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The Java Developers Almanac 1.4Order this book from Amazon. |
e784. Listening for Changes to the Selection in a JList ComponentWhen the set of selected items is changed, either by the user or programmatically, a list selection event is fired.// Create a list String[] items = {"A", "B", "C", "D"}; JList list = new JList(items); // Register a selection listener list.addListSelectionListener(new MyListSelectionListener()); class MyListSelectionListener implements ListSelectionListener { // This method is called each time the user changes the set of selected items public void valueChanged(ListSelectionEvent evt) { // When the user release the mouse button and completes the selection, // getValueIsAdjusting() becomes false if (!evt.getValueIsAdjusting()) { JList list = (JList)evt.getSource(); // Get all selected items Object[] selected = list.getSelectedValues(); // Iterate all selected items for (int i=0; i<selected.length; i++) { Object sel = selected[i]; } } } }
e775. Setting the Dimensions of an Item in a JList Component e776. Setting a Tool Tip for an Item in a JList Component e777. Getting the Items in a JList Component e778. Adding and Removing an Item in a JList Component e779. Getting the Selected Items in a JList Component e780. Setting the Selected Items in a JList Component e781. Setting the Selection Mode of a JList Component e782. Arranging Items in a JList Component e783. Detecting Double and Triple Clicks on an Item in a JList Component e785. Listening for Changes to the Items in a JList Component © 2002 Addison-Wesley. |