def __init__(self, master, experiment_dirname, parent=None):
"""
Sets up the ui (starts with no slide and a generic instruction_text).
"""
self.exit_status = 0
self.root = master
self.w = self.root.winfo_screenwidth()
self.h = self.root.winfo_screenheight()
self.root.overrideredirect(1)
self.root.geometry("%dx%d+0+0" % (self.w, self.h))
#self.root.configure(width = 1024)
#self.root.configure(height = 768)
self.experiment_dirname = experiment_dirname
self.data = []
self.p = ExperimentProcessor(self, self, experiment_dirname)
self.user_input = ""
self.create_widgets()
self.setup_event_bindings()
class Main(object):
"""
The main class of the program. This coordinates activity between the
various uis, the slides, user interaction, data collection, and
experiment info processing.
"""
def __init__(self, master, experiment_dirname, parent=None):
"""
Sets up the ui (starts with no slide and a generic instruction_text).
"""
self.exit_status = 0
self.root = master
self.w = self.root.winfo_screenwidth()
self.h = self.root.winfo_screenheight()
self.root.overrideredirect(1)
self.root.geometry("%dx%d+0+0" % (self.w, self.h))
#self.root.configure(width = 1024)
#self.root.configure(height = 768)
self.experiment_dirname = experiment_dirname
self.data = []
self.p = ExperimentProcessor(self, self, experiment_dirname)
self.user_input = ""
self.create_widgets()
self.setup_event_bindings()
def run(self):
self.p.run_experiment()
self.root.mainloop()
return self.exit_status
def create_widgets(self):
self.font = tkFont.Font(self.root, 'Lucida 26')
self.user_input_font = tkFont.Font(self.root, 'Lucida 18')
self.top_padding = Tkinter.Frame(self.root, height = self.h/3)
self.top_padding.pack(fill='x')
self.main_display_label = Tkinter.Label(self.root,
font = self.font,
fg="gray30",
wraplength=800)
self.main_display_label.pack(side = "top")
self.user_input_frame = Tkinter.Frame(self.root,
height = 30)
self.user_input_entry = Tkinter.Entry(self.user_input_frame,
font = self.user_input_font)
self.submit_button = Tkinter.Button(self.user_input_frame,
text = "Submit",
command = self.submit_input)
self.user_input_frame.pack(side = "top", pady = 10)
self.instruction_label = Tkinter.Label(self.root,
font = self.font,
fg="gray40",
wraplength=800)
self.instruction_label.pack(side = "top")
self.bug_label = Tkinter.Label(self.root)
self.bug_label.pack(side = "bottom", pady=50)
def get_user_input(self):
# This is kind of a hack. If the Entry widget is recreated it sometimes
# doesn't show up when the main display is several lines. This seems to
# solve the problem.
self.user_input_entry = Tkinter.Entry(self.user_input_frame,
font = self.user_input_font)
self.user_input_entry.pack(side = "left", anchor="e")
self.user_input_entry.delete(0, 'end')
self.user_input_entry.bind("<Return>",
lambda e : self.submit_button.invoke())
self.submit_button.pack(side = "right", anchor="w")
self.user_input_entry.focus_set()
self.root.update()
def submit_input(self):
self.user_input = self.user_input_entry.get()
self.user_input_entry.pack_forget()
self.submit_button.pack_forget()
self.p.submit_clicked()
self.root.update()
def set_main_text(self, text):
"""
Set the center text to given text.
"""
self.main_display_label.configure(text=text)
def set_instruction_text(self, text):
"""
Sets the lower text to the given text. Usually used to give simple
instructions, such as 'Press space to continue'.
"""
self.instruction_label.configure(text = text)
def set_bug_text(self, text):
"""
The bug text is a smaller, more unformatted looking label on the
bottom. If you wish to display text that looks like it shouldn't
be displayed.
"""
self.bug_label.configure(text=text)
def record(self, new_data):
"""
Adds new_data to the data to be outputed at the end.
"""
self.data.append(new_data)
def export_data(self, filename):
"""
Stores the data collected during the experiment in filename.
"""
if len(self.data)>0:
out_file = open(filename, 'w')
out_file.write(str(self.data[0]))
for val in self.data[1:]:
out_file.write('\n'+str(val))
out_file.close()
def error_box(self, text):
"""
Shows a message box with the given text. Seems a little finicky...
"""
sys.stderr.write(text+'\n')
self.exit_status = 1
tkMessageBox.showerror("Error", text)
def setup_event_bindings(self):
self.root.bind("<space>", self.on_space)
self.root.bind("<Escape>", self.close)
def on_space(self, event):
self.p.space_pressed()
def close(self, event):
filename = os.path.join(self.experiment_dirname,str(datetime.now())+'.txt')
self.export_data(filename)
self.root.quit()
