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Thread: how to determine type of component of listener's source

  1. #1
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    Default how to determine type of component of listener's source

    I want to do is:

    if the source is a JLabel then....
    and if the source is a JButton then....

    but:

    MouseListener mL = new MouseAdapter(){
    @Override
    public void mouseEntered(MouseEvent me){
    if(me.getSource() .......){
    //NO IDEA ANYMORE!
    }
    }
    };

    please help


  2. #2
    Super Moderator Norm's Avatar
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    Default Re: how to determine type of component of listener's source

    if the source is a JLabel then....
    and if the source is a JButton then....
    You could use the instanceof operator to test what datatype an object is.

    Please explain what you are trying to do.
    If you don't understand my answer, don't ignore it, ask a question.

  3. #3
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    Default Re: how to determine type of component of listener's source

    i cant explain any better than this..

    i have lots of components like buttons and labels that has the same Listener, now i want the listener to tell me what kind of source he got (JButton or JLabel) when that listener is executed..

    thats all i can say

  4. #4
    Super Moderator Norm's Avatar
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    Default Re: how to determine type of component of listener's source

    tell me what kind of source he got (JButton or JLabel)
    see my last post about instanceof
    If you don't understand my answer, don't ignore it, ask a question.

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