# Class ToggleButton

java.lang.Object
javafx.scene.Node
javafx.scene.Parent
javafx.scene.layout.Region
javafx.scene.control.Control
javafx.scene.control.Labeled
javafx.scene.control.ButtonBase
javafx.scene.control.ToggleButton

All Implemented Interfaces:
  `Styleable, EventTarget, Skinnable, Toggle`

Direct Known Subclasses:
  `RadioButton`

public class ToggleButton extends ButtonBase implements Toggle
A `ToggleButton` is a specialized control which has the ability to be selected. Typically a `ToggleButton` is rendered similarly to a Button. However, they are two different types of Controls. A Button is a "command" button which invokes a function when clicked. A `ToggleButton` on the other hand is simply a control with a Boolean indicating whether it has been selected.

`ToggleButton` can also be placed in groups. By default, a `ToggleButton` is not in a group. When in groups, only one `ToggleButton` at a time within that group can be selected. To put two `ToggleButtons` in the same group, simply assign them both the same value for `ToggleGroup`.

Unlike `RadioButtons`, `ToggleButtons` in a `ToggleGroup` do not attempt to force at least one selected `ToggleButton` in the group. That is, if a `ToggleButton` is selected, clicking on it will cause it to become unselected. With `RadioButton`, clicking on the selected button in the group will have no effect.

Example:

     ToggleButton tb1 = new ToggleButton("toggle button 1");
    ToggleButton tb2 = new ToggleButton("toggle button 2");
    ToggleButton tb3 = new ToggleButton("toggle button 3");
    ToggleGroup group = new ToggleGroup();
    tb1.setToggleGroup(group);
    tb2.setToggleGroup(group);
    tb3.setToggleGroup(group);

MnemonicParsing is enabled by default for ToggleButton.

Since:
  JavaFX 2.0

- ## Property Summary

  Properties
  Type
  Property
  Description
  `final BooleanProperty`
  `selected`
  Indicates whether this toggle button is selected.
  `final ObjectProperty<ToggleGroup>`
  `toggleGroup`
  The `ToggleGroup` to which this `ToggleButton` belongs.

  ### Properties declared in class ButtonBase

  `armed, onAction`

  ### Properties declared in class Labeled

  `alignment, contentDisplay, ellipsisString, font, graphic, graphicTextGap, labelPadding, lineSpacing, mnemonicParsing, textAlignment, textFill, textOverrun, text, textTruncated, underline, wrapText`

  ### Properties declared in class Control

  `contextMenu, skin, tooltip`

  ### Properties declared in class Region

  `background, border, cacheShape, centerShape, height, insets, maxHeight, maxWidth, minHeight, minWidth, opaqueInsets, padding, prefHeight, prefWidth, scaleShape, shape, snapToPixel, width`

  ### Properties declared in class Parent

  `needsLayout`

  ### Properties declared in class Node

  `accessibleHelp, accessibleRoleDescription, accessibleRole, accessibleText, blendMode, boundsInLocal, boundsInParent, cacheHint, cache, clip, cursor, depthTest, disabled, disable, effectiveNodeOrientation, effect, eventDispatcher, focused, focusTraversable, focusVisible, focusWithin, hover, id, inputMethodRequests, layoutBounds, layoutX, layoutY, localToParentTransform, localToSceneTransform, managed, mouseTransparent, nodeOrientation, onContextMenuRequested, onDragDetected, onDragDone, onDragDropped, onDragEntered, onDragExited, onDragOver, onInputMethodTextChanged, onKeyPressed, onKeyReleased, onKeyTyped, onMouseClicked, onMouseDragDone, onMouseDragEntered, onMouseDragExited, onMouseDragged, onMouseDragOver, onMouseDragReleased, onMouseEntered, onMouseExited, onMouseMoved, onMousePressed, onMouseReleased, onRotate, onRotationFinished, onRotationStarted, onScrollFinished, onScroll, onScrollStarted, onSwipeDown, onSwipeLeft, onSwipeRight, onSwipeUp, onTouchMoved, onTouchPressed, onTouchReleased, onTouchStationary, onZoomFinished, onZoom, onZoomStarted, opacity, parent, pickOnBounds, pressed, rotate, rotationAxis, scaleX, scaleY, scaleZ, scene, style, translateX, translateY, translateZ, viewOrder, visible`

