import Tkinter as tk

from dispatch import dispatcher

import run_local

from light9 import Submaster, dmxclient, networking, cursors

from light9.TLUtility import make_attributes_from_args

from light9.dmxchanedit import gradient

class Curve:

    """curve does not know its name. see Curveset"""

    points = None # x-sorted list of (x,y)

    def __init__(self):

    def load(self,filename):

        self.points[:]=[]

        for line in file(filename):

            self.points.append(tuple([float(a) for a in line.split()]))

        self.points.sort()

        dispatcher.send("points changed",sender=self)

    def save(self,filename):

        if filename.endswith('-music') or filename.endswith('_music'):

            print "not saving music track"

            return

            c=Curve()

            c.load(filename)

            curvename = curvename.replace('-','_')

            self.add_curve(curvename,c)            

    def save(self,basename):

        """writes a file for each curve with a name

        like basename-curvename"""

        for name,cur in self.curves.items():

            cur.save("%s-%s" % (basename,name))

    def add_curve(self,name,curve):

        self.curves[name] = curve

        dispatcher.send("add_curve",sender=self,name=name)

    def globalsdict(self):

        return self.curves.copy()

    def new_curve(self,name):

        if name=="":

            print "no name given"

            return

        while name in self.curves:

           name=name+"-1"

class Curvesetview(tk.Frame):

    curves = None # curvename : Curveview

    def __init__(self,master,curveset,**kw):

        self.curves = {}

        self.curveset = curveset

        tk.Frame.__init__(self,master,**kw)

        f = tk.Frame(self,relief='raised',bd=1)

        f.pack(side='top',fill='x')

        tk.Button(f,text="new curve named:",

                  command=lambda: self.curveset.new_curve(self.newcurvename.get())).pack(side='left')

        self.newcurvename = tk.StringVar()

        tk.Entry(f,textvariable=self.newcurvename).pack(side='left',

                                                        fill='x',exp=1)

        dispatcher.connect(self.add_curve,"add_curve",sender=self.curveset)

    def add_curve(self,name):

        f = tk.Frame(self,relief='raised',bd=1)

        f.pack(side='top',fill='both',exp=1)

        tk.Label(f,text="curve %r"%name,width=15).pack(side='left')

        cv = Curveview(f,self.curveset.curves[name])

        cv.pack(side='right',fill='both',exp=1)

        self.curves[name] = cv