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<!DOCTYPE HTML PUBLIC "-//Netscape_Microsoft//DTD HTML 3.0//EN">
<HTML>

<!-- This file generated using the Python HTMLgen module. -->
<HEAD>
  <META NAME="GENERATOR" CONTENT="HTMLgen 1.1">
        <TITLE>PmwNoteBookR.py</TITLE>
</HEAD>
<BODY BGCOLOR="#FFFFFF">
<PRE>
<FONT COLOR="#0000DD">"""
I really should define a NBFrame widget according to the Tix specifications.
Thus, I could refer to the Tix documentation.
"""</FONT>

import sys
import string
import Tkinter
import Pmw

TRUE  = 1
FALSE = 0

DARKGRAY  = <FONT COLOR="#009900">'gray60'</FONT>
LIGHTGRAY = <FONT COLOR="#009900">'gray82'</FONT>

<STRONG><FONT COLOR="#CC6600">class NoteBookPage</FONT></STRONG>( Pmw.MegaWidget ):
<STRONG>    def __init__</STRONG>(self, notebook, pagename, **kw):
	self.notebook = notebook
	self.pagename = pagename

        <FONT COLOR="#DD0000"># Define the megawidget options.</FONT>
	INITOPT = Pmw.INITOPT
        optiondefs = (
	    (<FONT COLOR="#009900">'anchor'</FONT>,        <FONT COLOR="#009900">'c'</FONT>,       INITOPT),
	    #(<FONT COLOR="#009900">'bitmap'</FONT>,        None,      INITOPT),
	    (<FONT COLOR="#009900">'balloonHelp'</FONT>,    <FONT COLOR="#009900">''</FONT>,      None),
	    (<FONT COLOR="#009900">'statusHelp'</FONT>,  None,      None),
	    (<FONT COLOR="#009900">'createcmd'</FONT>,     None,      None),
	    #(<FONT COLOR="#009900">'image'</FONT>,         None,      INITOPT),
	    (<FONT COLOR="#009900">'justify'</FONT>,       None,      INITOPT),
	    (<FONT COLOR="#009900">'label'</FONT>,         "",        INITOPT),
	    (<FONT COLOR="#009900">'raisecmd'</FONT>,      None,      None),
	    (<FONT COLOR="#009900">'lowercmd'</FONT>,      None,      None),
	    (<FONT COLOR="#009900">'state'</FONT>,         <FONT COLOR="#009900">'normal'</FONT>,  self._setstate),
	    (<FONT COLOR="#009900">'underline'</FONT>,     0,         INITOPT),
	    #(<FONT COLOR="#009900">'wraplength'</FONT>,    0,         INITOPT)
	    )
        self.defineoptions(kw, optiondefs)

        <FONT COLOR="#DD0000"># Initialise the base class (after defining the options).</FONT>
        Pmw.MegaWidget.__init__(self, notebook.interior())

        <FONT COLOR="#DD0000"># Create the components.</FONT>
        interior = Pmw.MegaWidget.interior(self)

	l = Tkinter.Label(self.notebook.component(<FONT COLOR="#009900">'nbframe'</FONT>))
	font = l.cget(<FONT COLOR="#009900">'font'</FONT>)
	l.destroy()
	del l

	self._button = self.createcomponent(
	    <FONT COLOR="#009900">'button'</FONT>,
	    (), None,
	    Tkinter.Button, (self.notebook.interior(),),
	    bd=0, relief=<FONT COLOR="#009900">'flat'</FONT>,
	    text=self[<FONT COLOR="#009900">'label'</FONT>],
	    font=font,
	    underline=self[<FONT COLOR="#009900">'underline'</FONT>],
	    command=self.lift
	    )

	if not self.notebook[<FONT COLOR="#009900">'balloon'</FONT>] is None:
	    self.notebook[<FONT COLOR="#009900">'balloon'</FONT>].bind(
		self.component(<FONT COLOR="#009900">'button'</FONT>), 
		self[<FONT COLOR="#009900">'balloonHelp'</FONT>], 
		self[<FONT COLOR="#009900">'statusHelp'</FONT>]
		)
						    
