org.apache.pivot.wtk

Interface TableView.HeaderDataRenderer

All Superinterfaces:

ConstrainedVisual, Renderer, Visual

All Known Implementing Classes:

TableViewHeaderDataRenderer

Enclosing class:

TableView

public static interface TableView.HeaderDataRenderer
extends Renderer

Renderer interface to customize the appearance of the header of a TableView

Method Summary

Methods

Modifier and Type	Method and Description
void	render(Object data, int columnIndex, TableViewHeader tableViewHeader, String columnName, boolean highlighted) Prepares the renderer for layout or paint.
String	toString(Object item) Converts table view header data to a string representation.

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

getStyles

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

getBaseline, getPreferredHeight, getPreferredSize, getPreferredWidth, setSize

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

getBaseline, getHeight, getWidth, paint

Method Detail

render

void render(Object data,
          int columnIndex,
          TableViewHeader tableViewHeader,
          String columnName,
          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.

columnIndex - The index of the column being rendered.

tableViewHeader - The host component.

columnName - The name of the column being rendered.

highlighted - If true, the item is highlighted.

toString

String toString(Object item)

Converts table view header data to a string representation.

Parameters:

item -

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.