示例#1
0
class Explorer(ttk.Frame):
    "represents ''Explore' page in the main window notebook"
    def __init__(self, root):
        super().__init__(root)
        
        self["padding"] = (10, 10, 12, 12)

        self.animate = "stop"
        self.initialized = False
        self.root = root
        self.fileStorage = self.root.fileStorage

        # variables
        self.status = StringVar()
        self.curTime = DoubleVar()
        self.speed = DoubleVar()
        self.graphTypeVar = StringVar()
        self.distanceVar = StringVar()
        self.entrancesVar = StringVar()
        self.timeVar = StringVar()
        self.totDistanceVar = StringVar()
        self.totEntrancesVar = StringVar()
        self.showTrackVar = BooleanVar()
        self.removeReflectionsVar = BooleanVar()
        self.showShocksVar = BooleanVar()
        self.saveWhatVar = StringVar()
        self.saveWhichFilesVar = StringVar()

        self.curTime.set(0)
        self.speed.set(1.0)
        self.graphTypeVar.set("SpeedGraph(self)")
        self.showTrackVar.set(False)
        self.removeReflectionsVar.set(False)
        self.showShocksVar.set(True)
        self.saveWhatVar.set("both frames")
        self.saveWhichFilesVar.set("current")
        
        
        # frames
        self.controlsLF = ttk.Labelframe(self, text = "Controls")
        self.graphLF = ttk.Labelframe(self, text = "Graph")
        self.fileStorageFrame = FileStorageFrame(self, parent = "explorer")
        self.fileFrame = FileFrame(self)
        self.parametersLF = ttk.LabelFrame(self, text = "Parameters")
        self.timeLabFrame = ttk.Labelframe(self, text = "Time")
        self.timeLabFrame.root = self
        self.timeFrame = TimeFrame(self.timeLabFrame, onChange = True)
        self.arenaFrame = ttk.LabelFrame(self, text = "Arena frame")
        self.roomFrame = ttk.LabelFrame(self, text = "Room frame")
        self.speedScaleFrame = ttk.Frame(self)
        self.speedScaleFrame.rowconfigure(0, weight = 1)
        self.optionsLF = ttk.LabelFrame(self, text = "Options")
        self.saveImagesLF = ttk.LabelFrame(self, text = "Save image(s)")
        
        # canvases
        self.arenaCanv = Canvas(self.arenaFrame, background = "white", height = 300, width = 300)
        self.roomCanv = Canvas(self.roomFrame, background = "white", height = 300, width = 300)

        # buttons
        self.playBut = ttk.Button(self.controlsLF, text = "Play", command = self.playFun,
                                  state = "disabled")
        self.pauseBut = ttk.Button(self.controlsLF, text = "Pause", command = self.pauseFun,
                                   state = "disabled")
        self.stopBut = ttk.Button(self.controlsLF, text = "Stop", command = self.stopFun,
                                  state = "disabled")
        self.saveBut = ttk.Button(self.saveImagesLF, text = "Save", command = self.saveImages,
                                  state = "disabled")

        # checkbuttons
        self.removeReflections = ttk.Checkbutton(self.optionsLF, text = "Remove reflections",
                                                 variable = self.removeReflectionsVar,
                                                 command = self.toggleReflections)
        self.showShocks = ttk.Checkbutton(self.optionsLF, text = "Show shocks",
                                          variable = self.showShocksVar,
                                          command = self.toggleShocks)

        # radiobutton
        self.showTrack = ttk.Radiobutton(self.optionsLF, text = "Show track",
                                         variable = self.showTrackVar, value = True,
                                         command = self.toggleAnimation)
        self.showAnimation = ttk.Radiobutton(self.optionsLF, text = "Show animation",
                                             variable = self.showTrackVar, value = False,
                                             command = self.toggleAnimation)
        
