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tracking_interface.py
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tracking_interface.py
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from Tkinter import *
import time, tkMessageBox,tkColorChooser,tkFileDialog,Queue,random,tkSimpleDialog
import scan_server, config, data_packet, Mysql_logger #rssi_plot
from PIL import Image,ImageTk
from collections import deque
class App:
def __init__(self):
self.root = Tk()
self.frame = Frame(self.root,width=800,height=800)
self.frame.pack()
self.MainMenu()
self.SideFrame()
self.MainCanvas()
self.device_list = dict() # GUI elements for devices
self.position_data = dict()
self.Hlength = config.TRACKING_HISTORY #length of visible tracking history
self.evt_queue = Queue.Queue()
self.root.after(config.POLL_PERIOD, self.check_queue)
self.rssi_plot = None
def check_queue(self):
try:
while True:
item = self.evt_queue.get_nowait()
if type(item) == str:
self.handle_new_device(item)
else:
self.handle_new_position(item)
except Queue.Empty:
pass
self.root.after(config.POLL_PERIOD, self.check_queue)
def handle_new_device(self, device_mac):
print 'New device detected: %s' % device_mac
self.position_data[device_mac] = deque([])
self.add_device(device_mac)
#if not self.rssi_plot:
#self.rssi_plot = (device_mac, rssi_plot.RSSIPlot(device_mac))
def handle_new_position(self, packet):
if not packet.device_mac in self.position_data:
self.handle_new_device(packet.device_mac)
packet_buf = self.position_data[packet.device_mac]
packet_buf.append(packet)
self.add_packet(packet)
while len(packet_buf) > self.Hlength:
old_packet = packet_buf.popleft()
self.remove_packet(old_packet)
#print 'Through-graphics latency: %f sec' % (time.time() - packet.timestamp[0])
#if packet.device_mac == self.rssi_plot[0]:
#self.rssi_plot[1].plot_point(packet)
def mainloop(self):
self.root.mainloop()
#create main application menu
def MainMenu(self):
menubar = Menu(self.root)
self.root.config(menu=menubar)
filemenu = Menu(menubar)
menubar.add_cascade(label="File", menu=filemenu)
filemenu.add_command(label="Load map",command=self.Load_Map)
filemenu.add_command(label="History",command=self.History)
filemenu.add_separator()
filemenu.add_command(label="Exit",command=self.Close)
#create and resize canvas area for maps
def MainCanvas(self):
self.trackingarea = Canvas(self.frame, bg="white",width=600,height=400)
if config.DEFAULT_MAP:
self.image = Image.open(config.DEFAULT_MAP)
self.map = ImageTk.PhotoImage(self.image)
self.trackingarea.config(width=self.image.size[0],height=self.image.size[1])
self.trackingarea.create_image(0,0, anchor=NW, image = self.map, tag="map")
self.dimensions = config.DEFAULT_MAP_DIMENSIONS
self.trackingarea.pack(anchor=NW,fill=BOTH,expand=1)
def SideFrame(self):
self.sideframe = Frame(self.frame,width=100,height=400)
self.sideframe.pack(side=RIGHT,expand=1,fill=BOTH)
Label(self.sideframe, text="track").grid(row=0,column=0)
Label(self.sideframe, text="BD_ADDR").grid(row=0,column=1)
Label(self.sideframe, text="#_RCVR").grid(row=0,column=2)
Label(self.sideframe, text="color").grid(row=0,column=3)
def add_device(self,device_mac):
def mk_button_handler(button,color):
def handle():
result=tkColorChooser.askcolor()
color[:] = list(result[1])
button.config(bg=result[1])
return handle
row = len(self.device_list)+1
checkbox_state = IntVar()
checkbox_state.set(1)
checkbox = Checkbutton(self.sideframe,variable=checkbox_state).grid(row=row,column=0)
L1 = Label(self.sideframe, text=device_mac)
L1.grid(row=row,column=1)
L2 = Label(self.sideframe, text="#")
L2.grid(row=row,column=2)
color = list('blue')
colorbutton = Button(self.sideframe,text="color")
colorbutton.config(command=mk_button_handler(colorbutton,color), bg="blue")
colorbutton.grid(row=row,column=3)
self.device_list[device_mac] = (checkbox_state,color,(checkbox,L1,L2,colorbutton))
#handle application closing
def Close(self):
if tkMessageBox.askokcancel("Quit","Do you really wish to quit?"):
self.root.destroy()
def History(self):
length = tkSimpleDialog.askinteger("Tracking History","Please input the history length",parent=self.root,minvalue=0,initialvalue=5)
self.Hlength = length
#handle opening the map
def Load_Map(self):
img_name = tkFileDialog.askopenfilename()
if img_name == "":
return
self.image = Image.open(img_name)
self.map = ImageTk.PhotoImage(self.image)
optwindow = MapOptions(self.root, self.map_loaded)
def map_loaded(self, map_dialog):
if not map_dialog.val:
return
name = (map_dialog.e1.get())
width = float(map_dialog.e2.get())
height = float(map_dialog.e3.get())
self.dimensions = (name,width,height)
self.trackingarea.config(width=self.image.size[0],height=self.image.size[1])
self.trackingarea.delete("map")
self.trackingarea.create_image(0,0, anchor=NW, image = self.map, tag="map")
self.trackingarea.pack(fill=BOTH, expand=1)
def add_packet(self, packet):
if not self.trackingarea.find_withtag("map"):
return
self.trackingarea.delete("loc")
widthadj = self.image.size[0]/self.dimensions[1]
heightadj = self.image.size[1]/self.dimensions[2]
tracking_state, color, gui_element = self.device_list[packet.device_mac]
if tracking_state.get() == 1:
x, y = packet.position
xloc, yloc = (x*widthadj, y*heightadj)
c = ''.join(color)
tag = str(packet.timestamp[0])
self.trackingarea.create_rectangle(xloc-3, yloc-3, xloc+3, yloc+3, \
fill=c, tags=(tag))
self.trackingarea.pack()
def remove_packet(self, packet):
tag = str(packet.timestamp[0])
self.trackingarea.delete(tag)
self.trackingarea.pack()
#file options dialog to define map dimensions
class MapOptions(tkSimpleDialog.Dialog):
def __init__(self, parent, callback):
self.callback = callback
tkSimpleDialog.Dialog.__init__(self, parent)
def body(self,master):
Label(master, text="Name:").grid(row=0)
Label(master, text="Width:").grid(row=1)
Label(master, text="Height:").grid(row=2)
self.e1 = Entry(master)
self.e2 = Entry(master)
self.e3 = Entry(master)
self.e1.grid(row=0, column=1)
self.e2.grid(row=1, column=1)
self.e3.grid(row=2, column=1)
return self.e1
def validate(self):
self.val = True
return 1
def apply(self):
self.callback(self)
if __name__ == '__main__':
s = scan_server.TrackingPipeline()
a = App()
s.scan_server.add_new_device_callback(lambda dev: a.evt_queue.put(dev))
s.add_new_position_callback(lambda packet: a.evt_queue.put(packet))
#m = Mysql_logger.MysqlLogger()
#s.add_new_position_callback(lambda packet: m.log(packet))
try:
a.mainloop()
except KeyboardInterrupt:
pass
#m.stop()