下面列出了javafx.scene.control.Tooltip#setTextAlignment ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
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;
List<Arc> sectionBars = new ArrayList<>(sections.size());
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);
sectionBars.add(sectionBar);
}
sectionLayer.getChildren().addAll(sectionBars);
}
public LevelSkin(Gauge gauge) {
super(gauge);
locale = gauge.getLocale();
sections = gauge.getSections();
barTooltip = new Tooltip();
formatString = new StringBuilder("%.").append(Integer.toString(gauge.getDecimals())).append("f%%").toString();
currentValueListener = o -> setBar(gauge.getCurrentValue());
barTooltip.setTextAlignment(TextAlignment.CENTER);
initGraphics();
registerListeners();
}
private void initGraphics() {
// Set initial size
if (Double.compare(gauge.getPrefWidth(), 0.0) <= 0 || Double.compare(gauge.getPrefHeight(), 0.0) <= 0 ||
Double.compare(gauge.getWidth(), 0.0) <= 0 || Double.compare(gauge.getHeight(), 0.0) <= 0) {
if (gauge.getPrefWidth() > 0 && gauge.getPrefHeight() > 0) {
gauge.setPrefSize(gauge.getPrefWidth(), gauge.getPrefHeight());
} else {
gauge.setPrefSize(PREFERRED_WIDTH, PREFERRED_HEIGHT);
}
}
ticksAndSectionsCanvas = new Canvas(PREFERRED_WIDTH, PREFERRED_HEIGHT);
ticksAndSections = ticksAndSectionsCanvas.getGraphicsContext2D();
ledCanvas = new Canvas();
led = ledCanvas.getGraphicsContext2D();
thresholdTooltip = new Tooltip("Threshold\n(" + String.format(locale, formatString, gauge.getThreshold()) + ")");
thresholdTooltip.setTextAlignment(TextAlignment.CENTER);
threshold = new Path();
Helper.enableNode(threshold, gauge.isThresholdVisible());
Tooltip.install(threshold, thresholdTooltip);
average = new Path();
Helper.enableNode(average, gauge.isAverageVisible());
markerPane = new Pane();
needleRotate = new Rotate(180 - START_ANGLE);
needleRotate.setAngle(needleRotate.getAngle() + (gauge.getValue() - oldValue - gauge.getMinValue()) * angleStep);
needleMoveTo1 = new MoveTo();
needleCubicCurveTo2 = new CubicCurveTo();
needleCubicCurveTo3 = new CubicCurveTo();
needleCubicCurveTo4 = new CubicCurveTo();
needleLineTo5 = new LineTo();
needleCubicCurveTo6 = new CubicCurveTo();
needleClosePath7 = new ClosePath();
needle = new Path(needleMoveTo1, needleCubicCurveTo2, needleCubicCurveTo3, needleCubicCurveTo4, needleLineTo5, needleCubicCurveTo6, needleClosePath7);
needle.setFillRule(FillRule.EVEN_ODD);
needle.getTransforms().setAll(needleRotate);
needle.getStyleClass().add("needle");
dropShadow = new DropShadow();
dropShadow.setColor(Color.rgb(0, 0, 0, 0.25));
dropShadow.setBlurType(BlurType.TWO_PASS_BOX);
dropShadow.setRadius(0.015 * PREFERRED_WIDTH);
dropShadow.setOffsetY(0.015 * PREFERRED_WIDTH);
shadowGroup = new Group(needle);
shadowGroup.setEffect(gauge.isShadowsEnabled() ? dropShadow : null);
shadowGroup.getStyleClass().add("shadow-group");
unitText = new Text(gauge.getUnit());
unitText.setMouseTransparent(true);
unitText.setTextOrigin(VPos.CENTER);
unitText.getStyleClass().add("unit");
lcd = new Rectangle(0.3 * PREFERRED_WIDTH, 0.1 * PREFERRED_HEIGHT);
