def executeProtocol(self, filename="./protocols/graph_only.json"):
print u"loading protocol {0:s}".format(filename)
try:
self.pcl = Protocol(filename, self.show_empty_screen)
self.central_widget = self.pcl.main_widget
self.setCentralWidget(self.central_widget)
self.pcl.start()
except ProtocolNotLoaded:
print "protocol not loaded..."
class MainWindow(QMainWindow):
def __init__(self):
super(MainWindow, self).__init__()
self.open_config()
self.num_recent_pcl = 5
self.initUI()
def open_config(self):
cfg_filename = 'config.json'
if os.path.exists(cfg_filename):
self.config = json.load(open(cfg_filename))
else:
self.config = {}
print self.config
recent_key = "recent_protocols"
self.config.setdefault(recent_key, [])
self.recent_pcl_filenames = self.config[recent_key]
self.recent_pcls = []
for pcl_filename in self.recent_pcl_filenames:
with open(pcl_filename) as pcl_file:
pcl = json.load(pcl_file)
pcl.setdefault("name", "Unnamed Protocol")
pcl.setdefault("description", "This protocol doesn't have a description.")
self.recent_pcls.append({
"name": pcl['name'],
"description": pcl['description'],
"filename": pcl_filename
})
def open_recent_pcl(self):
action = self.sender()
if action:
filename = str(action.data().toString())
self.executeProtocol(filename)
def initUI(self):
closeAction = QAction('Close', self)
closeAction.setShortcut('Ctrl+Q')
closeAction.setStatusTip('Close Application')
closeAction.triggered.connect(lambda: sys.exit(0))
loadAction = QAction('Load Protocol', self)
loadAction.setStatusTip('Load the Default Protocol')
loadAction.triggered.connect(self.find_pcl_file)
menubar = self.menuBar()
file_menu = menubar.addMenu('&File')
file_menu.addAction(closeAction)
load_menu = menubar.addMenu('&Load')
load_menu.addAction(loadAction)
self.toolbar = self.addToolBar('Exit')
self.toolbar.addAction(closeAction)
load_menu.addSeparator()
for idx, recent_pcl in enumerate(self.recent_pcls):
new_action = QAction("%d %s" % (idx + 1, recent_pcl['name']), self)
new_action.triggered.connect(self.open_recent_pcl)
new_action.setData(QVariant(recent_pcl['filename']))
load_menu.addAction(new_action)
self.setWindowTitle('fealines')
self.show_empty_screen()
self.showMaximized()
def find_pcl_file(self):
filename = QFileDialog.getOpenFileName(self, 'Choose a Protocol', './protocols', "Protocols (*.json)" )
self.executeProtocol(filename)
def executeProtocol(self, filename="./protocols/graph_only.json"):
print u"loading protocol {0:s}".format(filename)
try:
self.pcl = Protocol(filename, self.show_empty_screen)
self.central_widget = self.pcl.main_widget
self.setCentralWidget(self.central_widget)
self.pcl.start()
except ProtocolNotLoaded:
print "protocol not loaded..."
def show_empty_screen(self):
new_widget = QLabel("No protocol running. Select one from the Load menu to start.")
new_widget.setAlignment(Qt.AlignCenter)
self.setCentralWidget(new_widget)