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2013-10-27T16:40:11.093
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2013-10-27T19:17:00.800
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<blockquote> I don't know how to select one image. </blockquote> <ul> <li><code>JList</code> uses an instance of <code>ListSelectionModel</code> to manage its selection. By default, a list selection model allows any combination of items to be selected at a time. You can specify a different selection mode(i.e, single item selection) by calling the <a href="http://docs.oracle.com/javase/7/docs/api/javax/swing/JList.html#setSelectionMode%28int%29" rel="nofollow"><code>setSelectionMode()</code></a> method on the list. <pre><code> jList1.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); </code></pre></li> <li>To do, on item selection event with <code>JList</code>, use the <code>ListSelectionListener</code> to select your item. <pre><code> jList1.addListSelectionListener(new ListSelectionListener() { @Override public void valueChanged(ListSelectionEvent e) { JList jlist = (JList) e.getSource(); Object curentSelectedObject = jlist.getModel().getElementAt(e.getFirstIndex()); Object lastSelectedObject = jlist.getModel().getElementAt(e.getLastIndex()); } }); </code></pre></li> </ul> Using <code>ListSelectionListener</code> is preferable over using <code>MouseListener</code> with <code>JList</code>. Unlike <code>MouseListener</code>, being simple and higher level, it has other two functions <code>evt.getFirstIndex()</code> and <code>evt.getLastIndex()</code> which is very useful. Tutorial resource: <ol> <li><a href="http://docs.oracle.com/javase/tutorial/uiswing/events/listselectionlistener.html" rel="nofollow">How to Write a List Selection Listener</a></li> </ol>
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