        
        # label
        self.statusBar = ttk.Label(self, textvariable = self.status)
        self.distance = ttk.Label(self.parametersLF, textvariable = self.distanceVar, width = 10,
                                  anchor = "e")
        self.entrances = ttk.Label(self.parametersLF, textvariable = self.entrancesVar, width = 10,
                                   anchor = "e")
        self.timePar = ttk.Label(self.parametersLF, textvariable = self.timeVar, width = 10,
                                 anchor = "e")
        self.totDistance = ttk.Label(self.parametersLF, textvariable = self.totDistanceVar,
                                     width = 10, anchor = "e")
        self.totEntrances = ttk.Label(self.parametersLF, textvariable = self.totEntrancesVar,
                                     width = 10, anchor = "e")
        self.distanceLab = ttk.Label(self.parametersLF, text = "Distance [m]", width = 11,
                                     anchor = "w")
        self.entrancesLab = ttk.Label(self.parametersLF, text = "Entrances", width = 11,
                                      anchor = "w")
        self.timeLab = ttk.Label(self.parametersLF, text = "Time", width = 11, anchor = "w")
        self.currentLab = ttk.Label(self.parametersLF, text = "Current", width = 10,
                                    anchor = "e")
        self.totalLab = ttk.Label(self.parametersLF, text = "Total", width = 10,
                                  anchor = "e")
        self.saveWhatLab = ttk.Label(self.saveImagesLF, text = "Save")
        self.saveWhichFilesLab = ttk.Label(self.saveImagesLF, text = "File(s)")

        # scales
        self.timeSc = ttk.Scale(self, orient = HORIZONTAL, from_ = 0, to = 100,
                                variable = self.curTime, command = self.changedTime)
        self.speedSc = ttk.Scale(self.speedScaleFrame, orient = VERTICAL, from_ = 50, to = 0.5,
                                 variable = self.speed, command = self.changedSpeed)
        
        # entry
        self.speedEntry = ttk.Entry(self.speedScaleFrame, textvariable = self.speed, width = 4,
                                    justify = "right", state = "readonly")
        
        # graph
        self.graph = eval(self.graphTypeVar.get())
        self.graph.bind("<Button-1>", self.graphClick)
        self.graph.bind("<Button-3>", self.graphPopUp)

        # combobox
        self.saveWhatCombo = ttk.Combobox(self.saveImagesLF, textvariable = self.saveWhatVar,
                                          justify = "center", width = 15, state = "readonly")
        self.saveWhatCombo["values"] = ("arena frame", "room frame", "both frames",
                                        "graph", "all")
        self.saveWhichFilesCombo = ttk.Combobox(self.saveImagesLF, textvariable =
                                                self.saveWhichFilesVar, justify = "center",
                                                width = 15, state = "readonly")
        self.saveWhichFilesCombo["values"] = ("current", "tagged", "untagged", "all")

        # adding to grid        
        self.controlsLF.grid(column = 0, row = 3, columnspan = 2, sticky = (N, W), pady = 2,
                             padx = 2)
        self.graphLF.grid(column = 0, row = 5, columnspan = 1, pady = 2, padx = 2, sticky = (N, W))
        self.fileStorageFrame.grid(column = 8, row = 0, pady = 2, padx = 3, sticky = (N, W))
        self.fileFrame.grid(column = 8, row = 1, rowspan = 4, padx = 3, sticky = (N, S))
        self.parametersLF.grid(column = 3, row = 3, columnspan = 3)
        self.timeLabFrame.grid(column = 2, row = 5, columnspan = 3, sticky = (W, N), pady = 2)        
        self.timeFrame.grid(column = 0, row = 0)
        self.arenaFrame.grid(column = 0, row = 0, rowspan = 2, columnspan = 3,
                             sticky = (N, S, E, W), padx = 2, pady = 2)
        self.roomFrame.grid(column = 3, row = 0, rowspan = 2, columnspan = 4,
                            sticky = (N, S, E, W), padx = 2, pady = 2)
        self.speedScaleFrame.grid(column = 7, row = 0, rowspan = 2, sticky = (N, S), padx = 4,
                                  pady = 2)
        self.optionsLF.grid(column = 5, row = 5, columnspan = 2, sticky = (N, W), pady = 2)
        self.saveImagesLF.grid(column = 8, row = 5, sticky = (S), pady = 5)
        
