org.mortbay.html
Class Select

java.lang.Object
  |
  +--org.mortbay.html.Element
        |
        +--org.mortbay.html.Composite
              |
              +--org.mortbay.html.Block
                    |
                    +--org.mortbay.html.Select

public class Select
extends Block

HTML select Block.

See Also:
Block

Field Summary
 
Fields inherited from class org.mortbay.html.Block
Bold, Center, Div, Italic, Left, Listing, Plain, Pre, Quote, Right, Span, Xmp
 
Fields inherited from class org.mortbay.html.Element
ALIGN, BGCOLOR, BOTTOM, CENTER, CLASS, COLOR, HEIGHT, ID, LEFT, MIDDLE, noAttributes, RIGHT, SIZE, STYLE, TOP, VALIGN, WIDTH
 
Constructor Summary
Select(java.lang.String name, boolean multiple)
           
Select(java.lang.String name, boolean multiple, java.lang.String[] options)
           
 
Method Summary
 Select add(java.util.Enumeration e)
           
 Composite add(java.lang.Object o)
          Add option and specify if selected.
 Select add(java.lang.Object o, boolean selected)
          Add option and specify if selected.
 Select add(java.lang.Object o, boolean selected, java.lang.String value)
          Add an option.
 Select add(java.lang.String[] arr, int selected)
          Build a select from the given array of Strings.
 Select add(java.lang.String[] arr, java.lang.String selected)
          Build a select from the given array of Strings.
static int bitsetFormResult(java.lang.String result)
          Utility function for multi-selectors.
 Select setSize(int size)
          Set the number of options to display at once
 
Methods inherited from class org.mortbay.html.Block
write
 
Methods inherited from class org.mortbay.html.Composite
contents, nest, replace, reset, setNest, size, unnest
 
Methods inherited from class org.mortbay.html.Element
attribute, attribute, attribute, attributes, attributes, bgColor, bottom, center, color, cssClass, cssID, height, height, height, left, middle, right, setAttributesFrom, size, size, style, top, toString, width, width, width, write, write
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

Select

public Select(java.lang.String name,
              boolean multiple)
Parameters:
name - Name of the form element
multiple - Whether multiple selections can be made

Select

public Select(java.lang.String name,
              boolean multiple,
              java.lang.String[] options)
Parameters:
name - Name of the form element
multiple - Whether multiple selections can be made
Method Detail

setSize

public Select setSize(int size)
Set the number of options to display at once


add

public Select add(java.util.Enumeration e)

add

public Composite add(java.lang.Object o)
Add option and specify if selected.

Overrides:
add in class Composite
Parameters:
o - The Object to add. If it is a String or Element, it is added directly, otherwise toString() is called.
Returns:
This Composite (for chained commands)

add

public Select add(java.lang.Object o,
                  boolean selected)
Add option and specify if selected.


add

public Select add(java.lang.Object o,
                  boolean selected,
                  java.lang.String value)
Add an option.

Parameters:
o - The name of the option (displayed in the form)
selected - Whether the option is selected
value - The value of this option (returned in the form content)

add

public Select add(java.lang.String[] arr,
                  int selected)
Build a select from the given array of Strings. The values of the select are the indexes into the array of the strings, which are used as the labels on the selector.

Parameters:
arr - The array of strings for labels
selected - The index of the selected label, -1 for default

add

public Select add(java.lang.String[] arr,
                  java.lang.String selected)
Build a select from the given array of Strings. The values of the select are the indexes into the array of the strings, which are used as the labels on the selector.

Parameters:
arr - The array of strings for labels
selected - The index of the selected label, -1 for default

bitsetFormResult

public static int bitsetFormResult(java.lang.String result)
Utility function for multi-selectors.

This function takes the result returned by a multi-select input and produces an integer bit-set result of the selections made. It assumes the values of the multi-select are all different powers of 2.



Copyright ? 2000 Mortbay Consulting Pty. Ltd. All Rights Reserved.