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<!DOCTYPE HTML PUBLIC "-//Netscape_Microsoft//DTD HTML 3.0//EN">
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        <TITLE>PmwNoteBookS.py</TITLE>
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<PRE>
<FONT COLOR="#DD0000">#######################################################################</FONT>
<FONT COLOR="#DD0000">#  File:  PmwNoteBook.py</FONT>
<FONT COLOR="#DD0000">#  Author: Joseph A. Saltiel - jsaltiel@lucent.com</FONT>
<FONT COLOR="#DD0000">#  References:  Pmw.0.4</FONT>
<FONT COLOR="#DD0000">#  Modules:  Tkinter, Pmw, string</FONT>
<FONT COLOR="#DD0000">#  PmwNoteBook -  This is a NoteBook Mega Widget made for Python.</FONT>
<FONT COLOR="#DD0000">#               It is based on the framework and essentially is</FONT>
<FONT COLOR="#DD0000">#               an extension of PMW (Python Mega Widgets).  It </FONT>
<FONT COLOR="#DD0000">#               allows the user to create a notebook, add and del</FONT>
<FONT COLOR="#DD0000">#               pages.  A page is a frame and the user can grab </FONT>
<FONT COLOR="#DD0000">#               and put additional widgets on to it.</FONT>
<FONT COLOR="#DD0000">#</FONT>
<FONT COLOR="#DD0000">#  Copyright (C) 1997 by Lucent Technologies, Inc. &amp; Joseph Saltiel</FONT>
<FONT COLOR="#DD0000">#</FONT>
<FONT COLOR="#DD0000">#  This program is free software; you can redistribute it and/or modify</FONT>
<FONT COLOR="#DD0000">#  it under the terms of the GNU General Public License as published by</FONT>
<FONT COLOR="#DD0000">#  the Free Software Foundation; either version 2 of the License, or</FONT>
<FONT COLOR="#DD0000">#  (at your option) any later version.</FONT>
<FONT COLOR="#DD0000">#</FONT>
<FONT COLOR="#DD0000">#  This program is distributed in the hope that it will be useful,</FONT>
<FONT COLOR="#DD0000">#  but WITHOUT ANY WARRANTY; without even the implied warranty of</FONT>
<FONT COLOR="#DD0000">#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</FONT>
<FONT COLOR="#DD0000">#  GNU General Public License for more details.</FONT>
<FONT COLOR="#DD0000">#</FONT>
<FONT COLOR="#DD0000">#  You should have received a copy of the GNU General Public License</FONT>
<FONT COLOR="#DD0000">#  along with this program; if not, write to the Free Software</FONT>
<FONT COLOR="#DD0000">#  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.</FONT>
<FONT COLOR="#DD0000"># </FONT>
<FONT COLOR="#DD0000">#######################################################################</FONT>

import Tkinter
import Pmw
import string

<FONT COLOR="#DD0000">##################################################################</FONT>
<FONT COLOR="#DD0000"># Class:  NoteBook</FONT>
<FONT COLOR="#DD0000"># Description:  This defines the notebook widget.  This includes </FONT>
<FONT COLOR="#DD0000">#               its subcomponents and attributes.</FONT>
<FONT COLOR="#DD0000">##################################################################</FONT>
<STRONG><FONT COLOR="#CC6600">class NoteBookS</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">'tabColor'</FONT>, <FONT COLOR="#009900">'blue'</FONT>, None),
	    (<FONT COLOR="#009900">'canvasColor'</FONT>, <FONT COLOR="#009900">'white'</FONT>, None),
	    (<FONT COLOR="#009900">'activeColor'</FONT>, <FONT COLOR="#009900">'red'</FONT>, None),
	    (<FONT COLOR="#009900">'deactiveColor'</FONT>, <FONT COLOR="#009900">'grey'</FONT>, None),
	    (<FONT COLOR="#009900">'shadeColor'</FONT>, <FONT COLOR="#009900">'#666666'</FONT>, None),
	    (<FONT COLOR="#009900">'textColor'</FONT>, <FONT COLOR="#009900">'black'</FONT>, None),
	    (<FONT COLOR="#009900">'textFont'</FONT>, <FONT COLOR="#009900">'-*-helvetica-bold-r-normal--10-*-*-*-*-*'</FONT>, self._setFontLength),
	    (<FONT COLOR="#009900">'longX'</FONT>, 30, INITOPT),
	    (<FONT COLOR="#009900">'shortX'</FONT>, 7, INITOPT),
	    (<FONT COLOR="#009900">'longY'</FONT>, 35, INITOPT),
	    (<FONT COLOR="#009900">'shortY'</FONT>, 7, INITOPT),
	    (<FONT COLOR="#009900">'offsetY'</FONT>, 5, INITOPT),
	    (<FONT COLOR="#009900">'canvasHeight'</FONT>, 250, self._adjustHeight),
	    (<FONT COLOR="#009900">'canvasWidth'</FONT>, 400, self._adjustWidth),
	    (<FONT COLOR="#009900">'tabHeight'</FONT>, 40, 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 = self.interior()

