oracle.jdeveloper.asnav.nodes

Class DefaultManageableElement

java.lang.Object

oracle.ide.model.DefaultDisplayable

oracle.ide.model.DefaultElement

oracle.jdeveloper.asnav.nodes.DefaultManageableElement

All Implemented Interfaces:

Displayable, Element, Observer, Subject

Direct Known Subclasses:

DefaultManageableFolder, ServerElement

public class DefaultManageableElement
extends DefaultElement
implements Subject, Observer

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	DefaultManageableElement.TypeIterator<T> Class to work around type-erasure.

Field Summary

Fields

Modifier and Type	Field and Description
protected Manageable	manageable_
static int	STATE_CHANGED
static int	STRUCTURE_CHANGED

Constructor Summary

Constructors

Constructor and Description
DefaultManageableElement(Manageable manageable)

Method Summary

Modifier and Type	Method and Description
void	attach(Observer observer) Registers an observer interested in being notified when the internal state of the class implementing the Subject interface changes.
void	detach(Observer observer) Unregisters an observer that is not interested anymore in being notified when the internal state of the class implementing the Subject interface changes.
void	fireStateChanged()
void	fireStructureChanged()
java.lang.Object	getData() Part of the Element interface.
javax.swing.Icon	getIcon() This implementation returns a plain document icon.
Manageable	getManageable()
protected Element	getParent()
protected WaitCursor	getWaitCursor() Get the wait cursor associated with this elements.
protected boolean	isWaitCursorEnabled()
protected void	moStateChanged(AsAdapterEvent e) Called when the element detects that the MO it wraps has emitted a state-changed event.
protected void	moStructureChanged(StructureChangeEvent e) Called when the element detects that the MO it wraps has emitted a structure-change event.
void	notifyObservers(java.lang.Object subject, UpdateMessage change) Notifies all observers that the state of the subject has changed.
void	refresh() Refresh the underlying model.
protected void	setManageable(Manageable manageable)
protected void	setWaitCursorEnabled(boolean enabled) Should the wait cursor be shown automatically.
void	update(java.lang.Object observed, UpdateMessage change) Notification message.

Methods inherited from class oracle.ide.model.DefaultElement

getAttributes, getChildren, mayHaveChildren

Methods inherited from class oracle.ide.model.DefaultDisplayable

getLongLabel, getShortLabel, getToolTipText, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface oracle.ide.model.Displayable

getAttributedLabel, getLongLabel, getShortLabel, getToolTipText, toString

Field Detail

STATE_CHANGED

public static final int STATE_CHANGED

STRUCTURE_CHANGED

public static final int STRUCTURE_CHANGED

manageable_

protected Manageable manageable_

Constructor Detail

DefaultManageableElement

public DefaultManageableElement(Manageable manageable)

Method Detail

getManageable

public Manageable getManageable()

setManageable

protected void setManageable(Manageable manageable)

update

public void update(java.lang.Object observed,
                   UpdateMessage change)

Description copied from interface: Observer

Notification message. Subjects call this method when they notify their observers that the subjects state has changed.

Specified by:

update in interface Observer

Parameters:

observed - the subject whose state has changed.

change - what has changed.

refresh

public void refresh()

Refresh the underlying model. Sub-classes should implement Refreshable and override this method to do the actual refresh operation.

See Also:

DefaultManageableFolder

moStructureChanged

protected void moStructureChanged(StructureChangeEvent e)

Called when the element detects that the MO it wraps has emitted a structure-change event.

moStateChanged

protected void moStateChanged(AsAdapterEvent e)

Called when the element detects that the MO it wraps has emitted a state-changed event.

getWaitCursor

protected WaitCursor getWaitCursor()

Get the wait cursor associated with this elements.

The wait cursor may be exclusive or shared with other elements

setWaitCursorEnabled

protected final void setWaitCursorEnabled(boolean enabled)

Should the wait cursor be shown automatically.

Parameters:

enabled -

isWaitCursorEnabled

protected final boolean isWaitCursorEnabled()

attach

public void attach(Observer observer)

Description copied from interface: Subject

Registers an observer interested in being notified when the internal state of the class implementing the Subject interface changes. Implementors should do nothing when the same observer is added more than once.

Specified by:

attach in interface Subject

Parameters:

observer - the Observer interested in change notification messages.

detach

public void detach(Observer observer)

Description copied from interface: Subject

Unregisters an observer that is not interested anymore in being notified when the internal state of the class implementing the Subject interface changes. Implementors should do nothing when the same observer is removed more than once.

Specified by:

detach in interface Subject

Parameters:

observer - the Observer disinterested in change notification messages.

notifyObservers

public void notifyObservers(java.lang.Object subject,
                            UpdateMessage change)

Description copied from interface: Subject

Notifies all observers that the state of the subject has changed.

Specified by:

notifyObservers in interface Subject

Parameters:

subject - the subject whose state has changed.

change - what changed.

getData

public java.lang.Object getData()

Description copied from class: DefaultElement

Part of the Element interface. This implementation returns this.

Specified by:

getData in interface Element

Overrides:

getData in class DefaultElement

Returns:

the data object associated with this Element instance.

See Also:

Element.getData()

getIcon

public javax.swing.Icon getIcon()

Description copied from class: DefaultDisplayable

This implementation returns a plain document icon.

Specified by:

getIcon in interface Displayable

Overrides:

getIcon in class DefaultDisplayable

Returns:

the Icon to be displayed for the Displayable.

See Also:

Displayable.getIcon()

fireStateChanged

public void fireStateChanged()

fireStructureChanged

public void fireStructureChanged()

getParent

protected Element getParent()