Class Control

javafx.scene.control.Control

All Implemented Interfaces:: Styleable, EventTarget, Skinnable

Direct Known Subclasses:: Accordion, ButtonBar, ChoiceBox, ComboBoxBase, HTMLEditor, Labeled, ListView, MenuBar, Pagination, ProgressIndicator, ScrollBar, ScrollPane, Separator, Slider, Spinner, SplitPane, TableView, TabPane, TextInputControl, ToolBar, TreeTableView, TreeView

public abstract class Control
extends Region
implements Skinnable

Base class for all user interface controls. A "Control" is a node in the scene graph which can be manipulated by the user. Controls provide additional variables and behaviors beyond those of Node to support common user interactions in a manner which is consistent and predictable for the user.

Additionally, controls support explicit skinning to make it easy to leverage the functionality of a control while customizing its appearance.

See specific Control subclasses for information on how to use individual types of controls.

Most controls have their focusTraversable property set to true by default, however read-only controls such as Label and ProgressIndicator, and some controls that are containers ScrollPane and ToolBar do not. Consult individual control documentation for details.

Since:: JavaFX 2.0

Property Summary

Properties
Type	Property	Description
`ObjectProperty<ContextMenu>`	`contextMenu`	The ContextMenu to show for this control.
`ObjectProperty<Skin<?>>`	`skin`	Skin is responsible for rendering this `Control`.
`ObjectProperty<Tooltip>`	`tooltip`	The ToolTip for this control.

Properties declared in class javafx.scene.layout.Region

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

Properties declared in class javafx.scene.Parent

needsLayout

Properties declared in class javafx.scene.Node

accessibleHelp, accessibleRoleDescription, accessibleRole, accessibleText, blendMode, boundsInLocal, boundsInParent, cacheHint, cache, clip, cursor, depthTest, disabled, disable, effectiveNodeOrientation, effect, eventDispatcher, focused, focusTraversable, hover, id, inputMethodRequests, layoutBounds, layoutX, layoutY, localToParentTransform, localToSceneTransform, managed, mouseTransparent, nodeOrientation, onContextMenuRequested, onDragDetected, onDragDone, onDragDropped, onDragEntered, onDragExited, onDragOver, onInputMethodTextChanged, onKeyPressed, onKeyReleased, onKeyTyped, onMouseClicked, 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 javafx.scene.layout.Region

USE_COMPUTED_SIZE, USE_PREF_SIZE

Fields declared in class javafx.scene.Node

BASELINE_OFFSET_SAME_AS_HEIGHT

Constructor Summary

Constructors
Modifier	Constructor	Description
`protected`	`Control()`	Create a new Control.

Method Summary

Modifier and Type	Method	Description
`protected double`	`computeMaxHeight(double width)`	Computes the maximum allowable height of the Control, based on the provided width.
`protected double`	`computeMaxWidth(double height)`	Computes the maximum allowable width of the Control, based on the provided height.
`protected double`	`computeMinHeight(double width)`	Computes the minimum allowable height of the Control, based on the provided width.
`protected double`	`computeMinWidth(double height)`	Computes the minimum allowable width of the Control, based on the provided height.
`ObjectProperty<ContextMenu>`	`contextMenuProperty()`	The ContextMenu to show for this control.
`protected Skin<?>`	`createDefaultSkin()`	Create a new instance of the default skin for this control.
`static List<CssMetaData<? extends Styleable,?>>`	`getClassCssMetaData()`
`ContextMenu`	`getContextMenu()`	Gets the value of the property contextMenu.
`protected List<CssMetaData<? extends Styleable,?>>`	`getControlCssMetaData()`
`List<CssMetaData<? extends Styleable,?>>`	`getCssMetaData()`	This method returns a `List` containing all `CssMetaData` for both this Control (returned from `getControlCssMetaData()` and its `Skin`, assuming the `skin property` is a `SkinBase`.
`protected Boolean`	`getInitialFocusTraversable()`	Returns the initial focus traversable state of this control, for use by the JavaFX CSS engine to correctly set its initial value.
`Tooltip`	`getTooltip()`	Gets the value of the property tooltip.
`boolean`	`isResizable()`	Returns `true` since all Controls are resizable.
`void`	`setContextMenu(ContextMenu value)`	Sets the value of the property contextMenu.
`void`	`setTooltip(Tooltip value)`	Sets the value of the property tooltip.
`ObjectProperty<Skin<?>>`	`skinProperty()`	Skin is responsible for rendering this `Control`.
`ObjectProperty<Tooltip>`	`tooltipProperty()`	The ToolTip for this control.

