added 06_id.py code CANVAS06

06_devnull.py

@@ -0,0 +1,149 @@
+#!/usr/bin/env python3
+'''
+Пример объектной организации кода
+'''
+
+from tkinter import *
+from tkinter import colorchooser
+from tkinter import filedialog
+
+
+class App(Frame):
+    '''Base framed application class'''
+
+    def __init__(self, master=None, Title="Application"):
+        Frame.__init__(self, master)
+        self.master.rowconfigure(0, weight=1)
+        self.master.columnconfigure(0, weight=1)
+        self.master.title(Title)
+        self.grid(sticky=N + E + S + W)
+        self.create()
+        self.config()
+
+    def create(self):
+        '''Create all the widgets'''
+        self.bQuit = Button(self, text='Quit', command=self.quit)
+        self.bQuit.grid(row=0, column=1)
+
+    def config(self):
+        #self.rowconfigure(2, weight=1)
+        self.columnconfigure(0, weight=1)
+        #self.columnconfigure(1, weight=1)
+        self.columnconfigure(2, weight=1)
+        self.rowconfigure(0, weight=1)
+        #self.rowconfigure(1, weight=1)
+
+'''
+    def adjust(self):
+
+        # TODO Smart detecting resizeable/still cells
+        for i in range(self.size()[0]):
+            self.columnconfigure(i, weight=12)
+        for i in range(self.size()[1]):
+            self.rowconfigure(i, weight=12)
+'''
+
+
+class Paint(Canvas):
+
+    def mousedown(self, event):
+        self.x0, self.y0 = event.x, event.y
+        self.cursor = None
+
+    def mousemove(self, event):
+        if self.cursor:
+            self.delete(self.cursor)
+        self.cursor = self.create_line((self.x0, self.y0, event.x, event.y), fill=self.foreground.get())
+
+    def mouseup(self, event):
+        self.cursor = None
+        # print(self.find_all())
+
+    def __init__(self, master=None, *ap, foreground="black", **an):
+        self.foreground = StringVar()
+        self.foreground.set(foreground)
+        Canvas.__init__(self, master, *ap, **an)
+        self.bind("<Button-1>", self.mousedown)
+        self.bind("<B1-Motion>", self.mousemove)
+        self.bind("<ButtonRelease-1>", self.mouseup)
+
+
+class MyApp(App):
+
+    def askcolor(self):
+        self.Canvas.foreground.set(colorchooser.askcolor()[1])
+        self.ShowColor['bg'] = self.Canvas.foreground.get()
+
+    def load(self):
+        filename = filedialog.askopenfilename(
+            initialdir="/",
+            title="Select file",
+            filetypes=(("text file", "*.txt"),)
+        )
+        if not filename:
+            return
+        with open(filename, "r") as f:
+            for s in f.readlines():
+                s = s.split()
+                coords = tuple(float(i) for i in s[:4])
+                color = s[4]
+                self.Canvas.create_line(coords, fill=color)
+
+    def clear(self):
+        self.Canvas.delete(ALL)
+        self.Canvas2.delete(ALL)
+
+    def copy(self):
+        l = set()
+        for i in self.Canvas.find_all():
+            l.add((*self.Canvas.coords(i), self.Canvas.itemcget(i, "fill")))
+        for i in self.Canvas2.find_all():
+            l.add((*self.Canvas2.coords(i), self.Canvas2.itemcget(i, "fill")))
+        self.clear()
+        for i in l:
+            self.Canvas.create_line(i[:4], fill=i[4])
+            self.Canvas2.create_line(i[:4], fill=i[4])
+
+    def save(self):
+        filename = filedialog.asksaveasfilename(
+            initialdir="/",
+            title="Select",
+            filetypes=(("file", "*.txt"),)
+        )
+        if not filename:
+            return
+        with open(filename, "w") as f:
+            canvas = self.Canvas
+            for i in canvas.find_all():
+                for s in canvas.coords(i):
+                    f.write(str(s) + " ")
+                f.write(canvas.itemcget(i, "fill") + "\n")
+
+    def create(self):
+        self.Canvas = Paint(self, foreground="black")
+        self.Canvas.foreground.set("#000000")
+        self.Canvas.grid(row=0, column=0, rowspan=3, sticky=N + E + S + W)
+        self.Canvas2 = Paint(self, foreground="black")
+        self.Canvas2.foreground.set("#000000")
+        self.Canvas2.grid(row=0, column=2, rowspan=3, sticky=N + E + S + W)
+        self.AskColor = Button(self, text="Color", command=self.askcolor)
+        self.AskColor.grid(row=0, column=1, sticky=W + N + S + E)
+        self.ShowColor = Label(self, textvariable=self.Canvas.foreground)
+        self.ShowColor.grid(row=1, column=1, sticky=W + N + S + E)
+        self.ShowColor['bg'] = self.Canvas.foreground.get()
+        self.Copy = Button(self, text="CopyToRight", command=self.copy)
+        self.Copy.grid(row=2, column=1, sticky=W + N + S + E)
+        self.Load = Button(self, text="Load", command=self.load)
+        self.Load.grid(row=3, column=1, sticky=W + N + S + E)
+        self.Save = Button(self, text="Save", command=self.save)
+        self.Save.grid(row=4, column=1, sticky=W + N + S + E)
+        self.Clear = Button(self, text="Clear", command=self.clear)
+        self.Clear.grid(row=5, column=1, sticky=W + N + S + E)
+        self.Quit = Button(self, text="Quit", command=self.quit)
+        self.Quit.grid(row=6, column=1, sticky=W + N + S + E)
+
+
+app = MyApp(Title="Canvas Example")
+app.mainloop()
+# for item in app.Canvas.find_all():
+#   print(*app.Canvas.coords(item), app.Canvas.itemcget(item, "fill"))