python-2.5.2/win32/Lib/idlelib/IOBinding.py
author Deepak Modgil <Deepak.Modgil@Nokia.com>
Fri, 03 Apr 2009 17:19:34 +0100
changeset 0 ae805ac0140d
permissions -rw-r--r--
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Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
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# changes by dscherer@cmu.edu
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#   - IOBinding.open() replaces the current window with the opened file,
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#     if the current window is both unmodified and unnamed
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#   - IOBinding.loadfile() interprets Windows, UNIX, and Macintosh
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#     end-of-line conventions, instead of relying on the standard library,
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#     which will only understand the local convention.
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import os
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import types
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import sys
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import codecs
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import tempfile
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import tkFileDialog
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import tkMessageBox
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import re
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from Tkinter import *
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from SimpleDialog import SimpleDialog
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from configHandler import idleConf
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try:
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    from codecs import BOM_UTF8
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except ImportError:
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    # only available since Python 2.3
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    BOM_UTF8 = '\xef\xbb\xbf'
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# Try setting the locale, so that we can find out
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# what encoding to use
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try:
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    import locale
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    locale.setlocale(locale.LC_CTYPE, "")
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except (ImportError, locale.Error):
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    pass
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# Encoding for file names
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filesystemencoding = sys.getfilesystemencoding()
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encoding = "ascii"
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if sys.platform == 'win32':
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    # On Windows, we could use "mbcs". However, to give the user
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    # a portable encoding name, we need to find the code page
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    try:
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        encoding = locale.getdefaultlocale()[1]
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        codecs.lookup(encoding)
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    except LookupError:
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        pass
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else:
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    try:
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        # Different things can fail here: the locale module may not be
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        # loaded, it may not offer nl_langinfo, or CODESET, or the
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        # resulting codeset may be unknown to Python. We ignore all
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        # these problems, falling back to ASCII
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        encoding = locale.nl_langinfo(locale.CODESET)
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        if encoding is None or encoding is '':
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            # situation occurs on Mac OS X
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            encoding = 'ascii'
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        codecs.lookup(encoding)
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    except (NameError, AttributeError, LookupError):
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        # Try getdefaultlocale well: it parses environment variables,
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        # which may give a clue. Unfortunately, getdefaultlocale has
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        # bugs that can cause ValueError.
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        try:
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            encoding = locale.getdefaultlocale()[1]
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            if encoding is None or encoding is '':
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                # situation occurs on Mac OS X
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                encoding = 'ascii'
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            codecs.lookup(encoding)
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        except (ValueError, LookupError):
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            pass
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encoding = encoding.lower()
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coding_re = re.compile("coding[:=]\s*([-\w_.]+)")
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class EncodingMessage(SimpleDialog):
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    "Inform user that an encoding declaration is needed."
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    def __init__(self, master, enc):
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        self.should_edit = False
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        self.root = top = Toplevel(master)
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        top.bind("<Return>", self.return_event)
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        top.bind("<Escape>", self.do_ok)
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        top.protocol("WM_DELETE_WINDOW", self.wm_delete_window)
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        top.wm_title("I/O Warning")
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        top.wm_iconname("I/O Warning")
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        self.top = top
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        l1 = Label(top,
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            text="Non-ASCII found, yet no encoding declared. Add a line like")
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        l1.pack(side=TOP, anchor=W)
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        l2 = Entry(top, font="courier")
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        l2.insert(0, "# -*- coding: %s -*-" % enc)
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        # For some reason, the text is not selectable anymore if the
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        # widget is disabled.
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        # l2['state'] = DISABLED
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        l2.pack(side=TOP, anchor = W, fill=X)
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        l3 = Label(top, text="to your file\n"
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                   "Choose OK to save this file as %s\n"
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                   "Edit your general options to silence this warning" % enc)
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        l3.pack(side=TOP, anchor = W)
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        buttons = Frame(top)
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        buttons.pack(side=TOP, fill=X)
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        # Both return and cancel mean the same thing: do nothing
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        self.default = self.cancel = 0
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        b1 = Button(buttons, text="Ok", default="active",
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                    command=self.do_ok)
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        b1.pack(side=LEFT, fill=BOTH, expand=1)
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        b2 = Button(buttons, text="Edit my file",
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                    command=self.do_edit)
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        b2.pack(side=LEFT, fill=BOTH, expand=1)
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        self._set_transient(master)
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    def do_ok(self):
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        self.done(0)
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    def do_edit(self):
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        self.done(1)
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def coding_spec(str):
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    """Return the encoding declaration according to PEP 263.