	<FONT COLOR="#DD0000"># Create the canvas widget.</FONT>
	self._mainCanvas = self.createcomponent(<FONT COLOR="#009900">'mainCanvas'</FONT>,
		(), None,
		Tkinter.Canvas, (interior,),
		bg=self[<FONT COLOR="#009900">'canvasColor'</FONT>], height=self[<FONT COLOR="#009900">'canvasHeight'</FONT>],
		width=self[<FONT COLOR="#009900">'canvasWidth'</FONT>], highlightthickness=0,
		bd=2, relief=<FONT COLOR="#009900">'raised'</FONT>)
	self._mainCanvas.grid(sticky = <FONT COLOR="#009900">'news'</FONT>, ipadx=2, ipady=2)

	<FONT COLOR="#DD0000"># Create the tab canvas widget.</FONT>
	self._tabCanvas = self.createcomponent(<FONT COLOR="#009900">'tabCanvas'</FONT>,
		(), None,
		Tkinter.Canvas, (self._mainCanvas,),
		bg=self[<FONT COLOR="#009900">'tabColor'</FONT>], height=self[<FONT COLOR="#009900">'tabHeight'</FONT>],
		highlightthickness=0)
	self._tabCanvas.grid(row=0, column=0, sticky = <FONT COLOR="#009900">'news'</FONT>)

	<FONT COLOR="#DD0000"># Create the container canvas widget.</FONT>
	self._containerCanvas = self.createcomponent(<FONT COLOR="#009900">'containerCanvas'</FONT>,
		(), None,
		Tkinter.Canvas, (self._mainCanvas,),
		bg=self[<FONT COLOR="#009900">'activeColor'</FONT>], highlightthickness=0, 
	        height=self[<FONT COLOR="#009900">'canvasHeight'</FONT>] - self[<FONT COLOR="#009900">'offsetY'</FONT>] - self[<FONT COLOR="#009900">'longY'</FONT>],
	        width=self[<FONT COLOR="#009900">'canvasWidth'</FONT>])
	self._containerCanvas.grid(row=1, column=0, sticky=<FONT COLOR="#009900">'news'</FONT>)

	<FONT COLOR="#DD0000"># Initialise instance variables.</FONT>
	self._tabOrder = []
	self._pages = {}
	self._containers = {}
	self._tabNames = {}
	self._shade = {}
	self._activePage = None
	self._numofPages = 0
	self._fontLength = 10
	self._offsetX = 10
	self._lineBorder = self._tabCanvas.create_line(0, self[<FONT COLOR="#009900">'tabHeight'</FONT>]-1, self._tabCanvas.winfo_reqwidth(), self[<FONT COLOR="#009900">'tabHeight'</FONT>]-1, fill=self[<FONT COLOR="#009900">'shadeColor'</FONT>])
	self._mutex = 1

	<FONT COLOR="#DD0000"># Check keywords and initialise options.</FONT>
	self.initialiseoptions(NoteBookS)


