org.xaloon.wicket.component.comment.CurrentCommentListPanel.java Source code

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Here is the source code for org.xaloon.wicket.component.comment.CurrentCommentListPanel.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.comment;

import java.util.Iterator;
import java.util.Locale;

import org.apache.commons.lang.StringUtils;
import org.apache.wicket.ajax.markup.html.navigation.paging.AjaxPagingNavigator;
import org.apache.wicket.behavior.SimpleAttributeModifier;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.markup.repeater.RepeatingView;
import org.apache.wicket.markup.repeater.data.DataView;
import org.apache.wicket.markup.repeater.data.IDataProvider;
import org.apache.wicket.model.IModel;
import org.xaloon.wicket.component.util.Formatter;

/**
 * http://www.xaloon.org
 *
 * @author vytautas racelis
 */
public class CurrentCommentListPanel extends Panel {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    private static final int DEFAULT_PAGE_SIZE = 10;

    private WebMarkupContainer commentContainer;

    private String timezone;

    private boolean providerAll = false;

    private String dateFormat = "yy/MM/dd";
    private Locale locale = Locale.getDefault();
    private IDataProvider<AbstractComment> provider;
    private int itemsPerPage = DEFAULT_PAGE_SIZE;

    public CurrentCommentListPanel(String id, IModel<Commentable> model, String timezone,
            IDataProvider<AbstractComment> provider) {
        this(id, model, timezone, provider, DEFAULT_PAGE_SIZE);
    }

    public CurrentCommentListPanel(String id, IModel<Commentable> model, String timezone,
            IDataProvider<AbstractComment> provider, int itemsPerPage) {
        super(id, model);
        this.timezone = timezone;
        this.provider = provider;
        this.itemsPerPage = itemsPerPage;
    }

    public void init() {
        commentContainer = new WebMarkupContainer("commentContainer");
        commentContainer.setOutputMarkupId(true);
        add(commentContainer);

        load();
    }

    public void load() {
        commentContainer.removeAll();
        if (!providerAll) {
            // usual case with pages
            DataView<AbstractComment> dv = new DataView<AbstractComment>("rowContainer", provider, itemsPerPage) {

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

                @Override
                protected void populateItem(Item<AbstractComment> item) {
                    updateItem(item, item.getModelObject());
                }

            };
            commentContainer.add(dv);
            commentContainer.add(new AjaxPagingNavigator("navigator", dv));
        } else {
            // google app engine - special case - issues with DataView, ListView
            RepeatingView repeating = new RepeatingView("rowContainer");
            repeating.setOutputMarkupId(true);
            Iterator<? extends AbstractComment> result = provider.iterator(0, -1);
            while (result.hasNext()) {
                AbstractComment comment = result.next();
                WebMarkupContainer wmc = new WebMarkupContainer(repeating.newChildId());

                repeating.add(wmc);
                updateItem(wmc, comment);
            }
            commentContainer.add(repeating);
            commentContainer.add(new WebMarkupContainer("navigator").setVisible(false));
        }
    }

    protected void updateItem(WebMarkupContainer item, AbstractComment comment) {
        Label name = new Label("name", comment.getName());
        if (!StringUtils.isEmpty(comment.getWebsite())) {
            name.add(new SimpleAttributeModifier("href",
                    (comment.getWebsite().startsWith("http://") ? comment.getWebsite()
                            : "http://" + comment.getWebsite())));
        }
        item.add(name);
        item.add(new Label("createDate",
                Formatter.formatDateTime(timezone, comment.getCreateDate(), dateFormat, locale)));
        item.add(new Label("message", Formatter.prepareStringForHTML(comment.getMessage()))
                .setEscapeModelStrings(false));
    }

    public void setLocale(Locale locale) {
        this.locale = locale;
    }

    public void setDateFormat(String dateFormat) {
        this.dateFormat = dateFormat;
    }

    public String getDateFormat() {
        return dateFormat;
    }

    public void setProviderAll(boolean providerAll) {
        this.providerAll = providerAll;
    }

    public boolean isProviderAll() {
        return providerAll;
    }
}