protected boolean evaluateElement(final ReportElement e) {
// only if needed ...
configureDefaultBehaviour();
if (ObjectUtilities.equal(e.getName(), getElement())) {
final Color color = computeColor();
if (defineBackground) {
e.getStyle().setStyleProperty(ElementStyleKeys.BACKGROUND_COLOR, color);
} else {
e.getStyle().setStyleProperty(ElementStyleKeys.PAINT, color);
}
return true;
}
return false;
}
private static boolean isEmptyElement(
final ReportElement band, final StyleSheet style, final OutputProcessorMetaData metaData) {
if (isControlBand(style)) {
return false;
}
if (metaData.isFeatureSupported(OutputProcessorFeature.STRICT_COMPATIBILITY)) {
if (band instanceof Band) {
final Band b = (Band) band;
if (b.getElementCount() > 0) {
return false;
}
}
}
if (BandStyleKeys.LAYOUT_AUTO.equals(style.getStyleProperty(BandStyleKeys.LAYOUT))) {
// A auto-band is considered empty.
return true;
}
// A band is not empty, if it has a defined minimum or preferred height
if (isLengthDefined(ElementStyleKeys.HEIGHT, style)) {
return false;
}
if (isLengthDefined(ElementStyleKeys.WIDTH, style)) {
return false;
}
if (isLengthDefined(ElementStyleKeys.POS_Y, style)) {
return false;
}
if (isLengthDefined(ElementStyleKeys.POS_X, style)) {
return false;
}
if (isLengthDefined(ElementStyleKeys.MIN_HEIGHT, style)) {
return false;
}
if (isLengthDefined(ElementStyleKeys.MIN_WIDTH, style)) {
return false;
}
if (isLengthDefined(ElementStyleKeys.PADDING_TOP, style)) {
return false;
}
if (isLengthDefined(ElementStyleKeys.PADDING_LEFT, style)) {
return false;
}
if (isLengthDefined(ElementStyleKeys.PADDING_BOTTOM, style)) {
return false;
}
if (isLengthDefined(ElementStyleKeys.PADDING_RIGHT, style)) {
return false;
}
if (BorderStyle.NONE.equals(
style.getStyleProperty(ElementStyleKeys.BORDER_BOTTOM_STYLE, BorderStyle.NONE))
== false) {
return false;
}
if (BorderStyle.NONE.equals(
style.getStyleProperty(ElementStyleKeys.BORDER_TOP_STYLE, BorderStyle.NONE))
== false) {
return false;
}
if (BorderStyle.NONE.equals(
style.getStyleProperty(ElementStyleKeys.BORDER_LEFT_STYLE, BorderStyle.NONE))
== false) {
return false;
}
if (BorderStyle.NONE.equals(
style.getStyleProperty(ElementStyleKeys.BORDER_RIGHT_STYLE, BorderStyle.NONE))
== false) {
return false;
}
if (style.getStyleProperty(ElementStyleKeys.BACKGROUND_COLOR) != null) {
return false;
}
if (metaData.isExtraContentElement(band.getStyle(), band.getAttributes())) {
return false;
}
return true;
}