Still celebrating National IT Professionals Day with 3 months of free Premium Membership. Use Code ITDAY17

x
?
Solved

Creating my own Event and Event Listener...

Posted on 1998-04-08
2
Medium Priority
?
182 Views
Last Modified: 2010-08-05
I have a Reusable StatusBar class which I created.  I want to be able to add an EventListener for it so that whenever another class wants to set the text in the status bar, it can do so via the StatusBarListener.  How can I do this?
0
Comment
Question by:bjg
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
2 Comments
 
LVL 1

Accepted Solution

by:
dufort earned 50 total points
ID: 1233994
Why using Events and EventListeners?

Simply use a public method in StatusBar that sets its text and refreshes it:

    public void setText(String s)

and add a reference to your status bar in the classes that want to make use of it. It's that simple.

Don't forget that in this actual case, it is the StatusBar that "listens" to other components; if the other components were listening to the StatusBar (the opposite situation), event listeners would be needed.

0
 

Author Comment

by:bjg
ID: 1233995
I don't want any of my gui components to need knowledge of each other.  So I don't want references of other gui components inside each other.
0

Featured Post

New feature and membership benefit!

New feature! Upgrade and increase expert visibility of your issues with Priority Questions.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Java had always been an easily readable and understandable language.  Some relatively recent changes in the language seem to be changing this pretty fast, and anyone that had not seen any Java code for the last 5 years will possibly have issues unde…
Java functions are among the best things for programmers to work with as Java sites can be very easy to read and prepare. Java especially simplifies many processes in the coding industry as it helps integrate many forms of technology and different d…
Viewers learn about the third conditional statement “else if” and use it in an example program. Then additional information about conditional statements is provided, covering the topic thoroughly. Viewers learn about the third conditional statement …
How to fix incompatible JVM issue while installing Eclipse While installing Eclipse in windows, got one error like above and unable to proceed with the installation. This video describes how to successfully install Eclipse. How to solve incompa…
Suggested Courses

705 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question