class: SpPolicy

[11:6] static extends: object

Enum representing scroll bar policies for a ScrollPane. The SpPolicy options include: ALWAYS, which always shows the scrollbar; AS_NEEDED, which displays the scrollbar only when necessary; and NEVER, which hides the scrollbar at all times.

Members

ALWAYS
AS_NEEDED
NEVER

class: ScrollPane

[129:7] extends: Node, Control, Region

The ScrollPane class wraps the JavaFX ScrollPane control, which provides a scrollable viewport for any Node content that may be larger than the visible area. When the content exceeds the viewport, horizontal and/or vertical scrollbars appear according to the configured bar policies. ScrollPane also supports a pannable mode that lets the user drag the content with the mouse instead of using the scrollbars, and fit-to-width/height options that resize the content to match the viewport dimensions. The tables below list every CSS property available to ScrollPane, organized by the class level where each property is defined.

CSS Pseudo-classes -- ScrollPane

Pseudo-class	Description
`pannable`	Applies when the `pannable` property is `true`.
`fitToWidth`	Applies when the `fitToWidth` property is `true`.
`fitToHeight`	Applies when the `fitToHeight` property is `true`.

CSS Properties -- ScrollPane

Property	Values	Default	Description
`-fx-fit-to-width`	`true \| false`	`false`	When true, content is resized to match the viewport width.
`-fx-fit-to-height`	`true \| false`	`false`	When true, content is resized to match the viewport height.
`-fx-pannable`	`true \| false`	`false`	When true, the user can pan the content by pressing and dragging.
`-fx-hbar-policy`	`never \| always \| as-needed`	`as-needed`	Horizontal scrollbar display policy.
`-fx-vbar-policy`	`never \| always \| as-needed`	`as-needed`	Vertical scrollbar display policy.

CSS Properties -- Control

Property	Values	Default	Description
`-fx-skin`	`<string>`	`null`	Fully qualified class name of the Skin to use for rendering this control.
`-fx-focus-traversable`	`true \| false`	`true`	When true, the control participates in focus traversal via the keyboard Tab key. (Default is `false` for Accordion, ScrollPane.)

CSS Properties -- Region

Background fills

Property	Values	Default	Description
`-fx-background-color`	`<paint> [, <paint>]*`	`transparent`	One or more paint values for background fill layers, rendered back to front.
`-fx-background-insets`	`<size>` or `<t> <r> <b> <l>` [, ...]*	`0 0 0 0`	Insets from the region edges for each background fill layer.
`-fx-background-radius`	`<size> [/ <size>]* [, ...]*`	`0 0 0 0`	Corner radii for each background fill layer.

Background images

Property	Values	Default	Description
`-fx-background-image`	`<uri> [, <uri>]*`	`null`	One or more image URIs for background image layers.
`-fx-background-position`	`<bg-position> [, ...]*`	`0% 0%`	Position of each background image within the region. Accepts keywords or size values.
`-fx-background-repeat`	`<repeat-style> [, ...]*`	`repeat repeat`	Tiling behavior for each background image. Values: repeat, no-repeat, round, space applied per axis.
`-fx-background-size`	`<bg-size> [, ...]*`	`auto auto`	Dimensions for each background image. Supports cover, contain, stretch, or explicit sizes.

Stroked borders

Property	Values	Default	Description
`-fx-border-color`	`<paint>` or `<t> <r> <b> <l>` [, ...]*	`null`	Paint colors for the border stroke layers.
`-fx-border-insets`	`<size>` or `<t> <r> <b> <l>` [, ...]*	`null`	Insets from region edges for each border layer.
`-fx-border-radius`	`<size> [, ...]*`	`null`	Corner radii for border stroke layers.
`-fx-border-style`	`<border-style> [, ...]*`	`null`	Border line style (solid, dotted, dashed) plus phase and line cap/join options per layer.
`-fx-border-width`	`<size>` or `<t> <r> <b> <l>` [, ...]*	`null`	Thickness of each border stroke layer, per side.

Border images

Property	Values	Default	Description
`-fx-border-image-source`	`<uri> [, <uri>]*`	`null`	Image URIs used to paint the border.
`-fx-border-image-insets`	`<size>` or `<t> <r> <b> <l>` [, ...]*	`0 0 0 0`	Insets for each border image layer.
`-fx-border-image-repeat`	`<repeat-style> [, ...]*`	`repeat repeat`	Tiling behavior for each border image.
`-fx-border-image-slice`	`<size>` or `<t> <r> <b> <l>` [fill] [, ...]*	`100%`	Divides each border image into nine regions. Adding fill preserves the center region.
`-fx-border-image-width`	`<size>` or `<t> <r> <b> <l>` [, ...]*	`1 1 1 1`	Width of each border image slice per side.