        <FONT COLOR="#DD0000"># Check keywords and initialise options.</FONT>
        self.initialiseoptions(NoteBookPage)
	
	self._iscreated = FALSE

<STRONG>    def _setstate</STRONG>(self):
	self.component(<FONT COLOR="#009900">'button'</FONT>).configure(state=self[<FONT COLOR="#009900">'state'</FONT>])

<STRONG>    def lift</STRONG>(self):
	if not self._iscreated:
	    if not self[<FONT COLOR="#009900">'createcmd'</FONT>] is None: self[<FONT COLOR="#009900">'createcmd'</FONT>]()
	    self._iscreated = TRUE
	if not self[<FONT COLOR="#009900">'raisecmd'</FONT>] is None: self[<FONT COLOR="#009900">'raisecmd'</FONT>]()

	if self.cget(<FONT COLOR="#009900">'state'</FONT>) == <FONT COLOR="#009900">'normal'</FONT>:
	    self.notebook.lift(self.pagename)

<STRONG>    def _lower</STRONG>(self):
	<FONT COLOR="#0000DD">"""
	Should no be called directly: top is lowered when other is raised !
	Whereas the page.lift() calls the notebook.lift(), page._lower() is
	called *from* notebook.lift(). Asymmetric indeed, but don't forget 
	that this is caused by the restriction that only one page may be
	raised. 
	The reason for having this page._lower() method is to call the 
	lowercmd if defined, just as the page.lift() method calls the 
	raisecmd.
	"""</FONT>
	if not self[<FONT COLOR="#009900">'lowercmd'</FONT>] is None: self[<FONT COLOR="#009900">'lowercmd'</FONT>]
	
	

<STRONG>    def req_size</STRONG>(self):
	self.update_idletasks()
	return self.winfo_reqwidth(), self.winfo_reqheight()

Pmw.forwardmethods(NoteBookPage, Tkinter.Frame, <FONT COLOR="#009900">'_hull'</FONT>)
	
	    
<STRONG><FONT COLOR="#CC6600">class NoteBookR</FONT></STRONG>( Pmw.MegaWidget ):
<STRONG>    def __init__</STRONG>(self, parent = None, **kw):

        <FONT COLOR="#DD0000"># Define the megawidget options.</FONT>
	INITOPT = Pmw.INITOPT
        optiondefs = (
	    #(<FONT COLOR="#009900">'dynamicgeometry'</FONT>, FALSE,  INITOPT ),# deplorable option!
	    (<FONT COLOR="#009900">'balloon'</FONT>,       None,      None),
	    (<FONT COLOR="#009900">'ipadx'</FONT>,           4,      INITOPT),
	    (<FONT COLOR="#009900">'ipady'</FONT>,           4,      INITOPT)
	    )
        self.defineoptions(kw, optiondefs)

        <FONT COLOR="#DD0000"># Initialise the base class (after defining the options).</FONT>
        Pmw.MegaWidget.__init__(self, parent)

        <FONT COLOR="#DD0000"># Create the components.</FONT>
        interior = Pmw.MegaWidget.interior(self)

	self._nbframe = self.createcomponent(
	    <FONT COLOR="#009900">'nbframe'</FONT>, 
	    (), None,
	    Tkinter.Canvas, (self.component(<FONT COLOR="#009900">'hull'</FONT>),),
	    bd=0,
	    height=0,
	    width=0
	    )

	self._nbframe.pack(side=<FONT COLOR="#009900">'top'</FONT>,padx=0,pady=0)
						    
        <FONT COLOR="#DD0000"># Check keywords and initialise options.</FONT>
        self.initialiseoptions(NoteBookR)

	self._pages       = []        <FONT COLOR="#DD0000"># [name1, name2, ...]</FONT>
	self._pagedict    = {}        <FONT COLOR="#DD0000"># { name: NoteBookPageObject}</FONT>
	self._currentpage = None      <FONT COLOR="#DD0000"># name (!) of currently raised page</FONT>
	self._indexpage   = -1        <FONT COLOR="#DD0000"># index of currently raised page</FONT>
	
