/**
    * Copyright 2005-2014 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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 org.kuali.rice.krad.uif.widget;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.krad.datadictionary.parse.BeanTag;
  import org.kuali.rice.krad.datadictionary.parse.BeanTagAttribute;
  
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * BlockUI element is used within the view element for managing element/page blocking attributes
   *
   * <p>
   * Some basic options of the plugin are exposed through this class. Messages can be managed via
   * Action elements. See the jquery BlockUI plugin for more details.
   * </p>
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  @BeanTag(name = "blockUI-bean", parent = "Uif-BlockUI")
  public class BlockUI extends WidgetBase {
  
      private String blockingImageSource;
  
      public BlockUI() {
          super();
      }
  
      /**
       * Override to add property values to the template options
       *
       * @see org.kuali.rice.krad.uif.component.Component#getTemplateOptions()
       */
      @Override
      public Map<String, String> getTemplateOptions() {
          Map<String, String> templateOptions = super.getTemplateOptions();
  
          if (templateOptions == null) {
              super.setTemplateOptions(templateOptions = new HashMap<String, String>());
          }
  
          if (StringUtils.isNotBlank(blockingImageSource) && !templateOptions.containsKey("blockingImage")) {
              templateOptions.put("blockingImage", blockingImageSource);
          }
  
          return templateOptions;
      }
  
      /**
       * Path to an image that will be rendered in the blocking overlay
       *
       * <p>
       * If specified, the image will be picked up and rendered before the blocking message in
       * the overlay. If not given just the message will be displayed
       * </p>
       *
       * @return url to the blocking image
       */
      @BeanTagAttribute(name="blockingImageSource")
      public String getBlockingImageSource() {
          return blockingImageSource;
      }
  
      /**
       * Setter for the url (source) of the blocking image to use (if any)
       *
       * @param blockingImageSource
       */
      public void setBlockingImageSource(String blockingImageSource) {
          this.blockingImageSource = blockingImageSource;
      }
  
      /**
       * @see org.kuali.rice.krad.uif.component.ComponentBase#copy()
       */
      @Override
      protected <T> void copyProperties(T component) {
          super.copyProperties(component);
          BlockUI blockUICopy = (BlockUI) component;
          blockUICopy.setBlockingImageSource(this.blockingImageSource);
      }
  }