GWT 2.7.0

## 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

Nested Class Summary
`static interface` | `AttachDetachException.Command` The command to execute when iterating through child widgets.

Field Summary
`(package private) static AttachDetachException.Command` | `attachCommand` The singleton command used to attach widgets.
`(package private) static AttachDetachException.Command` | `detachCommand` The singleton command used to detach widgets.

Constructor Summary
`AttachDetachException(java.util.Set<java.lang.Throwable> causes)` Construct a new `AttachDetachException`.

Method Summary
`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(java.lang.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
`fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### 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 Detail

### AttachDetachException

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

  Construct a new `AttachDetachException`.

  Parameters:
    `causes` - the causes of the exception

Method Detail

### 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

GWT 2.7.0