def prepare(self):
"""Prepares the item."""
item.item.prepare(self)
if self.var.skip_item == u'no':
# Get values for internal variables (to allow the use of OpenSesame variables)
self._cols = self.var.cols
self._rows = self.var.rows
self._correct_button = self.var.correct_button
self._start_coordinates = self.var.start_coordinates
self._mouse_buttons_allowed = self.var.mouse_buttons_allowed
# Prepare the form
try:
cols = [float(i) for i in unicode(self._cols).split(';')]
rows = [float(i) for i in unicode(self._rows).split(';')]
margins = [
float(i) for i in unicode(self.var.margins).split(';')
]
except:
raise osexception(
_(u'cols, rows, and margins should be numeric values separated by a semi-colon'
))
# Modification of original form:
# if cols and rows only have one value, then treat this as the number of cols/rows
if len(cols) == 1:
cols = int(cols[0])
if len(rows) == 1:
rows = int(rows[0])
# Initialize form
self._form = MT_form(self.experiment, cols=cols, rows=rows, \
margins=margins, spacing=self.var.spacing, theme=self.var._theme, item=self)
# Prepare the widgets
self.focus_widget = None
for arglist, orig_kwdict in self._widgets:
kwdict = orig_kwdict.copy()
# Evaluate all values
arglist = [self.syntax.eval_text(arg) for arg in arglist]
for key, val in kwdict.items():
kwdict[key] = self.syntax.eval_text(val, var=self.var)
# Translate paths into full file names
if u'path' in kwdict:
kwdict[u'path'] = self.experiment.pool[kwdict[u'path']]
# Process focus keyword
focus = False
if u'focus' in kwdict:
if kwdict[u'focus'] == u'yes':
focus = True
del kwdict[u'focus']
# Parse arguments
_type = arglist[4]
try:
col = int(arglist[0])
row = int(arglist[1])
colspan = int(arglist[2])
rowspan = int(arglist[3])
except:
raise osexception(
_(u'In a form widget col, row, colspan, and rowspan should be integer'
))
# Create the widget and add it to the form
try:
_w = getattr(widgets, _type)(self._form, **kwdict)
except Exception as e:
raise osexception(u'Failed to create widget "%s": %s' %
(_type, e))
self._form.set_widget(_w, (col, row),
colspan=colspan,
rowspan=rowspan)
# Add as focus widget
if focus:
if self.focus_widget is not None:
raise osexception(
_(u'You can only specify one focus widget'))
self.focus_widget = _w
# Create list with allowed mouse buttons as integers
if self.var.click_required == u'yes':
# Convert to string first (in case that only one integer is provided)
self._mouse_buttons_allowed = str(self._mouse_buttons_allowed)
self._mouse_buttons_allowed = self.clean_input(
self._mouse_buttons_allowed)
self._mouse_buttons_allowed = self._mouse_buttons_allowed.split(
)
self._mouse_buttons_allowed = [
int(i) for i in self._mouse_buttons_allowed
]
# Prepare start_coordinates
if self.var.reset_mouse == u'yes':
self._start_unit = self.var.start_unit
# Clean input for start_coordinates
self._start_coordinates = self.clean_input(
self._start_coordinates)
# Create start_coordinate tuple
if '.' in self._start_coordinates:
self._start_coordinates = self._start_coordinates.split()
self._start_coordinates = tuple(
[float(i) for i in self._start_coordinates])
else:
self._start_coordinates = self._start_coordinates.split()
self._start_coordinates = tuple(
[int(i) for i in self._start_coordinates])
# Prepare initiation time warning
if self.var.check_initiation_time == u'yes':
self._max_initiation_time = int(self.var.max_initiation_time)
try:
cmd, arglist, kwdict = self.syntax.parse_cmd(
self.var.warning_message)
# Evaluate all values
arglist = [self.syntax.eval_text(arg) for arg in arglist]
for key, val in kwdict.items():
kwdict[key] = self.syntax.eval_text(val, var=self.var)
# Translate paths into full file names
if u'path' in kwdict:
kwdict[u'path'] = self.experiment.pool[kwdict[u'path']]
# Create the widget
_type = arglist[4]
_w = getattr(widgets, _type)(self._form, **kwdict)
self._warning_widget = [
_w, (int(arglist[0]), int(arglist[1])),
int(arglist[2]),
int(arglist[3])
]
except:
raise osexception(
u'Failed to create widget for warning message.\
Please check again the syntax and test it, e.g.,\
by directly inserting the widget in the OpenSesame script first.')