<FONT COLOR="#DD0000">#**********************************************************************</FONT>

<FONT COLOR="#DD0000">#          CONFIGURATION METHODS </FONT>

<FONT COLOR="#DD0000">#**********************************************************************</FONT>


<FONT COLOR="#DD0000">##################################################################</FONT>
<FONT COLOR="#DD0000"># Method: _setFontLength</FONT>
<FONT COLOR="#DD0000"># Description: This sets the font length.  The font length is based</FONT>
<FONT COLOR="#DD0000">#              on the font type used.  This determines how many</FONT>
<FONT COLOR="#DD0000">#              characters may fit on a tab.</FONT>
<FONT COLOR="#DD0000">##################################################################</FONT>
<STRONG>    def _setFontLength</STRONG>(self):
	try:
	    length = string.atoi(string.splitfields(self[<FONT COLOR="#009900">'textFont'</FONT>], <FONT COLOR="#009900">'-'</FONT>)[7])
	    self._fontLength = length
	except:
	    message = <FONT COLOR="#009900">'Invalid Font specified. The 8th field, point size, must be specified'</FONT>
	    raise ValueError, message

<FONT COLOR="#DD0000">##################################################################</FONT>
<FONT COLOR="#DD0000"># Method: _tabSelect</FONT>
<FONT COLOR="#DD0000"># Description: When a tab is selected, we raise it and lower the </FONT>
<FONT COLOR="#DD0000">#              the other tabs.</FONT>
<FONT COLOR="#DD0000">##################################################################</FONT>
<STRONG>    def _tabSelect</STRONG>(self, event=None):
	if self._mutex:
	    for item in self._containers.keys():
		self._containers[item].grid_forget()
	    for item in self._pages.keys():
		if ((event==None) and (self._activePage != item)) or ((event) and (event.widget.gettags(self._pages[item])) == () and (event.widget.gettags(self._tabNames[item])) == ()):
		    self._tabCanvas.itemconfigure(self._pages[item], fill=self[<FONT COLOR="#009900">'deactiveColor'</FONT>], outline=self[<FONT COLOR="#009900">'deactiveColor'</FONT>])
		    self._tabCanvas.lower(self._pages[item])
		else:
		    self.raisePage(item, select=None)

<FONT COLOR="#DD0000">##################################################################</FONT>
<FONT COLOR="#DD0000"># Method: _adjustHeight</FONT>
<FONT COLOR="#DD0000"># Description: When the user changes the notebook height, we must make</FONT>
<FONT COLOR="#DD0000">#              sure that information gets propageted to the proper components.</FONT>
<FONT COLOR="#DD0000">##################################################################</FONT>
<STRONG>    def _adjustHeight</STRONG>(self):
	frameHeight = self[<FONT COLOR="#009900">'canvasHeight'</FONT>] - self[<FONT COLOR="#009900">'offsetY'</FONT>] - self[<FONT COLOR="#009900">'longY'</FONT>]
	self._mainCanvas.configure(height=self[<FONT COLOR="#009900">'canvasHeight'</FONT>])
	self._mainCanvas.grid_rowconfigure(1, minsize=frameHeight)
	self._containerCanvas.grid_rowconfigure(0, minsize=frameHeight)

<FONT COLOR="#DD0000">##################################################################</FONT>
<FONT COLOR="#DD0000"># Method: _adjustWidth</FONT>
<FONT COLOR="#DD0000"># Description: When the user changes the notebook width, we must make</FONT>
<FONT COLOR="#DD0000">#              sure that information gets propageted to the proper components.</FONT>
<FONT COLOR="#DD0000">##################################################################</FONT>
<STRONG>    def _adjustWidth</STRONG>(self):
	self._mainCanvas.configure(width=self[<FONT COLOR="#009900">'canvasWidth'</FONT>])
	self._containerCanvas.grid_columnconfigure(0, minsize=self[<FONT COLOR="#009900">'canvasWidth'</FONT>])

