Package de.gsi.chart.plugins

Class YValueIndicator

java.lang.Object

de.gsi.chart.plugins.ChartPlugin

de.gsi.chart.plugins.AbstractValueIndicator

de.gsi.chart.plugins.AbstractSingleValueIndicator

de.gsi.chart.plugins.YValueIndicator

public class YValueIndicator
extends AbstractSingleValueIndicator

A horizontal line drawn on the plot area, indicating specified Y value, with an optional text label describing the value.

Style Classes (from least to most specific):

• Label: value-indicator-label, y-value-indicator-label, y-value-indicator-label[index]
• Line: value-indicator-line, y-value-indicator-line, y-value-indicator-line[index]

where [index] corresponds to the index (zero based) of this indicator instance added to the XYChartPane. For example class y-value-indicator-label1 can be used to style label of the second instance of this indicator added to the chart pane.

Author:

mhrabia

Nested Class Summary

Nested classes/interfaces inherited from class de.gsi.chart.plugins.AbstractValueIndicator

AbstractValueIndicator.Delta

Field Summary

Fields inherited from class de.gsi.chart.plugins.AbstractSingleValueIndicator

DEFAULT_PICKING_DISTANCE, line, MIDDLE_POSITION, pickLine, STYLE_CLASS_LABEL, STYLE_CLASS_LINE, STYLE_CLASS_MARKER, triangle, triangleHalfWidth

Fields inherited from class de.gsi.chart.plugins.AbstractValueIndicator

dragDelta, editableIndicator, label

Constructor Summary

Constructors

Constructor	Description
YValueIndicator(Axis axis, double value)	Creates a new instance indicating given Y value belonging to the specified yAxis.
YValueIndicator(Axis axis, double value, java.lang.String text)	Creates a new instance indicating given Y value belonging to the specified yAxis, with the specified label.

Method Summary

Modifier and Type	Method	Description
protected void	handleDragMouseEvent(javafx.scene.input.MouseEvent mouseEvent)
void	layoutChildren()	Optional method that allows the plug-in to react in case the size of the chart that it belongs to has changed.
void	updateStyleClass()	There might be several instances of a given indicator class.

Methods inherited from class de.gsi.chart.plugins.AbstractSingleValueIndicator

getLabelPosition, getPickingDistance, getValue, labelPositionProperty, layoutLine, layoutMarker, pickingDistanceProperty, setLabelPosition, setPickingDistance, setValue, valueProperty

Methods inherited from class de.gsi.chart.plugins.AbstractValueIndicator

addChildNodeIfNotPresent, editableIndicatorProperty, getLabelHorizontalAnchor, getLabelVerticalAnchor, getNumericAxis, getText, isEditable, labelHorizontalAnchorProperty, labelVerticalAnchorProperty, layoutLabel, setEditable, setLabelHorizontalAnchor, setLabelVerticalAnchor, setStyleClasses, setText, textProperty

Methods inherited from class de.gsi.chart.plugins.ChartPlugin

addButtonsToToolBarProperty, chartProperty, getChart, getChartChildren, getLocationInPlotArea, isAddButtonsToToolBar, registerInputEventHandler, setAddButtonsToToolBar, setChart, toDataPoint, toDisplayPoint

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

YValueIndicator

public YValueIndicator(Axis axis,
                       double value)

Creates a new instance indicating given Y value belonging to the specified yAxis.

Parameters:

axis - the axis this indicator is associated with

value - a value to be marked

YValueIndicator

public YValueIndicator(Axis axis,
                       double value,
                       java.lang.String text)

Creates a new instance indicating given Y value belonging to the specified yAxis, with the specified label.

Parameters:

axis - the axis this indicator is associated with

value - a value to be marked

text - the text to be shown by the label. Value of AbstractValueIndicator.textProperty().

Method Detail

handleDragMouseEvent

protected void handleDragMouseEvent(javafx.scene.input.MouseEvent mouseEvent)

layoutChildren

public void layoutChildren()

Description copied from class: ChartPlugin

Optional method that allows the plug-in to react in case the size of the chart that it belongs to has changed.

Overrides:

layoutChildren in class ChartPlugin

updateStyleClass

public void updateStyleClass()

Description copied from class: AbstractValueIndicator

There might be several instances of a given indicator class. If one wants to specify different CSS for each instance - we need a unique class name for each, so whenever the list of plugins changes, this method should update name of it's CSS class.

Specified by:

updateStyleClass in class AbstractValueIndicator