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Binding a Vector index to an Item Listener

2 replies on 1 page. Most recent reply: Oct 7, 2005 5:02 AM by Kondwani Mkandawire

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Kondwani Mkandawire

Posts: 530
Nickname: spike
Registered: Aug, 2004

Binding a Vector index to an Item Listener

Posted: Oct 7, 2005 3:50 AM

Ok here goes:

I have a JDialog, all Panels, JComboBoxes, JLabels that are to be added to this
JDailog are only determined at Run Time. That's not the problem, That has been
fixed with GridBag Layout and Increasing Y values of the Constraints.

The problem is when I add a JComboBox for instance I want to find the
easiest way to add an ItemListener such that when it toys with values
in a vector e.g. Vector <Integer> my_vals; i.e. I want to bind a particular
ItemListener to a particular index in the Vector...

Any suggestions.

Kondwani Mkandawire

Posts: 530
Nickname: spike
Registered: Aug, 2004

Re: Binding a Vector index to an Item Listener

Posted: Oct 7, 2005 4:07 AM

Its OK I'll write a separate class that implements
ItemListener and has Custom methods such as

String getValueIWant();

When I want a value for a particular ComboBox I'll use:

if(myPanel.getComponent(n) instanceof (JComboBox))
   comboBox.getItemListener()[i].getValueIWant();

I hope it works, else I'll get fired ;o)

Kondwani Mkandawire

Posts: 530
Nickname: spike
Registered: Aug, 2004

Re: Binding a Vector index to an Item Listener

Posted: Oct 7, 2005 5:02 AM

Worked like a charm, though with all the castings I feel
sorry for whom ever is going to maintain the code
(would be nice to find a simpler way), anyways, as
Gay - Z said:

"Im a hustler baby!"

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