        self.arenaCanv.grid(column = 0, row = 0, padx = 1, pady = 1)
        self.roomCanv.grid(column = 0, row = 0, padx = 1, pady = 1)
        self.graph.grid(column = 0, row = 4, columnspan = 7, padx = 2, pady = 5, sticky = (E, W))
        
        self.playBut.grid(column = 0, row = 0, sticky = (N, S), padx = 2, pady = 2)
        self.pauseBut.grid(column = 1, row = 0, sticky = (N, S), padx = 2, pady = 2)
        self.stopBut.grid(column = 2, row = 0, sticky = (N, S), padx = 2, pady = 2)
        self.saveBut.grid(column = 1, row = 2, sticky = E)

        self.removeReflections.grid(column = 0, row = 2, padx = 2, pady = 2, sticky = (N, W))
        self.showShocks.grid(column = 0, row = 3, padx = 2, pady = 2, sticky = (N, W))

        self.showAnimation.grid(column = 0, row = 0, padx = 2, pady = 1, sticky = (N, W))
        self.showTrack.grid(column = 0, row = 1, padx = 2, pady = 1, sticky = (N, W))
        
        self.speedEntry.grid(column = 0, row = 1)

        self.statusBar.grid(column = 0, row = 6, columnspan = 7, sticky = (S, E, W), padx = 2,
                       pady = 2)
        self.distance.grid(column = 1, row = 1, sticky = E)
        self.entrances.grid(column = 1, row = 2, sticky = E)
        self.timePar.grid(column = 1, row = 3, sticky = E)
        self.totDistance.grid(column = 2, row = 1, sticky = E, padx = 4)
        self.totEntrances.grid(column = 2, row = 2, sticky = E, padx = 4)
        self.distanceLab.grid(column = 0, row = 1, sticky = E)
        self.entrancesLab.grid(column = 0, row = 2, sticky = E)
        self.timeLab.grid(column = 0, row = 3, sticky = E)
        self.currentLab.grid(column = 1, row = 0, sticky = E, padx = 2, pady = 2)
        self.totalLab.grid(column = 2, row = 0, sticky = E, padx = 4, pady = 2)
        self.saveWhatLab.grid(column = 0, row = 0, padx = 2, sticky = E)
        self.saveWhichFilesLab.grid(column = 0, row = 1, padx = 2, sticky = E)

        self.timeSc.grid(column = 0, row = 2, columnspan = 7, sticky = (E, W), pady = 4, padx = 2)
        self.speedSc.grid(column = 0, row = 0, sticky = (N, S, E, W), pady = 3)

        self.saveWhatCombo.grid(column = 1, row = 0)
        self.saveWhichFilesCombo.grid(column = 1, row = 1)


        # checkbuttons for graph
        for number, gType in enumerate(getGraphTypes()):
            ttk.Radiobutton(self.graphLF, text = gType[0], variable = self.graphTypeVar,
                            command = self.changedGraph, value = gType[1])\
                            .grid(row = number, pady = 2, padx = 1, sticky = (W))


    def saveImages(self):
        "saves images for selected files"
        files = self._returnSelectedFiles()

        if len(files) > 1:
            progress = ProgressWindow(self, len(files), text = "saved")
        elif len(files) == 1:
            self.root.config(cursor = "wait")
            self.root.update()
        elif len(files) == 0:
            self.status.set("No file selected.")
            self.bell()
            return

        problems = 0
        for filename in files:
            try:
                if filename in self.fileStorage.pairedfiles:
                    cm = CM(filename, nameR = self.fileStorage.pairedfiles[filename])
                else:
                    cm = CM(filename, nameR = "auto")
                if self.removeReflectionsVar.get():
                    cm.removeReflections(points = self.fileStorage.reflections.get(filename, None))
                self.saveOneImage(cm, filename)               
            except Exception:
                problems += 0

            if len(files) > 1:
                progress.addOne()

