/
widgets_f02a_01_radioButtonEntry.py
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/
widgets_f02a_01_radioButtonEntry.py
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# Copyright: (c) Oskar Petersons 2013
"""Widgets for selecting a state using radio buttons for each option.
Loaded by the frame_02a_misperceptions module.
Copied from a very similar widget used on the infeasibles screen.
"""
from tkinter import Tk, Canvas, N, S, E, W, VERTICAL, StringVar
from tkinter import ttk
from data_01_conflictModel import ConflictModel
NSEW = (N, S, E, W)
class RadiobuttonSeries(ttk.Labelframe):
"""State entry for a single decision maker."""
def __init__(self, master=None, text=None, width=None, *args):
"""Initialize the widget."""
ttk.Labelframe.__init__(self, master, text=text, width=width, *args)
self.columnconfigure(0, weight=1)
self.options = []
self.stringVarList = []
self.yLabel = ttk.Label(self, text='Y ', anchor="w")
self.nLabel = ttk.Label(self, text='N ', anchor="w")
self.oLabel = ttk.Label(self, text='Open', anchor="w")
self.yLabel.grid(column=1, row=0)
self.nLabel.grid(column=2, row=0)
self.oLabel.grid(column=3, row=0)
self.placeholder = False
self.setOpts(self.options)
def setOpts(self, options, *args):
"""Create Radiobutton inputs for each Option for the target DM."""
if not options:
self.placeholder = ttk.Label(self, text="This DM has no Options.")
self.placeholder.grid(column=0, row=1, columnspan=4, sticky=NSEW)
return None
if self.placeholder:
self.placeholder.grid_forget()
self.options = options
self.stringVarList = []
for idx, opt in enumerate(self.options):
self.stringVarList.append(StringVar(value='-'))
yb = ttk.Radiobutton(self, variable=self.stringVarList[idx],
value='Y', command=self.chgEvent)
nb = ttk.Radiobutton(self, variable=self.stringVarList[idx],
value='N', command=self.chgEvent)
ob = ttk.Radiobutton(self, variable=self.stringVarList[idx],
value='-', command=self.chgEvent)
name = ttk.Label(self, text=opt.name)
yb.grid(column=1, row=int(idx + 1), padx=(15, 10), pady=5)
nb.grid(column=2, row=int(idx + 1), padx=(15, 10))
ob.grid(column=3, row=int(idx + 1), padx=(15, 10))
name.grid(column=0, row=int(idx + 1))
def getStates(self, *args):
"""Get the input option selection in (idx,YN) format."""
states = []
for idx, bit in enumerate([x.get() for x in self.stringVarList]):
if bit != '-':
states.append((self.options[idx], bit))
return states
def chgEvent(self):
"""Trigger an event in the master frame if a change is made."""
self.master.event_generate('<<RdBtnChg>>')
class RadiobuttonEntry(ttk.Frame):
"""State entry for all DMs, and controls for adding the infeasibles.
Uses a set of RadioButtonSeries elements.
"""
def __init__(self, master, conflict):
"""Initialize the widget."""
ttk.Frame.__init__(self, master)
self.conflict = conflict
self.dmLookup = {dm.name: dm for dm in self.conflict.decisionMakers}
dmNames = tuple(self.dmLookup.keys())
self.activeDMname = StringVar(value=dmNames[0])
self.activeDM = self.dmLookup[dmNames[0]]
dmSelLabel = ttk.Label(self, text="Decision Maker")
dmSelLabel.grid(column=0, row=0)
self.dmSelector = ttk.Combobox(self, textvariable=self.activeDMname,
values=dmNames, state='readonly')
self.dmSelector.grid(column=1, row=0, sticky=NSEW)
self.dmSelector.bind('<<ComboboxSelected>>', self.dmSel)
self.rbeCanvas = Canvas(self)
self.rdBtnFrame = ttk.Frame(self.rbeCanvas)
self.scrollY = ttk.Scrollbar(self, orient=VERTICAL,
command=self.rbeCanvas.yview)
self.rbeCanvas.grid(column=0, row=1, columnspan=2, sticky=NSEW)
self.scrollY.grid(column=2, row=1, sticky=NSEW)
self.rbeCanvas.configure(yscrollcommand=self.scrollY.set)
self.canvWindow = self.rbeCanvas.create_window(
(0, 0), window=self.rdBtnFrame, anchor='nw')
self.rowconfigure(1, weight=1)
self.entryText = StringVar(value='')
vcmd = self.register(self.onValidate)
self.entryBx = ttk.Entry(self, textvariable=self.entryText,
validate="key",
validatecommand=(vcmd, '%S', '%P'))
self.entryBx.grid(column=0, row=2, columnspan=2, sticky=NSEW)
self.entryBx.bind('<Return>', self.generateAdd)
self.warnText = StringVar(value='')
self.addBtn = ttk.Button(self, text='Remove as Misperceived Condition',
command=self.generateAdd)
self.mutExBtn = ttk.Button(self,
text='Perceived as Mutually Exclusive',
command=self.generateMutEx)
self.warnLab = ttk.Label(self, textvariable=self.warnText)
self.warnLab.grid(column=0, row=3, sticky=NSEW)
self.addBtn.grid(column=0, row=4, columnspan=2, sticky=NSEW)
self.mutExBtn.grid(column=0, row=5, columnspan=2, sticky=NSEW)
self.reloadOpts()
def resize(self, event=None):
"""Resize the scroll region of the main canvas element."""
