private LegendItem createFlankedShapeLegendItem(
String label,
double minValue,
double maxValue,
Shape itemShape,
Paint shapeFillPaint,
boolean shapeOutlineVisible,
DateFormat dateFormat) {
// configure legend item
String description = "";
String toolTipText = "";
String urlText = "";
boolean shapeVisible = true;
boolean shapeFilled = true;
Paint outlinePaint = Color.BLACK;
Stroke outlineStroke = DEFAULT_OUTLINE_STROKE;
boolean lineVisible = false;
Shape line = new Line2D.Float();
Stroke lineStroke = new BasicStroke(); // basic stroke is fine here, since continuous legend
// item does not show a line
Paint linePaint = Color.BLACK;
// create legend item
FlankedShapeLegendItem legendItem =
new FlankedShapeLegendItem(
label,
description,
toolTipText,
urlText,
shapeVisible,
itemShape,
shapeFilled,
shapeFillPaint,
shapeOutlineVisible,
outlinePaint,
outlineStroke,
lineVisible,
line,
lineStroke,
linePaint);
if (dateFormat != null) {
legendItem.setLeftShapeLabel(dateFormat.format(new Date((long) minValue)));
legendItem.setRightShapeLabel(dateFormat.format(new Date((long) maxValue)));
} else {
// set intelligently rounded strings as labels
int powerOf10 = DataStructureUtils.getOptimalPrecision(minValue, maxValue);
legendItem.setLeftShapeLabel(DataStructureUtils.getRoundedString(minValue, powerOf10 - 1));
legendItem.setRightShapeLabel(DataStructureUtils.getRoundedString(maxValue, powerOf10 - 1));
}
return legendItem;
}
/**
* @param valueGroups
* @param valuesAreDates
* <p>TODO use param valuesAreDates
*/
protected void applyAdaptiveVisualRounding(List<ValueRange> valueGroups, boolean valuesAreDates) {
if (valuesAreDates) {
DateFormat dateFormat = getDateFormat();
for (ValueRange range : valueGroups) {
NumericalValueRange numericalValueRange = (NumericalValueRange) range;
numericalValueRange.setDateFormat(dateFormat);
}
} else {
// values are not dates
// first pass
NumericalValueRange previous = null;
NumericalValueRange current = null;
NumericalValueRange next = null;
for (ValueRange valueGroup : valueGroups) {
next = (NumericalValueRange) valueGroup;
if (previous != null) {
int precisionLower =
Math.min(
DataStructureUtils.getOptimalPrecision(
current.getLowerBound(), current.getUpperBound()),
DataStructureUtils.getOptimalPrecision(
previous.getLowerBound(), current.getLowerBound()));
int precisionUpper =
Math.min(
DataStructureUtils.getOptimalPrecision(
current.getLowerBound(), current.getUpperBound()),
DataStructureUtils.getOptimalPrecision(
current.getUpperBound(), next.getUpperBound()));
if (precisionUpper >= Integer.MAX_VALUE) {
precisionUpper = precisionLower;
}
current.setVisualPrecision(precisionLower, precisionUpper);
} else if (current != null) {
int precisionLower =
DataStructureUtils.getOptimalPrecision(
current.getLowerBound(), current.getUpperBound());
int precisionUpper =
Math.min(
DataStructureUtils.getOptimalPrecision(
current.getLowerBound(), current.getUpperBound()),
DataStructureUtils.getOptimalPrecision(
current.getUpperBound(), next.getUpperBound()));
if (precisionUpper >= Integer.MAX_VALUE) {
precisionUpper = precisionLower;
}
current.setVisualPrecision(precisionLower, precisionUpper);
}
previous = current;
current = next;
}
if (previous != null) {
// even if eclipse states that this code is dead, it is not! (eclipse bug)
int precisionLower =
Math.min(
DataStructureUtils.getOptimalPrecision(
current.getLowerBound(), current.getUpperBound()),
DataStructureUtils.getOptimalPrecision(
previous.getLowerBound(), current.getLowerBound()));
int precisionUpper =
DataStructureUtils.getOptimalPrecision(
current.getLowerBound(), current.getUpperBound());
if (precisionUpper >= Integer.MAX_VALUE) {
precisionUpper = precisionLower;
}
current.setVisualPrecision(precisionLower, precisionUpper);
} else if (current != null) {
int precision =
DataStructureUtils.getOptimalPrecision(
current.getLowerBound(), current.getUpperBound());
current.setVisualPrecision(precision, precision);
}
// // second pass
// current = null;
// next = null;
// for (ValueRange valueGroup : valueGroups ) {
// next = (NumericalValueRange)valueGroup;
// if (current != null) {
// int currentPrecision = current.getUpperPrecision();
// int nextPrecision = next.getLowerPrecision();
// int precision = Math.min(nextPrecision, currentPrecision);
// current.setUpperPrecision(precision);
// next.setLowerPrecision(precision);
// }
// current = next;
// }
}
}