private void drawSections() {
if (sections.isEmpty()) return;
sectionLayer.getChildren().clear();
double centerX = width * 0.5;
double centerY = height * 0.85;
double barRadius = height * 0.54210526;
double barWidth = width * 0.28472222;
for (Section section : sections) {
Arc sectionBar =
new Arc(
centerX,
centerY,
barRadius,
barRadius,
angleRange * 0.5 + 90 - (section.getStart() * angleStep),
-((section.getStop() - section.getStart()) - minValue) * angleStep);
sectionBar.setType(ArcType.OPEN);
sectionBar.setStroke(section.getColor());
sectionBar.setStrokeWidth(barWidth);
sectionBar.setStrokeLineCap(StrokeLineCap.BUTT);
sectionBar.setFill(null);
Tooltip sectionTooltip =
new Tooltip(
new StringBuilder(section.getText())
.append("\n")
.append(String.format(Locale.US, "%.2f", section.getStart()))
.append(" - ")
.append(String.format(Locale.US, "%.2f", section.getStop()))
.toString());
sectionTooltip.setTextAlignment(TextAlignment.CENTER);
Tooltip.install(sectionBar, sectionTooltip);
sectionLayer.getChildren().add(sectionBar);
}
}
// ******************** Initialization ************************************
private void initGraphics() {
// Set initial size
if (Double.compare(getSkinnable().getPrefWidth(), 0.0) <= 0
|| Double.compare(getSkinnable().getPrefHeight(), 0.0) <= 0
|| Double.compare(getSkinnable().getWidth(), 0.0) <= 0
|| Double.compare(getSkinnable().getHeight(), 0.0) <= 0) {
if (getSkinnable().getPrefWidth() > 0 && getSkinnable().getPrefHeight() > 0) {
getSkinnable().setPrefSize(getSkinnable().getPrefWidth(), getSkinnable().getPrefHeight());
} else {
getSkinnable().setPrefSize(PREFERRED_WIDTH, PREFERRED_HEIGHT);
}
}
barBackground =
new Arc(
PREFERRED_WIDTH * 0.5,
PREFERRED_HEIGHT * 0.696,
PREFERRED_WIDTH * 0.275,
PREFERRED_WIDTH * 0.275,
angleRange * 0.5 + 90,
-angleRange);
barBackground.setType(ArcType.OPEN);
barBackground.setStroke(getSkinnable().getBarBackgroundColor());
barBackground.setStrokeWidth(PREFERRED_WIDTH * 0.02819549 * 2);
barBackground.setStrokeLineCap(StrokeLineCap.BUTT);
barBackground.setFill(null);
sectionLayer = new Pane();
sectionLayer.setBackground(
new Background(new BackgroundFill(Color.TRANSPARENT, CornerRadii.EMPTY, Insets.EMPTY)));
bar =
new Arc(
PREFERRED_WIDTH * 0.5,
PREFERRED_HEIGHT * 0.696,
PREFERRED_WIDTH * 0.275,
PREFERRED_WIDTH * 0.275,
angleRange * 0.5 + 90,
0);
bar.setType(ArcType.OPEN);
bar.setStroke(getSkinnable().getBarColor());
bar.setStrokeWidth(PREFERRED_WIDTH * 0.02819549 * 2);
bar.setStrokeLineCap(StrokeLineCap.BUTT);
bar.setFill(null);
// bar.setMouseTransparent(sectionsAlwaysVisible ? true : false);
bar.setVisible(!sectionsAlwaysVisible);
needleRotate = new Rotate((getSkinnable().getValue() - oldValue - minValue) * angleStep);
needleMoveTo1 = new MoveTo();
needleCubicCurveTo2 = new CubicCurveTo();
needleCubicCurveTo3 = new CubicCurveTo();
needleCubicCurveTo4 = new CubicCurveTo();
needleCubicCurveTo5 = new CubicCurveTo();
needleCubicCurveTo6 = new CubicCurveTo();
needleCubicCurveTo7 = new CubicCurveTo();
needleClosePath8 = new ClosePath();
needle =
new Path(
needleMoveTo1,
needleCubicCurveTo2,
needleCubicCurveTo3,
needleCubicCurveTo4,
needleCubicCurveTo5,
needleCubicCurveTo6,
needleCubicCurveTo7,
needleClosePath8);
needle.setFillRule(FillRule.EVEN_ODD);
needle.getTransforms().setAll(needleRotate);
needle.setFill(getSkinnable().getNeedleColor());
needle.setPickOnBounds(false);
needle.setStrokeType(StrokeType.INSIDE);
needle.setStrokeWidth(1);
needle.setStroke(getSkinnable().getBackgroundPaint());
needleTooltip = new Tooltip(String.format(locale, formatString, getSkinnable().getValue()));
needleTooltip.setTextAlignment(TextAlignment.CENTER);
Tooltip.install(needle, needleTooltip);
minValueText =
new Text(
String.format(
locale,
"%." + getSkinnable().getTickLabelDecimals() + "f",
getSkinnable().getMinValue()));
minValueText.setFill(getSkinnable().getTitleColor());
Helper.enableNode(minValueText, getSkinnable().getTickLabelsVisible());
maxValueText =
new Text(
String.format(
locale,
"%." + getSkinnable().getTickLabelDecimals() + "f",
getSkinnable().getMaxValue()));
maxValueText.setFill(getSkinnable().getTitleColor());
Helper.enableNode(maxValueText, getSkinnable().getTickLabelsVisible());
titleText = new Text(getSkinnable().getTitle());
titleText.setFill(getSkinnable().getTitleColor());
Helper.enableNode(titleText, !getSkinnable().getTitle().isEmpty());
if (!sections.isEmpty() && sectionsVisible && !sectionsAlwaysVisible) {
barTooltip = new Tooltip();
barTooltip.setTextAlignment(TextAlignment.CENTER);
Tooltip.install(bar, barTooltip);
}
pane =
new Pane(barBackground, sectionLayer, bar, needle, minValueText, maxValueText, titleText);
pane.setBorder(
new Border(
new BorderStroke(
getSkinnable().getBorderPaint(),
BorderStrokeStyle.SOLID,
CornerRadii.EMPTY,
new BorderWidths(getSkinnable().getBorderWidth()))));
pane.setBackground(
new Background(
new BackgroundFill(
getSkinnable().getBackgroundPaint(), CornerRadii.EMPTY, Insets.EMPTY)));
getChildren().setAll(pane);
}