lcd.setArcWidth(0.0125 * PREFERRED_HEIGHT);
lcd.setArcHeight(0.0125 * PREFERRED_HEIGHT);
lcd.relocate((PREFERRED_WIDTH - lcd.getWidth()) * 0.5, 0.66 * PREFERRED_HEIGHT);
lcd.getStyleClass().add("lcd");
Helper.enableNode(lcd, gauge.isLcdVisible() && gauge.isValueVisible());
lcdText = new Label(String.format(locale, "%." + gauge.getDecimals() + "f", gauge.getValue()));
lcdText.setAlignment(Pos.CENTER_RIGHT);
lcdText.setVisible(gauge.isValueVisible());
lcdText.getStyleClass().add("lcd-foreground");
// Set initial value
angleStep = ANGLE_RANGE / gauge.getRange();
double targetAngle = 180 - START_ANGLE + (gauge.getValue() - gauge.getMinValue()) * angleStep;
targetAngle = clamp(180 - START_ANGLE, 180 - START_ANGLE + ANGLE_RANGE, targetAngle);
needleRotate.setAngle(targetAngle);
// Add all nodes
pane = new Pane();
pane.getChildren().setAll(ticksAndSectionsCanvas,
markerPane,
ledCanvas,
unitText,
lcd,
lcdText,
shadowGroup);
pane.getStyleClass().add("background-pane");
getChildren().setAll(pane);
}
private void initGraphics() {
// Set initial size
if (Double.compare(gauge.getPrefWidth(), 0.0) <= 0 || Double.compare(gauge.getPrefHeight(), 0.0) <= 0 ||
Double.compare(gauge.getWidth(), 0.0) <= 0 || Double.compare(gauge.getHeight(), 0.0) <= 0) {
if (gauge.getPrefWidth() > 0 && gauge.getPrefHeight() > 0) {
gauge.setPrefSize(gauge.getPrefWidth(), gauge.getPrefHeight());
} else {
gauge.setPrefSize(PREFERRED_WIDTH, PREFERRED_HEIGHT);
}
}
ticksAndSectionsCanvas = new Canvas(PREFERRED_WIDTH, PREFERRED_HEIGHT);
ticksAndSections = ticksAndSectionsCanvas.getGraphicsContext2D();
ledCanvas = new Canvas();
led = ledCanvas.getGraphicsContext2D();
thresholdTooltip = new Tooltip("Threshold\n(" + String.format(locale, formatString, gauge.getThreshold()) + ")");
thresholdTooltip.setTextAlignment(TextAlignment.CENTER);
threshold = new Path();
Helper.enableNode(threshold, gauge.isThresholdVisible());
Tooltip.install(threshold, thresholdTooltip);
average = new Path();
Helper.enableNode(average, gauge.isAverageVisible());
markerPane = new Pane();
needleRotate = new Rotate(180 - START_ANGLE);
needleRotate.setAngle(needleRotate.getAngle() + (gauge.getValue() - oldValue - gauge.getMinValue()) * angleStep);
needleMoveTo1 = new MoveTo();
needleCubicCurveTo2 = new CubicCurveTo();
needleCubicCurveTo3 = new CubicCurveTo();
needleCubicCurveTo4 = new CubicCurveTo();
needleLineTo5 = new LineTo();
needleCubicCurveTo6 = new CubicCurveTo();
needleClosePath7 = new ClosePath();
needle = new Path(needleMoveTo1, needleCubicCurveTo2, needleCubicCurveTo3, needleCubicCurveTo4, needleLineTo5, needleCubicCurveTo6, needleClosePath7);
needle.setFillRule(FillRule.EVEN_ODD);
needle.getTransforms().setAll(needleRotate);
dropShadow = new DropShadow();
dropShadow.setColor(Color.rgb(0, 0, 0, 0.25));
dropShadow.setBlurType(BlurType.TWO_PASS_BOX);
dropShadow.setRadius(0.015 * PREFERRED_WIDTH);
dropShadow.setOffsetY(0.015 * PREFERRED_WIDTH);
shadowGroup = new Group(needle);
shadowGroup.setEffect(gauge.isShadowsEnabled() ? dropShadow : null);
unitText = new Text(gauge.getUnit());