	<FONT COLOR="#DD0000"># Variables used for sizing the Canvas and painting the tabs.</FONT>
	self._tabheight   = 0
	self._tabwidth    = 0
	self._borderwidth = 2
	self._pagewidth   = 0
	self._pageheight  = 0
	self._nbwidth     = 2*self._borderwidth
	self._nbheight    = 2*self._borderwidth
	self._nbcenterx   = 0
	self._nbcentery   = 0
	self._tablineitems = [<FONT COLOR="#009900">'_light'</FONT>,<FONT COLOR="#009900">'_dark'</FONT>, <FONT COLOR="#009900">'_topline'</FONT>,<FONT COLOR="#009900">'_button'</FONT>,<FONT COLOR="#009900">'_bottom'</FONT>]
	
	<FONT COLOR="#DD0000"># XXX Necessary, but clumsy to look at: really should be the </FONT>
	<FONT COLOR="#DD0000"># Toplevel configure at which the method should be called, that is,</FONT>
	<FONT COLOR="#DD0000"># before other widgets are already displayed.</FONT>
	self.bind(<FONT COLOR="#009900">'&lt;Configure&gt;'</FONT>, self.initialise)

<STRONG>    def initialise</STRONG>(self,e=None):
	self._makereqsize()
	self._drawborder()
	
	self.lift(0)
	
<STRONG>    def interior</STRONG>(self):
        return self._nbframe

<STRONG>    def _drawtab</STRONG>(self,newpage):
	tabcanvas = self.component(<FONT COLOR="#009900">'nbframe'</FONT>)
	d = self._borderwidth
	b = newpage.component(<FONT COLOR="#009900">'button'</FONT>)
	w = b.winfo_reqwidth()

	if self._tabwidth == 0: 
	    x = self._tabwidth
	    self._tabwidth = 0
	else:
	    x = self._tabwidth

	pagename = newpage.pagename

	tabcanvas.create_window(
	    x+2*d,d+1,window=b,anchor=<FONT COLOR="#009900">'nw'</FONT>,tags=pagename+<FONT COLOR="#009900">'_button'</FONT>)

	self._tabwidth = self._tabwidth + 3*d + w
	oldwidth = string.atoi(tabcanvas.cget(<FONT COLOR="#009900">'width'</FONT>))
	if oldwidth < self._tabwidth:	    
	    tabcanvas.configure(width=self._tabwidth)

	h = self._tabheight

	lightcoords   = (
	    x+d, h,
	    x+d, 3*d,
	    x+2*d-1, d,
	    x+2*d+w-1, d, 
	    x+2*d+w+-2+2*d, d+2*d
	    )
	shadowcoords = (
	    x+3*d+w, d+2*d+1,
	    x+3*d+w, h-d+1
	    )
	toplinecoords = (
	    x, h-2*d,
	    x, d+2*d-1,
	    x+2*d-1, d-1,
	    x+d+w+1, d-1,
	    x+3*d+w, d+2*d,
	    x+3*d+w, h-d+1
	    )
	lightkw = {<FONT COLOR="#009900">'fill'</FONT>: <FONT COLOR="#009900">'white'</FONT>, <FONT COLOR="#009900">'width'</FONT>: d, <FONT COLOR="#009900">'tags'</FONT>: pagename+<FONT COLOR="#009900">'_light'</FONT>}
	shadowkw = {<FONT COLOR="#009900">'fill'</FONT>: DARKGRAY, <FONT COLOR="#009900">'width'</FONT>: d, <FONT COLOR="#009900">'tags'</FONT>: pagename+<FONT COLOR="#009900">'_dark'</FONT>}
	toplinekw = {<FONT COLOR="#009900">'fill'</FONT>: DARKGRAY, <FONT COLOR="#009900">'width'</FONT>: 1,<FONT COLOR="#009900">'tags'</FONT>: pagename+<FONT COLOR="#009900">'_topline'</FONT>}

	apply( tabcanvas.create_line, lightcoords, lightkw )
	apply( tabcanvas.create_line, shadowcoords, shadowkw )
	apply( tabcanvas.create_line, toplinecoords, toplinekw )
	
	tabcanvas.lower( pagename+<FONT COLOR="#009900">'_topline'</FONT> )

	tabcanvas.create_line(
	    x+d,  h,
	    x+4*d+w, h,
	    fill=<FONT COLOR="#009900">'white'</FONT>,width=d,tags=pagename+<FONT COLOR="#009900">'_bottom'</FONT>
	    )

