/** Checks and answers if we should add a pseudo 3D effect. */
private boolean is3D() {
if (PlasticUtils.force3D(toolBar)) return true;
if (PlasticUtils.forceFlat(toolBar)) return false;
return PlasticUtils.is3D(PROPERTY_PREFIX)
&& (HeaderStyle.from(toolBar) != null)
&& (BorderStyle.from(toolBar, PlasticLookAndFeel.BORDER_STYLE_KEY) != BorderStyle.EMPTY);
}
/**
* Installs a special border, if either a look-dependent <code>BorderStyle</code> or a
* look-independent <code>HeaderStyle</code> has been specified. A look specific <code>BorderStyle
* </code> shadows a <code>HeaderStyle</code>.
*
* <p>Specifying a <code>HeaderStyle</code> is recommend.
*/
private void installSpecialBorder() {
String suffix;
BorderStyle borderStyle = BorderStyle.from(toolBar, PlasticLookAndFeel.BORDER_STYLE_KEY);
if (borderStyle == BorderStyle.EMPTY) suffix = "emptyBorder";
else if (borderStyle == BorderStyle.ETCHED) suffix = "etchedBorder";
else if (borderStyle == BorderStyle.SEPARATOR) suffix = "separatorBorder";
else {
HeaderStyle headerStyle = HeaderStyle.from(toolBar);
if (headerStyle == HeaderStyle.BOTH) suffix = "headerBorder";
else if (headerStyle == HeaderStyle.SINGLE && is3D()) suffix = "etchedBorder";
else suffix = "border";
}
LookAndFeel.installBorder(toolBar, PROPERTY_PREFIX + suffix);
}