unitText.setMouseTransparent(true);
unitText.setTextOrigin(VPos.CENTER);
lcd = new Rectangle(0.3 * PREFERRED_WIDTH, 0.1 * PREFERRED_HEIGHT);
lcd.setArcWidth(0.0125 * PREFERRED_HEIGHT);
lcd.setArcHeight(0.0125 * PREFERRED_HEIGHT);
lcd.relocate((PREFERRED_WIDTH - lcd.getWidth()) * 0.5, 0.66 * PREFERRED_HEIGHT);
Helper.enableNode(lcd, gauge.isLcdVisible() && gauge.isValueVisible());
lcdText = new Label(String.format(locale, "%." + gauge.getDecimals() + "f", gauge.getValue()));
lcdText.setAlignment(Pos.CENTER_RIGHT);
lcdText.setVisible(gauge.isValueVisible());
// Set initial value
angleStep = ANGLE_RANGE / gauge.getRange();
double targetAngle = 180 - START_ANGLE + (gauge.getValue() - gauge.getMinValue()) * angleStep;
targetAngle = clamp(180 - START_ANGLE, 180 - START_ANGLE + ANGLE_RANGE, targetAngle);
needleRotate.setAngle(targetAngle);
// Add all nodes
pane = new Pane();
pane.getChildren().setAll(ticksAndSectionsCanvas,
markerPane,
ledCanvas,
unitText,
lcd,
lcdText,
shadowGroup);
getChildren().setAll(pane);
}
private void initGraphics() {
// Set initial size
if (Double.compare(gauge.getPrefWidth(), 0.0) <= 0 || Double.compare(gauge.getPrefHeight(), 0.0) <= 0 ||
Double.compare(gauge.getWidth(), 0.0) <= 0 || Double.compare(gauge.getHeight(), 0.0) <= 0) {
if (gauge.getPrefWidth() > 0 && gauge.getPrefHeight() > 0) {
gauge.setPrefSize(gauge.getPrefWidth(), gauge.getPrefHeight());
} else {
gauge.setPrefSize(PREFERRED_WIDTH, PREFERRED_HEIGHT);
}
}
ticksAndSectionsCanvas = new Canvas(PREFERRED_WIDTH, PREFERRED_HEIGHT);
ticksAndSections = ticksAndSectionsCanvas.getGraphicsContext2D();
ledCanvas = new Canvas();
led = ledCanvas.getGraphicsContext2D();
thresholdTooltip = new Tooltip("Threshold\n(" + String.format(locale, formatString, gauge.getThreshold()) + ")");
thresholdTooltip.setTextAlignment(TextAlignment.CENTER);
threshold = new Path();
Helper.enableNode(threshold, gauge.isThresholdVisible());
Tooltip.install(threshold, thresholdTooltip);
average = new Path();
Helper.enableNode(average, gauge.isAverageVisible());
markerPane = new Pane();
needleRotate = new Rotate(180 - START_ANGLE);
needleRotate.setAngle(needleRotate.getAngle() + (gauge.getValue() - oldValue - gauge.getMinValue()) * angleStep);
needleMoveTo1 = new MoveTo();
needleCubicCurveTo2 = new CubicCurveTo();
needleCubicCurveTo3 = new CubicCurveTo();
needleCubicCurveTo4 = new CubicCurveTo();
needleLineTo5 = new LineTo();
needleCubicCurveTo6 = new CubicCurveTo();
needleClosePath7 = new ClosePath();
needle = new Path(needleMoveTo1, needleCubicCurveTo2, needleCubicCurveTo3, needleCubicCurveTo4, needleLineTo5, needleCubicCurveTo6, needleClosePath7);
needle.setFillRule(FillRule.EVEN_ODD);
needle.getTransforms().setAll(needleRotate);
dropShadow = new DropShadow();
dropShadow.setColor(Color.rgb(0, 0, 0, 0.25));
dropShadow.setBlurType(BlurType.TWO_PASS_BOX);
dropShadow.setRadius(0.015 * PREFERRED_WIDTH);
dropShadow.setOffsetY(0.015 * PREFERRED_WIDTH);
shadowGroup = new Group(needle);
shadowGroup.setEffect(gauge.isShadowsEnabled() ? dropShadow : null);
titleText = new Text(gauge.getTitle());
