infoframe.py

Wxpython Implemented on Windows CE, Source code

        self.disableitem = disableitem


    f = None


    def write(self, string):
        if not wx.Thread_IsMain():
            # Aquire the GUI mutex before making GUI calls.  Mutex is released
            # when locker is deleted at the end of this function.
            #
            # TODO: This should be updated to use wx.CallAfter similarly to how
            # PyOnDemandOutputWindow.write was so it is not necessary
            # to get the gui mutex
            locker = wx.MutexGuiLocker()

        if self.Enabled:
            if self.f:
                self.f.write(string)
                self.f.flush()

            move = 1
            if (hasattr(self,"text")
                and self.text is not None
                and self.text.GetInsertionPoint() != self.text.GetLastPosition()):
                move = 0

            if not self.frame:
                self.frame = wx.Frame(self.parent, -1, self.title, size=(450, 300),
                                     style=wx.DEFAULT_FRAME_STYLE|wx.NO_FULL_REPAINT_ON_RESIZE)

                self.text  = wx.TextCtrl(self.frame, -1, "",
                                        style = wx.TE_MULTILINE|wx.TE_READONLY|wx.TE_RICH)

                self.frame.sb = _MyStatusBar(self.frame,
                                             callbacks=[self.DisableOutput,
                                                       self.CloseFile,
                                                       self.OpenNewFile],
                                             useopenbutton=hasattr(self,
                                                                  "nofile"))
                self.frame.SetStatusBar(self.frame.sb)
                self.frame.Show(True)
                self.frame.Bind(wx.EVT_CLOSE, self.OnCloseWindow)

                if hasattr(self,"nofile"):
                    self.text.AppendText(
                        "Please close this window (or select the "
                        "'Dismiss' button below) when desired.  By "
                        "default all messages written to this window "
                        "will NOT be written to a file--you "
                        "may change this by selecting 'Open New File' "
                        "below, allowing you to select a "
                        "new file...\n\n")
                else:
                    tempfile.tempdir = self.dir
                    filename = os.path.abspath(tempfile.mktemp ())

                    self.text.AppendText(
                        "Please close this window (or select the "
                        "'Dismiss' button below) when desired.  By "
                        "default all messages written to this window "
                        "will also be written to the file '%s'--you "
                        "may close this file by selecting 'Close "
                        "File' below, whereupon this button will be "
                        "replaced with one allowing you to select a "
                        "new file...\n\n" % filename)
                    try:
                        self.f = open(filename, 'w')
                        self.frame.sb.SetStatusText("File '%s' opened..."
                                                    % filename,
                                                    0)
                    except EnvironmentError:
                        self.frame.sb.SetStatusText("File creation failed "
                                                    "(filename '%s')..."
                                                    % filename,
                                                    0)
            self.text.AppendText(string)

            if move:
                self.text.ShowPosition(self.text.GetLastPosition())

            if  not hasattr(self,"no__debug__"):
                for m in sys.modules.values():
                    if m is  not None:# and m.__dict__.has_key("__debug__"):
                        m.__dict__["__debug__"] = 1

            if hasattr(self,"othermenu") and self.othermenu is not None:
                i = self.othermenu.FindMenuItem(self.menuname,self.disableitem)
                self.othermenu.Enable(i,1)
                i = self.othermenu.FindMenuItem(self.menuname,self.enableitem)
                self.othermenu.Enable(i,0)


    Enabled = 1

    def OnCloseWindow(self, event, exiting=0):
        if self.f:
            self.f.close()
            self.f = None

        if (hasattr(self,"othermenu") and self.othermenu is not None
            and self.frame is not None
            and not exiting):

            i = self.othermenu.FindMenuItem(self.menuname,self.disableitem)
            self.othermenu.Enable(i,0)
            i = self.othermenu.FindMenuItem(self.menuname,self.enableitem)
            self.othermenu.Enable(i,1)

        if  not hasattr(self,"no__debug__"):
            for m in sys.modules.values():
                if m is  not None:# and m.__dict__.has_key("__debug__"):
                    m.__dict__["__debug__"] = 0

        if self.frame is not None: # typically True, but, e.g., allows
                                   # DisableOutput method (which calls this
                                   # one) to be called when the frame is not
                                   # actually open, so that it is always safe
                                   # to call this method...
            frame = self.frame
            self.frame = self.text = None
            frame.Destroy()
        self.Enabled = 1


    def EnableOutput(self,
                     event=None,# event must be the first optional argument...
                     othermenubar=None,
                     menuname="Debug",
                     enableitem="Enable output",
                     disableitem="Disable output"):

        if othermenubar is not None:
            self.SetOtherMenuBar(othermenubar,
                                 menuname=menuname,
                                 enableitem=enableitem,
                                 disableitem=disableitem)
        self.Enabled = 1
        if self.f:
            self.f.close()
            self.f = None
        self.write("")


    def CloseFile(self):
        if self.f:
            if self.frame:
                self.frame.sb.SetStatusText("File '%s' closed..."
                                            % os.path.abspath(self.f.name),
                                            0)
            self.f.close ()
            self.f = None
        else:
            if self.frame:
                self.frame.sb.SetStatusText("")
        if self.frame:
            self.frame.sb.Refresh()
        return 1


    def OpenNewFile(self):
        self.CloseFile()
        dlg = wx.FileDialog(self.frame,
                          "Choose a new log file", self.dir,"","*",
                           wx.SAVE | wx.OVERWRITE_PROMPT)
        if dlg.ShowModal() == wx.ID_CANCEL:
            dlg.Destroy()
            return 0
        else:
            try:
                self.f = open(os.path.abspath(dlg.GetPath()),'w')
            except EnvironmentError:
                dlg.Destroy()
                return 0
            dlg.Destroy()
            if self.frame:
                self.frame.sb.SetStatusText("File '%s' opened..."
                                            % os.path.abspath(self.f.name),
                                            0)
                if hasattr(self,"nofile"):
                    self.frame.sb = _MyStatusBar(self.frame,
                                                callbacks=[self.DisableOutput,
                                                           self.CloseFile,
                                                           self.OpenNewFile])
                    self.frame.SetStatusBar(self.frame.sb)
            if hasattr(self,"nofile"):
                delattr(self,"nofile")
            return 1


    def DisableOutput(self,
                      event=None,# event must be the first optional argument...
                      exiting=0):
        self.write("<InformationalMessagesFrame>.DisableOutput()\n")
        if hasattr(self,"frame") \
           and self.frame is not None:
            self.OnCloseWindow("Dummy",exiting=exiting)
        self.Enabled = 0


    def close(self):
        self.DisableOutput()


    def flush(self):
        if self.text:
            self.text.SetInsertionPointEnd()
        wx.Yield()


    def __call__(self,* args):
        for s in args:
            self.write (str (s))


    def SetOutputDirectory(self,dir):
        self.dir = os.path.abspath(dir)
##        sys.__stderr__.write("Directory: os.path.abspath(%s) = %s\n"
##                             % (dir,self.dir))



class Dummy_PyInformationalMessagesFrame:
    def __init__(self,progname=""):
        self.softspace = 1
    def __call__(self,*args):
        pass
    def write(self,s):
        pass
    def flush(self):
        pass
    def close(self):
        pass
    def EnableOutput(self):
        pass
    def __call__(self,* args):
        pass
    def DisableOutput(self,exiting=0):
        pass
    def SetParent(self,wX):
        pass