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Chapter 23 java.awt.peer Reference |
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ListPeer
Name
ListPeer
![[Graphic: Figure from the text]](./figs/listpee.gif)
Description
ListPeer is an interface that defines the basis for list components.
Interface Definition
public abstract interface java.awt.peer.ListPeer
extends java.awt.peer.ComponentPeer {
// Interface Methods
public abstract void add (String item, int index); 
public abstract void addItem (String item, int index); 
public abstract void clear();
public abstract void delItems (int start, int end);
public abstract void deselect (int index);
public abstract Dimension getMinimumSize (int rows);
public abstract Dimension getPreferredSize (int rows);
public abstract int[] getSelectedIndexes();
public abstract void makeVisible (int index);
public abstract Dimension minimumSize (int rows);
public abstract Dimension preferredSize (int rows);
public abstract void removeAll();
public abstract void select (int position);
public abstract void setMultipleMode (boolean b);
public abstract void setMultipleSelections (boolean value);
}
Interface Methods
add
public abstract void add (String item, int index)
- Parameters
-
- item
-
Text of an entry to add to the list.
- index
-
Position in which to add the entry; position 0 is the first entry in the list.
- item
- Description
-
Adds a new entry to the available choices of the list's peer at the designated position.
addItem
public abstract void addItem (String item, int index)
- Parameters
-
- item
-
Text of an entry to add to the list.
- index
-
Position in which to add the entry; position 0 is the first entry in the list.
- item
- Description
-
Adds a new entry to the available choices of the list's peer at the designated position. Replaced by add(String, int).
clear
public abstract void clear()
- Description
-
Clears all the entries out of the list's peer. Replaced by removeAll().
delItems
public abstract void delItems (int start, int end)
- Parameters
-
- start
-
Starting position of entries to delete.
- end
-
Ending position of entries to delete.
- start
- Description
-
Removes a set of entries from the list's peer.
deselect
public abstract void deselect (int index)
- Parameters
-
- index
-
Position to deselect.
- index
- Description
-
Deselects entry at designated position, if selected.
getMinimumSize
public abstract Dimension getMinimumSize (int rows)
- Parameters
-
- rows
-
Number of rows within list's peer to size.
- rows
- Returns
-
The minimum dimensions of a list's peer of the given size.
getPreferredSize
public abstract Dimension getPreferredSize (int rows)
- Parameters
-
- rows
-
Number of rows within list's peer to size.
- rows
- Returns
-
The preferred dimensions of a list's peer of the given size.
getSelectedIndexes
public abstract int[] getSelectedIndexes()
- Returns
-
Array of positions of currently selected entries in list's peer.
makeVisible
public abstract void makeVisible (int index)
- Parameters
-
- index
-
Position to make visible on screen.
- index
- Description
-
Ensures an item is displayed on the screen in the list's peer.
minimumSize
public abstract Dimension minimumSize (int rows)
- Parameters
-
- rows
-
Number of rows within list's peer to size.
- rows
- Returns
-
The minimum dimensions of a list's peer of the given size. Replaced by getMinimumSize(int).
preferredSize
public abstract Dimension preferredSize (int rows)
- Parameters
-
- rows
-
Number of rows within list's peer to size.
- rows
- Returns
-
The preferred dimensions of a list's peer of the given size. Replaced by getPreferredSize(int).
removeAll
public abstract void removeAll()
- Description
-
Clears all the entries out of the list's peer.
select
public abstract void select (int position)
- Parameters
-
- position
-
Position to select; 0 indicates the first item in the list.
- position
- Description
-
Makes the given entry the selected item for the list's peer; deselects other selected entries if multiple selections are not enabled.
setMultipleMode
public abstract void setMultipleMode (boolean value)
- Parameters
-
- value
-
true to allow multiple selections within the list's peer; false to disallow multiple selections.
- value
- Description
-
Changes list peer's selection mode.
setMultipleSelections
public abstract void setMultipleSelections (boolean value)
- Parameters
-
- value
-
true to allow multiple selections within the list's peer; false to disallow multiple selections.
- value
- Description
-
Changes list peer's selection mode. Replaced by setMultipleMode(boolean).
See Also
ComponentPeer, Dimension, String
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| LightweightPeer |
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MenuBarPeer |