        if len(files) > 1:
            progress.destroy()
            if problems > 1:
                self.status.set("{} problems occured!".format(problems))
                self.bell()
            elif problems == 1:
                self.status.set("One problem occured!")
                self.bell()
            else:
                self.status.set("Images were saved.")
        else:
            if problems:
                self.status.set("A problem occured!")
                self.bell()
            else:
                self.status.set("Image was saved.")
            self.root.config(cursor = "")


    def saveOneImage(self, cm, filename):
        "saves image for one file"
        directory = optionGet("ImageDirectory", os.getcwd(), "str")
        # pridat moznost scale u vsech SVG
        
        what =  self.saveWhatVar.get()    

        if what == "both frames":
            self.svg = SVG(600, 300)
            self.saveArenaFrame(cm)
            self.saveRoomFrame(cm, origin = (300, 0))
        elif what == "arena frame":
            self.svg = SVG(300, 300) 
            self.saveArenaFrame(cm)
        elif what == "room frame":
            self.svg = SVG(300, 300)
            self.saveRoomFrame(cm)
        elif what == "graph":
            self.svg = SVG(600, 120)
            self.saveGraph(cm)
        elif what == "all":
            self.svg = SVG(600, 420)
            self.saveArenaFrame(cm)
            self.saveRoomFrame(cm, origin = (300, 0))
            self.saveGraph(cm, origin = (0, 300))
            
        self.svg.save(os.path.join(directory, os.path.splitext(os.path.basename(filename))[0] +
                                   "_" + what.replace(" ", "_") + ".svg")) # upravit
            

    def saveArenaFrame(self, cm, origin = (0, 0)):
        "saves info about arena frame in self.svg"
        self.svg.drawAAPA(cm, frame = "arena", startTime = int(self.timeFrame.startTimeVar.get()),
                         time = int(self.timeFrame.timeVar.get()), boundary = True,
                         sector = False, shocks = False, origin = origin) # dat do options


    def saveRoomFrame(self, cm, origin = (0, 0)):
        "saves info about room frame in self.svg"
        self.svg.drawAAPA(cm, frame = "room", startTime = int(self.timeFrame.startTimeVar.get()),
                         time = int(self.timeFrame.timeVar.get()), boundary = True,
                         sector = True, shocks = True, origin = origin)


    def saveGraph(self, cm, origin = (0, 0)):
        "saves info about graph in self.svg"
        size = (600, 120)
        graph = eval(self.graphTypeVar.get()[:-1] + ', cm, purpose = "svg")')
        yCoordinates, maxY, furtherText = graph.saveGraph(cm)
        points = []
        if yCoordinates:
            length = len(yCoordinates) - 1
            for count, y in enumerate(yCoordinates):       
                points.append(((count * size[0]) / length, size[1] - ((y * size[1]) / maxY)))
        self.svg.drawGraph(points, furtherText = furtherText, origin = origin, boundary = True)


    def _returnSelectedFiles(self):
        "returns files that are chosen for creating of images"
        which = self.saveWhichFilesVar.get()
        
        files = []
        if which == "all":
            files.extend(self.fileStorage.arenafiles)
        elif which == "tagged":
            files.extend(self.fileStorage.tagged)
        elif which == "untagged":
            files.extend([file for file in self.fileStorage.arenafiles if file not in
                          self.fileStorage.tagged])
        elif which == "current":
            files = [self.fileFrame.selected]

        return files
            

    def toggleAnimation(self):
        "called when checkbutton for showing tracks is toggled"
        if self.initialized:          
            self.initializeFile(self.fileFrame.selected, new = False, timeReset = False)


    def toggleReflections(self):
        "called when reflections removal is changed - just refreshes canvases"
        if self.initialized:          
            if self.removeReflectionsVar.get():
                self.cm.removeReflections(points = self.fileStorage.reflections.get(self.cm.nameA,
                                                                                    None))
                self.data = self.cm.getData()
                self.initializeFile(self.fileFrame.selected, new = False, timeReset = False)
            else:
                self.initializeFile(self.fileFrame.selected, new = True, timeReset = False)


