File: PyDemos2.pyw

##############################################################################
# PyDemos2.pyw
# Programming Python, 2nd Edition (PP2E), 1999--2001
# Version 2.0, 03/01: add source-code file viewer buttons.
#
# Launch major Python+Tk GUI examples from the book, in a 
# platform-neutral way.  This file also serves as an index
# to major program examples, though many book examples aren't
# GUI-based, and so aren't listed here (e.g., see the Linux 
# gcc build scripts in the examples root directory for C 
# integration program pointers).  Also see: 
#
# - PyGadgets.py, a simpler script for starting programs in 
#   non-demo mode that you wish to use on a regular basis 
# - PyGadgets_bar.pyw, which creates a button bar for starting 
#   all PyGadgets programs on demand, not all at once 
# - Launcher.py for starting programs without environment 
#   settings--finds Python, sets PYTHONPATH, etc.
# - Launch_*.py for starting PyDemos and PyGadgets with 
#   Launcher.py--run these for a quick look
# - LaunchBrowser.py for running example web pages with an
#   automatically-located web browser
# - README-PP2E.txt, for general examples information
#
# Internet-based demos live here:
#     http://starship.python.net/~lutz/PyInternetDemos.html
# but this program tries to start a browser on the main web pages
# automatically, either on the site above or on local page files.
# Additional program comments were moved to file PyDemos.doc.txt
##############################################################################

import sys, time, os, launchmodes
from Tkinter import *

# -live loads root pages off net, -file loads local files
InternetMode = '-file' 

##################################
# start building main gui windows
##################################

Root = Tk()
Root.title('PP2E Demos 2.0')

# build message window
Stat = Toplevel()
Stat.protocol('WM_DELETE_WINDOW', lambda:0)    # ignore wm delete
Stat.title('PP2E demo info')

Info = Label(Stat, text = 'Select demo',
             font=('courier', 20, 'italic'), padx=12, pady=12, bg='lightblue')
Info.pack(expand=YES, fill=BOTH)

#############################################
# add launcher buttons with callback objects
#############################################

from PP2E.Gui.TextEditor.textEditor import TextEditorMainPopup

# demo launcher class
class Launcher(launchmodes.PortableLauncher):    # use wrapped launcher class
    def announce(self, text):                    # customize to set GUI label
        Info.config(text=text)

def viewer(sources):
    for filename in sources:
        TextEditorMainPopup(Root, filename)      # as popup in this process

def demoButton(name, what, doit, code):
    rowfrm = Frame(Root)
    rowfrm.pack(side=TOP, expand=YES, fill=BOTH)

    b = Button(rowfrm, bg='navy', fg='white', relief=RIDGE, border=4)
    b.config(text=name, width=20, command=Launcher(what, doit))
    b.pack(side=LEFT, expand=YES, fill=BOTH)

    b = Button(rowfrm, bg='beige', fg='navy')
    b.config(text='code', command=(lambda code=code: viewer(code)))
    b.pack(side=LEFT, fill=BOTH)

demoButton(name='PyEdit',        
           what='Text file editor',                            # edit myself
           doit='Gui/TextEditor/textEditor.pyw PyDemos2.pyw',  # assume in cwd
           code=['Gui/TextEditor/textEditor.py'])              # source viewer

demoButton(name='PyView',        
           what='Image slideshow, plus note editor',
           doit='Gui/SlideShow/slideShowPlus.py Gui/gifs',
           code=['Gui/SlideShow/slideShowPlus.py',
                 'Gui/SlideShow/slideShow.py'])

demoButton(name='PyDraw',                    
           what='Draw and move graphics objects', 
           doit='Gui/MovingPics/movingpics.py Gui/gifs',
           code=['Gui/MovingPics/movingpics.py']) 

demoButton(name='PyTree',                              
           what='Tree data structure viewer',
           doit='Dstruct/TreeView/treeview.py',
           code=['Dstruct/TreeView/treeview.py',
                 'Dstruct/TreeView/treeview_wrappers.py',
                 'Dstruct/Classics/btree.py',
                 'Lang/Parser/parser2.py'])

demoButton(name='PyClock',                             
           what='Analog/digital clocks',
           doit='Gui/Clock/clockStyles.py Gui/gifs',
           code=['Gui/Clock/clockStyles.py',
                 'Gui/Clock/clock.py'])   

demoButton(name='PyToe',     
           what='Tic-tac-toe game (AI)',
           doit='Ai/TicTacToe/tictactoe.py',
           code=['Ai/TicTacToe/tictactoe.py',
                 'Ai/TicTacToe/tictactoe_lists.py'])

demoButton(name='PyForm',                              # view in-memory dict
           what='Persistent table viewer/editor',      # or cwd shelve of class
           doit='Dbase/TableBrowser/formgui.py',       # 0=do not reinit shelve
          #doit='Dbase/TableBrowser/formtable.py  shelve 0 pyformData-1.5.2', 
          #doit='Dbase/TableBrowser/formtable.py  shelve 1 pyformData',
           code=['Dbase/TableBrowser/formgui.py',
                 'Dbase/TableBrowser/formtable.py'])

