alert.py

####
#       Class AlertDialog
#
#       Purpose
#       -------
#
#       AlertDialog's are widgets that allow one to pop up warnings, one line
#       questions etc. They return a set of standard action numbers being :-
#       0 => Cancel was pressed
#       1 => Yes was pressed
#       2 => No was pressed
#
#       Standard Usage
#       --------------
#
#       F = AlertDialog(widget, message)
#       action = F.Show()
####

# last updated 29-Jul-2008 -- dmreagan

from dialog import *

class AlertDialog(ModalDialog):

        def __init__(self, widget, msg):
                self.widget = widget
                self.msgString = msg
                Dialog.__init__(self, widget)

        def SetupDialog(self):
                import string
                upperFrame = Frame(self.top)
                upperFrame['relief'] = 'raised'
                upperFrame['bd']         = 1
                upperFrame.pack({'expand':'yes', 'side':'top', 'fill':'both' })
                self.bitmap = Label(upperFrame)
                self.bitmap.pack({'side':'left'})
                msgList = string.splitfields(self.msgString, "\n")
                for i in range(len(msgList)):
                        msgText = Label(upperFrame)
                        msgText["text"]   = msgList[i]
                        msgText.pack({'expand':'yes', 'side':'top', 'anchor':'nw',
                                'fill':'x' })
                self.lowerFrame = Frame(self.top)
                self.lowerFrame['relief'] = 'raised'
                self.lowerFrame['bd']    = 1
                self.lowerFrame.pack({'expand':'yes', 'side':'top', 'pady':'2',
                        'fill':'both' })

        def OkPressed(self):
                self.TerminateDialog(1)

        def CancelPressed(self):
                self.TerminateDialog(0)

        def NoPressed(self):
                self.TerminateDialog(2)

        def CreateButton(self, text, command):
                self.button = Button(self.lowerFrame)
                self.button["text"]       = text
                self.button["command"]   = command
                self.button.pack({'expand':'yes', 'pady':'2', 'side':'left'})

####
#       Class ErrorDialog
#
#       Purpose
#       -------
#
#       To pop up an error message
####

class ErrorDialog(AlertDialog):

        def SetupDialog(self):
                AlertDialog.SetupDialog(self)
                self.bitmap['bitmap'] = 'error'
                self.CreateButton("OK", self.OkPressed)

####
#       Class WarningDialog
#
#       Purpose
#       -------
#
#       To pop up a warning message.
####

class WarningDialog(AlertDialog):

        def SetupDialog(self):
                AlertDialog.SetupDialog(self)
                self.bitmap['bitmap'] = 'warning'
                self.CreateButton("Yes", self.OkPressed)
                self.CreateButton("No", self.CancelPressed)

####
#       Class QuestionDialog
#
#       Purpose
#       -------
#
#       To pop up a simple question
####

class QuestionDialog(AlertDialog):

        def SetupDialog(self):
                AlertDialog.SetupDialog(self)
                self.bitmap['bitmap'] = 'question'
                self.CreateButton("Yes", self.OkPressed)
                self.CreateButton("No", self.NoPressed)
                self.CreateButton("Cancel", self.CancelPressed)

####
#       Class MessageDialog
#
#       Purpose
#       -------
#
#       To pop up a message.
####

class MessageDialog(AlertDialog):

        def SetupDialog(self):
                AlertDialog.SetupDialog(self)
                self.bitmap['bitmap'] = 'warning'
                self.CreateButton("Dismiss", self.CancelPressed)