de.micromata.genome.gwiki.plugin.blog_1_0.GWikiBlogEntryAction.java Source code

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Here is the source code for de.micromata.genome.gwiki.plugin.blog_1_0.GWikiBlogEntryAction.java

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//
// Copyright (C) 2010-2016 Roger Rene Kommer & Micromata GmbH
//
// 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.micromata.genome.gwiki.plugin.blog_1_0;

import org.apache.commons.lang3.StringUtils;

import de.micromata.genome.gwiki.model.GWikiElementInfo;

/**
 * Controler for a blog entry page.
 * 
 * @author Roger Rene Kommer (r.kommer@micromata.de)
 * 
 */
public class GWikiBlogEntryAction extends GWikiBlogBaseActionBean {
    public boolean init() {
        blogPageId = wikiContext.getCurrentElement().getElementInfo().getParentId();
        if (StringUtils.isNotEmpty(blogPageId) == true) {
            blogPage = wikiContext.getWikiWeb().findElementInfo(blogPageId);
        }
        return super.init();
    }

    public void renderNextPrevPage() {
        GWikiElementInfo pe = null;
        GWikiElementInfo ne = null;
        if (blogPage == null) {
            return;
        }
        for (int i = 0; i < blogEntries.size(); ++i) {
            GWikiElementInfo ce = blogEntries.get(i);
            if (ce.getId().equals(wikiContext.getCurrentElement().getElementInfo().getId()) == true) {
                if (i > 0) {
                    pe = blogEntries.get(i - 1);
                }
                if (i + 1 < blogEntries.size()) {
                    ne = blogEntries.get(i + 1);
                }
                break;
            }
        }
        if (pe == null && ne == null) {
            return;
        }
        wikiContext.append("<div class=\"blogPageScroll\">");
        if (pe != null) {
            wikiContext.append(
                    wikiContext.renderExistingLink(pe, "<< " + wikiContext.getTranslatedProp(pe.getTitle()), null));
        }
        if (ne != null) {
            if (pe != null) {
                wikiContext.append("&nbsp;|&nbsp;");
            }
            wikiContext.append(
                    wikiContext.renderExistingLink(ne, wikiContext.getTranslatedProp(ne.getTitle()) + " >>", null));
        }
        wikiContext.append("</div>");
    }

    @Override
    public Object onInit() {
        if (init() == false) {
            return null;
        }
        return null;
    }
}