sim_method, output_stream, duration=1000):
super(Explorer, self).__init__(parent)
self.setWindowTitle('Myokit Explorer')
self._sim_method = sim_method
self._stream = output_stream
# Set guess for run times
guess_pre = 0
guess_run = duration
# Explorer data
self._data = None
self._keys = None
# Fix background color of line edits
self.setStyleSheet('QLineEdit{background: white;}')
# Create top widgets
label1 = QtWidgets.QLabel('Run unlogged for ')
label2 = QtWidgets.QLabel(' and then log for ')
self._pre_field = QtWidgets.QLineEdit(str(guess_pre))
self._pre_valid = QtGui.QDoubleValidator()
self._pre_valid.setBottom(0)
self._pre_field.setValidator(self._pre_valid)
self._run_field = QtWidgets.QLineEdit(str(guess_run))
self._run_valid = QtGui.QDoubleValidator()
self._run_valid.setBottom(0)
self._run_field.setValidator(self._run_valid)
self._clear_button = QtWidgets.QPushButton('Clear graphs')
self._clear_button.clicked.connect(self.action_clear)
self._run_button = QtWidgets.QPushButton('Run')
self._run_button.clicked.connect(self.action_run)
# Create graph widgets
self._axes = None
self._figure = matplotlib.figure.Figure()
self._canvas = backend.FigureCanvasQTAgg(self._figure)
self._toolbar = backend.NavigationToolbar2QT(self._canvas, self)
self._select_x = QtWidgets.QComboBox()
self._select_x.currentIndexChanged.connect(self.combo_changed)
self._select_y = QtWidgets.QComboBox()
self._select_y.currentIndexChanged.connect(self.combo_changed)
# Create bottom widgets
self._close_button = QtWidgets.QPushButton('Close')
self._close_button.clicked.connect(self.action_close)
# Create button layout
button_layout = QtWidgets.QBoxLayout(QtWidgets.QBoxLayout.LeftToRight)
button_layout.addWidget(label1)
button_layout.addWidget(self._pre_field)
button_layout.addWidget(label2)
button_layout.addWidget(self._run_field)
button_layout.addWidget(self._clear_button)
button_layout.addWidget(self._run_button)
# Create graph options layout
graph_option_layout = QtWidgets.QBoxLayout(
QtWidgets.QBoxLayout.LeftToRight)
graph_option_layout.addWidget(self._select_x)
graph_option_layout.addWidget(self._select_y)
# Create bottom layout
bottom_layout = QtWidgets.QBoxLayout(QtWidgets.QBoxLayout.LeftToRight)
bottom_layout.addWidget(self._close_button)
# Create central layout
layout = QtWidgets.QBoxLayout(QtWidgets.QBoxLayout.TopToBottom)
layout.addLayout(button_layout)
layout.addLayout(graph_option_layout)
layout.addWidget(self._canvas)
layout.addWidget(self._toolbar)
layout.addLayout(bottom_layout)
self.setLayout(layout)
def __init__(self, filename=None):
super(DataBlockViewer, self).__init__()
# Set application icon
self.setWindowIcon(icon())
# Set size, center
self.resize(800, 600)
self.setMinimumSize(600, 400)
qr = self.frameGeometry()
cp = QtWidgets.QDesktopWidget().availableGeometry().center()
qr.moveCenter(cp)
self.move(qr.topLeft())
# Status bar
self._label_cursor = QtWidgets.QLabel()
self.statusBar().addPermanentWidget(self._label_cursor)
self.statusBar().showMessage('Ready')
# Menu bar
self.create_menu()
# Timer
self._timer_interval = 50
self._timer = QtCore.QTimer(self)
self._timer.setInterval(self._timer_interval)
self._timer.setSingleShot(False)
self._timer.timeout.connect(self.action_next_frame)
self._timer_paused = False
try:
self._timer.setTimerType(Qt.PreciseTimer)
except AttributeError:
pass # Qt4 uses precise timer by default
# Video widget
self._video_scene = VideoScene()
self._video_scene.mouse_moved.connect(self.event_mouse_move)
self._video_scene.single_click.connect(self.event_single_click)
self._video_scene.double_click.connect(self.event_double_click)
self._video_view = VideoView(self._video_scene)
#self._video_view.setViewport(QtOpenGL.QGLWidget())
self._video_pixmap = None
self._video_item = None
self._video_frames = None
self._video_iframe = None
self._colormap_pixmap = None
self._colormap_item = None
# Video slider
self._slider = QtWidgets.QSlider(Qt.Horizontal)
self._slider.setTickPosition(QtWidgets.QSlider.NoTicks)
#self._slider.setTickPosition(QtWidgets.QSlider.TicksBothSides)
self._slider.setSingleStep(1)
self._slider.setMinimum(0)