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    Raise LookupError if the encoding is declared but unknown.
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    """
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    # Only consider the first two lines
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    str = str.split("\n")[:2]
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    str = "\n".join(str)
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    match = coding_re.search(str)
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    if not match:
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        return None
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    name = match.group(1)
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    # Check whether the encoding is known
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    import codecs
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    try:
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        codecs.lookup(name)
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    except LookupError:
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        # The standard encoding error does not indicate the encoding
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   140
        raise LookupError, "Unknown encoding "+name
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   141
    return name
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   142
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parents:
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   143
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   144
class IOBinding:
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parents:
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   145
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   146
    def __init__(self, editwin):
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   147
        self.editwin = editwin
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   148
        self.text = editwin.text
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   149
        self.__id_open = self.text.bind("<<open-window-from-file>>", self.open)
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        self.__id_save = self.text.bind("<<save-window>>", self.save)
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   151
        self.__id_saveas = self.text.bind("<<save-window-as-file>>",
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   152
                                          self.save_as)
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   153
        self.__id_savecopy = self.text.bind("<<save-copy-of-window-as-file>>",
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parents:
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   154
                                            self.save_a_copy)
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parents:
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   155
        self.fileencoding = None
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   156
        self.__id_print = self.text.bind("<<print-window>>", self.print_window)
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   157
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parents:
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   158
    def close(self):
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   159
        # Undo command bindings
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   160
        self.text.unbind("<<open-window-from-file>>", self.__id_open)
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parents:
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   161
        self.text.unbind("<<save-window>>", self.__id_save)
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parents:
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   162
        self.text.unbind("<<save-window-as-file>>",self.__id_saveas)
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parents:
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   163
        self.text.unbind("<<save-copy-of-window-as-file>>", self.__id_savecopy)
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parents:
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   164
        self.text.unbind("<<print-window>>", self.__id_print)
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   165
        # Break cycles
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parents:
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   166
        self.editwin = None
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parents:
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   167
        self.text = None
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parents:
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   168
        self.filename_change_hook = None
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parents:
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   169
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parents:
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   170
    def get_saved(self):
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   171
        return self.editwin.get_saved()
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parents:
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   172
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parents:
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   173
    def set_saved(self, flag):
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parents:
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   174
        self.editwin.set_saved(flag)
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parents:
diff changeset
   175
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parents:
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   176
    def reset_undo(self):
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parents:
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   177
        self.editwin.reset_undo()
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parents:
diff changeset
   178
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parents:
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   179
    filename_change_hook = None
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parents:
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   180
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parents:
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   181
    def set_filename_change_hook(self, hook):
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   182
        self.filename_change_hook = hook
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parents:
diff changeset
   183
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parents:
diff changeset
   184
    filename = None
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parents:
diff changeset
   185
    dirname = None
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parents:
diff changeset
   186
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parents:
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   187
    def set_filename(self, filename):
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parents:
diff changeset
   188
        if filename and os.path.isdir(filename):
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parents:
diff changeset
   189
            self.filename = None
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parents:
diff changeset
   190
            self.dirname = filename
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parents:
diff changeset
   191
        else:
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parents:
diff changeset
   192
            self.filename = filename
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parents:
diff changeset
   193
            self.dirname = None
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parents:
diff changeset
   194
            self.set_saved(1)
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parents:
diff changeset
   195
            if self.filename_change_hook:
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parents:
diff changeset
   196
                self.filename_change_hook()
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parents:
diff changeset
   197
ae805ac0140d DP tools release version Revision: 200912
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parents:
diff changeset
   198
    def open(self, event=None, editFile=None):
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parents:
diff changeset
   199
        if self.editwin.flist:
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parents:
diff changeset
   200
            if not editFile:
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parents:
diff changeset
   201
                filename = self.askopenfile()
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parents:
diff changeset
   202
            else:
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parents:
diff changeset
   203
                filename=editFile
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parents:
diff changeset
   204
            if filename:
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parents:
diff changeset
   205
                # If the current window has no filename and hasn't been
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parents:
diff changeset
   206
                # modified, we replace its contents (no loss).  Otherwise
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parents:
diff changeset
   207
                # we open a new window.  But we won't replace the
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parents:
diff changeset
   208
                # shell window (which has an interp(reter) attribute), which
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parents:
