def on_load_data(self, event):
"""
Open a file dialog to allow the user to select a given file.
The user is only allow to load file with extension .DAT or .dat.
Display the slit size corresponding to the loaded data.
"""
path = self.choose_data_file(location=self._default_save_location)
if path is None:
return
self._default_save_location = path
try:
#Load data
from load_thread import DataReader
## If a thread is already started, stop it
if self.reader is not None and self.reader.isrunning():
self.reader.stop()
if self.parent.parent is not None:
wx.PostEvent(self.parent.parent,
StatusEvent(status="Loading...", type="progress"))
self.reader = DataReader(path=path,
completefn=self.complete_loading,
updatefn=self.load_update)
self.reader.queue()
self.load_update()
except:
if self.parent.parent is None:
return
msg = "Slit Length Calculator: %s" % (sys.exc_value)
wx.PostEvent(self.parent.parent,
StatusEvent(status=msg, type='stop'))
return
def on_click_browse(self, event):
"""
Open a file dialog to allow the user to select a given file.
Display the loaded data if available.
"""
path = self.choose_data_file(location=self._default_save_location)
if path is None:
return
if self.parent.parent is not None:
wx.PostEvent(self.parent.parent, StatusEvent(status="Loading...",
info="info", type="progress"))
self.done = False
self._default_save_location = path
try:
#Load data
from load_thread import DataReader
## If a thread is already started, stop it
if self.reader is not None and self.reader.isrunning():
self.reader.stop()
self.reader = DataReader(path=path,
completefn=self.complete_loading,
updatefn=None)
self.reader.queue()
except:
msg = "Data Editor: %s" % (sys.exc_value)
load_error(msg)
return
event.Skip()
