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

public void init() {
	setLayout(new BoxLayout(this, BoxLayout.LINE_AXIS));
	tableIcon = FormUtils.getIcon(tableIcon, DEFAULT_TABLE_ICON);
	for (PanelHolder p : panels)
		p.getPanel().setBorder(BorderFactory.createEmptyBorder(5, 5, 0, 5));
		
	list = new JList(new ListListModel(panels));
	list.setBorder(BorderFactory.createEmptyBorder(5, 5	, 5, 5));
	list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
	list.setVisibleRowCount(-1);
	list.addListSelectionListener(this);
	list.setCellRenderer(renderer);
	list.setSelectedIndex(0);
	
	if (cellHeight != 0)
		list.setFixedCellHeight(cellHeight);
	
	JScrollPane scroll = new JScrollPane(list);
	split = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, scroll, editorPanel);
	split.setResizeWeight(0);
	split.setDividerLocation(150);
	add(split);
}
 

@Override
public JComponent getGUIComponent() {
    JTable table = new JTable(model.table);
    table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
    JScrollPane scroll = new JScrollPane(table);
    JList rowHeader = new JList(model.list);
    rowHeader.setFixedCellHeight(table.getRowHeight());
    rowHeader.setCellRenderer(new RowHeaderRenderer(table));
    rowHeader.setBackground(table.getBackground());
    rowHeader.setOpaque(true);
    scroll.setRowHeaderView(rowHeader);
    return scroll;
}
 

/**
 * Creates a new JList for a given source of a configurable
 *
 * @param source
 *            can be null for local configurables, otherwise name of the source
 * @return the created JList
 */
private JList<Configurable> createNewConfigurableJList(String source) {

	final JList<Configurable> createdConfigList = new JList<>();
	createdConfigList.setModel(source == null ? localConfigListModel : remoteConfigListModels.get(source));
	createdConfigList.setCellRenderer(new ConfigurableRenderer());
	createdConfigList.setFixedCellHeight(40);
	createdConfigList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
	createdConfigList.setBackground(LIGHTER_GRAY);

	return createdConfigList;
}
 

/**
 * Creates a new JList for info labels of a source
 *
 * @param source
 *            can be null for local source, otherwise name of the source
 * @return the created JList
 */
private JList<String> createNewInfoLabelJList(String source) {
	final JList<String> createdInfoLabelList = new JList<>();
	createdInfoLabelList.setModel(source == null ? localInfoLabelListModel : remoteInfoLabelListModels.get(source));
	createdInfoLabelList.setCellRenderer(new ConfigurableInfoLabelRenderer());
	createdInfoLabelList.setFixedCellHeight(20);
	createdInfoLabelList.setBackground(LIGHTER_GRAY);
	return createdInfoLabelList;
}
 

private JList<String> logFilesList() {
	
	
	file = new File(System.getProperty("user.dir") + File.separator + "Logging Store/");
	
	final JFileChooser fileChooser = new JFileChooser();
	fileChooser.setCurrentDirectory(file);
	fileChooser.setMultiSelectionEnabled(true);

	final DefaultListModel<String> model = new DefaultListModel<String>();
	
	final JList<String> list = new JList<String>(model);
	list.setPreferredSize(new Dimension(85, 480));
	list.setFont(new Font("Dialog", Font.PLAIN, 12));
	list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
	list.setSelectedIndex(0);
	list.setFixedCellHeight(18);
	list.addMouseListener(new MouseAdapter() {
		@Override
		public void mousePressed(MouseEvent e) {
			if (e.getClickCount() == 2) {
				selectedItem = list.getSelectedValue();
				getSelectedFileName();
			}
		}
	});
	
	list.setCellRenderer(new LogRecordsListRenderer());

	File[] selectedFiles = fileChooser.getCurrentDirectory().listFiles();

	for (File f : selectedFiles) {
		if (f.getName().indexOf(".log") != -1) {
			model.addElement(f.getName());
		}else {
			continue;
		}
	}
	if(model.isEmpty()) {
		model.addElement("List is empty!");
	}
	
	return list;
}
 

private void initComponents() {
    okButton = new JButton(NbBundle.getMessage(JmxConnectionConfigurator.class, "LBL_OK"));    // NOI18N

    hintLabel = new JLabel("") { // NOI18N
        public Dimension getPreferredSize() {
            Dimension d = super.getPreferredSize();
            d.height = Math.max(d.height, okButton.getPreferredSize().height);
            return d;
        }
    };
    hintLabel.setForeground(UIManager.getColor("Label.disabledForeground")); // NOI18N

    setLayout(new BorderLayout());

    connectionTypeLabel = new JLabel();
    Mnemonics.setLocalizedText(connectionTypeLabel,
            NbBundle.getMessage(JmxConnectionConfigurator.class, "LBL_Connection_type")); // NOI18N
    createBorder(connectionTypeLabel, BorderFactory.createEmptyBorder(15, 10, 0, 10));
    add(connectionTypeLabel, BorderLayout.NORTH);

    connectionTypeListModel = new DefaultListModel();
    connectionTypeList = new JList(connectionTypeListModel) {
        public String getToolTipText(MouseEvent evt) {
            JmxConnectionCustomizer cust = getCustomizer(evt.getPoint());
            return cust == null ? null : cust.getPropertiesDescription();
        }

    };
    connectionTypeLabel.setLabelFor(connectionTypeList);
    connectionTypeList.setSelectionModel(new DefaultListSelectionModel() {
        public void removeSelectionInterval(int i1, int i2) {}
    });
    connectionTypeList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    final ListCellRenderer defaultRenderer = connectionTypeList.getCellRenderer();
    Component c = defaultRenderer.getListCellRendererComponent(connectionTypeList, "X", 0, false, false); // NOI18N
    connectionTypeList.setFixedCellHeight(c.getPreferredSize().height + 2);
    connectionTypeList.setCellRenderer(new ListCellRenderer() {
        public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
            return defaultRenderer.getListCellRendererComponent(list, " " + value + " ", index, isSelected, cellHasFocus); // NOI18N
        }
    });
    connectionTypeScroll = new JScrollPane(connectionTypeList,
                                JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
                                JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED) {
        public Dimension getPreferredSize() {
            Dimension preferredSize = super.getPreferredSize();
            preferredSize.width = Math.min(preferredSize.width, 300);
            preferredSize.width = Math.max(preferredSize.width, 120);
            return preferredSize;
        }
    };
    createBorder(connectionTypeScroll, BorderFactory.createEmptyBorder(5, 10, 0, 0));
    add(connectionTypeScroll, BorderLayout.WEST);

    customizerPanel = new JPanel(new BorderLayout());
    customizerPanel.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 5));
    customizerPanelScroll = new ScrollableContainer(customizerPanel,
            ScrollableContainer.VERTICAL_SCROLLBAR_AS_NEEDED,
            ScrollableContainer.HORIZONTAL_SCROLLBAR_NEVER);
    customizerPanelScroll.setBorder(BorderFactory.createEmptyBorder(10, 10, 0, 5));
    add(customizerPanelScroll, BorderLayout.CENTER);
}