Example usage for javax.swing ScrollPaneLayout ScrollPaneLayout

Introduction

In this page you can find the example usage for javax.swing ScrollPaneLayout ScrollPaneLayout.

Prototype

ScrollPaneLayout

Source Link

Usage

From source file:Main.java

public static void main(String[] args) {
    JTextArea cmp = new JTextArea();
    String str = "a";
    for (int i = 0; i < 20; i++) {
        cmp.append(str + str + "\n");
    }/* www  . j a v a  2  s .  c  om*/
    JScrollPane scrollPane = new JScrollPane(cmp);
    scrollPane.setComponentZOrder(scrollPane.getVerticalScrollBar(), 0);
    scrollPane.setComponentZOrder(scrollPane.getViewport(), 1);
    scrollPane.getVerticalScrollBar().setOpaque(false);

    scrollPane.setLayout(new ScrollPaneLayout() {
        @Override
        public void layoutContainer(Container parent) {
            JScrollPane scrollPane = (JScrollPane) parent;

            Rectangle availR = scrollPane.getBounds();
            availR.x = availR.y = 0;

            Insets parentInsets = parent.getInsets();
            availR.x = parentInsets.left;
            availR.y = parentInsets.top;
            availR.width -= parentInsets.left + parentInsets.right;
            availR.height -= parentInsets.top + parentInsets.bottom;

            Rectangle vsbR = new Rectangle();
            vsbR.width = 12;
            vsbR.height = availR.height;
            vsbR.x = availR.x + availR.width - vsbR.width;
            vsbR.y = availR.y;

            if (viewport != null) {
                viewport.setBounds(availR);
            }
            if (vsb != null) {
                vsb.setVisible(true);
                vsb.setBounds(vsbR);
            }
        }
    });
    scrollPane.getVerticalScrollBar().setUI(new MyScrollBarUI());

    JFrame f = new JFrame();
    f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    f.getContentPane().add(scrollPane);
    f.setSize(320, 240);
    f.setVisible(true);
}

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From source file:Main.java

/**
 * @param scrollPane/*from  w  w  w.j  a v  a2  s .c  o m*/
 * @return
 */
public static GridBagConstraints initScrollPane(JScrollPane scrollPane) {
    scrollPane.setLayout(new ScrollPaneLayout());
    scrollPane.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));
    GridBagConstraints gb = new GridBagConstraints();
    gb.gridx = 0;
    gb.gridy = 0;
    gb.insets = new Insets(2, 2, 2, 2);
    return gb;
}

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