    def toggleShocks(self):
        "called when checkbutton for showing shocks is toggled"
        if self.initialized and self.showTrackVar.get():
            self.initializeFile(self.fileFrame.selected, new = False, timeReset = False)                    
            

    def playFun(self):
        "starts animation"        
        self.timeFrame.changeState("disabled")
        self.showTrack["state"] = "disabled"
        self.saveBut.state(["disabled"])
        self.animate = "" # status of the animation - '', 'pause', 'stop'
        
        prevTime = time()
        while not self.animate:
            # finds current time
            nowTime = time()
            difTime = (nowTime - prevTime) * 1000
            playTime = difTime * self.speed.get() + (
                self.curTime.get() * (self.maxTime - self.minTime) / 100) + self.minTime

            if playTime > self.maxTime:
                self.curTime.set(100)
                self.timeVar.set(self._timeFormat(self.maxTime))  
                self.animate = "stop"
                self.timeFrame.changeState("!disabled")
                self.showTrack["state"] = "!disabled"
                self.saveBut.state(["!disabled"])
                break

            self.changedTime(playTime, unit = "ms")

            prevTime = nowTime


    def changedTime(self, value, unit = "0-100"):
        "called when time is changed"
        if not self.initialized or self.minTime > self.maxTime or self.maxTime < self.minTime:
            return
        
        if unit == "ms":
            value = value
        else:
            value = ((float(value) * (self.maxTime - self.minTime)) / 100) + self.minTime
        
        # finds current line in data and computes current distance and entrances            
        x0, y0 = self.data[0][7:9] 
        dist = 0
        entrances = 0
        prev = 0
        skip = 25 # z options
        start = self.cm.findStart(self.minTime / 60000)
        for row, content in enumerate(self.data[start:]):
            if content[1] < value:
                # distance
                if row % skip == 0:
                    x1, y1 = content[7:9]
                    diff = ((x1 - x0)**2 + (y1 - y0)**2)**0.5
                    dist += diff
                    x0, y0 = x1, y1
                # entrances
                if content[5] != 2 and prev != 2:
                    continue
                elif content[5] != 2 and prev == 2:
                    if content[5] == 0: 
                        prev = 0
                    continue
                elif content[5] == 2 and prev == 2:
                    continue
                elif content[5] == 2 and prev != 2:
                    entrances += 1
                    prev = 2
                    continue
            else:
                curLine = content
                break
        dist = dist / (self.cm.trackerResolution * 100) # conversion from pixels to metres
        self.distanceVar.set("{:.1f}".format(dist))
        self.entrancesVar.set(entrances)

        Rx, Ry = curLine[2:4]
        Ax, Ay = curLine[7:9]                              

        # changes position of 'the rat'
        self.arenaCanv.coords("ratA", (Ax + self.ld, Ay + self.ld,\
                                Ax + self.ur, Ay + self.ur))
        self.roomCanv.coords("ratR", (Rx + self.ld, Ry + self.ld,\
                                Rx + self.ur, Ry + self.ur))

        # changes color of 'the rat' in case of shock
        if curLine[6] > 0:
            self.roomCanv.itemconfigure("ratR", fill = "red", outline = "red")
            self.shock = True
        elif self.shock and curLine[6] <= 0:
            self.roomCanv.itemconfigure("ratR", fill = "black", outline = "black")
            self.shock = False       

        self.graph.changedTime(value)

        # changes position of a time scale               
        if value < self.maxTime:
            self.curTime.set(((value - self.minTime) * 100) / (self.maxTime - self.minTime))
            self.timeVar.set(self._timeFormat(value))  
        else:
            self.curTime.set(100)
            self.timeVar.set(self._timeFormat(self.maxTime))          

        self.update()

            
    def setTime(self):
        "called when maximum or minimum time is set"
        if self.initialized:
            nowTime = (self.curTime.get() / 100) * (self.maxTime - self.minTime) + self.minTime
            self.initializeFile(self.fileFrame.selected, new = False)
            if self.minTime <= nowTime <= self.maxTime:
                self.graph.changedTime(nowTime)
                self.changedTime(nowTime, unit = "ms")
            elif self.minTime > nowTime:
                self.graph.changedTime(self.minTime)
                self.changedTime(self.minTime, unit = "ms")
            else:
                self.graph.changedTime(self.maxTime)
                self.changedTime(self.maxTime, unit = "ms")
            

