ZoomSupport (OpenMap API)
Date: 2016-12-09

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## com.bbn.openmap.event
Class ZoomSupport

    java.lang.Object
      java.util.concurrent.CopyOnWriteArrayList<E>
          com.bbn.openmap.event.ListenerSupport<ZoomListener>
              com.bbn.openmap.event.ZoomSupport

All Implemented Interfaces:
  java.io.Serializable, java.lang.Cloneable, java.lang.Iterable<ZoomListener>, java.util.Collection<ZoomListener>, java.util.List<ZoomListener>, java.util.RandomAccess

    public class ZoomSupport

extends ListenerSupport<ZoomListener>

This is a utility class that can be used by beans that need support for handling ZoomListeners and firing ZoomEvents. You can use an instance of this class as a member field of your bean and delegate work to it.

See Also:
  Serialized Form

Field Summary

Fields inherited from class com.bbn.openmap.event.ListenerSupport
`source`

Constructor Summary
`ZoomSupport(java.lang.Object sourceBean)` Construct a ZoomSupport.

Method Summary
`void` | `fireZoom(int zoomType, float amount)` Send a zoom event to all registered listeners.

Methods inherited from class com.bbn.openmap.event.ListenerSupport
`add, add, addAll, clear, getSource, iterator, listIterator, remove, remove, set, setSource, size`

Methods inherited from class java.util.concurrent.CopyOnWriteArrayList
`addAll, addAllAbsent, addIfAbsent, clone, contains, containsAll, equals, get, hashCode, indexOf, indexOf, isEmpty, lastIndexOf, lastIndexOf, listIterator, removeAll, retainAll, subList, toArray, toArray, toString`

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

Constructor Detail

### ZoomSupport

    public ZoomSupport(java.lang.Object sourceBean)

  Construct a ZoomSupport.

  Parameters:
    `sourceBean` - The bean to be given as the source for any events.

Method Detail

### fireZoom

    public void fireZoom(int zoomType,
                         float amount)

  Send a zoom event to all registered listeners.

  Parameters:
    `zoomType` - Either ZoomEvent.RELATIVE or ZoomEvent.ABSOLUTE
    `amount` - The new scale if ABSOLUTE, the multiplier if RELATIVE

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Copyright (C) BBNT Solutions LLC; See http://openmap.bbn.com/ for details