ModuleStatusPanel.java

package org.geoserver.web.admin;

import java.util.List;
import java.util.ListIterator;
import java.util.stream.Collectors;

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.basic.MultiLineLabel;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.image.Image;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.markup.html.panel.Fragment;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.Model;
import org.apache.wicket.model.PropertyModel;
import org.apache.wicket.request.resource.PackageResourceReference;
import org.geoserver.catalog.LayerInfo;
import org.geoserver.platform.GeoServerExtensions;
import org.geoserver.platform.ModuleStatus;
import org.geoserver.platform.ModuleStatusImpl;
import org.geoserver.web.CatalogIconFactory;
import org.geoserver.web.data.layer.LayerPage;
import org.geoserver.web.wicket.GeoServerAjaxFormLink;
import org.opengis.referencing.operation.MathTransform;

public class ModuleStatusPanel extends Panel {
    
    private static final long serialVersionUID = 3892224318224575781L;
    
    final CatalogIconFactory icons = CatalogIconFactory.get();
    
    ModalWindow popup;
    
    AjaxLink msgLink;
    
    public ModuleStatusPanel(String id, AbstractStatusPage parent) {
        super(id);
        initUI();
    }
    
    public void initUI() {
                
        final WebMarkupContainer wmc = new WebMarkupContainer("listViewContainer");
        wmc.setOutputMarkupId(true);
        this.add(wmc);
        
        popup = new ModalWindow("popup");
        add(popup);
        
        //get the list of ModuleStatuses
        GeoServerExtensions gse = new GeoServerExtensions();
        List<ModuleStatus> applicationStatus = gse.extensions(ModuleStatus.class).stream()
                .map(ModuleStatusImpl::new).collect(Collectors.toList());

        ListIterator<ModuleStatus> iter = applicationStatus.listIterator();
        while(iter.hasNext()) {
            if ( iter.next().getModule().toString().matches("\\A[system-](.*)")) {
               iter.remove();
            }
        }
        final ListView<ModuleStatus> moduleView = new ListView<ModuleStatus>("modules", applicationStatus) {
            private static final long serialVersionUID = 235576083712961710L;
            
            @Override
            protected void populateItem(ListItem<ModuleStatus> item) {
                item.add(new Label("module", new PropertyModel(item.getModel(), "module")));
                item.add(getIcons("available",item.getModelObject().isAvailable()));
                item.add(getIcons("enabled",item.getModelObject().isEnabled()));
                item.add(new Label("component", new Model(item.getModelObject().getComponent().orElse(""))));
                item.add(new Label("version", new Model(item.getModelObject().getVersion().orElse(""))));
                msgLink = new AjaxLink("msg") {
                    @Override
                    public void onClick(AjaxRequestTarget target) {
                        popup.setInitialHeight(325);
                        popup.setInitialWidth(525);
                        popup.setContent(new MessagePanel(popup.getContentId(), item));
                        popup.setTitle("Module Info");
                        popup.show(target);
                    }
                };
                msgLink.setEnabled(true);
                msgLink.add(new Label("nameLink", new PropertyModel(item.getModel(), "name")));
                item.add(msgLink);
            }
        };
        wmc.add(moduleView);
    }
    
    final Fragment getIcons(String id, boolean status) {
        PackageResourceReference icon = status? icons.getEnabledIcon() : icons.getDisabledIcon();
        Fragment f = new Fragment(id, "iconFragment", ModuleStatusPanel.this);
        f.add(new Image("statusIcon", icon));
        return f;
    };
    
    class MessagePanel extends Panel {

        private static final long serialVersionUID = -3200098674603724915L;

        public MessagePanel(String id, ListItem<ModuleStatus> item) {
            super(id);

            Label name = new Label("name", new PropertyModel(item.getModel(), "name"));
            Label module = new Label("module", new PropertyModel(item.getModel(),"module"));
            Label component = new Label("component", new Model(item.getModelObject().getComponent().orElse("")));
            Label version = new Label("version", new Model(item.getModelObject().getVersion().orElse("")));
            MultiLineLabel msgLabel = new MultiLineLabel("msg", item.getModelObject().getMessage().orElse(""));

            add(name);
            add(module);
            add(component);
            add(version);
            add(msgLabel);
        }
    }
}