self._slider.setMaximum(0)
self._slider.sliderPressed.connect(self.action_pause_timer)
self._slider.sliderReleased.connect(self.action_depause_timer)
self._slider.valueChanged.connect(self.action_set_frame)
# Controls
style = QtWidgets.QApplication.style()
# Play button
self._play_icon_play = style.standardIcon(style.SP_MediaPlay)
self._play_icon_pause = style.standardIcon(style.SP_MediaPause)
self._play_button = QtWidgets.QPushButton()
self._play_button.setIcon(self._play_icon_play)
self._play_button.pressed.connect(self.action_start_stop)
# Frame indicator
self._frame_label = QtWidgets.QLabel('Frame')
self._frame_field = QtWidgets.QLineEdit('0')
self._frame_field.setReadOnly(True)
self._frame_field.setMaxLength(6)
self._frame_field.setMaximumWidth(100)
self._frame_label.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
# Time indicator
self._time_label = QtWidgets.QLabel('Time')
self._time_field = QtWidgets.QLineEdit('0')
self._time_field.setReadOnly(True)
self._time_field.setMaxLength(6)
self._time_field.setMaximumWidth(100)
self._time_label.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
# Speed indicator
self._rate_label = QtWidgets.QLabel('Delay')
self._rate_field = QtWidgets.QLineEdit(str(self._timer_interval))
self._rate_field.setValidator(QtGui.QIntValidator(1, 2**20, self))
self._rate_field.editingFinished.connect(self.event_rate_changed)
self._rate_field.setMaximumWidth(100)
self._rate_label.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
# Graph controls
self._graph_clear_button = QtWidgets.QPushButton('Clear graphs')
self._graph_clear_button.pressed.connect(self.action_clear_graphs)
# Variable selection
self._variable_select = QtWidgets.QComboBox()
self._variable_select.activated.connect(self.event_variable_selected)
self._variable_select.setMinimumWidth(120)
# Colormap selection
self._colormap = myokit.ColorMap.names().next()
self._colormap_select = QtWidgets.QComboBox()
for cmap in myokit.ColorMap.names():
self._colormap_select.addItem(cmap)
self._colormap_select.activated.connect(self.event_colormap_selected)
self._colormap_select.setMinimumWidth(120)
# Control layout
self._control_layout = QtWidgets.QHBoxLayout()
self._control_layout.addWidget(self._play_button)
self._control_layout.addWidget(self._frame_label)
self._control_layout.addWidget(self._frame_field)
self._control_layout.addWidget(self._time_label)
self._control_layout.addWidget(self._time_field)
self._control_layout.addWidget(self._rate_label)
self._control_layout.addWidget(self._rate_field)
self._control_layout.addWidget(self._graph_clear_button)
self._control_layout.addWidget(self._variable_select)
self._control_layout.addWidget(self._colormap_select)
# Graph area
self._graph_area = GraphArea()
self._graph_area.mouse_moved.connect(self.event_mouse_move)
# Video Layout
self._video_layout = QtWidgets.QVBoxLayout()
self._video_layout.addWidget(self._video_view)
self._video_layout.addWidget(self._slider)
self._video_layout.addLayout(self._control_layout)
self._video_widget = QtWidgets.QWidget()
self._video_widget.setLayout(self._video_layout)
# Central layout
self._central_widget = QtWidgets.QSplitter(Qt.Vertical)
self._central_widget.addWidget(self._video_widget)
self._central_widget.addWidget(self._graph_area)
self.setCentralWidget(self._central_widget)
# Current path, current file, recent files
self._path = QtCore.QDir.currentPath()
self._file = None
self._recent_files = []
# Current data block, display variable
self._data = None
self._variable = None
# Load settings from ini file
self.load_config()
self.update_window_title()
# Set controls to correct values
self._colormap_select.setCurrentIndex(
self._colormap_select.findText(self._colormap))
self._rate_field.setText(str(self._timer_interval))
self._timer.setInterval(self._timer_interval)
# Pause video playback during resize
self._resize_timer = QtCore.QTimer()
self._resize_timer.timeout.connect(self._resize_timeout)
self._video_view.resize_event.connect(self._resize_started)
# Attempt to load selected file
if filename and os.path.isfile(filename):
self.load_data_file(filename)