titleText.setTextOrigin(VPos.CENTER);
titleText.setFill(gauge.getTitleColor());
Helper.enableNode(titleText, !gauge.getTitle().isEmpty());
unitText = new Text(gauge.getUnit());
unitText.setMouseTransparent(true);
unitText.setTextOrigin(VPos.CENTER);
lcd = new Rectangle(0.3 * PREFERRED_WIDTH, 0.1 * PREFERRED_HEIGHT);
lcd.setArcWidth(0.0125 * PREFERRED_HEIGHT);
lcd.setArcHeight(0.0125 * PREFERRED_HEIGHT);
lcd.relocate((PREFERRED_WIDTH - lcd.getWidth()) * 0.5, 0.44 * PREFERRED_HEIGHT);
Helper.enableNode(lcd, gauge.isLcdVisible() && gauge.isValueVisible());
lcdText = new Label(String.format(locale, "%." + gauge.getDecimals() + "f", gauge.getValue()));
lcdText.setAlignment(Pos.CENTER_RIGHT);
lcdText.setVisible(gauge.isValueVisible());
// Set initial value
angleStep = ANGLE_RANGE / gauge.getRange();
double targetAngle = 180 - START_ANGLE + (gauge.getValue() - gauge.getMinValue()) * angleStep;
targetAngle = clamp(180 - START_ANGLE, 180 - START_ANGLE + ANGLE_RANGE, targetAngle);
needleRotate.setAngle(targetAngle);
lightEffect = new InnerShadow(BlurType.TWO_PASS_BOX, Color.rgb(255, 255, 255, 0.65), 2, 0.0, 0.0, 2.0);
foreground = new SVGPath();
foreground.setContent("M 26 26.5 C 26 20.2432 26.2432 20 32.5 20 L 277.5 20 C 283.7568 20 284 20.2432 284 26.5 L 284 143.5 C 284 149.7568 283.7568 150 277.5 150 L 32.5 150 C 26.2432 150 26 149.7568 26 143.5 L 26 26.5 ZM 0 6.7241 L 0 253.2758 C 0 260 0 260 6.75 260 L 303.25 260 C 310 260 310 260 310 253.2758 L 310 6.7241 C 310 0 310 0 303.25 0 L 6.75 0 C 0 0 0 0 0 6.7241 Z");
foreground.setEffect(lightEffect);
// Add all nodes
pane = new Pane();
pane.getChildren().setAll(ticksAndSectionsCanvas,
markerPane,
ledCanvas,
unitText,
lcd,
lcdText,
shadowGroup,
foreground,
titleText);
getChildren().setAll(pane);
}
private void initGraphics() {
// Set initial size
if (Double.compare(gauge.getPrefWidth(), 0.0) <= 0 || Double.compare(gauge.getPrefHeight(), 0.0) <= 0 ||
Double.compare(gauge.getWidth(), 0.0) <= 0 || Double.compare(gauge.getHeight(), 0.0) <= 0) {
if (gauge.getPrefWidth() > 0 && gauge.getPrefHeight() > 0) {
gauge.setPrefSize(gauge.getPrefWidth(), gauge.getPrefHeight());
} else {
gauge.setPrefSize(PREFERRED_WIDTH, PREFERRED_HEIGHT);
}
}
barBackground = new Arc(PREFERRED_WIDTH * 0.5, PREFERRED_HEIGHT * 0.696, PREFERRED_WIDTH * 0.275, PREFERRED_WIDTH * 0.275, ANGLE_RANGE * 0.5 + 90, -ANGLE_RANGE);
barBackground.setType(ArcType.OPEN);
barBackground.setStroke(gauge.getBarBackgroundColor());
barBackground.setStrokeWidth(PREFERRED_WIDTH * 0.02819549 * 2);
barBackground.setStrokeLineCap(StrokeLineCap.BUTT);
barBackground.setFill(null);
sectionCanvas = new Canvas(PREFERRED_WIDTH, PREFERRED_HEIGHT);
sectionCtx = sectionCanvas.getGraphicsContext2D();
needleRotate = new Rotate((gauge.getValue() - oldValue - minValue) * angleStep);
needleMoveTo1 = new MoveTo();
needleCubicCurveTo2 = new CubicCurveTo();
needleCubicCurveTo3 = new CubicCurveTo();
needleCubicCurveTo4 = new CubicCurveTo();
needleCubicCurveTo5 = new CubicCurveTo();
needleClosePath6 = new ClosePath();
needleMoveTo7 = new MoveTo();
