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a_Main_Window.py
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a_Main_Window.py
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# Copyright: (c) Oskar Petersons 2013
"""Launches the GMCR-py Decision Support System."""
from version import __version__
from tkinter import Tk, VERTICAL, HORIZONTAL, N, S, E, W
from tkinter import ttk
from tkinter import filedialog
from data_01_conflictModel import ConflictModel
from frame_01_decisionMakers import DMInpFrame
from frame_02_infeasibles import InfeasInpFrame
from frame_02a_misperceptions import MisperceptionFrame
from frame_03_irreversibles import IrrevInpFrame
from frame_04_preferencePrioritization import PreferencesFrame
from frame_05_preferenceRanking import PreferenceRankingFrame
from frame_06_equilibria import ResultFrame
from frame_07_inverseGMCR import InverseFrame
from frame_08_stabilityAnalysis import StabilityFrame
from multiprocessing import freeze_support
import os
import sys
NSEW = (N, S, E, W)
class MainAppWindow:
"""Top Level Window for the GMCR-py application."""
def __init__(self, file=None):
"""Initialize the window."""
self.file = file # file reference used for saving the conflict.
self.root = Tk()
self.root.iconbitmap('gmcr.ico')
self.root.wm_title('GMCR+ v{} | New Model'.format(__version__))
self.root.columnconfigure(0, weight=1)
self.root.rowconfigure(0, weight=1)
self.frameList = []
self.frameBtnCmds = []
self.frameBtnList = []
self.topFrame = ttk.Frame(self.root)
self.fileFrame = ttk.Frame(self.topFrame, border=3, relief='raised')
self.pageSelectFrame = ttk.Frame(self.topFrame, border=3,
relief='raised')
self.contentFrame = ttk.Frame(self.topFrame)
self.topVSep = ttk.Separator(self.topFrame, orient=HORIZONTAL)
self.bottomHSep = ttk.Separator(self.contentFrame, orient=VERTICAL)
self.topFrame.grid(column=0, row=0, sticky=NSEW)
self.topFrame.columnconfigure(2, weight=1)
self.topFrame.rowconfigure(3, weight=1)
self.fileFrame.grid(column=0, row=1, sticky=NSEW)
self.pageSelectFrame.grid(column=1, row=1, columnspan=4,
sticky=(N, S, W))
self.pageSelectFrame.rowconfigure(0, weight=1)
self.topVSep.grid(column=0, row=2, columnspan=10, sticky=NSEW)
self.bottomHSep.grid(column=1, row=0, rowspan=10, sticky=NSEW)
self.contentFrame.grid(column=0, row=3, columnspan=5, sticky=NSEW)
self.contentFrame.columnconfigure(0, weight=1)
self.contentFrame.rowconfigure(1, weight=1)
self.saveButton = ttk.Button(self.fileFrame, text='Save Conflict',
command=self.saveConflict, width=20)
self.saveAsButton = ttk.Button(self.fileFrame, text='Save Conflict As',
command=self.saveAs, width=20)
self.loadButton = ttk.Button(self.fileFrame, text='Load Conflict',
command=self.loadConflict, width=20)
self.newButton = ttk.Button(self.fileFrame, text='New Conflict',
command=self.newConflict, width=20)
self.saveButton.grid(column=0, row=0, sticky=(E, W))
self.saveAsButton.grid(column=0, row=1, sticky=(E, W))
self.loadButton.grid(column=0, row=2, sticky=(E, W))
self.newButton.grid(column=0, row=3, sticky=(E, W))
self.activeConflict = ConflictModel()
self.contentFrame.currFrame = None
self.addMod(DMInpFrame)
self.addMod(InfeasInpFrame)
self.addMod(MisperceptionFrame)
self.addMod(IrrevInpFrame)
self.addMod(PreferencesFrame)
self.addMod(PreferenceRankingFrame)
self.addMod(ResultFrame)
self.addMod(InverseFrame)
self.addMod(StabilityFrame)
self.refreshActiveFrames()
self.root.bind_all("<<checkData>>", self.checkFramesHaveData)
if self.file is not None:
self.loadConflict(self.file)
self.root.mainloop()
def addMod(self, newMod):
"""Add a new input frame and Module to the Conflict."""
