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  • Issues with ListSelectionEvent


    F00

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    I attempted to make a simple GUI for my script, and the primary components are a combobox, a jlist, and a button. I'm having an issue where when I add a ListSelectionListener and attempt to use .equals() or .contains()  on Jlist.getSelectedValue() it freezes the list and stops it from updating when I select a new combobox item.

    the method looks like this :

     

    private void locationListActionPerformed(ListSelectionEvent e)
    {
       if (!e.getValueIsAdjusting()) {
          String location = locationList.getSelectedValue();
          if (location.equals("Lumbridge Swamp") || location.equal("Lumbridge River")) {
             bankCheckBox.setSelected( false );
             bankCheckBox.setEnabled( false );
          } else {
             bankCheckBox.setEnabled(true);
          }
       }
    
    }
    

    however if I use location == "Lumbridge Swamp" it works just fine.

    Could someone please explain why this is happening. Thank you.

     

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    10 hours ago, F00 said:

    I attempted to make a simple GUI for my script, and the primary components are a combobox, a jlist, and a button. I'm having an issue where when I add a ListSelectionListener and attempt to use .equals() or .contains()  on Jlist.getSelectedValue() it freezes the list and stops it from updating when I select a new combobox item.

    the method looks like this :

     

    
    private void locationListActionPerformed(ListSelectionEvent e)
    {
       if (!e.getValueIsAdjusting()) {
          String location = locationList.getSelectedValue();
          if (location.equals("Lumbridge Swamp") || location.equal("Lumbridge River")) {
             bankCheckBox.setSelected( false );
             bankCheckBox.setEnabled( false );
          } else {
             bankCheckBox.setEnabled(true);
          }
       }
    
    }
    

    however if I use location == "Lumbridge Swamp" it works just fine.

    Could someone please explain why this is happening. Thank you.

     

    getSelectedValue returns an Object, you must either cast it to String or add a .toString();

    also its .equals("...") not .equal("..)

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    13 hours ago, Defiled said:

    getSelectedValue returns an Object, you must either cast it to String or add a .toString();

    also its .equals("...") not .equal("..)

    I checked the value that I get from getSelectedValue with getClass() and it returns that its a String. If I try to cast it or use .toString() I get a redundancy warning. 

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