diff changeset
   209
                # gets set to "not modified" at every new prompt.
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parents:
diff changeset
   210
                try:
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parents:
diff changeset
   211
                    interp = self.editwin.interp
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parents:
diff changeset
   212
                except:
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parents:
diff changeset
   213
                    interp = None
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parents:
diff changeset
   214
                if not self.filename and self.get_saved() and not interp:
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parents:
diff changeset
   215
                    self.editwin.flist.open(filename, self.loadfile)
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parents:
diff changeset
   216
                else:
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parents:
diff changeset
   217
                    self.editwin.flist.open(filename)
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parents:
diff changeset
   218
            else:
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parents:
diff changeset
   219
                self.text.focus_set()
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parents:
diff changeset
   220
            return "break"
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parents:
diff changeset
   221
        #
ae805ac0140d DP tools release version Revision: 200912
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parents:
diff changeset
   222
        # Code for use outside IDLE:
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parents:
diff changeset
   223
        if self.get_saved():
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parents:
diff changeset
   224
            reply = self.maybesave()
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parents:
diff changeset
   225
            if reply == "cancel":
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parents:
diff changeset
   226
                self.text.focus_set()
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parents:
diff changeset
   227
                return "break"
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parents:
diff changeset
   228
        if not editFile:
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parents:
diff changeset
   229
            filename = self.askopenfile()
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parents:
diff changeset
   230
        else:
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parents:
diff changeset
   231
            filename=editFile
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parents:
diff changeset
   232
        if filename:
ae805ac0140d DP tools release version Revision: 200912
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parents:
diff changeset
   233
            self.loadfile(filename)
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parents:
diff changeset
   234
        else:
ae805ac0140d DP tools release version Revision: 200912
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parents:
diff changeset
   235
            self.text.focus_set()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   236
        return "break"
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   237
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   238
    eol = r"(\r\n)|\n|\r"  # \r\n (Windows), \n (UNIX), or \r (Mac)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   239
    eol_re = re.compile(eol)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   240
    eol_convention = os.linesep # Default
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   241
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   242
    def loadfile(self, filename):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   243
        try:
ae805ac0140d DP tools release version Revision: 200912
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parents:
diff changeset
   244
            # open the file in binary mode so that we can handle
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   245
            #   end-of-line convention ourselves.
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   246
            f = open(filename,'rb')
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   247
            chars = f.read()
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Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   248
            f.close()
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parents:
diff changeset
   249
        except IOError, msg:
ae805ac0140d DP tools release version Revision: 200912
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parents:
diff changeset
   250
            tkMessageBox.showerror("I/O Error", str(msg), master=self.text)
ae805ac0140d DP tools release version Revision: 200912
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parents:
diff changeset
   251
            return False
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parents:
diff changeset
   252
ae805ac0140d DP tools release version Revision: 200912
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parents:
diff changeset
   253
        chars = self.decode(chars)
ae805ac0140d DP tools release version Revision: 200912
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parents:
diff changeset
   254
        # We now convert all end-of-lines to '\n's
ae805ac0140d DP tools release version Revision: 200912
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parents:
diff changeset
   255
        firsteol = self.eol_re.search(chars)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   256
        if firsteol:
ae805ac0140d DP tools release version Revision: 200912
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parents:
diff changeset
   257
            self.eol_convention = firsteol.group(0)
ae805ac0140d DP tools release version Revision: 200912
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parents:
diff changeset
   258
            if isinstance(self.eol_convention, unicode):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   259
                # Make sure it is an ASCII string
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Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   260
                self.eol_convention = self.eol_convention.encode("ascii")
ae805ac0140d DP tools release version Revision: 200912
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parents:
diff changeset
   261
            chars = self.eol_re.sub(r"\n", chars)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   262
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   263
        self.text.delete("1.0", "end")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   264
        self.set_filename(None)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   265
        self.text.insert("1.0", chars)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   266
        self.reset_undo()
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Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   267
        self.set_filename(filename)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   268
        self.text.mark_set("insert", "1.0")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   269
        self.text.see("insert")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   270
        self.updaterecentfileslist(filename)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   271
        return True
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parents:
diff changeset
   272
ae805ac0140d DP tools release version Revision: 200912
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parents:
diff changeset
   273
    def decode(self, chars):
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Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   274
        """Create a Unicode string
ae805ac0140d DP tools release version Revision: 200912
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parents:
diff changeset
   275
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   276
        If that fails, let Tcl try its best
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   277
        """
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parents:
diff changeset
   278
        # Check presence of a UTF-8 signature first
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   279
        if chars.startswith(BOM_UTF8):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   280
            try:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   281
                chars = chars[3:].decode("utf-8")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   282
