public abstract class ListUI extends ComponentUI
JList
.Constructor and Description |
---|
ListUI()
Constructs a new
ListUI . |
Modifier and Type | Method and Description |
---|---|
abstract Rectangle |
getCellBounds(JList list,
int index1,
int index2)
Determines the bounding box of the rectangle spanned by
two list indices.
|
abstract Point |
indexToLocation(JList list,
int index)
Determines the location of the specified cell.
|
abstract int |
locationToIndex(JList list,
Point location)
Determines the cell index which is the closest to the specified
location.
|
contains, createUI, getAccessibleChild, getAccessibleChildrenCount, getMaximumSize, getMinimumSize, getPreferredSize, installUI, paint, uninstallUI, update
public ListUI()
ListUI
.public abstract int locationToIndex(JList list, Point location)
getCellBounds(javax.swing.JList, int, int)
.list
- the JList
for which this delegate object
provides the pluggable user interface.location
- a point in the JList
coordinate
system.public abstract Point indexToLocation(JList list, int index)
list
- the JList
for which this delegate object
provides the pluggable user interface.index
- the zero-based index of the cell whose location shall be
determined.JList
coordinate system, or null
if cell
does not designate a valid cell.public abstract Rectangle getCellBounds(JList list, int index1, int index2)
list
- the JList
for which this delegate object
provides the pluggable user interface.index1
- the zero-based index of the first cell.index2
- the zero-based index of the second cell.null
if either
index1
or index2
does not
designate a valid cell.