src/coconf/cotk.py

   1 #   Copyright (C) 2002, Peter Roozemaal.
   2 #
   3 # GnuCoMo/CoConf is free software; you may redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 2, or (at your option)
   6 # any later version.  See the file COPYING.
   7
   8 # TODO: error handling
   9
  10 import string
  11 import Tkinter
  12 import tkFileDialog
  13 import tkMessageBox
  14 import coxmlfile
  15 import cotkwidget
  16 import textbase
  17 import tkFont
  18 from textbase import txt
  19
  20 _id = "$Id: cotk.py,v 1.1 2002-11-19 19:21:18 arjen Exp $"
  21
  22 version = "0.0.1 $Date: 2002-11-19 19:21:18 $"
  23
  24 copy = "Copyright (C) 2002, Peter Roozemaal"
  25
  26 licence = txt("lice", "CoConf is free software; you may distribute it under the terms of the GNU General Public License")
  27
  28 ids = ( "CoConf Version "+version, "", copy, licence, "",
  29         _id, cotkwidget._id, coxmlfile._id, textbase._id )
  30
  31 def is_a_form(dom):
  32     return dom.documentElement.tagName == "form"
  33
  34 # toplevel window
  35 class Main(Tkinter.Frame):
  36     # TODO: translation
  37     filetypes_forms = (
  38         ( "Cocola forms", ".ccf" ),
  39         ( "All files", ".*" )
  40     )
  41     filetypes_load = (
  42         ( "Coconf files", ".ccs" ),
  43         ( "Coconf files", ".ccx" ),
  44         ( "Coconf files", ".gcm" ),
  45         ( "Coconf save files", ".ccs" ),
  46         ( "Coconf export files", ".ccx" ),
  47         ( "Gnucomo configuration files", ".gcm" ),
  48         ( "All files", ".*" )
  49     )
  50     filetypes_save = (
  51         ( "Coconf save files", ".ccs" ),
  52         ( "All files", ".*" )
  53     )
  54     filetypes_exp = (
  55         ( "Coconf export files", ".ccx" ),
  56         ( "Gnucomo configuration files", ".gcm" ),
  57         ( "All files", ".*" )
  58     )
  59     def __init__(self, master=None):
  60         Tkinter.Frame.__init__(self, master)
  61         # The following command is important for security; it disables
  62         # remote control and spying via the send command.
  63         try:
  64             self.tk.call(("rename", "send", ""))
  65         except Tkinter.TclError:
  66             pass
  67         self.pack(expand=1, fill="both")
  68         self.master.title(txt("ctitle", "Coconf configuration editor"))
  69         self.menubar = MenuBar(self)
  70         self.menubar.pack(side="top", fill="x")
  71         self.status = StatusBar(self)
  72         self.status.pack(side="bottom", fill="x")
  73         self.main = MainFrame(self)
  74         self.main.pack(side="top", fill="both", expand=1)
  75         self.filename = ""
  76         self.formname = ""
  77     def load(self, file):
  78         dom = coxmlfile.load_from_file(file)
  79         if is_a_form(dom):
  80             self.main.new_form(dom)
  81             self.status.set_formname(file)
  82             self.formname = file
  83             self.menubar.helpmenu.entryconfigure(2, state="normal")
  84         # TODO: process datafiles
  85         dom.unlink()
  86     def save(self, file, export):
  87         document = coxmlfile.Document()
  88         self.main.value_dom(document, export)
  89         if not export:
  90             document.documentElement.setAttribute("formfile", self.formname)
  91         f = open(file, "w")
  92         document.writexml(f)
  93         f.close()
  94         document.unlink()
  95     def load_form(self):
  96         filename = tkFileDialog.askopenfilename(filetypes=self.filetypes_forms)
  97         if filename:
  98             self.load(filename)
  99     def load_file(self):
 100         filename = tkFileDialog.askopenfilename(filetypes=self.filetypes_load)
 101         if filename:
 102             self.load(filename)
 103     def save_file(self):
 104         if self.filename:
 105             self.save(self.filename, 0)
 106         else:
 107             self.save_as()
 108     def save_copy(self):
 109         filename = tkFileDialog.asksaveasfilename(filetypes=self.filetypes_save,
 110                                                    defaultextension=".ccs")
 111         if filename:
 112             self.save(filename, 0)
 113     def save_as(self):
 114         filename = tkFileDialog.asksaveasfilename(filetypes=self.filetypes_save,
 115                                                    defaultextension=".ccs")
 116         if filename:
 117             self.save(filename, 0)
 118             self.filename = filename
 119     def export(self):
 120         filename = tkFileDialog.asksaveasfilename(filetypes=self.filetypes_exp,
 121                                                    defaultextension=".ccx")
 122         if filename:
 123             self.save(filename, 1)
 124     def formhelp(self):
 125         self.main.form.provide_help()
 126     def about(self):
 127         cotkwidget.HelpWin("About CoConf", string.join(ids, '\n'))
 128     def help(self):
 129         tkMessageBox.showerror(title=txt("sorry", "Sorry"),
 130                                message=txt("findhelp", "Can't find helpfile."))
