ZoomChangedListener (GMap3 9.8.0 API)

java.lang.Object
- org.apache.wicket.behavior.Behavior
- - org.apache.wicket.behavior.AbstractAjaxBehavior
  - - org.apache.wicket.ajax.AbstractDefaultAjaxBehavior
    - - org.wicketstuff.gmap.event.GEventListenerBehavior
      - org.wicketstuff.gmap.event.ZoomChangedListener

All Implemented Interfaces:

Serializable, IComponentAwareEventSink, IRequestListener, IComponentAwareHeaderContributor, IClusterable
```
public abstract class ZoomChangedListener
extends GEventListenerBehavior
```
See "zoom_changed" in the event section of google.maps.Map class .

See Also:

Serialized Form

Field Summary
- Fields inherited from class org.apache.wicket.ajax.AbstractDefaultAjaxBehavior
  INDICATOR

Constructor Summary

Constructors
Constructor Description

ZoomChangedListener()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`protected String`	`getEvent()`	See: Event table after google.maps.Map class.
`protected void`	`onEvent(AjaxRequestTarget target)`	Typically response parameters that are meant for this event are picket up and made available for the further processing.
`protected abstract void`	`onZoomChanged(AjaxRequestTarget target)`	Override this method to provide handling of a zoom_changed event. You can get the new center coordinates of the map by calling `GMap.getCenter()`.

Methods inherited from class org.wicketstuff.gmap.event.GEventListenerBehavior
getGMap, getJSaddListener, getStatelessHint, onBind, respond

Methods inherited from class org.apache.wicket.ajax.AbstractDefaultAjaxBehavior
findIndicatorId, getAttributes, getCallbackFunction, getCallbackFunctionBody, getCallbackScript, getCallbackScript, onMethodMismatch, onRequest, postprocessConfiguration, renderAjaxAttributes, renderAjaxAttributes, renderHead, updateAjaxAttributes

Methods inherited from class org.apache.wicket.behavior.AbstractAjaxBehavior
afterRender, bind, getCallbackUrl, getComponent, onComponentRendered, onComponentTag, onComponentTag, onUnbind, unbind

Methods inherited from class org.apache.wicket.behavior.Behavior
beforeRender, canCallListener, detach, isEnabled, isTemporary, onAttribute, onConfigure, onEvent, onException, onRemove, onTag

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

Methods inherited from interface org.apache.wicket.IRequestListener
rendersPage

- Constructor Detail
  - ZoomChangedListener
```
public ZoomChangedListener()
```
- Method Detail
  - getEvent
```
protected String getEvent()
```
    Description copied from class: GEventListenerBehavior
    
    See: Event table after google.maps.Map class.
    
    Specified by:
    
    getEvent in class GEventListenerBehavior
    
    Returns:
    
    The name of the GMap Event that this Listener ought to listen to.
    
    See Also:
    
    GEventListenerBehavior.getEvent()
  - onEvent
```
protected void onEvent(AjaxRequestTarget target)
```
    Description copied from class: GEventListenerBehavior
    
    Typically response parameters that are meant for this event are picket up and made available for the further processing.
    
    Specified by:
    
    onEvent in class GEventListenerBehavior
    
    Parameters:
    
    target - Target to add the Components, that need to be redrawn, to.
    
    See Also:
    
    GEventListenerBehavior.onEvent(org.apache.wicket.ajax.AjaxRequestTarget)
  - onZoomChanged
```
protected abstract void onZoomChanged(AjaxRequestTarget target)
```
    Override this method to provide handling of a zoom_changed event.
    You can get the new center coordinates of the map by calling GMap.getCenter().
    
    Parameters:
    
    target - the target that initiated the move