ch.elexis.core.databinding
Class PersistentObjectObservableValue

java.lang.Object
  ch.elexis.core.databinding.PersistentObjectObservableValue

All Implemented Interfaces:

IChangeListener

public class PersistentObjectObservableValue
extends java.lang.Object
implements IChangeListener

This is an IObservableValue conforming to JFace Databinding. Its constructor takes IPersistentObject and a field to observe as parameter

Author:

gerry

Constructor Summary

PersistentObjectObservableValue(IPersistentObject myObject, java.lang.String myField)
Create an IObservableValue

Method Summary

void	addChangeListener(IChangeListener listener)
void	addDisposeListener(IDisposeListener listener)
void	addStaleListener(IStaleListener listener)
void	addValueChangeListener(IValueChangeListener listener)
void	dispose()
Realm	getRealm()
java.lang.Object	getValue()
java.lang.Object	getValueType()
boolean	isDisposed()
boolean	isStale()
void	objectDisposing(IPersistentObject object) The tracked Object gets disposed.
void	removeChangeListener(IChangeListener listener)
void	removeDisposeListener(IDisposeListener listener)
void	removeStaleListener(IStaleListener listener)
void	removeValueChangeListener(IValueChangeListener listener)
void	setValue(java.lang.Object value)
void	valueChanged(IPersistentObject object, java.lang.String field, java.lang.Object oldValue, java.lang.Object newValue) Value of the bound property is changing.

Methods inherited from class java.lang.Object

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

Constructor Detail

PersistentObjectObservableValue

public PersistentObjectObservableValue(IPersistentObject myObject,
                                       java.lang.String myField)

Create an IObservableValue

Parameters:

myObject - Object from the storage system

myField - property to observe

Method Detail

objectDisposing

public void objectDisposing(IPersistentObject object)

Description copied from interface: IChangeListener

The tracked Object gets disposed. Disposal will happen immediately after this method returns.

Specified by:

objectDisposing in interface IChangeListener

Parameters:

object - The object that is about to dispose

getRealm

public Realm getRealm()

addChangeListener

public void addChangeListener(IChangeListener listener)

removeChangeListener

public void removeChangeListener(IChangeListener listener)

addStaleListener

public void addStaleListener(IStaleListener listener)

removeStaleListener

public void removeStaleListener(IStaleListener listener)

isStale

public boolean isStale()

addDisposeListener

public void addDisposeListener(IDisposeListener listener)

removeDisposeListener

public void removeDisposeListener(IDisposeListener listener)

isDisposed

public boolean isDisposed()

dispose

public void dispose()

getValueType

public java.lang.Object getValueType()

getValue

public java.lang.Object getValue()

setValue

public void setValue(java.lang.Object value)

addValueChangeListener

public void addValueChangeListener(IValueChangeListener listener)

removeValueChangeListener

public void removeValueChangeListener(IValueChangeListener listener)

valueChanged

public void valueChanged(IPersistentObject object,
                         java.lang.String field,
                         java.lang.Object oldValue,
                         java.lang.Object newValue)

Description copied from interface: IChangeListener

Value of the bound property is changing. Note: It is not defined whether the change happened already or is about to happen.

Specified by:

valueChanged in interface IChangeListener

Parameters:

object - Object whose property changes

field - name of the changing property

oldValue - previous value of the property

newValue - new value of the property