Class: UserNotification

• Inheritance
• Description
• Related information
• Class protocol
  • initialization
  • notification
  • testing
• Instance protocol
  • default actions
  • helpers
• Examples

Inheritance:

   Object
   |
   +--GenericException
      |
      +--Notification
         |
         +--UserNotification
            |
            +--ActivityNotification
            |
            +--UserConfirmation
            |
            +--UserInformation
            |
            +--Warning

Package:

stx:libbasic

Category:

Kernel-Exceptions-Notifications

Version:

rev: 1.15 date: 2009/10/14 17:34:46

user: cg

file: UserNotification.st directory: libbasic

module: stx stc-classLibrary: libbasic

Author:

Stefan Vogel

Description:

UserNotification is the superclass of all user notification 
signals in the system. It produces an info box with the message on the screen. 
If no display is available, the message is written to the Transcript (headless operation).

Related information:

    Signal

Class protocol:

 initialize

 notify: aString

 isQuerySignal

Instance protocol:

 defaultAction

Default action for notifications: open a info box with description

 hasDialog

answer true, if we can use a Dialog window

Examples:

    UserNotification raiseRequest

    UserNotification raiseErrorString:'huh ?'

    UserNotification raiseRequestWith:nil errorString:'what ?'

    UserNotification raiseRequestWith:nil errorString:' what ?'