class StringEntry:
"""String class for entry
added colour, change state
Parameters
----------
parent : str
parent handle
lf_text : str
text on LabelFrame
mess_text : str
message
def_text : str
default text
colour : str
frame colour
mod : str
enable or disable state switch
Returns
-------
string
"""
def __init__(self,
parent,
lf_text,
mess_text,
def_text="",
colour='brown',
mod=False):
self.parent = parent
self.lf_text = lf_text
self.mess_text = mess_text
self.mod = mod
self.out_var = StringVar()
self.out_var.set(def_text)
self.farbe = farbe = {
'blue': 'light blue',
'brown': '#EDEF77',
'green': 'light green',
'pink': '#EAAFBF'
}
colour = colour if colour in farbe else 'brown'
self.colour = colour
st1 = Style()
st1.theme_use('default')
st1.configure(colour + '.TLabelframe', background='#C9B99B')
st1.configure(colour + '.TLabelframe.Label', background=farbe[colour])
st1.configure(colour + '.TCheckbutton', background=farbe[colour])
st1.configure('brown.TLabel', background='#EDEF77')
self.construct()
def construct(self):
"""construct of LabelFrame and message
Parameters
----------
None
Returns
-------
None
"""
self.lf1 = Labelframe(self.parent,
text=self.lf_text,
style=self.colour + '.TLabelframe')
self.lf1.grid(column=0, row=0, padx=10, pady=10)
self.messlbl = Label(self.lf1,
text=self.mess_text,
style='brown.TLabel')
self.messlbl.grid(row=2, column=0, pady=10, padx=10)
self.make_entry()
def make_entry(self):
"""construct of Entry
Parameters
----------
None
Returns
-------
None
"""
vcmd = self.lf1.register(self.is_okay)
self.ent1 = ent1 = Entry(self.lf1,
validate='key',
validatecommand=(vcmd, '%P', '%S', '%i'),
textvariable=self.out_var)
ent1.bind("<Return>", self.end_input)
ent1.grid(row=1, column=0, padx=10)
ent1.focus()
if self.mod in (True, False):
self.modify()
def modify(self):
"""construct of state switch
Parameters
----------
None
Returns
-------
None
"""
lf_text = self.lf_text
# entry disabled until checkbox is ticked
self.cb_opt = Checkbutton(self.lf1,
command=self.toggle_opt,
style=self.colour + '.TCheckbutton')
self.lf1['labelwidget'] = self.cb_opt
if self.mod:
self.ent1.state(['!disabled'])
self.cb_opt.state(['!selected'])
self.cb_opt['text'] = lf_text + ' Check to prevent editing '
self.ent1.focus()
else:
self.ent1.state(['disabled'])
self.cb_opt.state(['selected'])
self.cb_opt['text'] = lf_text + ' Check to modify '
def toggle_opt(self):
"""state switch logic
Parameters
----------
None
Returns
-------
None
"""
lf_text = self.lf_text
# state of entry controlled
# by the state of the check button in Option frame label widget
if self.cb_opt.instate(['selected']):
print('selected state')
self.ent1.state(['disabled'])
self.cb_opt['text'] = lf_text + ' Check to modify '
else:
print('unselected state')
self.ent1.state(['!disabled']) # enable option
self.cb_opt['text'] = lf_text + ' Check to prevent editing '
self.ent1.focus()
def end_input(self, _evt):
"""limit on string
Parameters
----------
evt : str
bind handle
Returns
-------
None
"""
if len(self.out_var.get()) > 5:
self.messlbl['text'] = "That's OK"
else:
self.messlbl['text'] = "Should be at least 6 characters long"
def is_okay(self, text, inp, ind):
""" validation function
Parameters
----------
text : str
text if allowed
inp : str
current input
Returns
-------
boolean
"""
ind = int(ind)
print(ind)
if (inp.isalnum() or inp in (",", ".", "'", " ")) and ind > 0:
return True
else:
return bool((text.isupper() or text == "") and ind == 0)
class StringEntry:
"""String class for entry
06layout_string converted to a class
Parameters
----------
parent : str
parent handle
lf_text : str
text on LabelFrame
mess_text : str
message
outVar : float
tkvar handle
Returns
-------
string
"""
def __init__(self, parent, lf_text, mess_text):
self.parent = parent
self.lf_text = lf_text
self.mess_text = mess_text
self.out_var = StringVar()
st1 = Style()
st1.theme_use('default')
st1.configure('brown.TLabelframe', background='#C9B99B')
st1.configure('brown.TLabelframe.Label', background='#EDEF77')
st1.configure('brown.TLabel', background='#EDEF77')
self.construct()
def construct(self):
"""construct of LabelFrame and message
Parameters
----------
None
Returns
-------
None
"""
self.lf0 = Labelframe(self.parent, text=self.lf_text,
style='brown.TLabelframe')
self.lf0.grid(column=0, row=0, padx=10, pady=10)
self.mee_lbl = Label(self.lf0, text=self.mess_text,
style='brown.TLabel')
self.mee_lbl.grid(row=2, column=0, pady=10, padx=10)
