package gboat2.base.view.components;
   
   import javax.servlet.http.HttpServletRequest;
   import javax.servlet.http.HttpServletResponse;
   
   import org.apache.commons.lang3.RandomStringUtils;
   import org.apache.commons.lang3.StringUtils;
   import org.apache.struts2.components.ClosingUIBean;
   import org.apache.struts2.views.annotations.StrutsTag;
  import org.apache.struts2.views.annotations.StrutsTagAttribute;
  
  import com.opensymphony.xwork2.util.ValueStack;
  
  /**
   * <p>
   * 创建一个可折叠的面板
   * </p>
   * <pre>
   * 示例代码：
   * &lt;g2:accordionItem title=&quot;Sed non urna&quot;&gt;
   *   Sed non urna. Donec et ante. Phasellus eu ligula. Vestibulum sit amet purus. Vivamus hendrerit, dolor at aliquet laoreet,
   *   mauris turpis porttitor velit, faucibus interdum tellus libero ac justo. Vivamus non quam. In suscipit faucibus urna.
   * &lt;/g2:accordionItem&gt;
   * </pre>
   * @see Accordion
   * @author <a href="mailto:[email protected]">何明旺</a>
   * @since 3.0
   * @date 2014年6月11日
   */
  @StrutsTag(
          name = "accordionItem",
          tldTagClass = "gboat2.base.view.jsp.AccordionItemTag",
          description = "创建一个可折叠的面板，位于 <g2:according> 标签内")
  public class AccordionItem extends ClosingUIBean {
      public static final String JQUERYACTION = "accordionItem";
      public static final String TEMPLATE_CLOSE = "accordionItem-close";
      
      public static final String TEMPLATE = "accordionItem";
  
      protected String onClickTopics;
  
      public AccordionItem(ValueStack stack, HttpServletRequest request, HttpServletResponse response) {
          super(stack, request, response);
      }
  
      @Override
      public String getDefaultOpenTemplate() {
          return TEMPLATE;
      }
  
      @Override
      protected String getDefaultTemplate() {
          return TEMPLATE_CLOSE;
      }
  
      @Override
      public void evaluateExtraParams() {
          super.evaluateExtraParams();
  
          addParameter("jqueryaction", JQUERYACTION);
  
          if (onClickTopics != null)
              addParameter("onClickTopics", findString(onClickTopics));
  
          Accordion accordion = (Accordion) findAncestor(Accordion.class);
          if (accordion != null)
              addParameter("header", accordion.getHeader());
  
          if (StringUtils.isBlank(id)) {
              this.id = "accordionItem_" + RandomStringUtils.randomNumeric(5);
              addParameter("id", this.id);
          }
      }
  
      @Override
      @StrutsTagAttribute(description = "可折叠面板的标题（头部）")
      public void setTitle(String title) {
          super.setTitle(title);
      }
  
      @StrutsTagAttribute(name = "onClickTopics", description = "A comma delimited list of topics that published when the element is clicked", type = "String", defaultValue = "")
      public void setOnClickTopics(String onClickTopics) {
          this.onClickTopics = onClickTopics;
      }
  }