Methods declared in class javafx.scene.layout.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 javafx.scene.Parent

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

Methods declared in class javafx.scene.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, getAccessibleHelp, getAccessibleRole, getAccessibleRoleDescription, getAccessibleText, getBlendMode, getBoundsInLocal, getBoundsInParent, getCacheHint, getClip, getContentBias, 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, 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, getTransforms, getTranslateX, getTranslateY, getTranslateZ, getTypeSelector, getUserData, getViewOrder, hasProperties, hoverProperty, idProperty, inputMethodRequestsProperty, intersects, intersects, isCache, isDisable, isDisabled, isFocused, isFocusTraversable, 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, 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, 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, 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 java.lang.Object

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

Methods declared in interface javafx.scene.control.Skinnable

getSkin, setSkin

Methods declared in interface javafx.css.Styleable

getStyleableNode, getStyleClass

Property Details

skin

public final ObjectProperty<Skin<?>> skinProperty

Skin is responsible for rendering this Control. From the perspective of the Control, the Skin is a black box. It listens and responds to changes in state in a Control.

There is a one-to-one relationship between a Control and its Skin. Every Skin maintains a back reference to the Control via the Skin.getSkinnable() method.

A skin may be null.

Specified by:: skinProperty in interface Skinnable
See Also:: Skinnable.getSkin(), Skinnable.setSkin(Skin)

tooltip

public final ObjectProperty<Tooltip> tooltipProperty

The ToolTip for this control.

See Also:: getTooltip(), setTooltip(Tooltip)

contextMenu

public final ObjectProperty<ContextMenu> contextMenuProperty

The ContextMenu to show for this control.

See Also:: getContextMenu(), setContextMenu(ContextMenu)

Constructor Details

Control

protected Control()

Create a new Control.

Method Details

skinProperty

public final ObjectProperty<Skin<?>> skinProperty()

Skin is responsible for rendering this Control. From the perspective of the Control, the Skin is a black box. It listens and responds to changes in state in a Control.

There is a one-to-one relationship between a Control and its Skin. Every Skin maintains a back reference to the Control via the Skin.getSkinnable() method.

A skin may be null.

Specified by:: skinProperty in interface Skinnable
See Also:: Skinnable.getSkin(), Skinnable.setSkin(Skin)

tooltipProperty

public final ObjectProperty<Tooltip> tooltipProperty()

The ToolTip for this control.

See Also:: getTooltip(), setTooltip(Tooltip)

setTooltip

public final void setTooltip(Tooltip value)

Sets the value of the property tooltip.

Property description:: The ToolTip for this control.

getTooltip

public final Tooltip getTooltip()

Gets the value of the property tooltip.

Property description:: The ToolTip for this control.

contextMenuProperty

public final ObjectProperty<ContextMenu> contextMenuProperty()

The ContextMenu to show for this control.

See Also:: getContextMenu(), setContextMenu(ContextMenu)

setContextMenu

public final void setContextMenu(ContextMenu value)

Sets the value of the property contextMenu.

Property description:: The ContextMenu to show for this control.

getContextMenu

public final ContextMenu getContextMenu()

Gets the value of the property contextMenu.

Property description:: The ContextMenu to show for this control.

isResizable

public boolean isResizable()

Returns true since all Controls are resizable.

