de.lichtflut.glasnost.is.pages.PerceptionDisplayPage.java Source code

Introduction

Here is the source code for de.lichtflut.glasnost.is.pages.PerceptionDisplayPage.java

Source

/*
 * Copyright (C) 2013 lichtflut Forschungs- und Entwicklungsgesellschaft mbH
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package de.lichtflut.glasnost.is.pages;

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.apache.wicket.spring.injection.annot.SpringBean;
import org.apache.wicket.util.string.StringValue;
import org.arastreju.sge.model.nodes.ResourceNode;
import org.arastreju.sge.naming.QualifiedName;

import de.lichtflut.glasnost.is.components.devops.perceptions.PerceptionDisplayPanel;
import de.lichtflut.glasnost.is.model.logic.Perception;
import de.lichtflut.rb.application.base.RBBasePage;
import de.lichtflut.rb.application.common.CommonParams;
import de.lichtflut.rb.core.services.SemanticNetworkService;
import de.lichtflut.rb.webck.common.DisplayMode;

/**
 * <p>
 * This page allows you to display details of a {@link Perception}s.
 * </p>
 * Created: Jan 4, 2013
 * 
 * @author Ravi Knox
 */
public class PerceptionDisplayPage extends RBBasePage {

    @SpringBean
    private SemanticNetworkService networkService;

    // ---------------- Constructor -------------------------

    /**
     * Constructor.
     * PageParameters might contain
     * <ul><li>
     * {@link CommonParams#PARAM_RESOURCE_ID}
     * </li><ul>
     * @param parameters PageParamter
     */
    public PerceptionDisplayPage(final PageParameters parameters) {
        super(parameters);
        IModel<Perception> model = getPerceptionFromParam(parameters);

        addPerceptionDisplay("perceptionDisplay", model);
    }

    /**
     * Constructor.
     * @param model Model containing the {@link Perception}
     */
    public PerceptionDisplayPage(final IModel<Perception> model) {
        addPerceptionDisplay("perceptionDisplay", model);
    }

    // ------------------------------------------------------

    /**
     * Create perception display.
     * 
     * @param id Component id
     * @param model IModel of the perception
     */
    private void addPerceptionDisplay(final String id, final IModel<Perception> model) {
        PerceptionDisplayPanel panel = new PerceptionDisplayPanel(id, model) {
            @Override
            protected void onSubmit(final AjaxRequestTarget target, final Form<?> form) {
                PageParameters parameters = new PageParameters();
                parameters.add(CommonParams.PARAM_RESOURCE_ID, model.getObject().getQualifiedName());
                parameters.add(DisplayMode.PARAMETER, DisplayMode.EDIT);
                setResponsePage(PerceptionEditPage.class, parameters);
            }
        };
        add(panel);
    }

    private IModel<Perception> getPerceptionFromParam(final PageParameters parameters) {
        StringValue id = parameters.get(CommonParams.PARAM_RESOURCE_ID);
        DisplayMode displayMode = DisplayMode.fromParams(parameters);
        IModel<Perception> model;
        if (DisplayMode.VIEW.name().equals(displayMode.name())) {
            ResourceNode node = networkService.find(new QualifiedName(id.toString()));
            model = new Model<Perception>(new Perception(node));
        } else {
            model = new Model<Perception>(new Perception());
        }
        return model;
    }
}