<FONT COLOR="#DD0000">#**********************************************************************</FONT>

<FONT COLOR="#DD0000">#          PRIVATE METHODS </FONT>

<FONT COLOR="#DD0000">#**********************************************************************</FONT>

<FONT COLOR="#DD0000">##################################################################</FONT>
<FONT COLOR="#DD0000"># Method: _getOffset</FONT>
<FONT COLOR="#DD0000"># Description: This determines where to draw a tab name on the tab</FONT>
<FONT COLOR="#DD0000">##################################################################</FONT>
<STRONG>    def _getOffset</STRONG>(self, name):
	length = len(name)
	if length > (self[<FONT COLOR="#009900">'longX'</FONT>] / self._fontLength):
	    width = length * self._fontLength
	else:
	    width = self[<FONT COLOR="#009900">'longX'</FONT>]
	coords = (self._offsetX, self[<FONT COLOR="#009900">'longY'</FONT>]+self[<FONT COLOR="#009900">'offsetY'</FONT>], self._offsetX, self[<FONT COLOR="#009900">'shortY'</FONT>]+self[<FONT COLOR="#009900">'offsetY'</FONT>], self[<FONT COLOR="#009900">'shortX'</FONT>] + self._offsetX, self[<FONT COLOR="#009900">'offsetY'</FONT>], width + self._offsetX - self[<FONT COLOR="#009900">'shortX'</FONT>], self[<FONT COLOR="#009900">'offsetY'</FONT>], width+self._offsetX, self[<FONT COLOR="#009900">'shortY'</FONT>]+self[<FONT COLOR="#009900">'offsetY'</FONT>], self._offsetX+width, self[<FONT COLOR="#009900">'offsetY'</FONT>]+self[<FONT COLOR="#009900">'longY'</FONT>])
	startX = self._offsetX+width/2
	startY = self[<FONT COLOR="#009900">'offsetY'</FONT>]+self[<FONT COLOR="#009900">'longY'</FONT>]/2
	self._offsetX = self._offsetX+width+4
	return coords, startX, startY

<FONT COLOR="#DD0000">##################################################################</FONT>
<FONT COLOR="#DD0000"># Method: _drawTab</FONT>
<FONT COLOR="#DD0000"># Description: This draws the tab on the tab Canvas</FONT>
<FONT COLOR="#DD0000">##################################################################</FONT>
<STRONG>    def _drawTab</STRONG>(self, name):
	self._tabSelect()
	coords, startX, startY = self._getOffset(name)
	node = self._tabCanvas.create_polygon(coords, fill=self[<FONT COLOR="#009900">'activeColor'</FONT>], outline=self[<FONT COLOR="#009900">'shadeColor'</FONT>])
	pageText = self._tabCanvas.create_text(startX, startY, text=name, fill=self[<FONT COLOR="#009900">'textColor'</FONT>], font=self[<FONT COLOR="#009900">'textFont'</FONT>])
	self._lineBorder = self._tabCanvas.create_line(0, self[<FONT COLOR="#009900">'tabHeight'</FONT>]-1, self._tabCanvas.winfo_width(), self[<FONT COLOR="#009900">'tabHeight'</FONT>]-1, fill=self[<FONT COLOR="#009900">'shadeColor'</FONT>])
	self._tabCanvas.tag_bind(pageText, "<ButtonPress-1>", self._tabSelect)
	self._tabCanvas.tag_bind(node, "<ButtonPress-1>", self._tabSelect)
	self._pages[name] = node
	self._tabNames[name] = pageText 


<FONT COLOR="#DD0000">#**********************************************************************</FONT>

<FONT COLOR="#DD0000">#          PUBLIC METHODS</FONT>

<FONT COLOR="#DD0000">#**********************************************************************</FONT>


<FONT COLOR="#DD0000">##################################################################</FONT>
<FONT COLOR="#DD0000"># Method: addPage</FONT>
<FONT COLOR="#DD0000"># Description: The user calls this to add a page/tab</FONT>
<FONT COLOR="#DD0000">##################################################################</FONT>
<STRONG>    def addPage</STRONG>(self, name):
	if self._tabNames.has_key(name):
	    message = <FONT COLOR="#009900">'Tab name already exists'</FONT>
	    raise NameError, message
	self._activePage = name
	self._drawTab(name)
	frame = Tkinter.Frame(self._containerCanvas, bg=self[<FONT COLOR="#009900">'activeColor'</FONT>],
	        height=self[<FONT COLOR="#009900">'canvasHeight'</FONT>] - self[<FONT COLOR="#009900">'offsetY'</FONT>] - self[<FONT COLOR="#009900">'longY'</FONT>])
	frame.grid(row=0, column=0, sticky=<FONT COLOR="#009900">'news'</FONT>)
	self._numofPages = self._numofPages + 1
	self._tabOrder.append(name)
	self._containers[name] = frame

