javax.swing.JList#setSelectedValue ( )源码实例Demo

/**
 * Generate the left panel
 * @return
 */
private JComponent getLeftPanel() {
	
	final DefaultListModel<String> listModel = new DefaultListModel<String>();
	final JList<String> distributionGroupList = new JList<String>(listModel);

	refreshDistributionGroups(listModel);

	distributionGroupList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
	distributionGroupList.setSelectedValue(guiModel.getDistributionGroup(), true);
	distributionGroupList.addListSelectionListener(e -> {
		if (! e.getValueIsAdjusting()) {
			guiModel.setDistributionGroup(distributionGroupList.getSelectedValue());
			updateMainPanel();
		}
	});
	
	final JPanel panel = new JPanel();
	panel.setLayout(new BorderLayout());
	panel.add(distributionGroupList, BorderLayout.CENTER);

	final JButton reloadItem = new JButton("Reload");
	reloadItem.addActionListener((e) ->  {
			refreshDistributionGroups(listModel);
			updateMainPanel();
	});
	panel.add(reloadItem, BorderLayout.SOUTH);

	return panel;
}
 

/**
 * Init top screen
 */
protected void initTopScreenUI(JComponent p) {
	p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));

	// Label
	lModeSelect = new JLabel(getUIText("Top_ModeSelect"));
	lModeSelect.setAlignmentX(0f);
	p.add(lModeSelect);

	// Mode & rule select panel
	JPanel subpanelModeSelect = new JPanel(new BorderLayout());
	subpanelModeSelect.setBorder(new EtchedBorder());
	subpanelModeSelect.setAlignmentX(0f);
	p.add(subpanelModeSelect);

	// * Mode select listbox
	listboxMode = new JList(modeList);
	listboxMode.addMouseListener(new ListboxModeMouseAdapter());
	listboxMode.addListSelectionListener(new ListSelectionListener() {
		public void valueChanged(ListSelectionEvent e) {
			String strMode = (String)listboxMode.getSelectedValue();
			lModeSelect.setText(getModeDesc(strMode));
			prepareRuleList(strMode);
		}
	});
	JScrollPane scpaneListboxMode = new JScrollPane(listboxMode);
	scpaneListboxMode.setPreferredSize(new Dimension(280, 375));
	subpanelModeSelect.add(scpaneListboxMode, BorderLayout.WEST);

	// * Rule select listbox
	listmodelRule = new DefaultListModel();
	listboxRule = new JList(listmodelRule);
	listboxRule.addMouseListener(new ListboxModeMouseAdapter());
	JScrollPane scpaneListBoxRule = new JScrollPane(listboxRule);
	scpaneListBoxRule.setPreferredSize(new Dimension(150, 375));
	subpanelModeSelect.add(scpaneListBoxRule, BorderLayout.CENTER);

	// * Set default selected index
	listboxMode.setSelectedValue(propGlobal.getProperty("name.mode", ""), true);
	if(listboxMode.getSelectedIndex() == -1) listboxMode.setSelectedIndex(0);
	prepareRuleList((String)listboxMode.getSelectedValue());

	// Start button
	JButton buttonStartOffline = new JButton(getUIText("Top_StartOffline"));
	buttonStartOffline.setMnemonic('S');
	buttonStartOffline.addActionListener(this);
	buttonStartOffline.setActionCommand("Top_StartOffline");
	buttonStartOffline.setAlignmentX(0f);
	buttonStartOffline.setMaximumSize(new Dimension(Short.MAX_VALUE, buttonStartOffline.getMaximumSize().height));
	p.add(buttonStartOffline);
	this.getRootPane().setDefaultButton(buttonStartOffline);

	// Menu
	initMenu();
}