Other Region properties

Property	Values	Default	Description
`-fx-padding`	`<size>` or `<t> <r> <b> <l>`	`0 0 0 0`	Interior padding between the region border and its content.
`-fx-shape`	`<string>`	`null`	SVG path string that defines a custom clip shape for the region.
`-fx-scale-shape`	`true \| false`	`true`	When true, the shape is scaled to fit the region.
`-fx-position-shape`	`true \| false`	`true`	When true, the shape is centered within the region.
`-fx-snap-to-pixel`	`true \| false`	`true`	When true, positions and sizes are rounded to whole pixel boundaries.
`-fx-min-width`	`<size>`	`-1`	Minimum width. -1 uses the computed minimum.
`-fx-pref-width`	`<size>`	`-1`	Preferred width. -1 uses the computed preferred.
`-fx-max-width`	`<size>`	`-1`	Maximum width. -1 uses the computed maximum.
`-fx-min-height`	`<size>`	`-1`	Minimum height. -1 uses the computed minimum.
`-fx-pref-height`	`<size>`	`-1`	Preferred height. -1 uses the computed preferred.
`-fx-max-height`	`<size>`	`-1`	Maximum height. -1 uses the computed maximum.

CSS Properties -- Node

Property	Values	Default	Description
`-fx-blend-mode`	`add \| blue \| color-burn \| color-dodge \| darken \| difference \| exclusion \| green \| hard-light \| lighten \| multiply \| overlay \| red \| screen \| soft-light \| src-atop \| src-in \| src-out \| src-over`	`null`	Blend mode used when compositing this node with nodes beneath it.
`-fx-cursor`	`null \| crosshair \| default \| hand \| move \| e-resize \| h-resize \| ne-resize \| nw-resize \| n-resize \| se-resize \| sw-resize \| s-resize \| w-resize \| v-resize \| text \| wait \| <url>`	`null` (inherits)	Mouse cursor shape shown when the pointer is over this node. Inherits from parent by default.
`-fx-effect`	`<effect>`	`null`	A visual effect (e.g. DropShadow, InnerShadow) applied to the rendered node.
`-fx-focus-traversable`	`true \| false`	`false`	Whether this node participates in focus traversal. Overridden to `true` by Control.
`-fx-view-order`	`<number>`	`0`	Adjusts rendering and hit-test order within the parent without changing the scene graph order.
`-fx-opacity`	`<number> [0.0 - 1.0]`	`1`	Opacity of the node. 0 is fully transparent, 1 is fully opaque.
`-fx-rotate`	`<number>`	`0`	Rotation angle in degrees applied around the node's center point. Positive values are clockwise.
`-fx-scale-x`	`<number>`	`1`	Scale factor along the X axis about the node's center.
`-fx-scale-y`	`<number>`	`1`	Scale factor along the Y axis about the node's center.
`-fx-scale-z`	`<number>`	`1`	Scale factor along the Z axis about the node's center.
`-fx-translate-x`	`<number>`	`0`	Translation offset along the X axis in pixels.
`-fx-translate-y`	`<number>`	`0`	Translation offset along the Y axis in pixels.
`-fx-translate-z`	`<number>`	`0`	Translation offset along the Z axis in pixels.
`visibility`	`visible \| hidden \| collapse \| inherit`	`visible`	Controls whether the node is rendered and participates in layout. `collapse` removes it from layout; `hidden` keeps the space.
`-fx-managed`	`true \| false`	`true`	When false, the parent layout does not manage this node's position or size.

Methods

ScrollPane ()

Initializes a new ScrollPane instance.
- @r this object
setContent (Val)

Sets the content to be displayed within the ScrollPane.
- @p Val The Node object to set as the content.
- @r void
setHBarPolicy (Policy)

Sets the horizontal scroll bar policy for the ScrollPane.
- @p Policy The scroll bar policy, using values from SpPolicy (e.g., SpPolicy.ALWAYS).
- @r this object for chaining
setVBarPolicy (Policy)

Sets the vertical scroll bar policy for the ScrollPane.
- @p Policy The scroll bar policy, using values from SpPolicy (e.g., SpPolicy.AS_NEEDED).
- @r this object for chaining
getContent ()

Returns the content node currently displayed inside the ScrollPane.
- @r A Node with the current content, or null if none is set.
setFitToWidth (bool Fit)

Sets whether the content width is expanded to match the viewport width.
- @p Fit is a bool with true to fit content to the viewport width.
- @r this object for chaining
setFitToHeight (bool Fit)

Sets whether the content height is expanded to match the viewport height.
- @p Fit is a bool with true to fit content to the viewport height.
- @r this object for chaining
setPannable (bool Pannable)

Sets whether the user can pan the content by pressing and dragging.
- @p Pannable is a bool with true to enable panning.
- @r this object for chaining
setHvalue (double Value)

Sets the current horizontal scroll position as a value between 0.0 and 1.0.
- @p Value is a double with the horizontal scroll position.
- @r this object for chaining
setVvalue (double Value)

Sets the current vertical scroll position as a value between 0.0 and 1.0.
- @p Value is a double with the vertical scroll position.
- @r this object for chaining
setId (string Id)

Sets the CSS id of this ScrollPane node.
- @p Id is a string with the CSS id.
- @r this object for chaining
setPrefSize (double Width, double Height)

Sets the preferred width and height of the ScrollPane.
- @p Width is a double with the preferred width in pixels.
- @p Height is a double with the preferred height in pixels.
- @r this object for chaining