Elephant/elephant-alliance/src/main/java/org/turro/alliance/www/CategoriesTree.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2022 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.alliance.www;
 
import java.util.List;
import org.turro.string.Strings;
import org.turro.alliance.db.AlliancePU;
import org.turro.alliance.db.entities.AxCategory;
import org.turro.collections.Item;
import org.turro.elephant.context.ElephantContext;
import org.turro.elephant.context.IConstructor;
import org.turro.elephant.db.WhereClause;
import org.turro.elephant.util.Images;
import org.turro.jpa.content.TreeDaoContentIterator;
import org.turro.marker.ElephantMarker;
import org.turro.path.Path;
import org.turro.plugin.contacts.IContact;
import org.turro.visual.VisualElements;
 
public class CategoriesTree extends TreeDaoContentIterator<Object, Object> {
 
  public CategoriesTree(IConstructor constructor, String context, IContact contact) {
    super(new AlliancePU(), new ElephantMarker(constructor), context, contact);
  }
 
  @Override
  protected WhereClause getItemClause(String currPath) {
    WhereClause wc = new WhereClause();
    wc.addClause("select g from AxCategory g");
    wc.addClause("where 1=1");
    if(Strings.isBlank(currPath)) {
      wc.addClause("and 1=2");
    } else {
      wc.addClause("and g.uniquePath = :pathName");
      wc.addNamedValue("pathName", currPath);
    }
    return wc;
  }
 
  @Override
  protected Object getEntity(Object value) {
    return value instanceof String ? getDao().find(AxCategory.class, Long.valueOf((String) value)) : value;
  }
 
  @Override
  protected WhereClause getChildrenClause(String currPath) {
    WhereClause wc = new WhereClause();
    wc.addClause("select g from AxCategory g");
    wc.addClause("where 1=1");
    if(Strings.isBlank(currPath)) {
      wc.addClause("and g.parent is null");
    } else {
      wc.addClause("and g.parent.uniquePath = :pathName");
      wc.addNamedValue("pathName", currPath);
    }
    wc.addClause("order by g.name");
    return wc;
  }
 
  @Override
  protected WhereClause getLeafClause(String currPath) {
    return null;
  }
 
  @Override
  protected Object getId(Object item) {
    return item instanceof AxCategory ? ((AxCategory) item).getCategoryId() : new Path((String) item).getLastNode();
  }
 
  @Override
  protected Object getParentId(Object item) {
    return item instanceof AxCategory ? ((AxCategory) item).getParent().getCategoryId() : new Path((String) item).getLastNode();
  }
  
  public String getImageSrc(Item item) {
    return ElephantContext.getRootWebPath() + Images.getImage("group");
  }
 
  public String getFolderImageSrc() {
    return ElephantContext.getRootWebPath() + Images.getImage("group");
  }
  
  public String getCssClass(Item item) {
    AxCategory cat = (AxCategory) item.getValue();
    String selected = getSelectedItem();
    String path = cat.getUniquePath();
    if(path == null || selected == null) {
      return "";
    } else if(path.equals(selected)) {
      return "active";
    } else if(selected.startsWith(path)) {
      return "inpath";
    } else {
      return "";
    }
  }
 
  @Override
  protected void prepareTree(ElephantMarker marker, List<Item<Object, Object>> items) {
    String selPath = getSelectedItem();
    if(Strings.isBlank(selPath) && !items.isEmpty()) {
      selPath = ((AxCategory) ((Item) items.iterator().next()).getValue()).getUniquePath();
      setSelectedItem(selPath);
    }
    marker.put("selpath", selPath);
  }
 
  @Override
  protected void prepareItem(ElephantMarker marker, Object item) {
    // do nothing
  }
 
  @Override
  protected String getTemplateRoot() {
    return "alliance/category";
  }
 
  @Override
  protected Object doVotesCtrl(Object e) {
    return null;
  }
 
  @Override
  protected Object doInterestCtrl(Object e) {
    return null;
  }
 
  @Override
  protected Object doCommentsCtrl(Object e) {
    return null;
  }
 
  @Override
  protected Object doAttachmentsCtrl(Object e) {
    return null;
  }
 
  @Override
  protected Object doFilesCtrl(Object e) {
    return null;
  }
 
  @Override
  protected Object doDescriptionsCtrl(Object e) {
    return null;
  }
 
  @Override
  protected Object doPollsCtrl(Object e) {
    return null;
  }
  
  @Override
  protected VisualElements loadVisuals() {
    return null;
  }
 
}