            except UnicodeError:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   283
                # has UTF-8 signature, but fails to decode...
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   284
                return chars
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   285
            else:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   286
                # Indicates that this file originally had a BOM
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   287
                self.fileencoding = BOM_UTF8
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   288
                return chars
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   289
        # Next look for coding specification
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   290
        try:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   291
            enc = coding_spec(chars)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   292
        except LookupError, name:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   293
            tkMessageBox.showerror(
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   294
                title="Error loading the file",
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   295
                message="The encoding '%s' is not known to this Python "\
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   296
                "installation. The file may not display correctly" % name,
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   297
                master = self.text)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   298
            enc = None
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   299
        if enc:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   300
            try:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   301
                return unicode(chars, enc)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   302
            except UnicodeError:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   303
                pass
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   304
        # If it is ASCII, we need not to record anything
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   305
        try:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   306
            return unicode(chars, 'ascii')
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   307
        except UnicodeError:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   308
            pass
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   309
        # Finally, try the locale's encoding. This is deprecated;
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   310
        # the user should declare a non-ASCII encoding
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   311
        try:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   312
            chars = unicode(chars, encoding)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   313
            self.fileencoding = encoding
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   314
        except UnicodeError:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   315
            pass
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   316
        return chars
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   317
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   318
    def maybesave(self):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   319
        if self.get_saved():
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   320
            return "yes"
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   321
        message = "Do you want to save %s before closing?" % (
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   322
            self.filename or "this untitled document")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   323
        m = tkMessageBox.Message(
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   324
            title="Save On Close",
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   325
            message=message,
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   326
            icon=tkMessageBox.QUESTION,
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   327
            type=tkMessageBox.YESNOCANCEL,
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   328
            master=self.text)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   329
        reply = m.show()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   330
        if reply == "yes":
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   331
            self.save(None)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   332
            if not self.get_saved():
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   333
                reply = "cancel"
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   334
        self.text.focus_set()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   335
        return reply
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   336
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   337
    def save(self, event):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   338
        if not self.filename:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   339
            self.save_as(event)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   340
        else:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   341
            if self.writefile(self.filename):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   342
                self.set_saved(1)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   343
                try:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   344
                    self.editwin.store_file_breaks()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   345
                except AttributeError:  # may be a PyShell
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   346
                    pass
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   347
        self.text.focus_set()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   348
        return "break"
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   349
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   350
    def save_as(self, event):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   351
        filename = self.asksavefile()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   352
        if filename:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   353
            if self.writefile(filename):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   354
                self.set_filename(filename)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   355
                self.set_saved(1)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   356
                try:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   357
                    self.editwin.store_file_breaks()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   358
                except AttributeError:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   359
                    pass
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   360
        self.text.focus_set()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   361
        self.updaterecentfileslist(filename)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   362
        return "break"
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   363
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   364
    def save_a_copy(self, event):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   365
        filename = self.asksavefile()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   366
        if filename:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   367
            self.writefile(filename)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   368
        self.text.focus_set()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   369
        self.updaterecentfileslist(filename)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   370
        return "break"
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   371
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   372
    def writefile(self, filename):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   373
        self.fixlastline()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   374
        chars = self.encode(self.text.get("1.0", "end-1c"))
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   375
        if self.eol_convention != "\n":
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   376
            chars = chars.replace("\n", self.eol_convention)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   377
        try:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   378
            f = open(filename, "wb")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   379
            f.write(chars)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   380
            f.flush()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   381
            f.close()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   382
            return True
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   383
        except IOError, msg:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   384
            tkMessageBox.showerror("I/O Error", str(msg),
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   385
                                   master=self.text)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   386
            return False
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   387
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   388
    def encode(self, chars):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   389
        if isinstance(chars, types.StringType):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   390
