org.xulux.api.gui
Interface IPropertyHandler

public interface IPropertyHandler

The interface for propertyhandlers..

Version:

$Id: IPropertyHandler.java,v 1.1 2005/12/18 12:58:15 mvdb Exp $

Author:

Martin van den Bemt

Field Summary

static java.lang.String	DELAYED Wait for initialisation of the widget and then call the handler
static java.lang.String	IMMIDIATE When a property needs to change immidiately.
static java.lang.String	INIT Initialize the native widget
static java.lang.String	NORMAL Only call the property handler when the property is set.
static java.lang.String	POST_INIT Post Initialize the native widget
static java.lang.String	PRE_INIT Pre Initialize the native widget
static java.lang.String	REFRESH call property on refresh (which is essntially always the case)

Method Summary

void	destroy() Destroys the property handler and all it's resources
java.lang.Object	getValue()
boolean	handleProperty(IWidget widget, IProperty property) Handle the property for the widget specified.
void	init() Initialises the propertyhandler

Field Detail

REFRESH

static final java.lang.String REFRESH

call property on refresh (which is essntially always the case)

See Also:

Constant Field Values

NORMAL

static final java.lang.String NORMAL

Only call the property handler when the property is set.

See Also:

Constant Field Values

DELAYED

static final java.lang.String DELAYED

Wait for initialisation of the widget and then call the handler

See Also:

Constant Field Values

PRE_INIT

static final java.lang.String PRE_INIT

Pre Initialize the native widget

See Also:

Constant Field Values

INIT

static final java.lang.String INIT

Initialize the native widget

See Also:

Constant Field Values

POST_INIT

static final java.lang.String POST_INIT

Post Initialize the native widget

See Also:

Constant Field Values

IMMIDIATE

static final java.lang.String IMMIDIATE

When a property needs to change immidiately.

See Also:

Constant Field Values

Method Detail

init

void init()

Initialises the propertyhandler

handleProperty

boolean handleProperty(IWidget widget,
                       IProperty property)

Handle the property for the widget specified. You can choose to use the registered property name(s) or just figure out the naming yourself.

Parameters:

widget - - the widget to handle the property for.

property - - the property to handle

Returns:

true when the property has been succesfully handled

getValue

java.lang.Object getValue()

Returns:

the value that is associated with propertyhandler. If this is not used, it will just return null. Normally this is a value that is needed across properties and within the widget

destroy

void destroy()

Destroys the property handler and all it's resources