/* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2004, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*/
package org.locationtech.udig.project.internal.impl;
import org.locationtech.udig.project.interceptor.LayerInterceptor;
import org.locationtech.udig.project.internal.Layer;
import org.locationtech.udig.project.internal.Map;
import org.locationtech.udig.project.internal.render.ViewportModel;
import org.locationtech.udig.ui.ProgressManager;
import org.geotools.geometry.jts.ReferencedEnvelope;
/**
* If first layer it sets the viewport bounds to be the bounds of the layer.
*
* @author jesse
* @since 1.1.0
*/
public class InitMapBoundsInterceptor implements LayerInterceptor {
public void run( Layer layer ) {
if(layer.getMap()==null ){
// this check is here because we could be doing a copy
return;
}
if(layer.getMap().getProject() == null) {
// this check is here because we are probably loading
return;
}
Map map = layer.getMapInternal();
ReferencedEnvelope bounds = map.getViewportModelInternal().getBounds();
// If first layer or if the crs has been unchanged from the original BBox
if( map.getMapLayers().size()==1 || bounds==ViewportModel.NIL_BBOX){
bounds = map.getBounds(ProgressManager.instance().get());
map.getViewportModelInternal().setBounds(bounds);
}
}
}