<FONT COLOR="#DD0000">##################################################################</FONT>
<FONT COLOR="#DD0000"># Method: delPage</FONT>
<FONT COLOR="#DD0000"># Description: The user calls this to delete a page/tab</FONT>
<FONT COLOR="#DD0000">##################################################################</FONT>
<STRONG>    def delPage</STRONG> (self, name):
	if not(self._tabNames.has_key(name)):
	    message = <FONT COLOR="#009900">'That tab name does not exist'</FONT>
	    raise KeyError, message
	for item in self._tabOrder:
	    self._tabCanvas.delete(self._pages[item], self._tabNames[item])
	    self._tabCanvas.dtag(self._pages[item], self._tabNames[item])
	self._tabOrder.remove(name)
	self._containers[name].destroy()
	del self._pages[name]
	del self._tabNames[name]
	del self._containers[name]
	self._numofPages = self._numofPages - 1
	self._offsetX = 10
	for each in self._tabOrder:
	    self._drawTab(each)
	if self._numofPages > 0:
	    self.raisePage(each)

<FONT COLOR="#DD0000">##################################################################</FONT>
<FONT COLOR="#DD0000"># Method: getPage</FONT>
<FONT COLOR="#DD0000"># Description: Given a name, returns that frame(page) to the user</FONT>
<FONT COLOR="#DD0000">##################################################################</FONT>
<STRONG>    def getPage</STRONG>(self, name):
	if self._containers.has_key(name):
	    return self._containers[name]
	else:
	    message = <FONT COLOR="#009900">'That page does not exist'</FONT>
	    raise KeyError, message
    
<FONT COLOR="#DD0000">##################################################################</FONT>
<FONT COLOR="#DD0000"># Method: pages</FONT>
<FONT COLOR="#DD0000"># Description: Returns a list of frames(pages) on the current notebook</FONT>
<FONT COLOR="#DD0000">##################################################################</FONT>
<STRONG>    def pages</STRONG>(self):
	lst = []
	for item in self._containers.keys():
	    lst.append(self._containers[item])
	return lst

<FONT COLOR="#DD0000">##################################################################</FONT>
<FONT COLOR="#DD0000"># Method: raisePage</FONT>
<FONT COLOR="#DD0000"># Description: Raises the given tab name</FONT>
<FONT COLOR="#DD0000">##################################################################</FONT>
<STRONG>    def raisePage</STRONG>(self, name, select=1):
	if select:
	    if not(self._pages.has_key(name)):
		message = <FONT COLOR="#009900">'That page does not exist'</FONT>
		raise KeyError, message
	    self._tabSelect()
	self._activePage = name
	self._containers[name].grid(row=0, column=0, sticky=<FONT COLOR="#009900">'news'</FONT>)
	self._tabCanvas.itemconfigure(self._pages[name], fill=self[<FONT COLOR="#009900">'activeColor'</FONT>], outline=self[<FONT COLOR="#009900">'shadeColor'</FONT>])
	self._tabCanvas.lift(self._pages[name])
	self._tabCanvas.lift(self._tabNames[name])	

<FONT COLOR="#DD0000">##################################################################</FONT>
<FONT COLOR="#DD0000"># Method: raised</FONT>
<FONT COLOR="#DD0000"># Description: Returns the name of the currently raised tab</FONT>
<FONT COLOR="#DD0000">##################################################################</FONT>
<STRONG>    def raised</STRONG>(self):
	return self._activePage

<FONT COLOR="#DD0000">##################################################################</FONT>
<FONT COLOR="#DD0000"># Method: pageNames</FONT>
<FONT COLOR="#DD0000"># Description: Returns a list of the all the page names</FONT>
<FONT COLOR="#DD0000">##################################################################</FONT>
<STRONG>    def pageNames</STRONG>(self):
	return self._pages.keys()

<FONT COLOR="#DD0000">##################################################################</FONT>
<FONT COLOR="#DD0000"># Method: unBind</FONT>
<FONT COLOR="#DD0000"># Description: Unbind the notebooks bindings</FONT>
<FONT COLOR="#DD0000">##################################################################</FONT>
<STRONG>    def unBind</STRONG>(self):
	self._mutex = 0

<FONT COLOR="#DD0000">##################################################################</FONT>
<FONT COLOR="#DD0000"># Method: reBind</FONT>
<FONT COLOR="#DD0000"># Description: Re bind the notebooks bindings</FONT>
<FONT COLOR="#DD0000">##################################################################</FONT>
<STRONG>    def reBind</STRONG>(self):
	self._mutex = 1

</PRE>

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