/* See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * Esri Inc. licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.esri.gpt.control.publication;
import com.esri.gpt.catalog.management.CollectionDao;
import com.esri.gpt.framework.context.RequestContext;
import com.esri.gpt.framework.util.Val;

import java.util.ArrayList;
import java.util.List;
import javax.faces.model.SelectItem;

/**
 * Defines a list of selectable collections.
 */
public class SelectableCollections {

  // class variables =============================================================

  // instance variables ==========================================================
  private ArrayList<SelectItem> _list = new ArrayList<SelectItem>();
  private String _selectedKey = "";

  // constructors ================================================================
  
  /** Default constructor. */
  public SelectableCollections() {}

  // properties ==================================================================
  
  /**
   * Determines if the items list contains multiple groups.
   * @return true if the items list is greater that 1
   */
  public boolean getHasMultiple() {
    return (_list.size() > 1);
  }

  /**
   * Gets the SelectItem list for UI display.
   * @return the SelectItem list
   */
  public ArrayList<SelectItem> getItems() {
    return _list;
  }

  /**
   * Gets the size of the list.
   * @return size of selactable groups
   */
  public int getSize() {
    return _list.size();
  }

  /**
   * Gets the currently selected key.
   * @return the currently selected key
   */
  public String getSelectedKey() {
    return _selectedKey;
  }

  /**
   * Sets the currently selected key.
   * @param key the currently selected key
   */
  public void setSelectedKey(String key) {
    _selectedKey = Val.chkStr(key);
  }

  // methods =====================================================================
  
  /**
   * Builds the list of collections.
   * @param context the active request context
   */
  public void buildAll(RequestContext context) throws Exception {
    _list.clear();
    CollectionDao colDao = new CollectionDao(context);
    List<String[]> collections = colDao.queryCollections();
    for (String[] col: collections) {
      _list.add(new SelectItem(col[0],col[1]));
    }
  }
}