NewsItem.java

/*
 * Copyright (C) 2000 - 2025 Silverpeas
 *
 * 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.
 *
 * As a special exception to the terms and conditions of version 3.0 of
 * the GPL, you may redistribute this Program in connection with Free/Libre
 * Open Source Software ("FLOSS") applications as described in Silverpeas's
 * FLOSS exception.  You should have received a copy of the text describing
 * the FLOSS exception, and it is also available here:
 * "https://www.silverpeas.org/legal/floss_exception.html"
 *
 * 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.silverpeas.mobile.client.apps.navigation.pages.widgets;

import com.google.gwt.core.client.GWT;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.Anchor;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.Widget;
import org.silverpeas.mobile.client.apps.navigation.events.app.external.NavigationShowContentEvent;
import org.silverpeas.mobile.client.common.EventBus;
import org.silverpeas.mobile.client.resources.ApplicationMessages;
import org.silverpeas.mobile.shared.dto.ContentDTO;
import org.silverpeas.mobile.shared.dto.ContentsTypes;
import org.silverpeas.mobile.shared.dto.news.NewsDTO;

public class NewsItem extends Composite implements ClickHandler {

  private NewsDTO data;
  private int max, index;
  private boolean displayPager = true;
  private static FavoriteItemUiBinder uiBinder = GWT.create(FavoriteItemUiBinder.class);
  @UiField
  Anchor picto;
  @UiField
  HTML content, indicator;
  protected ApplicationMessages msg = null;

  interface FavoriteItemUiBinder extends UiBinder<Widget, NewsItem> {}

  public NewsItem() {
    initWidget(uiBinder.createAndBindUi(this));
    msg = GWT.create(ApplicationMessages.class);
    addDomHandler(this, ClickEvent.getType());
  }

  public void setData(int index, int max, NewsDTO data) {
    this.index = index;
    this.max = max;
    this.data = data;
    String thumbnailUrl = data.getVignette();
    boolean hasThumbnail = thumbnailUrl != null && !thumbnailUrl.isEmpty();
    picto.setVisible(hasThumbnail);
    picto.setHTML(hasThumbnail ? "<img src='" + SafeHtmlUtils.htmlEscape(thumbnailUrl) +
        "' alt='' loading='lazy' decoding='async'/>" : "");
    String date = data.getUpdateDate();
    String dateHtml = !displayPager && date != null && !date.isEmpty() ?
        "<p class='news-date'>" + SafeHtmlUtils.htmlEscape(date) + "</p>" : "";
    content.setHTML(
        "<h2><a href='#'>" + SafeHtmlUtils.htmlEscape(data.getTitle()) + "</a></h2>" +
            dateHtml + "<p class='news-excerpt'>" + data.getDescription() + "</p>");
    if (displayPager) {
      indicator.setHTML("<span>" + index + "</span>/" + max);
    }
  }

  @Override
  public void onClick(final ClickEvent event) {
    event.preventDefault();
    ContentDTO content = new ContentDTO();
    content.setId(data.getId());
    content.setContributionId(data.getIdNews());
    content.setType(ContentsTypes.News.toString());
    content.setInstanceId(data.getInstanceId());
    EventBus.getInstance().fireEvent(new NavigationShowContentEvent(content));

  }

  public void setDisplayPager(boolean displayPager) {
    this.displayPager = displayPager;
    if (displayPager) {
      getElement().removeClassName("homepage-news-list-item");
      content.setStylePrimaryName("caption");
    } else {
      getElement().addClassName("homepage-news-list-item");
      content.setStylePrimaryName("caption-list");
    }
  }

}