<STRONG>    def _drawborder</STRONG>(self):
	tabcanvas = self.component(<FONT COLOR="#009900">'nbframe'</FONT>)
	tw = string.atoi(tabcanvas.cget(<FONT COLOR="#009900">'width'</FONT>))
	th = string.atoi(tabcanvas.cget(<FONT COLOR="#009900">'height'</FONT>))
	d = self._borderwidth
	tabcanvas.delete(<FONT COLOR="#009900">'border'</FONT>)
	tabcanvas.create_line(
	    d,self._tabheight-2*d,
	    d,self._tabheight+2*self[<FONT COLOR="#009900">'ipady'</FONT>]+self._pageheight,
	    fill=<FONT COLOR="#009900">'white'</FONT>,
	    width=self._borderwidth,
	    tags=<FONT COLOR="#009900">'border borderlight'</FONT>
	    )	   
	<FONT COLOR="#DD0000">#print self._nbwidth - self._tabwidth</FONT>
	<FONT COLOR="#DD0000">#print self._nbwidth - self._pagewidth</FONT>
	tabcanvas.create_line(
	    self._tabwidth, self._tabheight,
	    self._nbwidth, self._tabheight,
	    fill=<FONT COLOR="#009900">'white'</FONT>,
	    width=self._borderwidth,
	    tags=<FONT COLOR="#009900">'border borderlight'</FONT>
	    )
	tabcanvas.create_line(
	    d, self._tabheight+2*self[<FONT COLOR="#009900">'ipady'</FONT>]+self._pageheight,
	    self._nbwidth, self._tabheight+2*self[<FONT COLOR="#009900">'ipady'</FONT>]+self._pageheight,
	    self._nbwidth, self._tabheight-d,
	    fill=DARKGRAY,
	    width=self._borderwidth,
	    tags=<FONT COLOR="#009900">'border bordershadow'</FONT>
	    )	    
		
<STRONG>    def add</STRONG>(self,pagename,**kw):
	if self._pagedict.has_key(pagename):
	    msg = "Attempt to create a second tab with name <FONT COLOR="#009900">'%s'</FONT>." % pagename
	    raise ValueError, msg
	newpage = apply( NoteBookPage, (self, pagename), kw )
	setattr(self,pagename,newpage)

	tabcanvas = self.component(<FONT COLOR="#009900">'nbframe'</FONT>)

	d = self._borderwidth
	<FONT COLOR="#DD0000"># Initialization:</FONT>
	if not self._tabheight:
	    b = newpage.component(<FONT COLOR="#009900">'button'</FONT>)
	    self._tabheight = b.winfo_reqheight() + 2*d
	    tabcanvas.configure(height=self._tabheight)
	    INITIALIZE = TRUE
	else:
	    INITIALIZE = FALSE

	self._drawtab(newpage)

	self._pages.append( (pagename,newpage) )
	self._pagedict[pagename] = newpage
	
	if INITIALIZE:
	    self.lift(pagename)
  		
<STRONG>    def _makereqsize</STRONG>(self):
	self.update_idletasks()
	tabcanvas = self.component(<FONT COLOR="#009900">'nbframe'</FONT>)
	reqw = 1
	reqh = 1
	for page in self._pagedict.values():
	    w, h = page.req_size()
	    reqw = max([reqw,w])
	    reqh = max([reqh,h])

	self._pagewidth  = reqw
	self._pageheight = reqh
	self._nbwidth = max([self._tabwidth,self._pagewidth+2*self[<FONT COLOR="#009900">'ipadx'</FONT>]])
	self._nbheight = self._tabheight + 2*self[<FONT COLOR="#009900">'ipady'</FONT>] + self._pageheight
	self._nbcenterx = self._nbwidth/2
	self._nbcentery = self._tabheight + self[<FONT COLOR="#009900">'ipady'</FONT>] + self._pageheight/2

	tabcanvas.configure( width=self._nbwidth, height=self._nbheight )

