com.ebmwebsourcing.webdesigner.presentation.gwt.client.metamodel.properties
Class DiagramProperty<T>

java.lang.Object
  com.ebmwebsourcing.webdesigner.presentation.gwt.client.metamodel.properties.DiagramProperty<T>

Type Parameters:

T - The property value type

All Implemented Interfaces:

HasValueAndDefaultValues<T>, com.google.gwt.event.logical.shared.HasValueChangeHandlers<T>, com.google.gwt.event.shared.HasHandlers, com.google.gwt.user.client.ui.HasValue<T>

public class DiagramProperty<T>
extends java.lang.Object
implements HasValueAndDefaultValues<T>, com.google.gwt.event.logical.shared.HasValueChangeHandlers<T>

This class is the base for the property system It uses generics. A property system allows to define models containing custom properties.

Author:

enhan

Constructor Summary

DiagramProperty(java.lang.String name, T defaultValue, DiagramModel owner)
Builds a DiagramProperty for a model.

Method Summary

protected <H extends com.google.gwt.event.shared.EventHandler> com.google.gwt.event.shared.HandlerRegistration	addHandler(H handler, com.google.gwt.event.shared.GwtEvent.Type<H> type) Adds this handler to the property.
com.google.gwt.event.shared.HandlerRegistration	addValueChangeHandler(com.google.gwt.event.logical.shared.ValueChangeHandler<T> handler)
void	copyPropertyValue(DiagramProperty<?> property)
DiagramProperty<T>	createNewInstanceOfProperty(DiagramElementInstance instance)
protected com.google.gwt.event.shared.HandlerManager	ensureHandlers()
void	fireEvent(com.google.gwt.event.shared.GwtEvent<?> event)
T	getDefaultValue()
DiagramElementInstance	getElementInstance()
java.lang.String	getName()
com.gwtext.client.core.NameValuePair	getNameValuePair()
T	getValue()
void	setDefaultValue(T v)
void	setObjectValue(java.lang.Object value, boolean fireEvent)
void	setValue(T arg0)
void	setValue(T arg0, boolean arg1)

Methods inherited from class java.lang.Object

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

Constructor Detail

DiagramProperty

public DiagramProperty(java.lang.String name,
                       T defaultValue,
                       DiagramModel owner)

Builds a DiagramProperty for a model. It's only a template. To create the property and assign it to a real DiagramElementInstance, see createNewInstanceOfProperty

Parameters:

name - the property name

defaultValue - a default value for the property (can't be null)

owner - the model where the property belongs

Method Detail

addHandler

protected final <H extends com.google.gwt.event.shared.EventHandler> com.google.gwt.event.shared.HandlerRegistration addHandler(H handler,
                                                                                                                                com.google.gwt.event.shared.GwtEvent.Type<H> type)

Adds this handler to the property.

Type Parameters:

H - the type of handler to add

Parameters:

type - the event type

handler - the handler

Returns:

HandlerRegistration used to remove the handler

ensureHandlers

protected com.google.gwt.event.shared.HandlerManager ensureHandlers()

fireEvent

public void fireEvent(com.google.gwt.event.shared.GwtEvent<?> event)

Specified by:

fireEvent in interface com.google.gwt.event.shared.HasHandlers

getName

public java.lang.String getName()

getElementInstance

public DiagramElementInstance getElementInstance()

getNameValuePair

public com.gwtext.client.core.NameValuePair getNameValuePair()

getDefaultValue

public T getDefaultValue()

Specified by:

getDefaultValue in interface HasValueAndDefaultValues<T>

setDefaultValue

public void setDefaultValue(T v)

Specified by:

setDefaultValue in interface HasValueAndDefaultValues<T>

getValue

public T getValue()

Specified by:

getValue in interface com.google.gwt.user.client.ui.HasValue<T>

setObjectValue

public void setObjectValue(java.lang.Object value,
                           boolean fireEvent)

setValue

public void setValue(T arg0)

Specified by:

setValue in interface com.google.gwt.user.client.ui.HasValue<T>

setValue

public void setValue(T arg0,
                     boolean arg1)

Specified by:

setValue in interface com.google.gwt.user.client.ui.HasValue<T>

addValueChangeHandler

public com.google.gwt.event.shared.HandlerRegistration addValueChangeHandler(com.google.gwt.event.logical.shared.ValueChangeHandler<T> handler)

Specified by:

addValueChangeHandler in interface com.google.gwt.event.logical.shared.HasValueChangeHandlers<T>

createNewInstanceOfProperty

public DiagramProperty<T> createNewInstanceOfProperty(DiagramElementInstance instance)

copyPropertyValue

public void copyPropertyValue(DiagramProperty<?> property)