- ## Field Summary

  ### Fields declared in class Region

  `USE_COMPUTED_SIZE, USE_PREF_SIZE`

  ### Fields declared in class Node

  `BASELINE_OFFSET_SAME_AS_HEIGHT`

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `ToggleButton()`
  Creates a toggle button with an empty string for its label.
  `ToggleButton(String text)`
  Creates a toggle button with the specified text as its label.
  `ToggleButton(String text, Node graphic)`
  Creates a toggle button with the specified text and icon for its label.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `fire()`
  Invoked when a user gesture indicates that an event for this `ButtonBase` should occur.
  `protected Pos`
  `getInitialAlignment()`
  Returns the initial alignment state of this control, for use by the JavaFX CSS engine to correctly set its initial value.
  `final ToggleGroup`
  `getToggleGroup()`
  Gets the value of the `toggleGroup` property.
  `final boolean`
  `isSelected()`
  Gets the value of the `selected` property.
  `final BooleanProperty`
  `selectedProperty()`
  Indicates whether this toggle button is selected.
  `final void`
  `setSelected(boolean value)`
  Sets the value of the `selected` property.
  `final void`
  `setToggleGroup(ToggleGroup value)`
  Sets the value of the `toggleGroup` property.
  `final ObjectProperty<ToggleGroup>`
  `toggleGroupProperty()`
  The `ToggleGroup` to which this `ToggleButton` belongs.

  ### Methods declared in class ButtonBase

  `arm, armedProperty, disarm, getOnAction, isArmed, onActionProperty, setOnAction`

  ### Methods declared in class Labeled

  `alignmentProperty, contentDisplayProperty, ellipsisStringProperty, fontProperty, getAlignment, getClassCssMetaData, getContentBias, getContentDisplay, getControlCssMetaData, getEllipsisString, getFont, getGraphic, getGraphicTextGap, getLabelPadding, getLineSpacing, getText, getTextAlignment, getTextFill, getTextOverrun, graphicProperty, graphicTextGapProperty, isMnemonicParsing, isTextTruncated, isUnderline, isWrapText, labelPaddingProperty, lineSpacingProperty, mnemonicParsingProperty, setAlignment, setContentDisplay, setEllipsisString, setFont, setGraphic, setGraphicTextGap, setLineSpacing, setMnemonicParsing, setText, setTextAlignment, setTextFill, setTextOverrun, setUnderline, setWrapText, textAlignmentProperty, textFillProperty, textOverrunProperty, textProperty, textTruncatedProperty, underlineProperty, wrapTextProperty`

  ### Methods declared in class Control

  `computeMaxHeight, computeMaxWidth, computeMinHeight, computeMinWidth, contextMenuProperty, createDefaultSkin, getContextMenu, getCssMetaData, getInitialFocusTraversable, getSkin, getTooltip, isResizable, setContextMenu, setSkin, setTooltip, skinProperty, tooltipProperty`

  ### Methods declared in class Region

  `backgroundProperty, borderProperty, cacheShapeProperty, centerShapeProperty, computePrefHeight, computePrefWidth, getBackground, getBorder, getHeight, getInsets, getMaxHeight, getMaxWidth, getMinHeight, getMinWidth, getOpaqueInsets, getPadding, getPrefHeight, getPrefWidth, getShape, getUserAgentStylesheet, getWidth, heightProperty, insetsProperty, isCacheShape, isCenterShape, isScaleShape, isSnapToPixel, layoutInArea, layoutInArea, layoutInArea, layoutInArea, maxHeight, maxHeightProperty, maxWidth, maxWidthProperty, minHeight, minHeightProperty, minWidth, minWidthProperty, opaqueInsetsProperty, paddingProperty, positionInArea, positionInArea, prefHeight, prefHeightProperty, prefWidth, prefWidthProperty, resize, scaleShapeProperty, setBackground, setBorder, setCacheShape, setCenterShape, setHeight, setMaxHeight, setMaxSize, setMaxWidth, setMinHeight, setMinSize, setMinWidth, setOpaqueInsets, setPadding, setPrefHeight, setPrefSize, setPrefWidth, setScaleShape, setShape, setSnapToPixel, setWidth, shapeProperty, snappedBottomInset, snappedLeftInset, snappedRightInset, snappedTopInset, snapPosition, snapPositionX, snapPositionY, snapSize, snapSizeX, snapSizeY, snapSpace, snapSpaceX, snapSpaceY, snapToPixelProperty, widthProperty`

