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Documentation of class 'Warning':

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Class: Warning


Inheritance:

   Object
   |
   +--GenericException
      |
      +--Notification
         |
         +--UserNotification
            |
            +--Warning
               |
               +--ClassBuildWarning
               |
               +--HTML::HTMLParseWarning
               |
               +--ProceedError

Package:
stx:libbasic
Category:
Kernel-Exceptions
Version:
rev: 1.28 date: 2023/05/24 08:34:44
user: stefan
file: Warning.st directory: libbasic
module: stx stc-classLibrary: libbasic

Description:


Warning is the superclass of all warning signals in the system.
The default beavior for an unhandled Warning is to display a warn
box with the error decription. If no display is available, the error 
description is written to the Transcript.

copyright

COPYRIGHT (c) 1999 by eXept Software AG All Rights Reserved This software is furnished under a license and may be used only in accordance with the terms of that license and with the inclusion of the above copyright notice. This software may not be provided or otherwise made available to, or used by, any other person. No title to or ownership of the software is hereby transferred.

Class protocol:

accessing
o  defaultNotifierString

misc ui support
o  iconInBrowserSymbol
( an extension from the stx:libtool package )
the browser will use this as index into the toolbariconlibrary


Instance protocol:

accessing
o  title: aWarnBoxWindowTitle
an optional title for the warn box

default actions
o  defaultAction
Default action for warnings: open a warn box with description

o  showWarnDialog
open a warn box with description


Examples:


show a warning:
  Transcript showCR:'1 - now raising'.
  Warning raiseRequest.
  Transcript showCR:'2 - after the raise'.
passing an errorString:
  Warning raiseRequestErrorString:'hello world'
provide a handler for warnings:
  Warning handle:[:ex |
      Transcript showCR:'WARNING: ' , ex description
  ] do:[
      '...'.
      Warning raiseRequest.
      '...'.
  ].

  Warning handle:[:ex |
      Transcript showCR:'WARNING: ' , ex description
  ] do:[
      '...'.
      Warning raiseRequestErrorString:'hello world'.
      '...'.
  ]
ignore warnings during some evaluation:
  Warning ignoreIn:[
      '...'.
      Warning raiseRequest.
      '...'.
  ]
defer a warning to some later time:
  Warning deferAfter:[
      Transcript showCR:'1 - no warning here ...'.
      Warning raiseRequestErrorString:'this warning is deferred'.
      Transcript showCR:'2 - but in a second...'.
  ].
  Transcript showCR:'3 - after warning-protected block'.


ST/X 7.7.0.0; WebServer 1.702 at 20f6060372b9.unknown:8081; Tue, 10 Dec 2024 20:53:36 GMT