zul/navigator/AttachTree.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2011 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.attach.zul.navigator;
 
import org.turro.attach.search.AttachResults;
import org.turro.elephant.context.Application;
import org.zkoss.zk.ui.ext.AfterCompose;
import org.zkoss.zul.Tree;
import org.zkoss.zul.Treechildren;
 
public class AttachTree extends Tree implements AfterCompose {
 
  private Treechildren children;
  private AttachNavigatorListener attachListener;
  private AttachResults results;
  private boolean doProcessors = true;
 
  public AttachTree() {
    super();
    addChildrenSpace();
  }
 
  public AttachNavigatorListener getAttachListener() {
    return attachListener;
  }
 
  public void setAttachListener(AttachNavigatorListener listener) {
    this.attachListener = listener;
  }
 
  public void setDoProcessors(boolean doProcessors) {
    this.doProcessors = doProcessors;
  }
 
  
  public AttachFolder addFolder(String label, String path, boolean loadOnDemand) {
    AttachFolder af = new AttachFolder(label, path, loadOnDemand);
    children.appendChild(af);
    af.afterCompose();
    if(doProcessors) af.doProcessors();
    return af;
  }
 
  public AttachFolder getSelectedFolder() {
    if(getSelectedItem() instanceof AttachFolder) {
      return (AttachFolder) getSelectedItem();
    }
    return null;
  }
 
  public void setSelectedFolder(AttachFolder folder) {
    for(Object o : getItems()) {
      if(o instanceof AttachFolder) {
        AttachFolder af = (AttachFolder) o;
        if(af.getPath().equals(folder.getPath())) {
          setSelectedItem(af);
          break;
        }
      }
    }
  }
 
  public AttachFolder selectFirst() {
    for(Object o : getItems()) {
      if(o instanceof AttachFolder) {
        AttachFolder af = (AttachFolder) o;
        setSelectedItem(af);
        return af;
      }
    }
    return null;
  }
  
  public AttachResults getResults() {
    return results;
  }
 
  public void setResults(AttachResults results) {
    this.results = results;
  }
 
  public void resetTree() {
    children.getChildren().clear();
  }
  
  private void addChildrenSpace() {
    children = new Treechildren();
    appendChild(children);
  }
 
  public void reloadContents() {
    for(Object o : children.getChildren()) {
      if(o instanceof AttachFolder) {
        ((AttachFolder) o).reloadContents();
      }
    }
  }
 
  public boolean getCanDelete() {
    return Application.getApplication().isInRole("attach:delete");
  }
 
  public boolean getCanNew() {
    return Application.getApplication().isInRole("attach:new");
  }
 
  public boolean getCanEdit() {
    return Application.getApplication().isInRole("attach:edit");
  }
 
  @Override
  public void afterCompose() {
  }
 
}