  ### Methods declared in class Parent

  `getBaselineOffset, getChildren, getChildrenUnmodifiable, getManagedChildren, getStylesheets, isNeedsLayout, layout, layoutChildren, needsLayoutProperty, requestLayout, requestParentLayout, setNeedsLayout, updateBounds`

  ### Methods declared in class Node

  `accessibleHelpProperty, accessibleRoleDescriptionProperty, accessibleRoleProperty, accessibleTextProperty, addEventFilter, addEventHandler, applyCss, autosize, blendModeProperty, boundsInLocalProperty, boundsInParentProperty, buildEventDispatchChain, cacheHintProperty, cacheProperty, clipProperty, computeAreaInScreen, contains, contains, cursorProperty, depthTestProperty, disabledProperty, disableProperty, effectiveNodeOrientationProperty, effectProperty, eventDispatcherProperty, executeAccessibleAction, fireEvent, focusedProperty, focusTraversableProperty, focusVisibleProperty, focusWithinProperty, getAccessibleHelp, getAccessibleRole, getAccessibleRoleDescription, getAccessibleText, getBlendMode, getBoundsInLocal, getBoundsInParent, getCacheHint, getClip, getCursor, getDepthTest, getEffect, getEffectiveNodeOrientation, getEventDispatcher, getId, getInitialCursor, getInputMethodRequests, getLayoutBounds, getLayoutX, getLayoutY, getLocalToParentTransform, getLocalToSceneTransform, getNodeOrientation, getOnContextMenuRequested, getOnDragDetected, getOnDragDone, getOnDragDropped, getOnDragEntered, getOnDragExited, getOnDragOver, getOnInputMethodTextChanged, getOnKeyPressed, getOnKeyReleased, getOnKeyTyped, getOnMouseClicked, getOnMouseDragDone, getOnMouseDragEntered, getOnMouseDragExited, getOnMouseDragged, getOnMouseDragOver, getOnMouseDragReleased, getOnMouseEntered, getOnMouseExited, getOnMouseMoved, getOnMousePressed, getOnMouseReleased, getOnRotate, getOnRotationFinished, getOnRotationStarted, getOnScroll, getOnScrollFinished, getOnScrollStarted, getOnSwipeDown, getOnSwipeLeft, getOnSwipeRight, getOnSwipeUp, getOnTouchMoved, getOnTouchPressed, getOnTouchReleased, getOnTouchStationary, getOnZoom, getOnZoomFinished, getOnZoomStarted, getOpacity, getParent, getProperties, getPseudoClassStates, getRotate, getRotationAxis, getScaleX, getScaleY, getScaleZ, getScene, getStyle, getStyleableParent, getStyleClass, getTransforms, getTranslateX, getTranslateY, getTranslateZ, getTypeSelector, getUserData, getViewOrder, hasProperties, hoverProperty, idProperty, inputMethodRequestsProperty, intersects, intersects, isCache, isDisable, isDisabled, isFocused, isFocusTraversable, isFocusVisible, isFocusWithin, isHover, isManaged, isMouseTransparent, isPickOnBounds, isPressed, isVisible, layoutBoundsProperty, layoutXProperty, layoutYProperty, localToParent, localToParent, localToParent, localToParent, localToParent, localToParentTransformProperty, localToScene, localToScene, localToScene, localToScene, localToScene, localToScene, localToScene, localToScene, localToScene, localToScene, localToSceneTransformProperty, localToScreen, localToScreen, localToScreen, localToScreen, localToScreen, lookup, lookupAll, managedProperty, mouseTransparentProperty, nodeOrientationProperty, notifyAccessibleAttributeChanged, onContextMenuRequestedProperty, onDragDetectedProperty, onDragDoneProperty, onDragDroppedProperty, onDragEnteredProperty, onDragExitedProperty, onDragOverProperty, onInputMethodTextChangedProperty, onKeyPressedProperty, onKeyReleasedProperty, onKeyTypedProperty, onMouseClickedProperty, onMouseDragDoneProperty, onMouseDragEnteredProperty, onMouseDragExitedProperty, onMouseDraggedProperty, onMouseDragOverProperty, onMouseDragReleasedProperty, onMouseEnteredProperty, onMouseExitedProperty, onMouseMovedProperty, onMousePressedProperty, onMouseReleasedProperty, onRotateProperty, onRotationFinishedProperty, onRotationStartedProperty, onScrollFinishedProperty, onScrollProperty, onScrollStartedProperty, onSwipeDownProperty, onSwipeLeftProperty, onSwipeRightProperty, onSwipeUpProperty, onTouchMovedProperty, onTouchPressedProperty, onTouchReleasedProperty, onTouchStationaryProperty, onZoomFinishedProperty, onZoomProperty, onZoomStartedProperty, opacityProperty, parentProperty, parentToLocal, parentToLocal, parentToLocal, parentToLocal, parentToLocal, pickOnBoundsProperty, pressedProperty, pseudoClassStateChanged, queryAccessibleAttribute, relocate, removeEventFilter, removeEventHandler, requestFocus, requestFocusTraversal, resizeRelocate, rotateProperty, rotationAxisProperty, scaleXProperty, scaleYProperty, scaleZProperty, sceneProperty, sceneToLocal, sceneToLocal, sceneToLocal, sceneToLocal, sceneToLocal, sceneToLocal, sceneToLocal, sceneToLocal, screenToLocal, screenToLocal, screenToLocal, setAccessibleHelp, setAccessibleRole, setAccessibleRoleDescription, setAccessibleText, setBlendMode, setCache, setCacheHint, setClip, setCursor, setDepthTest, setDisable, setDisabled, setEffect, setEventDispatcher, setEventHandler, setFocused, setFocusTraversable, setHover, setId, setInputMethodRequests, setLayoutX, setLayoutY, setManaged, setMouseTransparent, setNodeOrientation, setOnContextMenuRequested, setOnDragDetected, setOnDragDone, setOnDragDropped, setOnDragEntered, setOnDragExited, setOnDragOver, setOnInputMethodTextChanged, setOnKeyPressed, setOnKeyReleased, setOnKeyTyped, setOnMouseClicked, setOnMouseDragDone, setOnMouseDragEntered, setOnMouseDragExited, setOnMouseDragged, setOnMouseDragOver, setOnMouseDragReleased, setOnMouseEntered, setOnMouseExited, setOnMouseMoved, setOnMousePressed, setOnMouseReleased, setOnRotate, setOnRotationFinished, setOnRotationStarted, setOnScroll, setOnScrollFinished, setOnScrollStarted, setOnSwipeDown, setOnSwipeLeft, setOnSwipeRight, setOnSwipeUp, setOnTouchMoved, setOnTouchPressed, setOnTouchReleased, setOnTouchStationary, setOnZoom, setOnZoomFinished, setOnZoomStarted, setOpacity, setPickOnBounds, setPressed, setRotate, setRotationAxis, setScaleX, setScaleY, setScaleZ, setStyle, setTranslateX, setTranslateY, setTranslateZ, setUserData, setViewOrder, setVisible, snapshot, snapshot, startDragAndDrop, startFullDrag, styleProperty, toBack, toFront, toString, translateXProperty, translateYProperty, translateZProperty, usesMirroring, viewOrderProperty, visibleProperty`

  ### Methods declared in class Object

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

  ### Methods declared in interface Styleable

  `getStyleableNode`

  ### Methods declared in interface Toggle

  `getProperties, getUserData, setUserData`

- ## Property Details

  - ### selected

    public final BooleanProperty selectedProperty
    Indicates whether this toggle button is selected. This can be manipulated programmatically.
    Specified by:
      `selectedProperty` in interface `Toggle`
    Returns:
      the selected property
    See Also:
      - `isSelected()`
      - `setSelected(boolean)`
      - `selectedProperty()`

  - ### toggleGroup

    public final ObjectProperty<ToggleGroup> toggleGroupProperty
    The `ToggleGroup` to which this `ToggleButton` belongs. A `ToggleButton` can only be in one group at any one time. If the group is changed, then the button is removed from the old group prior to being added to the new group.
    Specified by:
      `toggleGroupProperty` in interface `Toggle`
    Returns:
      the toggle group property
    See Also:
      - `getToggleGroup()`
      - `setToggleGroup(ToggleGroup)`
      - `toggleGroupProperty()`

- ## Constructor Details

  - ### ToggleButton

    public ToggleButton()
    Creates a toggle button with an empty string for its label.

