SecurityNamedServicesTogglePanel.java

/* (c) 2014 - 2016 Open Source Geospatial Foundation - all rights reserved
 * (c) 2001 - 2013 OpenPlans
 * This code is licensed under the GPL 2.0 license, available at the root
 * application directory.
 */
package org.geoserver.security.web;

import java.util.List;

import org.apache.wicket.AttributeModifier;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.behavior.AttributeAppender;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.model.PropertyModel;
import org.geoserver.security.config.SecurityNamedServiceConfig;

/**
 * Panel that lists out all secuirty services, providing a toggle to collapse/expand each one 
 * showing/hiding its contents.
 * 
 * @author Justin Deoliveira, OpenGeo
 */
public abstract class SecurityNamedServicesTogglePanel<T extends SecurityNamedServiceConfig> 
    extends Panel {

    public SecurityNamedServicesTogglePanel(String id, IModel<List<T>> model) {
        super(id);

        Form form = new Form("form");
        add(form);
        
        form.add(new ListView<T>("services", model) {
            @Override
            protected void populateItem(final ListItem<T> item) {
                IModel<T> model = item.getModel();
                AjaxLink toggle = new AjaxLink<T>("toggle", model) {
                    @Override
                    public void onClick(AjaxRequestTarget target) {
                        if (item.get("panel") instanceof ContentPanel) {
                            //toggle off
                            item.addOrReplace(new WebMarkupContainer("panel"));
                            item.get("toggle")
                                .add(new AttributeModifier("class", new Model("collapsed")));
                        }
                        else {
                            //toggle on
                            item.addOrReplace(createPanel("panel", item.getModel()));
                            item.get("toggle")
                                .add(new AttributeModifier("class", new Model("expanded")));
                        }
                        target.add(item);
                    }
                };
                toggle.add(new Label("name", new PropertyModel(model, "name")));

                boolean first = item.getIndex() == 0;
                toggle.add(
                    new AttributeAppender("class", new Model(first?"expanded":"collapsed"), " "));
                item.add(toggle);

                item.add(first ? 
                    createPanel("panel", model) : new WebMarkupContainer("panel"));
                item.setOutputMarkupId(true);
            }
        });
    }

    protected abstract ContentPanel createPanel(String id, IModel<T> config);

    protected static class ContentPanel<T> extends Panel {

        public ContentPanel(String id, final IModel<T> model) {
            super(id);

            add(new Link("edit") {
                @Override
                public void onClick() {
                    SecurityNamedServiceEditPage editPage = new SecurityNamedServiceEditPage(model);
                    editPage.setReturnPage(getPage());
                    setResponsePage(editPage);
                }
            });
        }
    }
}