import Tkinter

class probleme(Tkinter.Tk): 
    
    def __init__(self,parent):        
        Tkinter.Tk.__init__(self,parent)
        
        self.projectName=Tkinter.StringVar()
        self.curSec=0
        self.nbSection=0
        self.frame=None
        self.frames=[]
        self.sectionFrames=[]
        self.curFrame=0
        self.projFrame()
        self.curFrame=1
        self.secFrame()
        self.curFrame=0
        self.frames.append(None)
        self.updateFrame()
        self.mainloop()

    def projFrame(self):
        self.frames.append(Tkinter.Frame())
        self.frames[self.curFrame].grid
        Tkinter.Label(self.frames[self.curFrame],text="Project name : ").grid(row=0,column=0)
        Tkinter.Entry(self.frames[self.curFrame],textvariable=self.projectName).grid(row=0,column=1)
        Tkinter.Button(self.frames[self.curFrame],command=self.next,text="Next").grid(columnspan=2)
        
    def secFrame(self):
        self.frames.append(Tkinter.Frame(self,bd=2,relief=Tkinter.SUNKEN))

        self.frames[self.curFrame].grid_rowconfigure(0,weight=1)
        self.frames[self.curFrame].grid_columnconfigure(0,weight=1)

        yscrollbar=Tkinter.Scrollbar(self.frames[self.curFrame])
        yscrollbar.grid(row=0,column=1,sticky=Tkinter.N+Tkinter.S)

        canvas=Tkinter.Canvas(self.frames[self.curFrame],bd=0,
                        yscrollcommand=yscrollbar.set)
        self.frame=Tkinter.Frame(canvas)

        canvas.grid(row=0,column=0,sticky=Tkinter.N+Tkinter.S+Tkinter.E+Tkinter.W)
        canvas.create_window(0,0,window=self.frame)

        yscrollbar.config(command=canvas.yview)

        self.mainCmdFrame()
#        
#        scrollbar=Scrollbar(self.frames[self.curFrame])
#        scrollbar.pack(side=RIGHT,fill=Y)
#        
#        self.canvas=Canvas(self.frames[self.curFrame],yscrollcommand=scrollbar.set)
#        scrollbar.config(command=self.canvas.yview)
#        
#        self.canvas.create_window(0,0,window=self.frames[self.curFrame])
#        self.frames[self.curFrame].update_idletasks()
#        self.scrollZone=self.canvas.bbox("all")
#        self.canvas.config(scrollregion=self.scrollZone)

    def next(self):
        self.frames[self.curFrame].forget()
        self.curFrame=self.curFrame+1
        self.updateFrame()
        
    def previous(self):
        self.frames[self.curFrame].forget()
        self.curFrame=self.curFrame-1
        self.updateFrame()
        
    def updateFrame(self):
        self.frames[self.curFrame].pack()
        
    def mainCmdFrame(self):
        frame=Tkinter.Frame(self.frames[self.curFrame])
        Tkinter.Button(frame,command=self.addSectionGui,text="Add section").pack(side=Tkinter.RIGHT)
        Tkinter.Button(frame,command=self.previous,text="Previous").pack(side=Tkinter.LEFT)
        Tkinter.Button(frame,command=self.removeSectionGui,text="Remove section").pack(side=Tkinter.RIGHT)
        frame.grid(row=1,column=0,sticky=Tkinter.N+Tkinter.S+Tkinter.E+Tkinter.W)
        
    def addSectionGui(self):
        
        self.sectionFrames.append(Tkinter.LabelFrame(self.frame,text="Section #"+str(self.nbSection+1)))
        Tkinter.Label(self.sectionFrames[self.nbSection],text="Name : ").grid(row=0,column=0)
        Tkinter.Entry(self.sectionFrames[self.nbSection]).grid(row=0,column=1)
        Tkinter.Button(self.sectionFrames[self.nbSection],text="Functions",command=lambda i=self.nbSection:self.funcFrame(i)).grid(row=0,column=2)
        self.sectionFrames[self.nbSection].pack()
        self.frame.pack()
        self.nbSection=self.nbSection+1
        self.updateFrame()
        
    def removeSectionGui(self):
        try:
            
            self.sectionFrames[self.nbSection-1].destroy()
            self.sectionFrames=self.sectionFrames[:self.nbSection-1]
            self.nbSection=len(self.sectionFrames)
        except IndexError:
            print "No section to remove"
            
################################################################################
# Main : launch the script
################################################################################
if __name__=="__main__":
    confgen=probleme(None)