            # This is either plain ASCII, or Tk was returning mixed-encoding
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   391
            # text to us. Don't try to guess further.
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   392
            return chars
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   393
        # See whether there is anything non-ASCII in it.
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   394
        # If not, no need to figure out the encoding.
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   395
        try:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   396
            return chars.encode('ascii')
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   397
        except UnicodeError:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   398
            pass
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   399
        # If there is an encoding declared, try this first.
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   400
        try:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   401
            enc = coding_spec(chars)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   402
            failed = None
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   403
        except LookupError, msg:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   404
            failed = msg
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   405
            enc = None
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   406
        if enc:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   407
            try:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   408
                return chars.encode(enc)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   409
            except UnicodeError:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   410
                failed = "Invalid encoding '%s'" % enc
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   411
        if failed:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   412
            tkMessageBox.showerror(
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   413
                "I/O Error",
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   414
                "%s. Saving as UTF-8" % failed,
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   415
                master = self.text)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   416
        # If there was a UTF-8 signature, use that. This should not fail
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   417
        if self.fileencoding == BOM_UTF8 or failed:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   418
            return BOM_UTF8 + chars.encode("utf-8")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   419
        # Try the original file encoding next, if any
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   420
        if self.fileencoding:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   421
            try:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   422
                return chars.encode(self.fileencoding)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   423
            except UnicodeError:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   424
                tkMessageBox.showerror(
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   425
                    "I/O Error",
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   426
                    "Cannot save this as '%s' anymore. Saving as UTF-8" \
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   427
                    % self.fileencoding,
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   428
                    master = self.text)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   429
                return BOM_UTF8 + chars.encode("utf-8")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   430
        # Nothing was declared, and we had not determined an encoding
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   431
        # on loading. Recommend an encoding line.
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   432
        config_encoding = idleConf.GetOption("main","EditorWindow",
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   433
                                             "encoding")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   434
        if config_encoding == 'utf-8':
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   435
            # User has requested that we save files as UTF-8
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   436
            return BOM_UTF8 + chars.encode("utf-8")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   437
        ask_user = True
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   438
        try:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   439
            chars = chars.encode(encoding)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   440
            enc = encoding
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   441
            if config_encoding == 'locale':
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   442
                ask_user = False
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   443
        except UnicodeError:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   444
            chars = BOM_UTF8 + chars.encode("utf-8")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   445
            enc = "utf-8"
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   446
        if not ask_user:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   447
            return chars
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   448
        dialog = EncodingMessage(self.editwin.top, enc)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   449
        dialog.go()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   450
        if dialog.num == 1:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   451
            # User asked us to edit the file
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   452
            encline = "# -*- coding: %s -*-\n" % enc
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   453
            firstline = self.text.get("1.0", "2.0")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   454
            if firstline.startswith("#!"):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   455
                # Insert encoding after #! line
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   456
                self.text.insert("2.0", encline)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   457
            else:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   458
                self.text.insert("1.0", encline)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   459
            return self.encode(self.text.get("1.0", "end-1c"))
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   460
        return chars
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   461
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   462
    def fixlastline(self):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   463
        c = self.text.get("end-2c")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   464
        if c != '\n':
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   465
            self.text.insert("end-1c", "\n")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   466
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   467
    def print_window(self, event):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   468
        tempfilename = None
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   469
        saved = self.get_saved()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   470
        if saved:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   471
            filename = self.filename
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   472
        # shell undo is reset after every prompt, looks saved, probably isn't
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   473
        if not saved or filename is None:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   474