    def pauseFun(self):
        "pauses and unpauses animation"
        if self.animate == "pause":
            self.timeFrame.changeState("disabled")
            self.showTrack["state"] = "disabled"
            self.saveBut.state(["disabled"])
            self.playFun()
        else:
            self.animate = "pause"
            self.timeFrame.changeState("!disabled")        
            self.showTrack["state"] = "!disabled"
            self.saveBut.state(["!disabled"])
            

    def stopFun(self):
        "stops animation"
        self.animate = "stop"
        self.changedTime(0)
        self.timeFrame.changeState("!disabled")          
        self.showTrack["state"] = "!disabled"
        self.saveBut.state(["!disabled"])
        

    def initializeFile(self, filename, new = True, timeReset = True):
        "initializes canvases, graph, etc."
        if new:
            try:
                if filename in self.fileStorage.pairedfiles:
                    self.cm = CM(filename, nameR = self.fileStorage.pairedfiles[filename])
                else:
                    self.cm = CM(filename, nameR = "auto")
                if self.removeReflectionsVar.get():
                    self.cm.removeReflections(points = self.fileStorage.reflections.get(filename,
                                                                                        None))
                self.data = self.cm.getData()
            except Exception as e:
                if optionGet("Developer", False, 'bool'):
                    print(e)
                self.status.set("File failed to load!")
                self.bell()
                return

  
        # initialization of canvases
        self.arenaCanv.delete("all")
        self.roomCanv.delete("all")
        
        d = self.cm.getComputedDiameter()
        self.arenaCanv.create_oval(150 - d, 150 - d, 150 + d, 150 + d, outline = "black",\
                                   width = 2, tags = "arenaAF")
        self.roomCanv.create_oval(150 - d, 150 - d, 150 + d, 150 + d, outline = "black",\
                                  width = 2, tags = "arenaRF")

       
        # creates lines depicting the shock sector
        if self.cm.getCenterAngle():
            self.angle = self.cm.getCenterAngle()
            self.width = self.cm.getWidth()

            a1 = radians(self.angle - (self.width / 2))
            a2 = radians(self.angle + (self.width / 2))

            Sx1, Sy1 = 150 + (cos(a1) * d), 150 - (sin(a1) * d)
            Sx2, Sy2 = 150 + (cos(a2) * d), 150 - (sin(a2) * d)
            
            self.roomCanv.create_line((Sx1, Sy1, 150, 150, Sx2, Sy2), fill = "red", width = 2,\
                                       tags = "shockZone")


        # minimal and maximal time
        self.maxTime = min([self.cm.data[-1][1], eval(self.timeFrame.timeVar.get()) * 60000])
        self.minTime = max([self.cm.data[0][1], eval(self.timeFrame.startTimeVar.get()) * 60000])

        # initial position
        for line in self.data:
            if line[1] < self.minTime:
                continue                       
            else:
                curLine = line
                break
        else:
            self.status.set("Invalid start time set.")
            self.bell()
            return

        
        if self.showTrackVar.get():
            # draws tracks        
            data = [line[2:4] + line[6:9] for count, line in enumerate(self.data) if
                    self.minTime <= line[1] <= self.maxTime]
            arena = []
            room = []
            prev = [-100, -100, 0, -100, -100]
            last = [0, 0]
            for count, line in enumerate(data):
                if abs(line[0] - prev[0]) + abs(line[1] - prev[1]) > 2 or count - last[0] == 15 or\
                   line[2] > 0:
                    room.append(line[0:2])
                    last[0] = count
                if abs(line[3] - prev[3]) + abs(line[4] - prev[4]) > 2 or count - last[1] == 15:
                    arena.append(line[3:5])
                    last[1] = count
                prev = line
                    
