DescribeItComposer.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2013 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.zul.describeit;
 
import java.util.Date;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.turro.auth.Authentication;
import org.turro.composer.EntityPathComposer;
import org.turro.contacts.Contact;
import org.turro.contacts.DescribeIt;
import org.turro.contacts.db.ContactsPU;
import org.turro.describeit.DescribeItUtil;
import org.turro.elephant.context.ElephantContext;
import org.turro.i18n.I_;
import org.turro.jpa.Dao;
import org.turro.parser.wiki.WikiCompiler;
import org.turro.zkoss.dialog.PreviewHtml;
import org.turro.zkoss.text.WikiEditor;
import org.zkoss.lang.Strings;
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.event.EventListener;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zk.ui.event.InputEvent;
import org.zkoss.zk.ui.select.annotation.Listen;
import org.zkoss.zk.ui.select.annotation.Wire;
import org.zkoss.zul.Tab;
import org.zkoss.zul.Tabbox;
import org.zkoss.zul.Tabpanel;
 
public class DescribeItComposer extends EntityPathComposer {
 
  private List<DescribeIt> list;
  private int currentIndex = 0;
  
  @Wire("#dieditors")
  private Tabbox dieditors;
  
  @Listen("onClick = #preview")
  public void onPreview() {
    try {
      PreviewHtml.preview(list.get(currentIndex).getBody());
    } catch (InterruptedException ex) {
      Logger.getLogger(DescribeItComposer.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
    }
  }
 
  @Listen("onClick = #save")
  public void onSave() {
    Dao dao = new ContactsPU();
    DescribeIt di = list.get(currentIndex);
    if(!Strings.isBlank(di.getBody())) {
      di = dao.saveObject(di);
      list.set(currentIndex, di);
      Tabpanel tp = (Tabpanel) dieditors.getTabpanels().getChildren().get(currentIndex);
      tp.getChildren().clear();
      tp.appendChild(createWiki(di));
    } else if(di.getId() != null) {
      dao.deleteObject(di);
    }
  }
 
  @Override
  public void doAfterCompose(Component comp) throws Exception {
    super.doAfterCompose(comp);
    list = (List<DescribeIt>) DescribeItUtil.descriptions(entityPath);
    if(list == null || list.isEmpty()) {
      DescribeIt di = new DescribeIt();
      di.setCreator((Contact) Authentication.getIContact().getContact());
      di.setDateCreation(new Date());
      di.setPath(entityPath);
      di.setDescribeId(DescribeItUtil.DEFAULT_ID);
      list.add(di);
    }
    currentIndex = 0;
    for(DescribeIt di : list) {
      String label = DescribeItUtil.DEFAULT_ID.equals(di.getDescribeId()) ?
              I_.get(DescribeItUtil.DEFAULT_ID) :
              di.getDescribeId();
      dieditors.getTabs().appendChild(new Tab(label));
      Tabpanel tp = new Tabpanel();
      tp.appendChild(createWiki(di));
      dieditors.getTabpanels().appendChild(tp);
    }
  }
 
  private WikiEditor createWiki(final DescribeIt describeIt) {
    WikiEditor wiki = new WikiEditor();
    wiki.setWidth("100%");
    wiki.setHeight("100%");
    wiki.setValue(describeIt.getWiki());
    wiki.setImageFolder("/_internal/files" + describeIt.getPath());
    wiki.setFileFolder("/_internal/files" + describeIt.getPath());
    wiki.setReadonly(false);
    wiki.addEventListener(Events.ON_CHANGE, new EventListener<InputEvent>() {
      @Override
      public void onEvent(InputEvent event) throws Exception {
        describeIt.setWiki(event.getValue());
        describeIt.setBody(WikiCompiler.source(describeIt.getWiki()).html());
      }
    });
    return wiki;
  }
  
}