            # XXX KBK 08Jun03 Wouldn't it be better to ask the user to save?
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   475
            (tfd, tempfilename) = tempfile.mkstemp(prefix='IDLE_tmp_')
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   476
            filename = tempfilename
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   477
            os.close(tfd)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   478
            if not self.writefile(tempfilename):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   479
                os.unlink(tempfilename)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   480
                return "break"
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   481
        platform=os.name
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   482
        printPlatform=1
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   483
        if platform == 'posix': #posix platform
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   484
            command = idleConf.GetOption('main','General',
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   485
                                         'print-command-posix')
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   486
            command = command + " 2>&1"
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   487
        elif platform == 'nt': #win32 platform
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   488
            command = idleConf.GetOption('main','General','print-command-win')
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   489
        else: #no printing for this platform
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   490
            printPlatform=0
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   491
        if printPlatform:  #we can try to print for this platform
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   492
            command = command % filename
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   493
            pipe = os.popen(command, "r")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   494
            # things can get ugly on NT if there is no printer available.
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   495
            output = pipe.read().strip()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   496
            status = pipe.close()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   497
            if status:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   498
                output = "Printing failed (exit status 0x%x)\n" % \
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   499
                         status + output
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   500
            if output:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   501
                output = "Printing command: %s\n" % repr(command) + output
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   502
                tkMessageBox.showerror("Print status", output, master=self.text)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   503
        else:  #no printing for this platform
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   504
            message="Printing is not enabled for this platform: %s" % platform
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   505
            tkMessageBox.showinfo("Print status", message, master=self.text)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   506
        if tempfilename:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   507
            os.unlink(tempfilename)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   508
        return "break"
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   509
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   510
    opendialog = None
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   511
    savedialog = None
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   512
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   513
    filetypes = [
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   514
        ("Python and text files", "*.py *.pyw *.txt", "TEXT"),
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   515
        ("All text files", "*", "TEXT"),
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   516
        ("All files", "*"),
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   517
        ]
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   518
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   519
    def askopenfile(self):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   520
        dir, base = self.defaultfilename("open")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   521
        if not self.opendialog:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   522
            self.opendialog = tkFileDialog.Open(master=self.text,
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   523
                                                filetypes=self.filetypes)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   524
        filename = self.opendialog.show(initialdir=dir, initialfile=base)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   525
        if isinstance(filename, unicode):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   526
            filename = filename.encode(filesystemencoding)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   527
        return filename
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   528
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   529
    def defaultfilename(self, mode="open"):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   530
        if self.filename:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   531
            return os.path.split(self.filename)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   532
        elif self.dirname:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   533
            return self.dirname, ""
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   534
        else:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   535
            try:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   536
                pwd = os.getcwd()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   537
            except os.error:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   538
                pwd = ""
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   539
            return pwd, ""
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   540
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   541
    def asksavefile(self):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   542
        dir, base = self.defaultfilename("save")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   543
        if not self.savedialog:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   544
            self.savedialog = tkFileDialog.SaveAs(master=self.text,
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   545
                                                  filetypes=self.filetypes)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   546
        filename = self.savedialog.show(initialdir=dir, initialfile=base)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   547
        if isinstance(filename, unicode):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   548
            filename = filename.encode(filesystemencoding)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   549
        return filename
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   550
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   551
    def updaterecentfileslist(self,filename):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   552
        "Update recent file list on all editor windows"
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   553
        self.editwin.update_recent_files_list(filename)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   554
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   555
def test():
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   556
    root = Tk()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   557
    class MyEditWin:
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   558
        def __init__(self, text):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   559
            self.text = text
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   560
            self.flist = None
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   561
            self.text.bind("<Control-o>", self.open)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   562
            self.text.bind("<Control-s>", self.save)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   563
            self.text.bind("<Alt-s>", self.save_as)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   564
            self.text.bind("<Alt-z>", self.save_a_copy)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   565
        def get_saved(self): return 0
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   566
        def set_saved(self, flag): pass
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   567
        def reset_undo(self): pass
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   568
        def open(self, event):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   569
            self.text.event_generate("<<open-window-from-file>>")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   570
        def save(self, event):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   571
            self.text.event_generate("<<save-window>>")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   572
        def save_as(self, event):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   573
            self.text.event_generate("<<save-window-as-file>>")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   574
        def save_a_copy(self, event):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   575
            self.text.event_generate("<<save-copy-of-window-as-file>>")
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   576
    text = Text(root)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   577
    text.pack()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   578
    text.focus_set()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   579
    editwin = MyEditWin(text)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   580
    io = IOBinding(editwin)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   581
    root.mainloop()
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   582
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   583
if __name__ == "__main__":
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
   584
    test()