demoButton(name='PyCalc',    
           what='Calculator, plus extensions',
           doit='Lang/Calculator/calculator_plusplus.py',
           code=['Lang/Calculator/calculator_plusplus.py',
                 'Lang/Calculator/calculator_plus_ext.py',
                 'Lang/Calculator/calculator_plus_emb.py',
                 'Lang/Calculator/calculator.py'])

demoButton(name='PyMail',  
           what='Python+Tk pop/smtp email client',
           doit='Internet/Email/PyMailGui.py',
           code=['Internet/Email/PyMailGui.py',
                 'Internet/Email/pymail.py',
                 'Internet/Email/mailconfig.py'])

demoButton(name='PyFtp',  
           what='Python+Tk ftp clients',
           doit='Internet/Ftp/PyFtpGui.pyw',
           code=['Internet/Ftp/PyFtpGui.pyw',
                 'Internet/Ftp/getfilegui.py',
                 'Internet/Ftp/putfilegui.py',
                 'Internet/Ftp/getfile.py',
                 'Internet/Ftp/putfile.py',
                 'Internet/Sockets/form.py'])

if InternetMode == '-file':
    pagepath = os.getcwd() + '/Internet/Cgi-Web'
    demoButton('PyErrata',  
               'Internet-based errata report system',
               'LaunchBrowser.py -file %s/PyErrata/pyerrata.html' % pagepath,
               ['Internet/Cgi-Web/PyErrata/pyerrata.html'])

    demoButton('PyMailCgi',  
               'Browser-based pop/smtp email interface',
               'LaunchBrowser.py -file %s/PyMailCgi/pymailcgi.html' % pagepath,
               ['Internet/Cgi-Web/PyMailCgi/pymailcgi.html'])

    demoButton('PyInternet',
               'Internet-based demo launcher page',
               'LaunchBrowser.py -file %s/PyInternetDemos.html' % pagepath,
               ['Internet/Cgi-Web/PyInternetDemos.html'])
else:
    site = 'starship.python.net/~lutz'
    demoButton('PyErrata',  
               'Internet-based errata report system',
               'LaunchBrowser.py -live PyErrata/pyerrata.html ' + site,
               ['Internet/Cgi-Web/PyErrata/pyerrata.html'])

    demoButton('PyMailCgi',  
               'Browser-based pop/smtp email interface',
               'LaunchBrowser.py -live PyMailCgi/pymailcgi.html ' + site,
               ['Internet/Cgi-Web/PyMailCgi/pymailcgi.html'])

    demoButton('PyInternet',
               'Main Internet demos launcher page',
               'LaunchBrowser.py -live PyInternetDemos.html ' + site,
               ['Internet/Cgi-Web/PyInternetDemos.html'])

#To try: bind mouse entry events to change info text when over a button
#See also: site http://starship.python.net/~lutz/PyInternetDemos.html

#############################################
# toggle info message box font once a second
#############################################

def refreshMe(info, ncall):
    slant = ['normal', 'italic', 'bold', 'bold italic'][ncall % 4]
    info.config(font=('courier', 20, slant))
    Root.after(1000, (lambda info=info, ncall=ncall: refreshMe(info, ncall+1)) )

########################################
# unhide/hide status box on info clicks
########################################

Stat.iconify()
def onInfo():
    if Stat.state() == 'iconic':
        Stat.deiconify()
    else:
        Stat.iconify()  # was 'normal'

############################################
# popup a few web link buttons if connected
############################################

radiovar = StringVar() # use a global

def onLinks():
    popup = Toplevel()
    popup.title('PP2E web site links')
    links = [("Book",     'LaunchBrowser.py -live about-pp.html rmi.net/~lutz'),
             ("Python",   'LaunchBrowser.py -live index.html www.python.org'),
             ("O'Reilly", 'LaunchBrowser.py -live index.html www.oreilly.com'),
             ("Author",   'LaunchBrowser.py -live index.html rmi.net/~lutz')]

    for (name, command) in links:
        callback = Launcher((name + "'s web site"), command)
        link = Radiobutton(popup, text=name, command=callback)
        link.config(relief=GROOVE, variable=radiovar, value=name)
        link.pack(side=LEFT, expand=YES, fill=BOTH)
    Button(popup, text='Quit', command=popup.destroy).pack(expand=YES,fill=BOTH)

    if InternetMode != '-live':
        from tkMessageBox import showwarning
        showwarning('PP2E Demos', 'Web links require an Internet connection')

#############################################
# finish building main gui, start event loop
#############################################

Button(Root, text='Info',  command=onInfo).pack(side=TOP, fill=X)
Button(Root, text='Links', command=onLinks).pack(side=TOP, fill=X)
Button(Root, text='Quit',  command=Root.quit).pack(side=BOTTOM, fill=X)
refreshMe(Info, 0)  # start toggling
Root.mainloop()



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