org.deegree_impl.clients.wmsclient.control
Class ZoomOutListener

java.lang.Object
  org.deegree_impl.enterprise.control.AbstractListener
      org.deegree_impl.clients.wmsclient.control.AbstractMapListener
          org.deegree_impl.clients.wmsclient.control.ZoomOutListener

All Implemented Interfaces:

java.util.EventListener, WebListener

public class ZoomOutListener

extends AbstractMapListener

will be called if the client forces a zoomin action. the new map will be centered onto the point the user had mouse-clicked to. the point is defined within the submitting settings.

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Version:

$Revision: 1.5 $ $Date: 2004/02/23 07:47:47 $

Author:

Andreas Poth

Field Summary

Fields inherited from class org.deegree_impl.enterprise.control.AbstractListener

Constructor Summary

ZoomOutListener()

Method Summary

void	actionPerformed(FormEvent event) the method will be called if a zoomout action/event occurs.
protected double	getScale(WMSGetMapRequest mrm) the method returns the scale of the map defined as diagonal size of a pixel at the center of the map.
private WMSGetMapRequest	modifyModel(WMSClientConfiguration config, java.util.HashMap model)
protected java.util.HashMap	toMap(java.lang.String request) maps a string representation of a request to a HashMap

Methods inherited from class org.deegree_impl.enterprise.control.AbstractListener

getAlternativeNextPage, getNextPage, getRequest, getReturnValue, gotoErrorPage, handle, setAlternativeNextPage, setDefaultAlternativeNextPage, setDefaultNextPage, setNextPage, setReturnValue, toModel

Methods inherited from class java.lang.Object

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

Constructor Detail

ZoomOutListener

public ZoomOutListener()

Method Detail

actionPerformed

public void actionPerformed(FormEvent event)

the method will be called if a zoomout action/event occurs.

Specified by:

actionPerformed in interface WebListener

Overrides:

actionPerformed in class AbstractMapListener

Parameters:

event -

modifyModel

private WMSGetMapRequest modifyModel(WMSClientConfiguration config,
                                     java.util.HashMap model)
                              throws InconsistentRequestException,
                                     XMLParsingException,
                                     java.net.MalformedURLException

Throws:

InconsistentRequestException

XMLParsingException

java.net.MalformedURLException

toMap

protected java.util.HashMap toMap(java.lang.String request)

maps a string representation of a request to a HashMap

getScale

protected double getScale(WMSGetMapRequest mrm)

the method returns the scale of the map defined as diagonal size of a pixel at the center of the map.