Java Utililty Methods JScrollPane

void addStyle(JScrollPane jScrollPane, String labelName)
add Style

Border line = BorderFactory.createLineBorder(Color.LIGHT_GRAY);
TitledBorder titled = BorderFactory.createTitledBorder(line, labelName);
titled.setTitleFont(new Font("Verdana", 0, 13));
titled.setTitleColor(new Color(213, 225, 185));
Border empty = new EmptyBorder(5, 8, 5, 8);
CompoundBorder border = new CompoundBorder(titled, empty);
jScrollPane.setBorder(border);
jScrollPane.setForeground(new Color(143, 170, 220));
...

void applyCorrectViewPosition(JComponent targetComponent, JScrollPane scrollPane)
apply Correct View Position

try {
 Point point = new Point(0, (int) (targetComponent.getSize().getHeight()));
 JViewport vp = scrollPane.getViewport();
 if (vp == null) {
 return;
 vp.setViewPosition(point);
} catch (Throwable ignored) {
...

void bindHorizontalScrolling(JScrollPane jScrollPane1, JScrollPane jScrollPane2)
bind Horizontal Scrolling

jScrollPane2.getHorizontalScrollBar().setModel(jScrollPane1.getHorizontalScrollBar().getModel());

JScrollPane buildLabeledScroller(String label, Component contents)
build Labeled Scroller

JScrollPane ret = new JScrollPane(contents);
ret.setBorder(buildLabeledBorder(label));
return ret;

JScrollPane createJScrollPane(JComponent component)
create J Scroll Pane

final JScrollPane scrollPane = new JScrollPane();
scrollPane.setViewportView(component);
return scrollPane;

JScrollPane createScrollPane(JComponent content)
creates a scrollpane with the given component embedded.

JScrollPane scrollPane = new JScrollPane(content, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
 ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
return scrollPane;

JScrollPane createSelfManagedScrollPane(final Component view, final JComponent parentToRevalidate)
Creates and returns a scroll panel which wraps the specified view component.
The returned scroll panel disables vertical scroll bar, and only displays the horizontal scroll bar when the view does not fit into the size of the view port.

final JScrollPane scrollPane = new JScrollPane(view);
scrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_NEVER);
scrollPane.getHorizontalScrollBar().setPreferredSize(new Dimension(0, 12)); 
scrollPane.getHorizontalScrollBar().setUnitIncrement(10);
final ComponentListener scrollPaneComponentListener = new ComponentAdapter() {
 @Override
 public void componentResized(final ComponentEvent event) {
 scrollPane.setHorizontalScrollBarPolicy(
...

void defaultAutoScroll(JComponent comp, Point cursorLocn)
Implements autoscrolling.

Rectangle visible = comp.getVisibleRect();
int x = 0, y = 0, width = 0, height = 0;
if (cursorLocn.x < visible.x + AUTOSCROLL_INSET_SIZE) {
 x = -SCROLL_AMOUNT;
 width = SCROLL_AMOUNT;
else if (cursorLocn.x > visible.x + visible.width - AUTOSCROLL_INSET_SIZE) {
 x = visible.width + SCROLL_AMOUNT;
...

Insets defaultGetAutoscrollInsets(JComponent comp)
default Get Autoscroll Insets

Rectangle visible = comp.getVisibleRect();
Dimension size = comp.getSize();
int top = 0, left = 0, bottom = 0, right = 0;
if (visible.y > 0) {
 top = visible.y + AUTOSCROLL_INSET_SIZE;
if (visible.x > 0) {
 left = visible.x + AUTOSCROLL_INSET_SIZE;
...

JScrollPane findScrollPane(Component c)
find Scroll Pane

while (c != null) {
 if (c instanceof JScrollPane) {
 JScrollPane sp = (JScrollPane) c;
 if (((sp.getHorizontalScrollBar() != null) && sp.getHorizontalScrollBar().isVisible())
 || ((sp.getVerticalScrollBar() != null) && sp.getVerticalScrollBar().isVisible())) {
 return sp;
 c = c.getParent();
return null;