LayerGroupNewPage.java

/* Copyright (c) 2001 - 2007 TOPP - www.openplans.org. All rights reserved.
 * This code is licensed under the GPL 2.0 license, available at the root
 * application directory.
 */
package org.geoserver.web.data.layergroup;

import java.util.Collections;
import java.util.logging.Level;

import org.apache.wicket.PageParameters;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.SubmitLink;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.model.CompoundPropertyModel;
import org.apache.wicket.validation.IValidatable;
import org.apache.wicket.validation.validator.AbstractValidator;
import org.geoserver.catalog.Catalog;
import org.geoserver.catalog.LayerGroupInfo;
import org.geoserver.web.GeoServerSecuredPage;

/**
 * Allows creation of a new layer group
 */
@SuppressWarnings("serial")
public class LayerGroupNewPage extends GeoServerSecuredPage {

    public LayerGroupNewPage() {
        LayerGroupInfo lg = getCatalog().getFactory().createLayerGroup();
        Form form = new Form( "form", new CompoundPropertyModel( lg ) );
        add(form);
        
        TextField name = new TextField( "name" );
        name.setRequired(true);
        name.add(new GroupNameValidator());
        form.add(name);
        form.add( new SubmitLink( "submit", form ) {
            @Override
            public void onSubmit() {
                LayerGroupInfo lg = (LayerGroupInfo) getForm().getModelObject();
                
                Catalog catalog = getCatalog();
                try {
                    catalog.add( lg );
                    
                    lg = catalog.getLayerGroup( lg.getId() );
                    setResponsePage(LayerGroupEditPage.class, 
                            new PageParameters(LayerGroupEditPage.GROUP + "=" + lg.getName()));
                } catch( Exception e ) {
                    error( e );
                    LOGGER.log( Level.WARNING, "Error creating new layer group.", e );
                }
            }
            
        });
        form.add( new SubmitLink( "cancel", form ) {
            @Override
            public void onSubmit() {
                setResponsePage(LayerGroupPage.class);
            }
        });
    }
    
    class GroupNameValidator extends AbstractValidator {

        @Override
        protected void onValidate(IValidatable validatable) {
            String name = (String) validatable.getValue();
            if(getCatalog().getLayerGroupByName(name) != null)
                error(validatable, "duplicateGroupNameError", Collections.singletonMap("name", name));
        }
        
    }
}