def change(self):
if isinstance(FigureManager.menu_figure, Triangle):
str_x1, str_y1 = self.x.get(), self.y.get()
str_x2, str_y2 = self.x2.get(), self.y2.get()
str_x3, str_y3 = self.x3.get(), self.y3.get()
self.painter.remove_by_id(FigureManager.menu_figure.canvas_object)
all_coors = FigureManager.menu_figure.get_all_coordinates()
if str_x1 != '' and str_y1 != '':
x1, y1 = int(str_x1) + X_OFFSET, Y_OFFSET - int(str_y1)
all_coors[0] = x1
all_coors[1] = y1
if str_x2 != '' and str_y2 != '':
x2, y2 = int(str_x2) + X_OFFSET, Y_OFFSET - int(str_y2)
all_coors[2] = x2
all_coors[3] = y2
if str_x3 != '' and str_y3 != '':
x3, y3 = int(str_x3) + X_OFFSET, Y_OFFSET - int(str_y3)
all_coors[4] = x3
all_coors[5] = y3
modified_triangle = Triangle(all_coors[0], all_coors[1], all_coors[2], all_coors[3], all_coors[4], all_coors[5])
self.painter.draw_triangle(modified_triangle)
FigureManager.set_menu_figure(modified_triangle)
self.update()
def create_triangle_handler(self, x, y):
if FigureManager.get_figure() == "triangle":
r = TRIANGLE_START_SIZE
x1, y1 = x, y
x2, y2 = x - r, y
x3, y3 = x, y - r
triangle = Triangle(x1, y1, x2, y2, x3, y3)
FigureManager.set_menu_figure(triangle)
self.painter.draw_triangle(triangle)
def draw_triangle(self, triangle):
x1, y1 = triangle.vertex1.x, triangle.vertex1.y
x2, y2 = triangle.vertex2.x, triangle.vertex2.y
x3, y3 = triangle.vertex3.x, triangle.vertex3.y
canvas_triangle = self.canvas.create_polygon(
[x1, y1, x2, y2, x3, y3],
fill=StyleManager.get_fill_color(),
outline=StyleManager.get_outline_color())
FigureManager.add_figure(triangle)
triangle.set_canvas_object(canvas_triangle)
def change_size(self):
if isinstance(FigureManager.menu_figure, Circle):
str_r = self.r.get()
if str_r != '':
r = int(str_r)
self.painter.remove_by_id(FigureManager.menu_figure.canvas_object)
center_x, center_y = FigureManager.menu_figure.get_coordinates()
modified_circle = Circle(center_x, center_y, r)
self.painter.draw_circle(modified_circle)
FigureManager.set_menu_figure(modified_circle)
self.update()
def draw_point(self, point, r):
center_x, center_y = point.get_coordinates()
canvas_point = self.canvas.create_oval(
center_x - r,
center_y - r,
center_x + r,
center_y + r,
fill=StyleManager.get_fill_color(),
outline=StyleManager.get_outline_color())
FigureManager.add_figure(point)
point.set_canvas_object(canvas_point)
def draw_circle(self, circle):
center_x, center_y = circle.get_center()
r = circle.get_radius()
canvas_circle = self.canvas.create_oval(
center_x - r,
center_y - r,
center_x + r,
center_y + r,
fill=StyleManager.get_fill_color(),
outline=StyleManager.get_outline_color())
FigureManager.add_figure(circle)
circle.set_canvas_object(canvas_circle)
def __init__(self, root):
Menu.__init__(self, root)
self.figure_manager = FigureManager()
file = Menu(self, tearoff=False)
file.add_command(label="Exit", underline=1, command=self.quit)
self.add_cascade(label="File", underline=0, menu=file)
figure = Menu(self, tearoff=False)
figure.add_command(label="Point",
command=FigureManager.set_figure_point)
figure.add_command(label="Circle",
command=FigureManager.set_figure_circle)
figure.add_command(label="Triangle",
command=FigureManager.set_figure_triangle)
self.add_cascade(label="Figure", underline=0, menu=figure)
def stop_moving(self, event):
x, y = event.x, event.y
point = Point(x, y)
FigureManager.stop_moving_figure()
if isinstance(FigureManager.modified_figure, Circle):
self.painter.remove_by_id(FigureManager.modified_figure.canvas_object)
center_x, center_y = FigureManager.modified_figure.get_coordinates()
center_point = Point(center_x, center_y)
modified_circle = Circle(center_x, center_y, point.distance(center_point))
self.painter.draw_circle(modified_circle)
FigureManager.set_menu_figure(modified_circle)
if isinstance(FigureManager.modified_figure, Triangle):
self.painter.remove_by_id(FigureManager.modified_figure.canvas_object)
all_coors = FigureManager.modified_figure.get_all_coordinates()
all_coors[2*FigureManager.n_vertex_modification - 2] = x
all_coors[2*FigureManager.n_vertex_modification - 1] = y
modified_triangle = Triangle(all_coors[0], all_coors[1], all_coors[2], all_coors[3], all_coors[4], all_coors[5])
self.painter.draw_triangle(modified_triangle)
FigureManager.set_menu_figure(modified_triangle)
self.figure_menu.update()
FigureManager.stop_modification()
def drag_handler(self, event):
if self.shift_pressed:
x, y = event.x, event.y
if FigureManager.moving_figure is None:
figure_id = self.painter.get_figure_id(x, y)
figure = FigureManager.find_figure(figure_id, x, y)
if figure is None:
return
FigureManager.set_moving_figure(figure)
FigureManager.set_menu_figure(figure)
else:
figure_x, figure_y = FigureManager.moving_figure.get_coordinates()
self.painter.move(FigureManager.moving_figure.canvas_object, x - figure_x, y - figure_y)
FigureManager.moving_figure.set_coordinates(x, y)
self.figure_menu.update()
elif self.ctrl_pressed:
x, y = event.x, event.y
if FigureManager.modified_figure is None:
figure_id = self.painter.get_figure_id(x, y)
figure = FigureManager.find_figure(figure_id, x, y)
if figure is None or isinstance(figure, Point):
return
FigureManager.set_modified_figure(figure, x, y)
def release(self, event):
if event.keysym == "Shift_L":
self.shift_pressed = False
FigureManager.stop_moving_figure()
elif event.keysym == "Control_L":
self.ctrl_pressed = False
def remove(self, x, y):
figure_id = self.canvas.find_closest(x, y)
if figure_id[0] > ID_OFFSET:
if FigureManager.remove_figure(figure_id[0], x, y):
self.canvas.delete(figure_id[0])
def create_point_handler(self, x, y):
if FigureManager.get_figure() == "point":
point = Point(x, y)
FigureManager.set_menu_figure(point)
self.painter.draw_point(point, POINT_SIZE)
def create_circle_handler(self, x, y):
if FigureManager.get_figure() == "circle":
circle = Circle(x, y, CIRCLE_START_RADIUS)
FigureManager.set_menu_figure(circle)
self.painter.draw_circle(circle)