Example usage for javax.swing JScrollBar JScrollBar

Introduction

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

Prototype

public JScrollBar(int orientation)

Source Link

Document

Creates a scrollbar with the specified orientation and the following initial values:

 minimum = 0 maximum = 100 value = 0 extent = 10

Usage

From source file:org.yccheok.jstock.gui.AjaxAutoCompleteJComboBox.java

private void adjustScrollBar() {
    final int max_search = 8;
    // i < max_search is just a safe guard when getAccessibleChildrenCount
    // returns an arbitary large number. 8 is magic number
    JPopupMenu popup = null;//  w  ww. j a v  a 2  s . c om
    for (int i = 0, count = this.getUI().getAccessibleChildrenCount(this); i < count && i < max_search; i++) {
        Object o = this.getUI().getAccessibleChild(this, i);
        if (o instanceof JPopupMenu) {
            popup = (JPopupMenu) o;
            break;
        }
    }
    if (popup == null) {
        return;
    }
    JScrollPane scrollPane = null;
    for (int i = 0, count = popup.getComponentCount(); i < count && i < max_search; i++) {
        Component c = popup.getComponent(i);
        if (c instanceof JScrollPane) {
            scrollPane = (JScrollPane) c;
            break;
        }
    }
    if (scrollPane == null) {
        return;
    }
    scrollPane.setHorizontalScrollBar(new JScrollBar(JScrollBar.HORIZONTAL));
    scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
}