ImageComposer.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2018 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.newsletter;
 
import java.io.File;
import org.turro.command.Command;
import org.turro.command.Context;
import org.turro.composer.EntityPathComposer;
import org.turro.elephant.context.ElephantContext;
import org.turro.i18n.I_;
import org.turro.publication.db.PublicationPU;
import org.turro.publication.entity.NewsSection;
import org.turro.zkoss.dialog.SelectionDialog;
import org.turro.zkoss.text.RepositoryContent;
import org.turro.zkoss.text.RepositoryWalker;
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zk.ui.select.annotation.Listen;
import org.zkoss.zk.ui.select.annotation.Wire;
import org.zkoss.zul.Html;
import org.zkoss.zul.Textbox;
 
public class ImageComposer extends EntityPathComposer<NewsSection> {
 
  @Wire("#image")
  private Html html;
  
  @Wire("#urlLink")
  private Textbox urlLink;
  
  @Listen("onClick = #selImage")
  public void onSelectImage() {
    RepositoryWalker repositories = new RepositoryWalker(null);
    repositories.selectFolder("/_internal/files" + PublicationPU.getObjectPath(entity.getNewsletter()));
    repositories.setFilter(RepositoryContent.IMAGE_FILTER);
    repositories.setReadOnlyRepository(entity.getNewsletter().getId() == null);
    repositories.setNoTreeRepository(false);
    SelectionDialog.showComponent(getPage(), I_.get("Repository"), repositories, "90%", "90%", new Command() {
      @Override
      public Object execute(Context context) {
        File result = repositories.getResult();
        if(result != null) {
          entity.setWiki("$no_wiki\n" + imageString(result));
          entity.setBody(imageString(result));
          html.setContent(entity.getBody());
          Events.postEvent(new Event(Events.ON_CHANGE));
        }
        return null;
      }
    });
  }
  
  @Listen("onChange = #urlLink")
  public void onUrlLink() {
    entity.setBanner(urlLink.getValue());
    Events.postEvent(new Event(Events.ON_CHANGE));
  }
  
  @Override
  public void doAfterCompose(Component comp) throws Exception {
    super.doAfterCompose(comp);
    html.setContent(entity.getBody());
    urlLink.setValue(entity.getBanner());
  }
 
  private String imageString(File image) {
    StringBuilder sb = new StringBuilder();
    sb.append("<img border=\"0\"  style=\"width:100%;\" src=\"")
            .append(ElephantContext.getRootWebPath())
            .append(ElephantContext.getRelativePath(image.getAbsolutePath()))
            .append("\"/>");
    return sb.toString();
  }
 
}