Package com.google.gwt.user.client.ui

Class AttachDetachException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.lang.RuntimeException

com.google.web.bindery.event.shared.UmbrellaException

com.google.gwt.event.shared.UmbrellaException

com.google.gwt.user.client.ui.AttachDetachException

All Implemented Interfaces:

Serializable

public class AttachDetachException
extends UmbrellaException

An exception that is thrown when the panel fails to attach or detach its children.

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	AttachDetachException.Command	The command to execute when iterating through child widgets.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static final AttachDetachException.Command	attachCommand	The singleton command used to attach widgets.
(package private) static final AttachDetachException.Command	detachCommand	The singleton command used to detach widgets.

Constructor Summary

Constructors

Constructor	Description
AttachDetachException(Set<Throwable> causes)	Construct a new AttachDetachException.

Method Summary

Modifier and Type	Method	Description
static void	tryCommand(AttachDetachException.Command c, IsWidget... widgets)	Iterator through all child widgets, trying to perform the specified AttachDetachException.Command for each.
static void	tryCommand(Iterable<Widget> hasWidgets, AttachDetachException.Command c)	Iterator through all child widgets, trying to perform the specified AttachDetachException.Command for each.

Methods inherited from class com.google.web.bindery.event.shared.UmbrellaException

getCauses, makeCause, makeMessage

Methods inherited from class java.lang.Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class java.lang.Object

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

Field Details

attachCommand

static final AttachDetachException.Command attachCommand

The singleton command used to attach widgets.

detachCommand

static final AttachDetachException.Command detachCommand

The singleton command used to detach widgets.

Constructor Details

AttachDetachException

public AttachDetachException(Set<Throwable> causes)

Construct a new AttachDetachException.

Parameters:

causes - the causes of the exception

Method Details

tryCommand

public static void tryCommand(Iterable<Widget> hasWidgets,
 AttachDetachException.Command c)

Iterator through all child widgets, trying to perform the specified AttachDetachException.Command for each. All widgets will be visited even if the Command throws an exception. If one or more exceptions occur, they will be combined and thrown as a single AttachDetachException.

Use this method when attaching or detaching a widget with children to ensure that the logical and physical state of all children match the logical and physical state of the parent.

Parameters:

hasWidgets - children to iterate

c - the AttachDetachException.Command to try on all children

tryCommand

public static void tryCommand(AttachDetachException.Command c,
 IsWidget... widgets)

Iterator through all child widgets, trying to perform the specified AttachDetachException.Command for each. All widgets will be visited even if the Command throws an exception. If one or more exceptions occur, they will be combined and thrown as a single AttachDetachException.

Use this method when attaching or detaching a widget with children to ensure that the logical and physical state of all children match the logical and physical state of the parent.

Parameters:

c - the AttachDetachException.Command to try on all children

widgets - children to iterate, null children are ignored