needleCubicCurveTo8 = new CubicCurveTo();
needleCubicCurveTo9 = new CubicCurveTo();
needleCubicCurveTo10 = new CubicCurveTo();
needleCubicCurveTo11 = new CubicCurveTo();
needleClosePath12 = new ClosePath();
needle = new Path(needleMoveTo1, needleCubicCurveTo2, needleCubicCurveTo3, needleCubicCurveTo4, needleCubicCurveTo5, needleClosePath6,
needleMoveTo7, needleCubicCurveTo8, needleCubicCurveTo9, needleCubicCurveTo10, needleCubicCurveTo11, needleClosePath12);
needle.setFillRule(FillRule.EVEN_ODD);
needle.getTransforms().setAll(needleRotate);
needle.setFill(gauge.getNeedleColor());
needle.setStrokeType(StrokeType.INSIDE);
needle.setStrokeWidth(1);
needle.setStroke(gauge.getBackgroundPaint());
needleTooltip = new Tooltip(String.format(locale, formatString, gauge.getValue()));
needleTooltip.setTextAlignment(TextAlignment.CENTER);
Tooltip.install(needle, needleTooltip);
pane = new Pane(barBackground, sectionCanvas, needle);
pane.setBorder(new Border(new BorderStroke(gauge.getBorderPaint(), BorderStrokeStyle.SOLID, new CornerRadii(1024), new BorderWidths(gauge.getBorderWidth()))));
pane.setBackground(new Background(new BackgroundFill(gauge.getBackgroundPaint(), new CornerRadii(1024), Insets.EMPTY)));
getChildren().setAll(pane);
}
private void initGraphics() {
// Set initial size
if (Double.compare(gauge.getPrefWidth(), 0.0) <= 0 || Double.compare(gauge.getPrefHeight(), 0.0) <= 0 ||
Double.compare(gauge.getWidth(), 0.0) <= 0 || Double.compare(gauge.getHeight(), 0.0) <= 0) {
if (gauge.getPrefWidth() > 0 && gauge.getPrefHeight() > 0) {
gauge.setPrefSize(gauge.getPrefWidth(), gauge.getPrefHeight());
} else {
gauge.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(gauge.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(gauge.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((gauge.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(gauge.getNeedleColor());
needle.setPickOnBounds(false);
needle.setStrokeType(StrokeType.INSIDE);
needle.setStrokeWidth(1);
needle.setStroke(gauge.getBackgroundPaint());
needleTooltip = new Tooltip(String.format(locale, formatString, gauge.getValue()));
needleTooltip.setTextAlignment(TextAlignment.CENTER);
Tooltip.install(needle, needleTooltip);
minValueText = new Text(String.format(locale, "%." + gauge.getTickLabelDecimals() + "f", gauge.getMinValue()));
minValueText.setFill(gauge.getTitleColor());
Helper.enableNode(minValueText, gauge.getTickLabelsVisible());
maxValueText = new Text(String.format(locale, "%." + gauge.getTickLabelDecimals() + "f", gauge.getMaxValue()));
maxValueText.setFill(gauge.getTitleColor());
Helper.enableNode(maxValueText, gauge.getTickLabelsVisible());
titleText = new Text(gauge.getTitle());
titleText.setFill(gauge.getTitleColor());
Helper.enableNode(titleText, !gauge.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(gauge.getBorderPaint(), BorderStrokeStyle.SOLID, CornerRadii.EMPTY, new BorderWidths(gauge.getBorderWidth()))));
pane.setBackground(new Background(new BackgroundFill(gauge.getBackgroundPaint(), CornerRadii.EMPTY, Insets.EMPTY)));
getChildren().setAll(pane);
}