package framework.mybatis.pageAction;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;

/**
 * 分页查询标签 &lt;f:pageSearch jqStr="jquery函数$("")括号中的字符串" func="search页面中的查询js函数" /><br/>
 * func是页面中的查询函数，分页控件会给其一个 page 参数，形如 "__cpp__=10&__cup__=2"
 * <br/>然后js函数加在url后面进行查询
 * 
 * @author liuyajun, 8384503@qq.com
 * @date 2016年1月19日
 * @time 下午4:14:54
 */
public final class PageSearchTag extends TagSupport {
	private String jqStr;
	private String func;
	private String step;
	

	public int doStartTag() throws JspException {
		try{
			HttpServletRequest req = (HttpServletRequest)pageContext.getRequest();
			PageInfo page = (PageInfo)req.getAttribute(PageInfo.REQUEST_ATTRIBUTE_PAGE_INFO);
			if(page==null){
				return EVAL_PAGE;
			}
			
			StringBuffer s = new StringBuffer();
			if(step==null){
				step = "3";
			}
			
			s.append("<script>\n")
			.append("$('").append(jqStr).append("').makePageBar({\n")
			.append("totalCount:").append(page.getTotalCount()).append(",\n")
			.append("totalPage:").append(page.getTotalPage()).append(",\n")
			.append("countPerPage:").append(page.getCountPerPage()).append(",\n")
			.append("currentPage:").append(page.getPage()).append(",\n")
			.append("step:").append(step).append(",\n")
			.append("cppParam:'").append(PageUtil.PARAM_COUNT_PER_PAGE).append("',\n")
			.append("cupParam:'").append(PageUtil.PARAM_CURRENT_PAGE).append("',\n")
			.append("go:").append(func).append("\n});\n")
			.append("</script>\n");
			
			pageContext.getOut().println(s.toString());
		}catch(Throwable e){
			e.printStackTrace();
		}
		return EVAL_PAGE;
	}


	public String getJqStr() {
		return jqStr;
	}


	public void setJqStr(String jqStr) {
		this.jqStr = jqStr;
	}


	public String getFunc() {
		return func;
	}


	public void setFunc(String func) {
		this.func = func;
	}


	public String getStep() {
		return step;
	}


	public void setStep(String step) {
		this.step = step;
	}

}