from Tkinter import *
import tkFileDialog
from picture import *
from PIL import ImageTk
import image_manipulation

def quit(window):
    window.destroy()
    
def save_file(window):
    photo = c_pic.save_pic.get_image()
    filename = tkFileDialog.asksaveasfilename()
    photo.save(filename + '.bmp')
    #print photo
    
def open_file(windows):   
    pic = make_picture(pick_a_file())
    photo = ImageTk.PhotoImage(pic.get_image())

    c_pic.config(image=photo)
    c_pic.config(width=photo.width())
    c_pic.config(height=photo.height())
    c_pic.image = photo
    c_pic.save_pic = pic
    
    frame2.pack()
    frame2.config(bg='black')
def callback():
    print "called the callback!"

def rotate_callback():
    top = Toplevel()
    top.minsize(width=100, height=100)
    top.title("Rotate Image")
    rotation1 = Label (top, text="cw")
    rotation1.grid(row=1,column=0)
    rotation2 = Label (top, text="ccw")
    rotation2.grid(row=1,column=1)
    rotation_degrees = StringVar()
    rotation_degrees.set("left 90")
    rotate_left(top, rotation_degrees)
    rotate_right(top, rotation_degrees)

def rotate_left(top, rotation_degrees):
    
    degree_90_left = Radiobutton (top, text="90", variable=rotation_degrees, \
                                  value="left 90")
    degree_90_left.grid(row=2, column=0)
    degree_180_left = Radiobutton (top, text="180", variable=rotation_degrees, \
                             value="left 180")
    degree_180_left.grid(row=3, column=0)
    degree_270_left = Radiobutton (top, text="270", variable=rotation_degrees, \
                                   value ="left 270")
    degree_270_left.grid(row=4, column=0)    
    
def rotate_right(top, rotation_degrees):
    degree_90_right = Radiobutton (top, text="90", variable=rotation_degrees, \
                                   value="right 90")
    degree_90_right.grid(row=2, column=1)
    degree_180_right = Radiobutton (top, text="180", variable=rotation_degrees, \
                                   value="right 180")
    degree_180_right.grid(row=3, column=1)
    degree_270_right = Radiobutton (top, text="270", variable=rotation_degrees, \
                                   value ="right 270")
    degree_270_right.grid(row=4, column=1)
    ok_button = Button (top, text="Ok", command=lambda: process_rotate \
                        (rotation_degrees), padx=12)
    ok_button.grid(row=5, column=1)

def process_rotate(rotation_degrees):
    rotate = rotation_degrees.get()
    rotation = 0
    if rotate == "left 90" or rotate == "right 270":
        rotation = 90
    elif rotate == "left 180" or rotate == "right 180":
        rotation = 180
    elif rotate == "right 90" or rotate == "left 270":
        rotation = 270
    pic = c_pic.save_pic.get_image() 
    new_pic = image_manipulation.rotate(pic, rotation)
    photo = ImageTk.PhotoImage(new_pic.get_image())
    c_pic.config(image=photo)
    c_pic.config(width=photo.width())
    c_pic.config(height=photo.height())
    c_pic.image = photo
    c_pic.save_pic = photo
    
#def :

if __name__ == '__main__':
    window = Tk()
    window.minsize(580,640)
    window.title("Image Tweak v1.0")
    frame = Frame (window)
    frame.pack(side=TOP, fill=X)
    
    menubar = Menu(window)
    filemenu = Menu(menubar)
    open_command = lambda : open_file(window)
    filemenu.add_command(label="Open", command=open_command)
    save_command = lambda : save_file(window)
    filemenu.add_command(label="Save", command=save_command)
    quit_command = lambda : quit(window)
    filemenu.add_command(label="Quit", command=quit_command)
    menubar.add_cascade(label="File", menu=filemenu)
        
    window.config(menu=menubar)
    
    b1 = Button(frame, text="rotate", width=6, command=rotate_callback)
    b1.pack(side=LEFT, padx=1, fill=BOTH, expand=1)
    b2 = Button(frame, text="Grey Scale", width=6, command=callback)
    b2.pack(side=LEFT, padx=1, fill=BOTH, expand=1)
    b3 = Button(frame, text="Mirror Image", width=6, command=callback)
    b3.pack(side=LEFT, padx=1, fill=BOTH, expand=1)
    b4 = Button(frame, text="Remove RedEye", width=6, command=callback)
    b4.pack(side=LEFT, padx=1, fill=BOTH, expand=1)
    b5 = Button(frame, text="Crop", width=6, command=callback)
    b5.pack(side=LEFT, padx=1, fill=BOTH, expand=1)
    b6 = Button(frame, text="Resize", width=6, command=callback)
    b6.pack(side=LEFT, padx=1, fill=BOTH, expand=1)

    frame2 = Frame(window)
    c_pic = Label(frame2, width=500, height=500,bg="black")
    c_pic.pack()
    
    scrollbar_y = Scrollbar (window)
    scrollbar_y.pack(side=RIGHT, fill=Y)
    scrollbar_x = Scrollbar (window)
    scrollbar_x.pack(side=BOTTOM, fill=X)    
    scrollbar_x.config(orient=HORIZONTAL)
    window.config(menu=menubar)
    
    window.mainloop()