 131
 132 # menu bar
 133 class MenuBar(Tkinter.Frame):
 134     def __init__(self, master):
 135         Tkinter.Frame.__init__(self, master, relief="raised", borderwidth=2)
 136
 137         self.file = Tkinter.Menubutton(self, text=txt("mfile", "File"))
 138         self.file.pack(side="left")
 139         self.filemenu = Tkinter.Menu(self.file)
 140         self.filemenu.add_command(label=txt("mform", "Form..."),
 141                                    command=master.load_form)
 142         self.filemenu.add_command(label=txt("mopen", "Open..."),
 143                                    command=master.load_file)
 144         self.filemenu.add_command(label=txt("msave", "Save"),
 145                                    command=master.save_file)
 146         self.filemenu.add_command(label=txt("msaveas", "Save as..."),
 147                                    command=master.save_as)
 148         self.filemenu.add_command(label=txt("msavecopy", "Save copy..."),
 149                                    command=master.save_as)
 150         self.filemenu.add_command(label=txt("mexport", "Export..."),
 151                                    command=master.export)
 152         self.filemenu.add_command(label=txt("mquit", "Quit"),
 153                                    command=master.quit)
 154         self.file["menu"] = self.filemenu
 155
 156         self.set = Tkinter.Menubutton(self, text=txt("mset", "Settings"),
 157                                       state="disabled")
 158         self.set.pack(side="left")
 159
 160         self.help = Tkinter.Menubutton(self, text=txt("mhelp", "Help"))
 161         self.help.pack(side="right")
 162         self.helpmenu = Tkinter.Menu(self.help)
 163         self.helpmenu.add_command(label=txt("mwork", "Working..."),
 164                                    command=master.help)
 165         self.helpmenu.add_command(label=txt("mform", "Form..."),
 166                                    state="disabled", command=master.formhelp)
 167         self.helpmenu.add_separator()
 168         self.helpmenu.add_command(label=txt("mabout", "About..."),
 169                                    command=master.about)
 170         self.help["menu"] = self.helpmenu
 171
 172 # main form window with scrollbars
 173 class MainFrame(Tkinter.Frame):
 174     def __init__(self, master):
 175         Tkinter.Frame.__init__(self, master)
 176         self.canvas = Tkinter.Canvas(self, scrollregion=(0, 0, 200, 200))
 177         self.canvas.grid(row=0, column=0, sticky="news")
 178         self.scrollY = Tkinter.Scrollbar(self, orient=Tkinter.VERTICAL,
 179                                          command=self.canvas.yview)
 180         self.scrollY.grid(row=0, column=1, sticky="ns")
 181         self.canvas["yscrollcommand"] = self.scrollY.set
 182         self.scrollX = Tkinter.Scrollbar(self, orient=Tkinter.HORIZONTAL,
 183                                          command=self.canvas.xview)
 184         self.scrollX.grid(row=1, column=0, sticky="ew")
 185         self.canvas["xscrollcommand"] = self.scrollX.set
 186         self.grid_columnconfigure(0, weight=1, minsize=0)
 187         self.grid_rowconfigure(0, weight=1, minsize=0)
 188         self.formid = None
 189         self.form = None
 190     def new_form(self, dom):
 191         if self.formid != None:
 192             self.canvas.delete(self.formid)
 193         if self.form != None:
 194             self.form.cleanup()
 195         self.form = cotkwidget.FormWin(self.canvas, dom.documentElement)
 196         self.formid = self.canvas.create_window(0, 0, window=self.form,
 197                                                 anchor="nw")
 198         self.canvas.update();
 199         self.canvas["scrollregion"] = self.canvas.bbox("all")
 200     def value_dom(self, dom, flags):
 201         self.form.value_dom(dom, dom, flags)
 202
 203 # the status bar
 204 class StatusBar(Tkinter.Frame):
 205     def __init__(self, master):
 206         Tkinter.Frame.__init__(self, master, relief="raised", borderwidth=2)
 207         self.lform = Tkinter.Label(self, text=txt("noform", "<no form>"),
 208                                    relief="sunken", borderwidth=2)
 209         self.lform.pack(side="left")
 210         self.lfile = Tkinter.Label(self, text=txt("nofile", "<no file>"),
 211                                    relief="sunken", borderwidth=2)
 212         self.lfile.pack(side="left")
 213         self.modinc = Tkinter.Label(self, text=" ", relief="sunken",
 214                                     borderwidth=2)
 215         self.modinc.pack(side="left")
 216         self.filler = Tkinter.Label(self, relief="sunken", borderwidth=2)
 217         self.filler.pack(side="right", fill="x", expand=1)
 218     def set_filename(self, name):
 219         if name:
 220             self.lfile["text"] = name
 221         else:
 222             self.lfile["text"] = txt("nofile", "<no file>")
 223     def set_formname(self, name):
 224         if name:
 225             self.lform["text"] = name
 226         else:
 227             self.lform["text"] = txt("noform", "<no form>")
 228     def set_modified(self, mod):
 229         if mod:
 230             self.modinc["text"] = "*"
 231         else:
 232             self.modinc["text"] = " "