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#1
March 29th, 2004, 04:47 PM
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Help with submenu
hey can someone help me make this submenu in Tkinter. I want it to be under the file menu under "New ..." and then a submenu with the templates listed. The templates are saved as .txt format in the templates folder variables Templates. Any help would be greatly appreciated.
Last edited by Phreakster001 : March 29th, 2004 at 05:04 PM.
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#2
March 29th, 2004, 06:27 PM
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A sub-menu is created just like a standard menu, using the add_cascade method. Here is simple example :
Code:
from Tkinter import *
def do_something():
print "Doing something"
root = Tk()
# create a menu
menu = Menu(root)
root.config(menu=menu)
filemenu = Menu(menu)
menu.add_cascade(label="File", menu=filemenu)
#Insert sub-menu here
submenu = Menu(menu) # create a new menu
filemenu.add_cascade(label="New ...",menu=submenu) # attach it to a parent menu
submenu.add_command(label="Text File", command=do_something)
submenu.add_command(label="Graphics File", command=do_something)
#carry on with the filemenu
filemenu.add_separator()
filemenu.add_command(label="Exit", command=do_something)
mainloop()
This was a modified version of the menu1.py example taken from an-introduction-to-Tkinter [Menus]
__________________
*** Experimental Python Markup CGI V2 ***
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#3
March 29th, 2004, 07:21 PM
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Quote:
Ok thanks but I need to get all the filenames in an array or something so I can call them like say in the templates dir i have:
Last edited by Phreakster001 : March 29th, 2004 at 07:28 PM.
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#4
March 30th, 2004, 02:05 AM
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With a little thought making programatically generated menu items is easy enough:
Code:
from Tkinter import*
#Some Templates
Templates = {"Text": "text.txt", "Blank": "blank.txt", "C++": "cplusplus.txt"}
def do_something():
print "Doing something"
def do_newfile(fname):
print "You want a new file:", fname
root = Tk()
# create a menu
menu = Menu(root)
root.config(menu = menu)
filemenu = Menu(menu)
menu.add_cascade(label = "File", menu = filemenu)
#Insert sub-menu here
submenu = Menu(menu) # create a new menu
filemenu.add_cascade(label = "New ...", menu = submenu) # attach it to a parent menu
#Pretty up the list - sort the keys first
texts = Templates.keys()
texts.sort()
#build up the menu items using eval
for text in texts:
menustr = '''submenu.add_command(label="New %s File", command=lambda : do_newfile("%s"))'''%(text, Templates[text])
eval(menustr)
#carry on with the filemenu
filemenu.add_separator()
filemenu.add_command(label = "Exit", command = do_something)
mainloop()
Personally I think using eval to make code in this way is  but I could equally have used:Code:
for text in texts:
submenu.add_command(label = "New %s File"%(text, ), command = lambda: do_newfile(Templates[text]))
If you want your program to pick up all/any templates in your template directory you will need to use glob (see the Python docs for details) to get the list of files. Where the menu text comes from is up to you - it could be the first line of each template for example or each template could have a description in a templates description file. Grim 
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#5
March 30th, 2004, 02:45 PM
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Quote:
Um thats not what I mean I want it to virtually get the pages from that directory and put it in a dictionary not manually through the code so users can add them without changes arround the source code or anything.
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#6
March 30th, 2004, 04:13 PM
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 Quote:
 Quote:
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#7
April 3rd, 2004, 10:48 PM
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Ok thats grim. I looked glob up and figured out how to do it. But well I got another problem I want my "Save" and "Save As ..." option under "File" to be disabled if no files are opened yet. How do I enable and disable them after creation?
 heres my code so far: Code:
from Tkinter import *
from ConfigParser import *
import dircache
# imports the necessary modules
parse = ConfigParser()
# creates a class for ConfigParser
parse.read("prefs.ini")
# reads the preferences file so ConfigParser can get the variables
Dir = {
"Plugins": parse.get("DIRECTORIES", "Plugins"),
"Downloads": parse.get("DIRECTORIES", "Downloads"),
"Incomplete": parse.get("DIRECTORIES", "Incomplete"),
"Default": parse.get("DIRECTORIES", "Default"),
"Skins": parse.get("DIRECTORIES", "Skins"),
"Templates": parse.get("DIRECTORIES", "Templates")
}
# saves the directories as variables to call upon later
Templates = dircache.listdir(Dir["Templates"])
# puts the templates in a list
for x in range(len(Templates)):
Templates[x] = Templates[x][0:-4]
# delete the last 4 letters of the filename which would be ".txt"
Files = {}
# make a blank file list of files opened in editor
OpenFile = None
# makes a variable to temporarily the file that needs to be opened
Root = Tk()
# creates the main (or root) widget
Root.title("Webmaster-Kit")
# changes the widgets title
MainMenu = Menu(Root)
# creates the main menu
FileMenu = Menu(MainMenu)
EditMenu = Menu(MainMenu)
ViewMenu = Menu(MainMenu)
SearchMenu = Menu(MainMenu)
FTPMenu = Menu(MainMenu)
ToolsMenu = Menu(MainMenu)
HelpMenu = Menu(MainMenu)
NewMenu = Menu(MainMenu)
ServerMenu = Menu(MainMenu)
InsertMenu = Menu(MainMenu)
CaseMenu = Menu(MainMenu)
RecentMenu = Menu(MainMenu)
FormatMenu = Menu(MainMenu)
# creates all the sub menus
Root.config(menu=MainMenu)
# sets the menu to display on the root widget
MainMenu.add_cascade(label="File", menu=FileMenu)
MainMenu.add_cascade(label="Edit", menu=EditMenu)
MainMenu.add_cascade(label="View", menu=ViewMenu)
MainMenu.add_cascade(label="Search", menu=SearchMenu)
MainMenu.add_cascade(label="FTP", menu=FTPMenu)
MainMenu.add_cascade(label="Tools", menu=ToolsMenu)
MainMenu.add_cascade(label="Help", menu=HelpMenu)
# displays the sub menus
TemplateMenu = Menu(FileMenu)
for x in range(len(Templates)):
Page = Templates[x],"page"
TemplateMenu.add_command(label=Page, command=OpenFile)
FileMenu.add_cascade(label="New", menu=TemplateMenu)
FileMenu.add_command(label="Open ..", command=TemplateMenu)
FileMenu.add_command(label="Save", command=TemplateMenu)
FileMenu.add_command(label="Save As ..", command=TemplateMenu)
Root.mainloop()
# stats the continuous loop that displays everything
lol I feel like such a newb  Last edited by Phreakster001 : April 3rd, 2004 at 10:51 PM.
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#8
April 4th, 2004, 03:09 AM
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One of the optional parameters in Menu creation is the postcommand which allows you to specify a function that is called prior to the menu being displayed.
The following checks the state of a global variable and sets the state of your menu items accordingly. For the demo I just alternate this value each time the menu is displayed. Code:
savemyfile = 'normal'
def update():
global savemyfile
#The 'save' and 'save as' menu entries are at index 3 and 4
# because your menu includes the tearoff dotted line
FileMenu.entryconfig(3, state = savemyfile)
FileMenu.entryconfig(4, state = savemyfile)
#As an example the following just toggles the menu state
if savemyfile == 'normal':
savemyfile = 'disabled'
else:
savemyfile = 'normal'
FileMenu = Menu(MainMenu, postcommand = update)
I recommend you do read The Tkinter Manual
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