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java.lang.Objectjavax.swing.plaf.ComponentUI
javax.swing.plaf.ListUI
public abstract class ListUI
An abstract base class for delegates that implement the pluggable
look and feel for a JList.
| Constructor Summary | |
|---|---|
ListUI()
Constructs a new ListUI. |
|
| Method Summary | |
|---|---|
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. |
| Methods inherited from class javax.swing.plaf.ComponentUI |
|---|
contains, createUI, getAccessibleChild, getAccessibleChildrenCount, getMaximumSize, getMinimumSize, getPreferredSize, installUI, paint, uninstallUI, update |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public ListUI()
ListUI.
| Method Detail |
|---|
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.
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