org.apache.tapestry.form
Class StringPropertySelectionModel

java.lang.Object
  org.apache.tapestry.form.StringPropertySelectionModel

All Implemented Interfaces:

IPropertySelectionModel

public class StringPropertySelectionModel
extends Object
implements IPropertySelectionModel

Implementation of IPropertySelectionModel that allows one String from an array of Strings to be selected as the property.

Uses a simple index number as the value (used to represent the selected String). This assumes that the possible values for the Strings will remain constant between request cycles.

Author:

Howard Lewis Ship

Constructor Summary

StringPropertySelectionModel(String[] options)
Standard constructor.

StringPropertySelectionModel(String[] options, boolean[] disabled)
Standard constructor.

Method Summary

String	getLabel(int index) Labels match options.
Object	getOption(int index) Returns one possible option that will be assigned to the server-side property.
int	getOptionCount() Returns the number of possible options.
String	getValue(int index) Values are indexes into the array of options.
boolean	isDisabled(int index) Used to help rendering of options that should be marked with the html disabled attribute.
Object	translateValue(String value) Returns the option corresponding to a value.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringPropertySelectionModel

public StringPropertySelectionModel(String[] options)

Standard constructor. The options are retained (not copied).

StringPropertySelectionModel

public StringPropertySelectionModel(String[] options,
                                    boolean[] disabled)

Standard constructor. The options are retained (not copied).

Method Detail

getOptionCount

public int getOptionCount()

Description copied from interface: IPropertySelectionModel

Returns the number of possible options.

Specified by:

getOptionCount in interface IPropertySelectionModel

getOption

public Object getOption(int index)

Description copied from interface: IPropertySelectionModel

Returns one possible option that will be assigned to the server-side property.

Specified by:

getOption in interface IPropertySelectionModel

getLabel

public String getLabel(int index)

Labels match options.

Specified by:

getLabel in interface IPropertySelectionModel

getValue

public String getValue(int index)

Values are indexes into the array of options.

Specified by:

getValue in interface IPropertySelectionModel

isDisabled

public boolean isDisabled(int index)

Description copied from interface: IPropertySelectionModel

Used to help rendering of options that should be marked with the html disabled attribute.

Specified by:

isDisabled in interface IPropertySelectionModel

Parameters:

index - The option to check.

Returns:

True if the option shouldn't be selectable, false otherwise.

translateValue

public Object translateValue(String value)

Description copied from interface: IPropertySelectionModel

Returns the option corresponding to a value. This is used when interpreting submitted form parameters.

Specified by:

translateValue in interface IPropertySelectionModel