com.redhat.rhn.frontend.listview

Class AlphaBar

java.lang.Object

com.redhat.rhn.frontend.listview.AlphaBar

public class AlphaBar
extends java.lang.Object

AlphaBar, helper class to render a listing of letters/digits that are contained in a set. For example a a simple text list could be generated with a list of letters contained within the set passed into the getAlphaList() method.

       Map<Character, Integer> charset = new HashMap<Character, Integer>();
       charset.add(new Character('A'));
       charset.add(new Character('M'));
       charset.add(new Character('Z'));
       charset.add(new Character('5'));
       AlphaBar ab = new AlphaBar("{0}* ", "{0} ");
       System.out.println(ab.getAlphaList(charset));
 

produces the following output: A* B C D E F G H I J K L M* N O P Q R S T U V W X Y Z* 1 2 3 4 5* 6 7 8 9 0 With each letter highlighted with an * indicating its contained within the set

Constructor Summary

Constructors

Constructor and Description
AlphaBar(java.lang.String charEnabledIn, java.lang.String charDisabledIn) Public constructor.

Method Summary

Modifier and Type	Method and Description
java.lang.String	getAlphaList(java.util.Map<java.lang.Character,java.lang.Integer> charsEnabled) get the alphabetical list of enabled and disabled elements in the alphabet.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AlphaBar

public AlphaBar(java.lang.String charEnabledIn,
                java.lang.String charDisabledIn)

Public constructor. In order for the characters to be parameterized on a per character basis, the paramters must include a numbered parameter to indicate where to place the alphanumeric character within the string if it is or is not contained within the set. This simply means you must include a {0} in the string to indicate where you want the character to go. If the Character is enabled, {1} represents the starting point in the DataResult of that character.

Parameters:

charEnabledIn - the MessageFormat style text

charDisabledIn - the MessageFormat style text

Method Detail

getAlphaList

public java.lang.String getAlphaList(java.util.Map<java.lang.Character,java.lang.Integer> charsEnabled)

get the alphabetical list of enabled and disabled elements in the alphabet. See above for examples.

Parameters:

charsEnabled - the set of characters that are contained within the listview.

Returns:

String representation of Alpha bar with the correct characters enabled.