java实现tab可关闭（chrome风格）

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* @author zhangtaopackage zht.tab.demo;import java.awt.BorderLayout;public class TabDemo extends JPanel {public static void main(String[] args) {ZHTUtils.showComponentInFrame(new TabDemo());}public TabDemo() {initGUI();}private ZHTTabbedPane pane = new ZHTChromeTabbedPane();private TabConfigDialog configDialog = new TabConfigDialog(pane);private void initGUI() {pane.setTabWidth(180);initTabPane();initTabPopupMenu();this.setLayout(new BorderLayout());this.add(pane, BorderLayout.CENTER);}private void initTabPopupMenu() {pane.setPopMenuGenerator(new TabPopupMenuGenerator() {public JPopupMenu generate(ZHTTabbedPane zhtTabbedPane, MouseEvent mouseEvent) {JPopupMenu menu = new JPopupMenu();final Tab currentTab = pane.getMouseOverTab();final List tabList = new ArrayList(pane.getTabList());final int index = tabList.indexOf(currentTab);final int size = tabList.size();JMenuItem item;if (currentTab != null) {item = createMenuItem("Close Tab", new ActionListener() {public void actionPerformed(ActionEvent e) {pane.closeTab(currentTab);}});menu.add(item);item = createMenuItem("Close other tabs", new ActionListener() {public void actionPerformed(ActionEvent e) {List removeList = new ArrayList();for (int i = 0; i < size; i++) {Tab tab = (Tab) tabList.get(i);if (tab != currentTab) {removeList.add(tab);}}int rsize = removeList.size();for (int i = 0; i < rsize; i++) {Tab tab = (Tab) removeList.get(i);pane.closeTab(tab);}}});if (size == 1) {item.setEnabled(false);}menu.add(item);item = createMenuItem("Close tabs to the left", new ActionListener() {public void actionPerformed(ActionEvent e) {List removeList = new ArrayList();for (int i = index - 1; i >= 0; i--) {Tab tab = (Tab) tabList.get(i);removeList.add(tab);}int rsize = removeList.size();for (int i = 0; i < rsize; i++) {Tab tab = (Tab) removeList.get(i);pane.closeTab(tab);}}});if (index == 0) {item.setEnabled(false);}menu.add(item);item = createMenuItem("Close tabs to the right", new ActionListener() {public void actionPerformed(ActionEvent e) {for (int i = size - 1; i > index; i--) {pane.closeTab(i);}}});if (index == tabList.size() - 1) {item.setEnabled(false);}menu.add(item);menu.addSeparator();}item = createMenuItem("Config", new ActionListener() {public void actionPerformed(ActionEvent e) {configDialog.setVisible(true);}});menu.add(item);menu.addSeparator();item = createMenuItem("About", new ActionListener() {public void actionPerformed(ActionEvent e) {}});menu.add(item);return menu;}});}private JMenuItem createMenuItem(String label, ActionListener listener) {final JMenuItem item = new JMenuItem(label);if (listener != null) {item.addActionListener(listener);}item.setOpaque(false);return item;}private void initTabPane() {ImagePanel panel = new ImagePanel(new ImageIcon(this.getClass().getResource("google.png")));Icon icon = new ImageIcon(this.getClass().getResource("1.png"));Tab tab = new Tab(panel, false, icon, "GoogleZH");pane.addTab(tab, true);panel = new ImagePanel(new ImageIcon(this.getClass().getResource("googleen.png")));icon = new ImageIcon(this.getClass().getResource("2.png"));tab = new Tab(panel, true, icon, "GoogleEN");pane.addTab(tab);panel = new ImagePanel(new ImageIcon(this.getClass().getResource("googlenews.png")));icon = new ImageIcon(this.getClass().getResource("3.png"));tab = new Tab(panel, true, icon, "GoogleNews");pane.addTab(tab);panel = new ImagePanel(new ImageIcon(this.getClass().getResource("micro.png")));icon = new ImageIcon(this.getClass().getResource("1.png"));tab = new Tab(panel, true, icon, "Micro");pane.addTab(tab);panel = new ImagePanel(new ImageIcon(this.getClass().getResource("msn.png")));icon = new ImageIcon(this.getClass().getResource("2.png"));tab = new Tab(panel, true, icon, "MSN");pane.addTab(tab);pane.setBackgroundImage(new ImageIcon(this.getClass().getResource("back.jpg")).getImage());}}class ImagePanel extends JComponent {ImageIcon image;public ImagePanel(ImageIcon image) {this.image = image;}protected void paintComponent(Graphics g) {super.paintComponent(g);g.drawImage(image.getImage(), 0, 0, this);}}

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