Package org.apache.pivot.wtk

Interface Button.DataRenderer

All Superinterfaces:

ConstrainedVisual, Renderer, Visual

All Known Implementing Classes:

AccordionHeaderDataRenderer, ButtonDataRenderer, CalendarButtonDataRenderer, LinkButtonDataRenderer, ListButtonColorItemRenderer, ListButtonDataRenderer, MenuBarItemDataRenderer, MenuButtonDataRenderer, MenuItemDataRenderer, TerraFileBrowserSkin.ListButtonDriveRenderer, TerraFileBrowserSkin.ListButtonFileRenderer, TerraVFSBrowserSkin.ListButtonDriveRenderer, TerraVFSBrowserSkin.ListButtonFileRenderer, VerticalButtonDataRenderer

Enclosing class:

Button

public static interface Button.DataRenderer
extends Renderer

Renderer interface to customize the appearance of data in a Button.

Method Summary

Modifier and Type	Method	Description
void	render(java.lang.Object data, Button button, boolean highlighted)	Prepares the renderer for layout or paint.
java.lang.String	toString(java.lang.Object data)	Converts button data to a string representation.

Methods inherited from interface org.apache.pivot.wtk.ConstrainedVisual

getBaseline, getPreferredHeight, getPreferredSize, getPreferredWidth, setSize, setSize

Methods inherited from interface org.apache.pivot.wtk.Renderer

getStyles

Methods inherited from interface org.apache.pivot.wtk.Visual

getBaseline, getHeight, getSize, getWidth, paint

Method Detail

render

void render(java.lang.Object data,
            Button button,
            boolean highlighted)

Prepares the renderer for layout or paint.

Parameters:

data - The data to render, or null if called to calculate preferred height for skins that assume a fixed renderer height.

button - The host component.

highlighted - If true, the item is highlighted.

toString

java.lang.String toString(java.lang.Object data)

Converts button data to a string representation.

Parameters:

data - The button's data.

Returns:

The data's string representation, or null if the data does not have a string representation.

Note that this method may be called often during keyboard navigation, so implementations should avoid unnecessary string allocations.