  - ### ToggleButton

    public ToggleButton(String text)
    Creates a toggle button with the specified text as its label.
    Parameters:
      `text` - A text string for its label.

  - ### ToggleButton

    public ToggleButton(String text, Node graphic)
    Creates a toggle button with the specified text and icon for its label.
    Parameters:
      `text` - A text string for its label.
      `graphic` - the icon for its label.

- ## Method Details

  - ### setSelected

    public final void setSelected(boolean value)
    Sets the value of the `selected` property.
    Specified by:
      `setSelected` in interface `Toggle`
    Property description:
      Indicates whether this toggle button is selected. This can be manipulated programmatically.
    Parameters:
      `value` - the value for the `selected` property
    See Also:
      - `isSelected()`
      - `selectedProperty()`

  - ### isSelected

    public final boolean isSelected()
    Gets the value of the `selected` property.
    Specified by:
      `isSelected` in interface `Toggle`
    Property description:
      Indicates whether this toggle button is selected. This can be manipulated programmatically.
    Returns:
      the value of the `selected` property
    See Also:
      - `setSelected(boolean)`
      - `selectedProperty()`

  - ### selectedProperty

    public final BooleanProperty selectedProperty()
    Indicates whether this toggle button is selected. This can be manipulated programmatically.
    Specified by:
      `selectedProperty` in interface `Toggle`
    Returns:
      the `selected` property
    See Also:
      - `isSelected()`
      - `setSelected(boolean)`

  - ### setToggleGroup

    public final void setToggleGroup(ToggleGroup value)
    Sets the value of the `toggleGroup` property.
    Specified by:
      `setToggleGroup` in interface `Toggle`
    Property description:
      The `ToggleGroup` to which this `ToggleButton` belongs. A `ToggleButton` can only be in one group at any one time. If the group is changed, then the button is removed from the old group prior to being added to the new group.
    Parameters:
      `value` - the value for the `toggleGroup` property
    See Also:
      - `getToggleGroup()`
      - `toggleGroupProperty()`

  - ### getToggleGroup

    public final ToggleGroup getToggleGroup()
    Gets the value of the `toggleGroup` property.
    Specified by:
      `getToggleGroup` in interface `Toggle`
    Property description:
      The `ToggleGroup` to which this `ToggleButton` belongs. A `ToggleButton` can only be in one group at any one time. If the group is changed, then the button is removed from the old group prior to being added to the new group.
    Returns:
      the value of the `toggleGroup` property
    See Also:
      - `setToggleGroup(ToggleGroup)`
      - `toggleGroupProperty()`

  - ### toggleGroupProperty

    public final ObjectProperty<ToggleGroup> toggleGroupProperty()
    The `ToggleGroup` to which this `ToggleButton` belongs. A `ToggleButton` can only be in one group at any one time. If the group is changed, then the button is removed from the old group prior to being added to the new group.
    Specified by:
      `toggleGroupProperty` in interface `Toggle`
    Returns:
      the `toggleGroup` property
    See Also:
      - `getToggleGroup()`
      - `setToggleGroup(ToggleGroup)`

  - ### fire

    public void fire()
    Invoked when a user gesture indicates that an event for this `ButtonBase` should occur.

    If invoked, this method will be executed regardless of the status of `ButtonBase.arm()`.

    Specified by:
      `fire` in class `ButtonBase`

  - ### getInitialAlignment

    protected Pos getInitialAlignment()
    Returns the initial alignment state of this control, for use by the JavaFX CSS engine to correctly set its initial value. This method is overridden to use Pos.CENTER initially.
    Overrides:
      `getInitialAlignment` in class `Labeled`
    Returns:
      the initial alignment state of this control
    Since:
      9