newFrame = newMod(self.contentFrame, self.activeConflict)
self.frameList.append(newFrame)
newButton = newFrame.makeButton(self.pageSelectFrame, self)
self.frameBtnList.append(newButton)
newButton.grid(column=len(self.frameBtnList), row=0, sticky=NSEW)
def checkFramesHaveData(self, event=None):
"""Check if required data exists for each frame then de/activate."""
for idx, frame in enumerate(self.frameList):
if frame.hasRequiredData():
self.frameBtnList[idx].config(state="normal")
else:
frame.clearFrame()
self.frameBtnList[idx].config(state="disabled")
if frame != self.contentFrame.currFrame:
frame.built = False
def refreshActiveFrames(self, event=None):
"""Unload all frames and attempt to reload the current one."""
self.unloadAllFrames()
self.checkFramesHaveData()
try:
self.contentFrame.currFrame.built = False
except AttributeError:
pass
try:
if self.contentFrame.currFrame.hasRequiredData():
self.contentFrame.currFrame.enter()
else:
self.frameBtnCmds[0](self)
except AttributeError:
self.frameBtnCmds[0](self)
def unloadAllFrames(self, event=None):
"""Remove all frames (conflict screens) from the window."""
for idx, frame in enumerate(self.frameList):
frame.clearFrame()
self.frameBtnList[idx].config(state="disabled")
def frameLeave(self):
"""Ungrid the current frame and performs other exit tasks."""
try:
self.contentFrame.currFrame.leave()
except AttributeError:
pass
def saveConflict(self):
"""Save all information to the currently active file."""
if not self.file:
self.saveAs()
return
try:
self.contentFrame.currFrame.leave()
except AttributeError:
pass
self.contentFrame.currFrame.enter()
self.activeConflict.save_to_file(self.file)
print('Saved')
def saveAs(self):
"""Open a file dialog to save the conflict to file."""
print('running saveAs')
fileName = filedialog.asksaveasfilename(
defaultextension='.gmcr',
filetypes=(("GMCR+ Save Files", "*.gmcr"), ("All files", "*.*")),
parent=self.root
)
if fileName:
self.file = fileName
self.root.wm_title('GMCR+ v{} | {}'.format(__version__, self.file))
self.saveConflict()
def loadConflict(self, fileName=None):
"""Open a file dialog that prompts for a save file to open."""
if not fileName:
fileName = filedialog.askopenfilename(
filetypes=(("GMCR+ Save Files", "*.gmcr"),
("All files", "*.*")),
initialdir='{}/Examples'.format(os.getcwd()),
parent=self.root
)
if fileName:
self.file = fileName
self.frameBtnCmds[0](self)
self.frameLeave()
self.unloadAllFrames()
print('loading: {}'.format(fileName))
self.root.wm_title('GMCR+ v{} | {}'.format(__version__, self.file))
self.activeConflict.load_from_file(fileName)
self.refreshActiveFrames()
def newConflict(self):
"""Clear all data, creating a new conflict."""
print("Initializing new conflict...")
self.unloadAllFrames()
self.activeConflict.__init__()
self.file = None
self.refreshActiveFrames()
self.root.wm_title('GMCR+ v{} | New Model'.format(__version__))
if __name__ == '__main__':
freeze_support()
# Set working directory to program folder if started from executable.
# This allows easy access to example files.
if getattr(sys, 'frozen', False):
path = getattr(sys, '_MEIPASS', os.getcwd())
os.chdir(path)
else:
try:
os.chdir(sys.argv[0].rpartition('\\')[0])
except OSError:
pass
launchFile = None
try:
launchFile = sys.argv[1]
except IndexError:
pass
a = MainAppWindow(launchFile)