<STRONG>    def _undrawtab</STRONG>(self,delpage):
	tabcanvas = self.component(<FONT COLOR="#009900">'nbframe'</FONT>)
	d = self._borderwidth
	b = delpage.component(<FONT COLOR="#009900">'button'</FONT>)
	w = b.winfo_reqwidth()
	x = self._tabwidth
	h = self._tabheight

	pagename = delpage.pagename

	for item in self._tablineitems:
	    tabcanvas.delete(pagename+item)
	i = 0
	for name in map( lambda x: x[0], self._pages):
	    i = i+1
	    if name == pagename: break
	for name  in map( lambda x: x[0], self._pages[i:]):
	    for item in self._tablineitems:
		tabcanvas.move(name+item,-(w+4*d),0)

	if self._pagewidth < self._tabwidth:
	    tabcanvas.configure(width=self._tabwidth)

<STRONG>    def tkdelete</STRONG>(self,pagename):
	delpage = self._pagedict[pagename]

	ip = self._indexpage
	if self.raised() == pagename:
	    if self._indexpage < len(self._pages) - 1:
		self.lift( self._pages[self._indexpage + 1][0] )
	    elif self._indexpage > 0:
		self.lift( self._pages[self._indexpage - 1][0] )
	    else:
		self._indexpage = -1
		self._currentpage = None
			    
	b = delpage.component(<FONT COLOR="#009900">'button'</FONT>)
	w = b.winfo_reqwidth()
	d = self._borderwidth
	tabcanvas = self.component(<FONT COLOR="#009900">'nbframe'</FONT>)
	self._tabwidth = self._tabwidth - w - 4*d

	self._undrawtab(delpage)

	delpage.destroy()
	delattr(self,pagename)	

	del self._pagedict[pagename]
	self._pages = self._pages[:ip] + self._pages[ip+1:]
	
<STRONG>    def pagecget</STRONG>(self,pagename,option):
	return self._pagedict[pagename].cget(option)
<STRONG>    def pageconfigure</STRONG>(self,pagename,**kw):
	return apply( self._pagedict[pagename].configure, (), kw )
<STRONG>    def pages</STRONG>(self):
	return self._pagedict.keys()
<STRONG>    def lift</STRONG>(self,pagenameOrIndex):
	if type(pagenameOrIndex) == type(<FONT COLOR="#009900">''</FONT>):
	    pagename = pagenameOrIndex
	else:
	    pagename = self._pages[pagenameOrIndex][0]

	tabcanvas = self.component(<FONT COLOR="#009900">'nbframe'</FONT>)

	<FONT COLOR="#DD0000"># deal with the present top page</FONT>
	if not self._currentpage is None:
	    tabcanvas.itemconfigure( self._currentpage+<FONT COLOR="#009900">'_bottom'</FONT>, fill=<FONT COLOR="#009900">'white'</FONT>)
	    tabcanvas.lower( self._currentpage+<FONT COLOR="#009900">'_topline'</FONT> )
	    self._pagedict[self._currentpage]._lower()

	tabcanvas.itemconfigure( pagename+<FONT COLOR="#009900">'_bottom'</FONT>, fill=LIGHTGRAY )
	tabcanvas.lift( pagename+<FONT COLOR="#009900">'_topline'</FONT> )
	self._currentpage = pagename
	self._indexpage = map( lambda x: x[0], self._pages ).index(pagename)
	p = self._pagedict[pagename]

	tabcanvas.delete(<FONT COLOR="#009900">'pageframe'</FONT>)
	tabcanvas.create_window(
	    self._nbcenterx,
	    self._nbcentery,
	    window=p,
	    anchor=<FONT COLOR="#009900">'c'</FONT>,
	    tags=<FONT COLOR="#009900">'pageframe'</FONT>
	    )
    tkraise = lift
<STRONG>    def raised</STRONG>(self):
	return self._currentpage

<STRONG>    def page</STRONG>(self,pagename):
	return self._pagedict[pagename]

Pmw.forwardmethods(NoteBookR, Tkinter.Frame, <FONT COLOR="#009900">'_hull'</FONT>)
    

	        


</PRE>

 </BODY> </HTML>