StylePage.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.wms.web.data;

import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.link.BookmarkablePageLink;
import org.apache.wicket.markup.html.panel.Fragment;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.model.StringResourceModel;
import org.geoserver.catalog.CatalogInfo;
import org.geoserver.catalog.StyleInfo;
import org.geoserver.web.ComponentAuthorizer;
import org.geoserver.web.GeoServerSecuredPage;
import org.geoserver.web.data.SelectionRemovalLink;
import org.geoserver.web.data.workspace.WorkspaceEditPage;
import org.geoserver.web.wicket.GeoServerDataProvider.Property;
import org.geoserver.web.wicket.GeoServerDialog;
import org.geoserver.web.wicket.GeoServerTablePanel;
import org.geoserver.web.wicket.SimpleBookmarkableLink;

/**
 * Page listing all the styles, allows to edit, add, remove styles
 */
@SuppressWarnings("serial")
public class StylePage extends GeoServerSecuredPage {
    
    GeoServerTablePanel<StyleInfo> table;
    
    SelectionRemovalLink removal;

    GeoServerDialog dialog;


    public StylePage() {
        StyleProvider provider = new StyleProvider();
        add(table = new GeoServerTablePanel<StyleInfo>("table", provider, true) {

            @Override
            protected Component getComponentForProperty(String id, IModel<StyleInfo> itemModel,
                    Property<StyleInfo> property) {
                
                if ( property == StyleProvider.NAME ) {
                    return styleLink( id, itemModel );
                }
                if (property == StyleProvider.WORKSPACE) {
                    return workspaceLink(id, itemModel);
                }
                return null;
            }
            
            @Override
            protected void onSelectionUpdate(AjaxRequestTarget target) {
                removal.setEnabled(table.getSelection().size() > 0);
                target.add(removal);
            }  
            
        });
        table.setOutputMarkupId(true);
        
        // the confirm dialog
        add(dialog = new GeoServerDialog("dialog"));
        setHeaderPanel(headerPanel());
        
    }
    
    protected Component headerPanel() {
        Fragment header = new Fragment(HEADER_PANEL, "header", this);
        
        // the add button
        header.add(new BookmarkablePageLink<StyleNewPage>("addNew", StyleNewPage.class));
        
        // the removal button
        header.add(removal = new SelectionRemovalLink("removeSelected", table, dialog) {
            @Override
            protected StringResourceModel canRemove(CatalogInfo object) {
                if (isDefaultStyle(object)) {
                    return new StringResourceModel("cantRemoveDefaultStyle", StylePage.this, null );
                }
                return null;
            }
        });
        removal.setOutputMarkupId(true);
        removal.setEnabled(false);
        
        return header;
    }

    Component styleLink( String id, IModel<StyleInfo> model ) {
        IModel<?> nameModel = StyleProvider.NAME.getModel(model);
        IModel<?> wsModel = StyleProvider.WORKSPACE.getModel(model);
        
        String name = (String) nameModel.getObject();
        String wsName = (String) wsModel.getObject();

        return new SimpleBookmarkableLink(id, StyleEditPage.class, nameModel, 
            StyleEditPage.NAME, name, StyleEditPage.WORKSPACE, wsName);
    }

    Component workspaceLink( String id, IModel<StyleInfo> model ) {
        IModel<?> wsNameModel = StyleProvider.WORKSPACE.getModel(model);
        String wsName = (String) wsNameModel.getObject();
        if (wsName != null) {
            return new SimpleBookmarkableLink(
                id, WorkspaceEditPage.class, new Model<String>(wsName), "name", wsName);
        }
        else {
            return new WebMarkupContainer(id);
        }
    }

    @Override
    protected ComponentAuthorizer getPageAuthorizer() {
        return ComponentAuthorizer.WORKSPACE_ADMIN;
    }

    protected static boolean isDefaultStyle(CatalogInfo catalogInfo) {
        if (catalogInfo instanceof StyleInfo) {
            StyleInfo s = (StyleInfo) catalogInfo;
            return StyleInfo.DEFAULT_POINT.equals(s.getName()) || StyleInfo.DEFAULT_LINE.equals(s.getName())
                || StyleInfo.DEFAULT_POLYGON.equals(s.getName())
                || StyleInfo.DEFAULT_RASTER.equals(s.getName()) || StyleInfo.DEFAULT_GENERIC.equals(s.getName());
        } else {
            return false;
        }
    }
}