org.xaloon.wicket.component.classifier.panel.ClassifiersPanel.java Source code

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Here is the source code for org.xaloon.wicket.component.classifier.panel.ClassifiersPanel.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.xaloon.wicket.component.classifier.panel;

import java.util.Iterator;
import java.util.List;

import javax.inject.Inject;

import org.apache.wicket.Component;
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.basic.Label;
import org.apache.wicket.markup.html.link.BookmarkablePageLink;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.markup.repeater.ReuseIfModelsEqualStrategy;
import org.apache.wicket.markup.repeater.data.DataView;
import org.apache.wicket.markup.repeater.data.IDataProvider;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.xaloon.core.api.classifier.Classifier;
import org.xaloon.core.api.classifier.dao.ClassifierDao;
import org.xaloon.core.api.plugin.AbstractPluginBean;
import org.xaloon.core.api.plugin.EmptyPlugin;
import org.xaloon.wicket.component.classifier.ldm.ClassifierLoadableModel;
import org.xaloon.wicket.component.classifier.page.ClassifiersItemPage;
import org.xaloon.wicket.component.classifier.page.ClassifiersPage;
import org.xaloon.wicket.component.navigation.DecoratedPagingNavigatorContainer;
import org.xaloon.wicket.util.Link;

/**
 * @author vytautas r.
 */
public class ClassifiersPanel extends AbstractClassifiersPanel {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;

    /**
     * The page parameter
     */
    public static final String PARAM_CLASSIFIER_TYPE = "classifier_type";

    @Inject
    private ClassifierDao classifierDao;

    /**
     * Construct.
     * 
     * @param id
     * @param pageParameters
     */
    public ClassifiersPanel(String id, PageParameters pageParameters) {
        super(id, pageParameters);
        setOutputMarkupId(true);
    }

    /**
     * @return classifier dao instance
     */
    private ClassifierDao getClassifierDao() {
        return classifierDao;
    }

    @Override
    protected void onInitialize(EmptyPlugin plugin, AbstractPluginBean pluginBean) {
        // Add data container
        final DecoratedPagingNavigatorContainer<Classifier> dataContainer = new DecoratedPagingNavigatorContainer<Classifier>(
                "container", getCurrentRedirectLink());
        add(dataContainer);

        // Add data view
        final DataView<Classifier> classifierDataView = new DataView<Classifier>("item-list",
                new ClassifierDataProvider()) {
            private static final long serialVersionUID = 1L;

            @Override
            protected void populateItem(Item<Classifier> item) {
                Classifier classifier = item.getModelObject();

                // Add link
                PageParameters pageParameters = new PageParameters();
                pageParameters.set(PARAM_CLASSIFIER_TYPE, classifier.getType());
                BookmarkablePageLink<Void> link = new BookmarkablePageLink<Void>("link-item",
                        ClassifiersItemPage.class, pageParameters);
                item.add(link);
                link.add(new Label("type", new Model<String>(classifier.getType())));

                // Add name
                item.add(new Label("name", new Model<String>(classifier.getName())));
            }
        };
        dataContainer.addAbstractPageableView(classifierDataView);
        classifierDataView.setItemReuseStrategy(ReuseIfModelsEqualStrategy.getInstance());
        dataContainer.setVisible(true);

        // Create modal window to create new classifier
        final ModalWindow addNewClassifierModalWindow = new CustomModalWindow("modal-new-item", "title") {
            private static final long serialVersionUID = 1L;

            @Override
            protected void addComponentsToRefresh(java.util.List<Component> components) {
                components.add(dataContainer);
            };
        };
        addNewClassifierModalWindow.setContent(
                new NewClassifierPanel<Classifier>(addNewClassifierModalWindow, getPageRequestParameters()));
        add(addNewClassifierModalWindow);

        // add create new classifier link
        add(new AjaxLink<Void>("link-add-new-item") {
            private static final long serialVersionUID = 1L;

            @Override
            public void onClick(AjaxRequestTarget target) {
                addNewClassifierModalWindow.show(target);
            }
        });
    }

    protected Link getCurrentRedirectLink() {
        return new Link(ClassifiersPage.class, getPageRequestParameters());
    }

    private class ClassifierDataProvider implements IDataProvider<Classifier> {

        /**
         * 
         */
        private static final long serialVersionUID = 1L;

        @Override
        public void detach() {
        }

        @Override
        public Iterator<Classifier> iterator(long first, long count) {
            List<Classifier> items = getClassifierDao().findClassifiers(first, count);
            return items.iterator();
        }

        @Override
        public long size() {
            return getClassifierDao().getCount();
        }

        @Override
        public IModel<Classifier> model(Classifier object) {
            return new ClassifierLoadableModel<Classifier>(object.getId());
        }
    }
}