GroupsTree.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2014 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.www.groupit;
 
import java.util.List;
import org.turro.string.Strings;
import org.turro.collections.Item;
import org.turro.contacts.GroupIt;
import org.turro.contacts.db.ContactsPU;
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.groupit.GroupItUtil;
import org.turro.jpa.iterator.DaoHtmlTree;
import org.turro.marker.ElephantMarker;
import org.turro.path.Path;
 
public class GroupsTree extends DaoHtmlTree<Object, Object> {
 
  private final String category, context;
  
  public GroupsTree(IConstructor constructor, String context, String category) {
    super(new ContactsPU(), new ElephantMarker(constructor));
    this.category = category;
    this.context = context;
    processParameters();
  }
 
  @Override
  protected Object getEntity(Object value) {
    return value instanceof String ? getDao().find(GroupIt.class, (String) value) : value;
  }
 
  @Override
  protected void renderTree(ElephantMarker marker, List<Item<Object, Object>> items) {
    String selPath = GroupItUtil.getSelectedGroup(constructor, context);
    if(Strings.isBlank(selPath) && !items.isEmpty()) {
      selPath = ((GroupIt) ((Item) items.iterator().next()).getValue()).getPathName();
      GroupItUtil.setSelectedGroup(constructor, context, selPath);
    }
    marker.put("context", context);
    marker.put("items", items);
    marker.put("selpath", selPath);
    marker.put("tree", this);
    marker.process("groups", getTreeTemplate());
  }
 
  @Override
  protected void renderItem(ElephantMarker marker, Object item) {
    marker.put("item", item);
    marker.process("groups", getFullTemplate());
  }
 
  @Override
  protected String parseTree(ElephantMarker marker, List<Item<Object, Object>> items) {
    String selPath = GroupItUtil.getSelectedGroup(constructor, context);
    if(Strings.isBlank(selPath) && !items.isEmpty()) {
      selPath = ((GroupIt) ((Item) items.iterator().next()).getValue()).getPathName();
      GroupItUtil.setSelectedGroup(constructor, context, selPath);
    }
    marker.put("context", context);
    marker.put("items", items);
    marker.put("selpath", selPath);
    marker.put("tree", this);
    return marker.parse("groups", getTreeTemplate());
  }
 
  @Override
  protected String parseItem(ElephantMarker marker, Object item) {
    marker.put("item", item);
    return marker.parse("groups", getFullTemplate());
  }
 
  @Override
  protected WhereClause getChildrenClause(String currPath) {
    WhereClause wc = new WhereClause();
    wc.addClause("select g from GroupIt g");
    wc.addClause("where g.category = :category");
    wc.addNamedValue("category", category);
    wc.addClause("and g.publishable = TRUE");
    if(Strings.isBlank(currPath)) {
      wc.addClause("and g.parent is null");
    } else {
      wc.addClause("and g.parent.pathName = :pathName");
      wc.addNamedValue("pathName", currPath);
    }
    wc.addClause("order by g.name");
    return wc;
  }
 
  @Override
  protected WhereClause getLeafClause(String currPath) {
    WhereClause wc = new WhereClause();
    wc.addClause("select g from GroupIt g");
    wc.addClause("where 1 = 2");
    wc.addClause("order by g.name");
    return wc;
  }
 
  @Override
  protected Object getId(Object item) {
    return item instanceof GroupIt ? ((GroupIt) item).getName() : new Path((String) item).getLastNode();
  }
 
  @Override
  protected Object getParentId(Object entity) {
    return null;
  }
  
  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) {
    GroupIt gi = (GroupIt) item.getValue();
    String selected = GroupItUtil.getSelectedGroup(constructor, context);
    String path = gi.getPathName();
    if(path == null || selected == null) {
      return "";
    } else if(path.equals(selected)) {
      return "active";
    } else if(selected.startsWith(path)) {
      return "inpath";
    } else {
      return "";
    }
  }
  
  private void processParameters() {
    GroupItUtil.setSelectedGroup(constructor, context, constructor.getParameter("group"));
    GroupItUtil.setCategory(constructor, context, category);
  }
 
}