org.deegree.portal.portlet.modules.map.actions.portlets
Class ScaleChooserPortletPerform

java.lang.Object
  org.deegree.portal.portlet.modules.actions.AbstractPortletPerform
      org.deegree.portal.portlet.modules.actions.IGeoPortalPortletPerform
          org.deegree.portal.portlet.modules.map.actions.portlets.ScaleChooserPortletPerform

public class ScaleChooserPortletPerform
extends IGeoPortalPortletPerform

This Perform class takes care of changing the WMC's bounding box based on a scale paramter. The parameter is passed in the request. The paramter name is defined by the static member NEW_SCALE_VALUE

Version:

$Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $

Author:

Ugo Taddei, last edited by: $Author: mschneider $

Field Summary

static String	AVAILABLE_SCALES
static double	DEFAULT_PIXEL_SIZE
static String	REQUESTED_SCALE_VALUE

Fields inherited from class org.deegree.portal.portlet.modules.actions.IGeoPortalPortletPerform

PARAM_BBOX, PARAM_LAYER, PARAM_MAPMODE, PARAM_SESSIONID, PARAM_STYLE, sc, SESSION_HISTORY, SESSION_HISTORYPOSITION, vcMap

Fields inherited from class org.deegree.portal.portlet.modules.actions.AbstractPortletPerform

AVAILABLE_WMC, CURRENT_WMC, CURRENT_WMC_NAME, INIT_MAPPORTLETID, INIT_WMC, PARAM_MAPACTION, PARAM_MAPPORTLET, PARAM_MODE, parameter, portlet, request, SESSION_CURRENTFILAYER, SESSION_HOME, SESSION_VIEWCONTEXT

Constructor Summary

ScaleChooserPortletPerform(javax.servlet.http.HttpServletRequest request, org.apache.jetspeed.portal.Portlet portlet, javax.servlet.ServletContext sc)
private constructor

Method Summary

void	buildNormalContext() this method will be called each time a portlet will be repainted.
(package private) void	doChangeScale() This method changes the scale of the current bounding box

Methods inherited from class org.deegree.portal.portlet.modules.actions.IGeoPortalPortletPerform

getCurrentMapContextName, getCurrentMapContextName, getCurrentViewContext, getCurrentViewContext, getNamedViewContext, getNamedViewContext, setBoundingBox, setBoundingBox, setBoundingBoxFromBBOXParam, setCurrentMapContext, setCurrentMapContext, setCurrentMapContextName, setCurrentMapContextName, setLayers, setMode, setNameContext, setNameContext, updateContext

Methods inherited from class org.deegree.portal.portlet.modules.actions.AbstractPortletPerform

getInitParam, getMapPortletID, readMapContextID_

Methods inherited from class java.lang.Object

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

Field Detail

REQUESTED_SCALE_VALUE

public static final String REQUESTED_SCALE_VALUE

See Also:

Constant Field Values

AVAILABLE_SCALES

public static final String AVAILABLE_SCALES

See Also:

Constant Field Values

DEFAULT_PIXEL_SIZE

public static final double DEFAULT_PIXEL_SIZE

See Also:

Constant Field Values

Constructor Detail

ScaleChooserPortletPerform

ScaleChooserPortletPerform(javax.servlet.http.HttpServletRequest request,
                           org.apache.jetspeed.portal.Portlet portlet,
                           javax.servlet.ServletContext sc)

private constructor

Parameters:

request -

portlet -

sc -

Method Detail

buildNormalContext

public void buildNormalContext()
                        throws PortalException

Description copied from class: AbstractPortletPerform

this method will be called each time a portlet will be repainted. It determines all portlets visible in a page and writes a Map with the portlets name as key and the portlets ID as value into the forwarded HttpRequest object

Overrides:

buildNormalContext in class AbstractPortletPerform

Throws:

PortalException

doChangeScale

void doChangeScale()
             throws PortalException

This method changes the scale of the current bounding box

Throws:

PortalException