voji.utils
Class VChoice

java.lang.Object
  |
  +--voji.utils.VChoice

public class VChoice

extends java.lang.Object

This class facilates implementing a choice for the user. There are methods for mapping between names, values and indices.

Field Summary

protected java.lang.Object[][]	data An Array of (name,value) pairs containing the data
protected int	defIndex The default index.

Constructor Summary

VChoice()
Creates a new VChoice instance without data

VChoice(java.lang.Object[] initValues)
Creates a new VChoice instance with initial data

Method Summary

java.lang.Object[]	elements() Returns an Array for Lists and ComboBoxes
java.lang.Object	i2v(int index) Returns the value of an index
int	v2i(java.lang.Object value) Returns the index of a value

Methods inherited from class java.lang.Object

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

Field Detail

data

protected java.lang.Object[][] data

An Array of (name,value) pairs containing the data

defIndex

protected int defIndex

The default index. Usually, it's -1, but it can be overwritten by using a null value.

Constructor Detail

VChoice

public VChoice(java.lang.Object[] initValues)

Creates a new VChoice instance with initial data

Parameters:

initValues - an array of name-value-name-value-...

VChoice

public VChoice()

Creates a new VChoice instance without data

Method Detail

v2i

public int v2i(java.lang.Object value)

Returns the index of a value

Parameters:

value - the value that has to be looked for

Returns:

the corresponding index or the default index if the value wasn't found

i2v

public java.lang.Object i2v(int index)

Returns the value of an index

Parameters:

index - the index where to look at

Returns:

the corresponding value

elements

public java.lang.Object[] elements()

Returns an Array for Lists and ComboBoxes

Returns:

an Array containing all names