Example usage for javax.swing.plaf.basic BasicButtonUI BasicButtonUI

Introduction

In this page you can find the example usage for javax.swing.plaf.basic BasicButtonUI BasicButtonUI.

Prototype

BasicButtonUI

Source Link

Usage

From source file:it.iit.genomics.cru.igb.bundles.mi.business.MIWorker.java

/**
 * Adds a component to a JTabbedPane with a little close tab" button on the
 * right side of the tab.//from w  ww.  jav a 2 s.  c  o  m
 *
 * @param tabbedPane
 *            the JTabbedPane
 * @param c
 *            any JComponent
 * @param title
 *            the title for the tab
 */
public static void addClosableTab(final JTabbedPane tabbedPane, final JComponent c, final String title) {
    // Add the tab to the pane without any label
    tabbedPane.addTab(null, c);
    int pos = tabbedPane.indexOfComponent(c);

    // Create a FlowLayout that will space things 5px apart
    FlowLayout f = new FlowLayout(FlowLayout.CENTER, 5, 0);

    // Make a small JPanel with the layout and make it non-opaque
    JPanel pnlTab = new JPanel(f);
    pnlTab.setOpaque(false);

    // Add a JLabel with title and the left-side tab icon
    JLabel lblTitle = new JLabel(title);

    // Create a JButton for the close tab button
    JButton btnClose = new JButton("x");
    // btnClose.setOpaque(false);
    int size = 17;
    btnClose.setPreferredSize(new Dimension(size, size));
    btnClose.setToolTipText("close this tab");
    // Make the button looks the same for all Laf's
    btnClose.setUI(new BasicButtonUI());
    // Make it transparent
    btnClose.setContentAreaFilled(false);
    // No need to be focusable
    btnClose.setFocusable(false);
    btnClose.setBorder(BorderFactory.createEtchedBorder());
    btnClose.setBorderPainted(false);
    // Making nice rollover effect
    // we use the same listener for all buttons
    btnClose.setRolloverEnabled(true);
    // Close the proper tab by clicking the button

    // Configure icon and rollover icon for button
    btnClose.setRolloverEnabled(true);

    // Set border null so the button doesnt make the tab too big
    btnClose.setBorder(null);
    // Make sure the button cant get focus, otherwise it looks funny
    btnClose.setFocusable(false);

    // Put the panel together
    pnlTab.add(lblTitle);
    pnlTab.add(btnClose);

    // Add a thin border to keep the image below the top edge of the tab
    // when the tab is selected
    pnlTab.setBorder(BorderFactory.createEmptyBorder(2, 0, 0, 0));
    // Now assign the component for the tab
    tabbedPane.setTabComponentAt(pos, pnlTab);

    // Add the listener that removes the tab
    ActionListener listener = new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            if (JOptionPane.showConfirmDialog(new JFrame(),
                    "Are you sure you want to remove this tab? All results will be lost!", "Remove tab",
                    JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION) {
                tabbedPane.remove(c);
            }
        }
    };
    btnClose.addActionListener(listener);

    // Optionally bring the new tab to the front
    tabbedPane.setSelectedComponent(c);

}

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