diff options
Diffstat (limited to 'Demo/tkinter/guido/sortvisu.py')
| -rw-r--r-- | Demo/tkinter/guido/sortvisu.py | 74 |
1 files changed, 37 insertions, 37 deletions
diff --git a/Demo/tkinter/guido/sortvisu.py b/Demo/tkinter/guido/sortvisu.py index cbc911d417..417312181b 100644 --- a/Demo/tkinter/guido/sortvisu.py +++ b/Demo/tkinter/guido/sortvisu.py @@ -18,7 +18,6 @@ stand-alone application. """ - from tkinter import * import random @@ -201,27 +200,28 @@ class ArrayItem: self.value = value self.canvas = array.canvas x1, y1, x2, y2 = self.position() - self.item = array.canvas.create_rectangle(x1, y1, x2, y2, + self.item_id = array.canvas.create_rectangle(x1, y1, x2, y2, fill='red', outline='black', width=1) - array.canvas.tag_bind(self.item, '<Button-1>', self.mouse_down) - array.canvas.tag_bind(self.item, '<Button1-Motion>', self.mouse_move) - array.canvas.tag_bind(self.item, '<ButtonRelease-1>', self.mouse_up) + self.canvas.tag_bind(self.item_id, '<Button-1>', self.mouse_down) + self.canvas.tag_bind(self.item_id, '<Button1-Motion>', self.mouse_move) + self.canvas.tag_bind(self.item_id, '<ButtonRelease-1>', self.mouse_up) def delete(self): - item = self.item + item_id = self.item_id self.array = None - self.item = None - item.delete() + self.item_id = None + self.canvas.delete(item_id) def mouse_down(self, event): self.lastx = event.x self.lasty = event.y self.origx = event.x self.origy = event.y - self.item.tkraise() + self.canvas.tag_raise(self.item_id) def mouse_move(self, event): - self.item.move(event.x - self.lastx, event.y - self.lasty) + self.canvas.move(self.item_id, + event.x - self.lastx, event.y - self.lasty) self.lastx = event.x self.lasty = event.y @@ -236,7 +236,7 @@ class ArrayItem: self.array.items[here], self.array.items[i] = other, self self.index = i x1, y1, x2, y2 = self.position() - self.canvas.coords(self.item, (x1, y1, x2, y2)) + self.canvas.coords(self.item_id, (x1, y1, x2, y2)) other.setindex(here) def setindex(self, index): @@ -248,9 +248,9 @@ class ArrayItem: self.index = index newpts = self.position() trajectory = interpolate(oldpts, newpts, nsteps) - self.item.tkraise() + self.canvas.tag_raise(self.item_id) for pts in trajectory: - self.canvas.coords(self.item, pts) + self.canvas.coords(self.item_id, pts) self.array.wait(50) def swapwith(self, other): @@ -263,45 +263,45 @@ class ArrayItem: self.index, other.index = other.index, self.index mynewpts = self.position() othernewpts = other.position() - myfill = self.canvas.itemcget(self.item, 'fill') - otherfill = self.canvas.itemcget(other.item, 'fill') - self.canvas.itemconfig(self.item, fill='green') - self.canvas.itemconfig(other.item, fill='yellow') + myfill = self.canvas.itemcget(self.item_id, 'fill') + otherfill = self.canvas.itemcget(other.item_id, 'fill') + self.canvas.itemconfig(self.item_id, fill='green') + self.canvas.itemconfig(other.item_id, fill='yellow') self.array.master.update() if self.array.speed == "single-step": - self.canvas.coords(self.item, mynewpts) - self.canvas.coords(other.item, othernewpts) + self.canvas.coords(self.item_id, mynewpts) + self.canvas.coords(other.item_id, othernewpts) self.array.master.update() - self.canvas.itemconfig(self.item, fill=myfill) - self.canvas.itemconfig(other.item, fill=otherfill) + self.canvas.itemconfig(self.item_id, fill=myfill) + self.canvas.itemconfig(other.item_id, fill=otherfill) self.array.wait(0) return mytrajectory = interpolate(myoldpts, mynewpts, nsteps) othertrajectory = interpolate(otheroldpts, othernewpts, nsteps) if self.value > other.value: - self.canvas.tag_raise(self.item) - self.canvas.tag_raise(other.item) + self.canvas.tag_raise(self.item_id) + self.canvas.tag_raise(other.item_id) else: - self.canvas.tag_raise(other.item) - self.canvas.tag_raise(self.item) + self.canvas.tag_raise(other.item_id) + self.canvas.tag_raise(self.item_id) try: for i in range(len(mytrajectory)): mypts = mytrajectory[i] otherpts = othertrajectory[i] - self.canvas.coords(self.item, mypts) - self.canvas.coords(other.item, otherpts) + self.canvas.coords(self.item_id, mypts) + self.canvas.coords(other.item_id, otherpts) self.array.wait(50) finally: mypts = mytrajectory[-1] otherpts = othertrajectory[-1] - self.canvas.coords(self.item, mypts) - self.canvas.coords(other.item, otherpts) - self.canvas.itemconfig(self.item, fill=myfill) - self.canvas.itemconfig(other.item, fill=otherfill) + self.canvas.coords(self.item_id, mypts) + self.canvas.coords(other.item_id, otherpts) + self.canvas.itemconfig(self.item_id, fill=myfill) + self.canvas.itemconfig(other.item_id, fill=otherfill) def compareto(self, other): - myfill = self.canvas.itemcget(self.item, 'fill') - otherfill = self.canvas.itemcget(other.item, 'fill') + myfill = self.canvas.itemcget(self.item_id, 'fill') + otherfill = self.canvas.itemcget(other.item_id, 'fill') if self.value < other.value: myflash = 'white' otherflash = 'black' @@ -314,12 +314,12 @@ class ArrayItem: myflash = otherflash = 'grey' outcome = 0 try: - self.canvas.itemconfig(self.item, fill=myflash) - self.canvas.itemconfig(other.item, fill=otherflash) + self.canvas.itemconfig(self.item_id, fill=myflash) + self.canvas.itemconfig(other.item_id, fill=otherflash) self.array.wait(500) finally: - self.canvas.itemconfig(self.item, fill=myfill) - self.canvas.itemconfig(other.item, fill=otherfill) + self.canvas.itemconfig(self.item_id, fill=myfill) + self.canvas.itemconfig(other.item_id, fill=otherfill) return outcome def position(self): |