self.make_entry()
def make_entry(self):
"""construct of Entry
Parameters
----------
None
Returns
-------
None
"""
vcmd = self.lf0.register(self.is_okay)
ent0 = Entry(self.lf0, validatecommand=(vcmd, '%P', '%S', '%i'),
validate='key', textvariable=self.out_var)
ent0.bind("<Return>", self.end_input)
ent0.grid(row=1, column=0, padx=10)
ent0.focus()
def end_input(self, _evt):
"""limit on string
Parameters
----------
evt : str
bind handle
Returns
-------
None
"""
if len(self.out_var.get()) > 5:
self.mee_lbl['text'] = "That's OK"
else:
self.mee_lbl['text'] = "Should be at least 6 characters long"
def is_okay(self, text, input, index):
""" validation function
Parameters
----------
text : str
text if allowed
input : str
current input
Returns
-------
boolean
"""
#print(text)
index = int(index)
print(index)
if (input.isalnum() or input in (",", ".", "'", " ")) and index > 0:
return True
else:
return bool((text.isupper() or text == "") and index == 0)
def entry_float(parent, lf_text, l_limit, u_limit, mess_text, out_var):
"""Float layout for entry
Parameters
----------
parent : str
parent handle
lf_text : str
text on LabelFrame
l_limit : float
lower limit
u_limit : float
upper limit
mess_text : str
message
out_var : float
tkvar handle
Returns
-------
float
"""
st1 = Style()
st1.theme_use('default')
st1.configure('brown.TLabelframe', background='#C9B99B')
st1.configure('brown.TLabelframe.Label', background='#EDEF77')
st1.configure('brown.TLabel', background='#EDEF77')
st1.configure('lowr.TLabel', background='lightblue')
st1.configure('upr.TLabel', background='red')
lf0 = Labelframe(parent, text=lf_text, style='brown.TLabelframe')
lf0.grid(row=0, column=0, padx=10, pady=10)
ulab = Label(lf0,
text=str(u_limit) + " upper limit",
style='brown.TLabel')
ulab.grid(row=0, column=1, padx=10)
llab = Label(lf0,
text=str(l_limit) + " lower limit",
style='brown.TLabel')
llab.grid(row=2, column=1, padx=10)
def end_input(_evt):
"""limit on float
Parameters
----------
evt : str
bind handle
Returns
-------
None
"""
ulab['style'] = 'brown.TLabel'
llab['style'] = 'brown.TLabel'
if l_limit < entsv.get() < u_limit:
messlbl['text'] = "That's OK"
out_var.set(entsv.get())
elif l_limit >= entsv.get():
messlbl['text'] = "Input below lower limit"
llab['style'] = 'lowr.TLabel'
else:
messlbl['text'] = "Input above upper limit"
ulab['style'] = 'upr.TLabel'
def is_okay(text):
""" validation function
Parameters
----------
text : str
text if allowed
Returns
-------
boolean
"""
if text in ("", "-", ".", "-."):
return True
try:
float(text)
except ValueError:
return False
return True
vcmd = lf0.register(is_okay)
entsv = DoubleVar()
ent0 = Entry(lf0,
validate='key',
validatecommand=(vcmd, '%P'),
textvariable=entsv)
ent0.bind("<Return>", end_input)
ent0.grid(row=1, column=0, padx=10)
ent0.focus()
messlbl = Label(lf0, text=mess_text, style='brown.TLabel')
messlbl.grid(row=2, column=0, pady=10, padx=10)
def entry_string(parent, lf_text, mess_text, out_var):
"""String layout for entry
06layout_string converted to a function
Parameters
----------
parent : str
parent handle
lf_text : str
text on LabelFrame
mess_text : str
message
out_var : float
tkvar handle
Returns
-------
string
"""
st1 = Style()
st1.theme_use('default')
st1.configure('brown.TLabelframe', background='#C9B99B')
st1.configure('brown.TLabelframe.Label', background='#EDEF77')
st1.configure('brown.TLabel', background='#EDEF77')
lf0 = Labelframe(parent, text=lf_text, style='brown.TLabelframe')
lf0.grid(column=0, row=0, padx=10, pady=10)
def end_input(_evt):
"""limit on string
Parameters
----------
evt : str
bind handle
Returns
-------
None
"""
if len(entsv.get()) > 5:
mee_lbl['text'] = "That's OK"
out_var.set(entsv.get())
else:
mee_lbl['text'] = "Should be at least 6 characters long"
def is_okay(text, input, index):
""" validation function
Parameters
----------
text : str
text if allowed
input : str
current inputut
index : str
indexex
Returns
-------
boolean
"""
index = int(index)
print(index)
if (input.isalnum() or input in (",", ".", "'", " ")) and index > 0:
return True
else:
return bool((text.isupper() or text == "") and index == 0)
vcmd = lf0.register(is_okay)
entsv = StringVar()
ent0 = Entry(lf0,
validate='key',
textvariable=entsv,
validatecommand=(vcmd, '%P', '%S', '%i'))
ent0.bind("<Return>", end_input)
ent0.grid(row=1, column=0, padx=10)
ent0.focus()
mee_lbl = Label(lf0, text=mess_text, style='brown.TLabel')
mee_lbl.grid(row=2, column=0, pady=10, padx=10)
