org.apache.pivot.wtk
Interface ListView.ItemRenderer

All Superinterfaces:
ConstrainedVisual, Renderer, Visual
All Known Implementing Classes:
ListViewColorItemRenderer, ListViewItemRenderer, TerraFileBrowserSkin.ListViewDriveRenderer, TerraFileBrowserSkin.ListViewFileRenderer
Enclosing class:
ListView

public static interface ListView.ItemRenderer
extends Renderer

Renderer interface to customize the appearance of items in a ListView.


Method Summary
 void render(Object item, int index, ListView listView, boolean selected, boolean checked, boolean highlighted, boolean disabled)
          Prepares the renderer for layout or paint.
 String toString(Object item)
          Converts a list item 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 item,
            int index,
            ListView listView,
            boolean selected,
            boolean checked,
            boolean highlighted,
            boolean disabled)
Prepares the renderer for layout or paint.

Parameters:
item - The item to render, or null if called to calculate preferred height for skins that assume a fixed renderer height.
index - The index of the item being rendered, or -1 if item is null.
listView - The host component.
selected - If true, the item is selected. the item.
checked - If true, the item is checked.
highlighted - If true, the item is highlighted.
disabled - If true, the item is disabled.

toString

String toString(Object item)
Converts a list item to a string representation.

Parameters:
item -
Returns:
The item's string representation, or null if the item does not have a string representation.

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