self.rbeCanvas.configure(scrollregion=self.rbeCanvas.bbox("all"))
self.rbeCanvas["width"] = self.rbeCanvas.bbox("all")[2]
def generateAdd(self, *args):
"""Prompt response to addition of an infeasible state."""
self.event_generate('<<addMisperceived>>')
def generateMutEx(self, *args):
"""Prompt response to addition of a mutually exclusive set."""
self.event_generate('<<AddMutEx>>')
def reloadOpts(self):
"""Reload all options for all DMs."""
self.rbeCanvas.delete(self.canvWindow)
self.rdBtnFrame.destroy()
self.rdBtnFrame = ttk.Frame(self.rbeCanvas)
self.canvWindow = self.rbeCanvas.create_window(
(0, 0), window=self.rdBtnFrame, anchor='nw')
self.rdBtnFrame.bind('<<RdBtnChg>>', self.rdBtnChgCmd)
self.rdBtnFrame.bind("<Configure>", self.resize)
self.rdBtnSrs = []
self.stringVarList = []
for x, dm in enumerate(self.conflict.decisionMakers):
a = RadiobuttonSeries(self.rdBtnFrame, dm)
self.rdBtnSrs.append(a)
a.setOpts(dm.options)
a.grid(column=0, row=int(x), sticky=NSEW)
self.stringVarList += a.stringVarList
self.rdBtnChgCmd()
def setStates(self, dashOne):
"""Change the condition selected on the radio buttons."""
if len(dashOne) != len(self.stringVarList):
raise Exception('string length does not match number '
'of options: {}'.format(dashOne))
for x, y in enumerate(dashOne):
self.stringVarList[x].set(y)
self.entryText.set(dashOne)
def getStates(self):
"""Get the condition selected on the radio buttons."""
states = []
for srs in self.rdBtnSrs:
states.extend(srs.getStates())
return states
def onValidate(self, chg, res):
"""Validate manually entered condition characters and length."""
if chg in ['Y', 'N', 'y', 'n', '-']:
if len(res) < len(self.stringVarList):
self.warnText.set('Entry too short')
return True
if len(res) == len(self.stringVarList):
self.setStates(res.upper())
self.warnText.set('')
return True
return False
def rdBtnChgCmd(self, *args):
"""Set the entry box value to match the radiobuttons."""
val = ''.join([x.get() for x in self.stringVarList])
self.entryText.set(val)
def dmSel(self, *args):
"""Prompt response to a different DM being selected."""
dmName = self.activeDMname.get()
self.activeDM = self.dmLookup[dmName]
self.event_generate('<<ChangeDM>>')
# ######################
def main():
"""Run widget in test window."""
root = Tk()
root.columnconfigure(0, weight=1)
root.rowconfigure(0, weight=1)
g1 = ConflictModel()
g1.load_from_file('Examples/SyriaIraq.gmcr')
radFrame = RadiobuttonEntry(root, g1)
radFrame.grid(column=0, row=0, sticky=(N, W))
root.mainloop()
print(radFrame.getStates())
if __name__ == '__main__':
main()