def init_graph(self,mylist):
global row, col
start=self.reverse((col-1,row-1))
end=self.reverse((0,row-1))
self.graph=ComputePath(mylist, start, end)
track_path=self.graph.get_trackPath()
self.draw_path(track_path)
class Draw():
def __init__(self):
global length_out
self.mylist=[]
root=tkinter.Tk()
root.title("grocery shopping path")
self.canvas=tkinter.Canvas(root,bg="white",height=length_out, width=length_out)
self.canvas.pack()
self.draw_layout()
self.draw_Pic()
doneButton=tkinter.Button(root,text="Done with choosing", fg="black")
doneButton.pack(side='top')
doneButton.bind('<ButtonPress-1>',self.onClickDone)
root.mainloop()
def draw_layout(self):
global row,col
y1=int(row/10)
y2=int(4*row/10)-1
y3=int(row/2)
y4=int(8*row/10)-1
for x in [0,int((col-1)/3),int((2*col-2)/3), col-1]:
self.draw_aisle((x,y1),(x,y2),'SkyBlue1')
self.draw_aisle((x,y3),(x,y4),'SkyBlue1')
def interpolate(self,xpos,ypos):
#convert x,y coordinates into tkinter positioning
global row, col, length
return xpos*length/(col-1)+30, ypos*length/(row-1)+20
def interpolate_reverse(self,x,y):
#convert tkinter positioning into x,y coordinates
global row, col, length
return min(int((x-30)*(col-1)/length),col-1),min(int((y-20)*(row-1)/length),row-1)
def draw_aisle(self,tuple1, tuple2, mycolor):
#given x,y coordinates and draw aisle on canvas
cord1=self.interpolate(tuple1[0],tuple1[1])
cord2=self.interpolate(tuple2[0],tuple2[1])
tmp=self.canvas.create_line(cord1[0],cord1[1],cord2[0],cord2[1],width=20, fill=mycolor)
self.canvas.tag_bind(tmp,'<ButtonPress-1>',self.onClick)
def draw_line(self,tuple1, tuple2, mycolor):
#given x,y coordinates and draw line on canvas (no on-click listener)
cord1=self.interpolate(tuple1[0],tuple1[1])
cord2=self.interpolate(tuple2[0],tuple2[1])
tmp=self.canvas.create_line(cord1[0],cord1[1],cord2[0],cord2[1],width=5, fill=mycolor)
def onClick(self,event):
#prompt for user input of grocery location
print('Got object click')
self.canvas.create_line(event.x,event.y-4,event.x,event.y+4,width=10,fill='plum1')
self.mylist.append(self.reverse(self.interpolate_reverse(event.x,event.y)))
print(self.interpolate_reverse(event.x,event.y))
def onClickDone(self,event):
#respond when user are done with choosing location; Compute shortest path
self.init_graph(self.mylist)
def init_graph(self,mylist):
global row, col
start=self.reverse((col-1,row-1))
end=self.reverse((0,row-1))
self.graph=ComputePath(mylist, start, end)
track_path=self.graph.get_trackPath()
self.draw_path(track_path)
def reverse(self,mytuple):
#(x,y) here == (y,x) in ComputePath
return mytuple[1],mytuple[0]
def draw_path(self, path):
path_list=[]
for ele in path:
if isinstance(ele,tuple):
path_list.append(self.reverse(ele))
else:
for ele2 in ele:
if isinstance(ele2,tuple):
path_list.append(self.reverse(ele2))
i=0
while (i<len(path_list)-1):
self.draw_line(path_list[i],path_list[i+1],'pink1')
i+=1
def draw_Pic(self):
global row, col
self.pic1=(tkinter.PhotoImage(file='tool-frypan.gif'))
tmp=self.interpolate(0,int(row/10))
self.canvas.create_image(tmp[0],tmp[1]-32, image=self.pic1)
self.pic2=(tkinter.PhotoImage(file='wine.gif'))
tmp=self.interpolate(int((col-1)/3),int(row/10))
self.canvas.create_image(tmp[0],tmp[1]-32, image=self.pic2)
self.pic3=(tkinter.PhotoImage(file='milk.gif'))
tmp=self.interpolate(int((2*col-2)/3),int(row/10))
self.canvas.create_image(tmp[0],tmp[1]-32, image=self.pic3)
self.pic4=(tkinter.PhotoImage(file='vegg.gif'))
tmp=self.interpolate(int(col-1),int(row/10))
self.canvas.create_image(tmp[0],tmp[1]-32, image=self.pic4)
self.pic5=(tkinter.PhotoImage(file='mis.gif'))
tmp=self.interpolate(0,int(row/2))
self.canvas.create_image(tmp[0],tmp[1]-32, image=self.pic5)
self.pic6=(tkinter.PhotoImage(file='cake.gif'))
tmp=self.interpolate(int((col-1)/3),int(row/2))
self.canvas.create_image(tmp[0],tmp[1]-32, image=self.pic6)
self.pic7=(tkinter.PhotoImage(file='ice_cream.gif'))
tmp=self.interpolate(int((2*col-2)/3),int(row/2))
self.canvas.create_image(tmp[0],tmp[1]-32, image=self.pic7)
self.pic8=(tkinter.PhotoImage(file='meat.gif'))
tmp=self.interpolate(int(col-1),int(row/2))
self.canvas.create_image(tmp[0],tmp[1]-32, image=self.pic8)
self.picStart=(tkinter.PhotoImage(file='dor.gif'))
tmp=self.interpolate(col-1,row-1)
self.canvas.create_image(tmp[0],tmp[1]+5, image=self.picStart)
self.picEnd=(tkinter.PhotoImage(file='dollar-sign.gif'))
tmp=self.interpolate(0,row-1)
self.canvas.create_image(tmp[0],tmp[1]+5, image=self.picEnd)