public class DefaultElement extends DefaultDisplayable implements Element
DefaultElement
is a complete, default implementation of the Element
interface. This is a convenient starting point for the implementation of data classes which can be integrated with the IDE framework.
If a subclass of DefaultElement
adheres to the JavaBeans API, it can also interoperate with the IDE's marshalling framework, which is used for persistence. Such a subclass can be persisted automatically (i.e. no additional persistence code needs to be written), so long as the subclass implementation follows the guidelines of the marshalling framework. For details, see the documentation for the oracle.ide.marshal
package and its subpackages.
A JavaBean also has the advantage of interoperating with the property inspector. Newer IDE APIs are also being considered which leverage off the JavaBeans API, so implementing a DefaultElement
subclass to follow the JavaBeans API will also result in compatibility with future features.
Element
, oracle.ide.marshal
, oracle.ide.marshal.xml
Constructor and Description |
---|
DefaultElement()
Creates a new
DefaultElement instance. |
Modifier and Type | Method and Description |
---|---|
Attributes |
getAttributes()
Part of the
Element interface. |
java.util.Iterator |
getChildren()
Part of the
Element interface. |
java.lang.Object |
getData()
Part of the
Data interface. |
boolean |
mayHaveChildren()
Part of the
Element interface. |
getIcon, getLongLabel, getShortLabel, getToolTipText, toString
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
getIcon, getLongLabel, getShortLabel, getToolTipText, toString
public DefaultElement()
DefaultElement
instance.
Subclasses that are designed to operate as a JavaBean must supply a default constructor.
public java.lang.Object getData()
Data
interface. This implementation returns this
.public boolean mayHaveChildren()
Element
interface. This implementation always returns false
.mayHaveChildren
in interface Element
true
if this Element
may contain child Element
s.Element.mayHaveChildren()
public java.util.Iterator getChildren()
Element
interface. This implementation always returns null
.getChildren
in interface Element
Iterator
over any child Element
s contained by this Element
. If there are no children, null
is returned.Element.getChildren()
public Attributes getAttributes()
Element
interface. This implementation always returns ElementAttributes.DELETEABLE
.getAttributes
in interface Element
Element.getAttributes()