            self.arenaCanv.create_line(([item + 150 - d for line in arena for item in line]),
                                       fill = "black", width = 2)
            self.roomCanv.create_line(([item + 150 - d for line in room for item in line]),
                                      fill = "black", width = 2)
            # draws shocks
            if self.showShocksVar.get():
                shocks = [line[2:4] for count, line in enumerate(self.data) if
                          self.minTime <= line[1] <= self.maxTime and line[6] > 0 and
                          self.data[count - 1][6] <= 0]
                self.ld = 150 - d - 4
                self.ur = 150 - d + 4
                for shock in shocks:
                    self.roomCanv.create_oval(shock[0] + self.ld, shock[1] + self.ld,
                                              shock[0] + self.ur, shock[1] + self.ur,
                                              outline = "red", width = 3)
        else:
            # makes 'the rat' (i.e. two black points)
            self.ld = 150 - d - 4 # 4 is size of the rat dot
            self.ur = 150 - d + 4
            
            Rx, Ry = curLine[2:4]
            Ax, Ay = curLine[7:9]
            self.arenaCanv.create_oval(Ax + self.ld, Ay + self.ld, Ax + self.ur, Ay + self.ur,\
                                       fill = "black", tags = "ratA")
            self.roomCanv.create_oval(Rx + self.ld, Ry + self.ld, Rx + self.ur, Ry + self.ur,\
                                       fill = "black", tags = "ratR")
            
            # shock
            if curLine[6] > 0:
                self.roomCanv.itemconfigure("ratR", fill = "red", outline = "red")
                self.shock = True   
            else:
                self.shock = False


        # initializes distance and entrances displays
        self.totDistanceVar.set(round(self.cm.getDistance(time = self.maxTime / 60000,
                                                          startTime = self.minTime / 60000), 1))
        self.totEntrancesVar.set(self.cm.getEntrances(time = self.maxTime / 60000,
                                                      startTime = self.minTime / 60000))
        if timeReset:
            self.distanceVar.set("0.0")
            self.entrancesVar.set("0")


        # drawing of the graph
        self.graph.delete("all")
        if timeReset:
            self.graph.CM_loaded(self.cm, minTime = self.minTime, maxTime = self.maxTime)
        else:
            self.graph.CM_loaded(self.cm, minTime = self.minTime, maxTime = self.maxTime,
                                 initTime = (self.curTime.get() * (self.maxTime - self.minTime) /
                                             100 + self.minTime))

    
        # changing buttons' statuses
        if not self.showTrackVar.get():
            self.playBut.state(["!disabled"])
            self.pauseBut.state(["!disabled"])
            self.stopBut.state(["!disabled"])
            self.timeSc.state(["!disabled"])
        else:
            self.playBut.state(["disabled"])
            self.pauseBut.state(["disabled"])
            self.stopBut.state(["disabled"])
            self.timeSc.state(["disabled"])


        self.initialized = True


        if new and timeReset:
            self.curTime.set(0)
            self.timeVar.set(self._timeFormat(self.minTime))  


        
    def changedGraph(self):
        "called when the graph is changed"
        self.graph.delete("all")
        drawnParameter = self.graph.drawnParameter
        self.graph = eval(self.graphTypeVar.get())
        self.graph.drawnParameter = drawnParameter
        self.graph.grid(column = 0, row = 4, columnspan = 7, padx = 2, pady = 5, sticky = (E, W))
        self.graph.bind("<Button-1>", self.graphClick)
        self.graph.bind("<Button-3>", self.graphPopUp)
        if self.initialized:
            self.graph.CM_loaded(self.cm, minTime = self.minTime, maxTime = self.maxTime,
                                 initTime = ((self.curTime.get() * (self.maxTime - self.minTime) /
                                              100) + self.minTime))
            

    def graphClick(self, event):
        "changes time when the graph is clicked upon"
        if self.initialized and not self.showTrackVar.get():
            self.graph.coords("timeMeasure", (event.x, 0, event.x, self.graph.height))
            time = (event.x * 100) / self.graph.width
            if time > 100:
                time = 100           
            self.changedTime(time)


