net.sf.tacos.model
Class BeanPropertySelectionModel

java.lang.Object
  net.sf.tacos.model.BeanPropertySelectionModel

All Implemented Interfaces:

Serializable, org.apache.tapestry.form.IPropertySelectionModel

public class BeanPropertySelectionModel
extends Object
implements org.apache.tapestry.form.IPropertySelectionModel, Serializable

This class is a property selection model for an object list. This is used in PropertySelection, MultiplePropertySelection or Palette tapestry components. For example, to use for a Hospital class, and have the labels be the hospital names. List<Hospital> list = ...; return new BeanPropertySelectionModel(hospitals, "name"); This will use getName() on the Hospital object, as its display.

Author:

Gabriel Handford

See Also:

Serialized Form

Constructor Summary

BeanPropertySelectionModel()
Build an empty property selection model.

BeanPropertySelectionModel(Collection c, String labelField)
Build a bean property selection model.

BeanPropertySelectionModel(List list, String labelField)
Build a bean property selection model.

Method Summary

String	getLabel(int index) Get the label at index.
Object	getOption(int index) Get the option at index.
int	getOptionCount() Get the number of options.
String	getValue(int index) Get the value at index.
Object	translateValue(String value) Translate value to object.

Methods inherited from class java.lang.Object

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

Constructor Detail

BeanPropertySelectionModel

public BeanPropertySelectionModel()

Build an empty property selection model.

BeanPropertySelectionModel

public BeanPropertySelectionModel(List list,
                                  String labelField)

Build a bean property selection model.

Parameters:

list - The list

labelField - The label field

BeanPropertySelectionModel

public BeanPropertySelectionModel(Collection c,
                                  String labelField)

Build a bean property selection model.

Parameters:

c - Collection

labelField - The label field

Method Detail

getOptionCount

public int getOptionCount()

Get the number of options.

Specified by:

getOptionCount in interface org.apache.tapestry.form.IPropertySelectionModel

Returns:

option count

getOption

public Object getOption(int index)

Get the option at index.

Specified by:

getOption in interface org.apache.tapestry.form.IPropertySelectionModel

Parameters:

index - Index

Returns:

object Object at index

getLabel

public String getLabel(int index)

Get the label at index.

Specified by:

getLabel in interface org.apache.tapestry.form.IPropertySelectionModel

Parameters:

index - Index

Returns:

label Label at index

getValue

public String getValue(int index)

Get the value at index.

Specified by:

getValue in interface org.apache.tapestry.form.IPropertySelectionModel

Parameters:

index - Index

Returns:

value Value at index

translateValue

public Object translateValue(String value)

Translate value to object.

Specified by:

translateValue in interface org.apache.tapestry.form.IPropertySelectionModel

Parameters:

value - Value

Returns:

object Object from value