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

public ListPanel(FilterModel fltrmodel, Function<T, String> mapper) {
    setLayout(new java.awt.BorderLayout());
    JScrollPane sp = new javax.swing.JScrollPane();
    list = new JList();
    list.setModel(fltrmodel);
    list.setCellRenderer(new CheckBoxListRenderer(mapper));
    sp.setViewportView(list);
    add(sp, BorderLayout.CENTER);
    list.setSelectionModel(new MultiSelectionModel(this::onSelect));
    list.addKeyListener(onDelete());
    list.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke("ctrl A"), "SelectAll");
    list.getActionMap().put("SelectAll", new AbstractAction() {
        @Override
        public void actionPerformed(ActionEvent ae) {
            list.setSelectionInterval(0, list.getModel().getSize() - 1);
        }
    });
}
 

private void initUI() {
    categoriesModel = new CategoriesListModel();
    categoriesSelection = new CategoriesSelectionModel();
    
    scrollIncrement = new JCheckBox("XXX").getPreferredSize().height; // NOI18N
    
    JList<ProfilerOptionsPanel> categoriesList = new JList<ProfilerOptionsPanel>(categoriesModel) {
        public Dimension getPreferredSize() {
            Dimension dim = super.getPreferredSize();
            dim.width = Math.max(dim.width + 20, 140);
            return dim;
        }
    };
    categoriesList.setVisibleRowCount(0);
    categoriesList.setSelectionModel(categoriesSelection);
    categoriesList.setCellRenderer(new DefaultListCellRenderer() {
        public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
            String panelName = " " + ((ProfilerOptionsPanel)value).getDisplayName() + " "; // NOI18N
            return super.getListCellRendererComponent(list, panelName, index, isSelected, cellHasFocus);
        }
    });
    
    JScrollPane categoriesScroll = new JScrollPane(categoriesList);
    
    JLabel categoriesLabel = new JLabel();
    categoriesLabel.setHorizontalAlignment(JLabel.LEADING);
    Mnemonics.setLocalizedText(categoriesLabel, Bundle.ProfilerOptionsContainer_Categories());
    categoriesLabel.setLabelFor(categoriesList);
    int labelOffset = 6;
    
    JPanel categoriesPanel = new JPanel(new BorderLayout(0, labelOffset));
    categoriesPanel.add(categoriesLabel, BorderLayout.NORTH);
    categoriesPanel.add(categoriesScroll, BorderLayout.CENTER);
    
    content = new JPanel(new BorderLayout());
    content.setBorder(BorderFactory.createEmptyBorder(categoriesLabel.getPreferredSize().height + labelOffset, 11, 0, 0));
    content.setMinimumSize(new Dimension(0, 0));
    content.setPreferredSize(new Dimension(0, 0));
    
    setLayout(new BorderLayout());
    add(categoriesPanel, BorderLayout.WEST);
    add(content, BorderLayout.CENTER);
}
 

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);
}