    def graphPopUp(self, event):
        "shows menu for selection of parameter to be shown in graph"
        if not self.initialized:
            return
        
        menu = Menu(self, tearoff = 0)
        menu.add_command(label = "Show periodicity",
                         command = lambda: self.graph.drawParameter(self.cm, "periodicity"))
        menu.add_command(label = "Show mobility",
                         command = lambda: self.graph.drawParameter(self.cm, "mobility"))
        menu.add_command(label = "Show immobility",
                         command = lambda: self.graph.drawParameter(self.cm, "immobility"))
        menu.add_command(label = "Show entrances",
                         command = lambda: self.graph.drawParameter(self.cm, "entrances"))
        menu.add_command(label = "Show shocks",
                         command = lambda: self.graph.drawParameter(self.cm, "shocks"))
        menu.add_command(label = "Show bad points",
                         command = lambda: self.graph.drawParameter(self.cm, "bad points"))
        menu.add_command(label = "Show thigmotaxis",
                         command = lambda: self.graph.drawParameter(self.cm, "thigmotaxis"))
        menu.add_command(label = "Don't show anything",
                         command = lambda: self.graph.drawParameter(self.cm, None))
        menu.post(event.x_root, event.y_root)        


    def unDraw(self):
        "clears canvases, graph etc."
        if self.initialized:
            self.arenaCanv.delete("all")
            self.roomCanv.delete("all")
            self.graph.delete("all")
            self.initialized = False
            self.playBut.state(["disabled"])
            self.pauseBut.state(["disabled"])
            self.stopBut.state(["disabled"])
            self.fileFrame.previousBut.state(["disabled"])
            self.fileFrame.nextBut.state(["disabled"])
            self.fileFrame.tagBut.state(["disabled"])
            self.saveBut.state(["disabled"])
            

    def checkProcessing(self):
        "called when content of fileStorage is changed"
        if self.fileStorage.arenafiles or self.fileStorage.wrongfiles:
            self.fileStorageFrame.removeFiles.state(["!disabled"])
        else:
            self.fileStorageFrame.removeFiles.state(["disabled"])
        self.fileStorageFrame.chosenVar.set(len(self.fileStorage.arenafiles))
        self.fileStorageFrame.nonMatchingVar.set(len(self.fileStorage.wrongfiles))

        self.fileFrame.files = [] + self.fileStorage.arenafiles
        
        if not self.fileFrame.files or not self.fileFrame.selected in self.fileFrame.files:
            self.unDraw()

        if self.fileFrame.files:
            self.fileFrame.previousBut.state(["!disabled"])
            self.fileFrame.nextBut.state(["!disabled"])
            self.fileFrame.tagBut.state(["!disabled"])
            self.saveBut.state(["!disabled"])
            if not self.fileFrame.selected in self.fileFrame.files:
                self.fileFrame.selected = None
        else:
            self.fileFrame.selected = None
            
        self.fileFrame.drawTree(self.fileFrame.selected)


    def initialize(self):
        """initializes the canvases etc. if files were added to fileStorage and file from
            fileStorage is not initialized"""
        if self.fileFrame.files:
            if not self.fileFrame.selected in self.fileFrame.files:
                self.initializeFile(self.fileFrame.files[0])
                self.fileFrame.selected = self.fileFrame.files[0]


    def _timeFormat(self, time):
        "formats time from miliseconds to minutes:seconds"
        minutes = time // 60000
        seconds = (time % 60000) // 1000
        return "{:d}:{:0>2d}".format(int(minutes), int(seconds))

         
    def changedSpeed(self, value):
        "rounds speed set by scale"
        if eval(value) <= 1.0:
            self.speed.set(round(self.speed.get(), 1))
        elif eval(value) < 2.0:
            self.speed.set(round(self.speed.get() * 5, 0) / 5)
        elif eval(value) < 5.0:
            self.speed.set(round(self.speed.get() * 2, 0) / 2)
        elif eval(value) < 10.0:
            self.speed.set(round(self.speed.get(), 0))
        else:
            self.speed.set(round(self.speed.get() * 5, -1) / 5)