Overrides:: isResizable in class Region
Returns:: whether this node can be resized by its parent during layout
See Also:: Node.getContentBias(), Node.minWidth(double), Node.minHeight(double), Node.prefWidth(double), Node.prefHeight(double), Node.maxWidth(double), Node.maxHeight(double), Node.resize(double, double), Node.getLayoutBounds()

computeMinWidth

protected double computeMinWidth(double height)

Computes the minimum allowable width of the Control, based on the provided height. The minimum width is not calculated within the Control, instead the calculation is delegated to the Node.minWidth(double) method of the Skin. If the Skin is null, the returned value is 0.

Overrides:: computeMinWidth in class Region
Parameters:: height - The height of the Control, in case this value might dictate the minimum width.
Returns:: A double representing the minimum width of this control.

computeMinHeight

protected double computeMinHeight(double width)

Computes the minimum allowable height of the Control, based on the provided width. The minimum height is not calculated within the Control, instead the calculation is delegated to the Node.minHeight(double) method of the Skin. If the Skin is null, the returned value is 0.

Overrides:: computeMinHeight in class Region
Parameters:: width - The width of the Control, in case this value might dictate the minimum height.
Returns:: A double representing the minimum height of this control.

computeMaxWidth

protected double computeMaxWidth(double height)

Computes the maximum allowable width of the Control, based on the provided height. The maximum width is not calculated within the Control, instead the calculation is delegated to the Node.maxWidth(double) method of the Skin. If the Skin is null, the returned value is 0.

Overrides:: computeMaxWidth in class Region
Parameters:: height - The height of the Control, in case this value might dictate the maximum width.
Returns:: A double representing the maximum width of this control.

computeMaxHeight

protected double computeMaxHeight(double width)

Computes the maximum allowable height of the Control, based on the provided width. The maximum height is not calculated within the Control, instead the calculation is delegated to the Node.maxHeight(double) method of the Skin. If the Skin is null, the returned value is 0.

Overrides:: computeMaxHeight in class Region
Parameters:: width - The width of the Control, in case this value might dictate the maximum height.
Returns:: A double representing the maximum height of this control.

createDefaultSkin

protected Skin<?> createDefaultSkin()

Create a new instance of the default skin for this control. This is called to create a skin for the control if no skin is provided via CSS -fx-skin or set explicitly in a sub-class with setSkin(...).

Returns:: new instance of default skin for this control. If null then the control will have no skin unless one is provided by css.
Since:: JavaFX 8.0

getClassCssMetaData

public static List<CssMetaData<? extends Styleable,?>> getClassCssMetaData()

Returns:: The CssMetaData associated with this class, which may include the CssMetaData of its superclasses.
Since:: JavaFX 8.0

getCssMetaData

public final List<CssMetaData<? extends Styleable,?>> getCssMetaData()

This method returns a List containing all CssMetaData for both this Control (returned from getControlCssMetaData() and its Skin, assuming the skin property is a SkinBase.

Developers who wish to provide custom CssMetaData are therefore encouraged to override getControlCssMetaData() or SkinBase.getCssMetaData(), depending on where the CssMetaData resides.

Specified by:: getCssMetaData in interface Styleable
Overrides:: getCssMetaData in class Region
Returns:: The CssMetaData associated with this node, which may include the CssMetaData of its superclasses.
Since:: JavaFX 8.0

getControlCssMetaData

protected List<CssMetaData<? extends Styleable,?>> getControlCssMetaData()

Returns:: unmodifiable list of the controls css styleable properties
Since:: JavaFX 8.0

getInitialFocusTraversable

protected Boolean getInitialFocusTraversable()

Returns the initial focus traversable state of this control, for use by the JavaFX CSS engine to correctly set its initial value. By default all UI controls are focus traversable, so this method is overridden in Control to set the initial traversable state to true.

Overrides:: getInitialFocusTraversable in class Node
Returns:: the initial focus traversable state of this control
Since:: 9

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