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:

java.io.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

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.

AttachDetachException

public AttachDetachException(java.util.Set<java.lang.Throwable> causes)

Construct a new AttachDetachException.

Parameters:

causes - the causes of the exception

tryCommand

public static void tryCommand(java.lang.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