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package com.jisan.common.util.page;

public class Paging {

 private int totalCount;  
 private int currentPage;
 private int listLimit;
 private int pageLimit;

 private int totalPage;
 private int startPage;
 private int endPage;
 private int startNum;
 private int endNum;

 private String btnStart="";
 private String btnEnd="";
 private String btnListPrev="";
 private String btnListNext="";
 private String btnPageList="";
 private String btnListTenPrev= "";
 private String btnListTenNext= "";
 

 public Paging(int totalCount, int currentPage, String queryOption) {
  this.totalCount = totalCount;
  this.currentPage = currentPage;
  this.listLimit = 15;
  this.pageLimit = 5;
 }
 public Paging(int totalCount, int currentPage, String queryOption, int listLimit, int pageLimit) {
  this.totalCount = totalCount;
  this.currentPage = currentPage;
  this.listLimit = listLimit;
  this.pageLimit = pageLimit;
 }

 public PagingBean pagingProcess() throws Exception {

  PagingBean pb = new PagingBean();

  totalPage = (totalCount - 1) / listLimit + 1;
  startPage = ( (currentPage - 1) / pageLimit) * pageLimit + 1;
  endPage = startPage + pageLimit - 1;

  if (totalPage < endPage) {
  endPage = totalPage;
  }
  if (totalCount == 0) {
   totalPage = 0;
  }

  startNum = (currentPage - 1) * listLimit;
  endNum = listLimit;

  //제일 처음 페이지로.
  if (currentPage > 1) {
   btnStart = "<a href=\"javascript:go_Page('1')\"><img src=\"/spi/images/board/pag_rr.jpg\" border=\"0\" class=\"m_lr2\" /></a>&nbsp;";
  } else{
   btnStart = "<a href=\"#\"><img src=\"/spi/images/board/pag_rr.jpg\" border=\"0\" class=\"m_lr2\" /></a>&nbsp;";
  }

  //바로 이전 페이지 목록으로. (예: 이전 10 페이지로)
  if (currentPage > pageLimit) {
   int prevListPage = startPage - 1;
   btnListPrev = "<a href=\"javascript:go_Page('"+prevListPage+"')\"><img src=\"/spi/images/board/pag_r.jpg\" border=\"0\" class=\"m_lr5\" /></a>&nbsp;";
  } else{
   btnListPrev = "&nbsp;";
  }

  //페이지 목록
  btnPageList = "";
  for (int i = startPage; i <= endPage; i++) {
   if (currentPage == i) {
    btnPageList += "<b><a href=\"#\" align=\"center\" valign=\"middle\" class=\"text_05\">" + i + "</a></b>";
   } else {
    btnPageList += "<a href=\"javascript:go_Page('"+i+"')\" align=\"center\" valign=\"middle\" class=\"text_05\"> " + i + "</a>";
   }
   if (i < endPage) {
    btnPageList += "<img src=\"/spi/images/board/icon_pagingdot.jpg\" class=m_lr2>";
   }
  }

  //바로 다음 페이지 목록으로. (예: 다음 10 페이지로)
  int nextListPage = endPage + 1;
  if (nextListPage <= totalPage) {
   btnListNext = "&nbsp;<a href=\"javascript:go_Page('"+nextListPage+"')\"><img src=\"/spi/images/board/pag_f.jpg\" border=\"0\" class=\"m_lr5\" /></a>&nbsp;";
  } else {
   btnListNext = "&nbsp;";
  }

  //제일 마지막 페이지로.
  if (currentPage < totalPage) {
   btnEnd = "&nbsp;<a href=\"javascript:go_Page('"+totalPage+"')\"><img src=\"/spi/images/board/pag_ff.jpg\" border=\"0\" class=\"m_lr2\" /></a>";
  } else {
   btnEnd = "&nbsp;<a href=\"#\"><img src=\"/spi/images/board/pag_ff.jpg\" border=\"0\" class=\"m_lr2\" /></a>";
  }

  StringBuffer pageInfo = new StringBuffer();

  pb.setPageInfo(pageInfo.toString());

  StringBuffer pageHtml= new StringBuffer();

  pageHtml.append("<table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">");
  pageHtml.append(" <tr>");
  pageHtml.append("  <td align=\"center\">" );
  pageHtml.append(   btnStart);
  pageHtml.append(   btnListPrev);
  pageHtml.append(   btnPageList);
  pageHtml.append(   btnListNext);
  pageHtml.append(   btnEnd);
  pageHtml.append("  </td>");
  pageHtml.append(" </tr>");
  pageHtml.append("</table>");

  pb.setPageHtml(pageHtml.toString());

  //페이징 처리 내용을 넘기기 위해 PagingBean에 처리한 값들을 담는다.
  pb.setTotalCount(totalCount);
  pb.setCurrentPage(currentPage);
  pb.setTotalPage(totalPage);
  pb.setStartPage(startPage);
  pb.setEndPage(endPage);
  pb.setStartNum(startNum);
  pb.setEndNum(endNum);
  pb.setBtnStart(btnStart);
  pb.setBtnEnd(btnEnd);
  pb.setBtnListPrev(btnListPrev);
  pb.setBtnListNext(btnListNext);
  pb.setBtnPageList(btnPageList);

  return pb;
 }

 public PagingBean pagingProcess2() throws Exception {

  PagingBean pb = new PagingBean();
 
 
 

  totalPage = (totalCount - 1) / listLimit + 1;
  startPage = ( (currentPage - 1) / pageLimit) * pageLimit + 1;
  endPage = startPage + pageLimit - 1;
 

  if (totalPage < endPage) {
  endPage = totalPage;
  }
  if (totalCount == 0) {
   totalPage = 0;
  }

  startNum = (currentPage - 1) * listLimit;
  endNum = listLimit;  
 

  //제일 처음 페이지로.
  if (currentPage > 1) {
   btnStart = "<a href=\"javascript:go_Page('1')\"><img src=\"/spi/images/board/button_start_be.gif\" border=\"0\" class=\"m_lr2\" /></a>&nbsp;";
  } else{
   //btnStart = "<a href=\"#\"><img src=\"/spi/images/board_img/button_start.gif\" border=\"0\" align=\"middle\" /></a>&nbsp;";
  }
 
 

  //이전 10 페이지
  int pretenpage = (currentPage/pageLimit-1)*10+1;
  if (pretenpage > 0) {
   btnListTenPrev += "<a href=\"javascript:go_Page('"+pretenpage+"')\"><img src=\"/spi/images/board/pag_rr.jpg\" border=\"0\" class=\"m_lr2\" /></a>&nbsp;";
  } else{
   //btnStart = "<a href=\"#\"><img src=\"/spi/images/board_img/button_start.gif\" border=\"0\" align=\"middle\" /></a>&nbsp;";
  } 

  //바로 이전 페이지 목록으로.
  //if (currentPage > pageLimit) {
  if (totalPage > 1) {
   int prevListPage = currentPage - 1;
   if(prevListPage < 1){
    //btnListPrev = "<a href=\"#\"><img src=\"/spi/images/board_img/button_pre.gif\" border=\"0\" align=\"middle\" /></a>&nbsp;&nbsp;&nbsp;&nbsp;";
   }else{
    btnListPrev = "<a href=\"javascript:go_Page('"+prevListPage+"')\"><img src=\"/spi/images/board/pag_r.jpg\" border=\"0\" class=\"m_lr5\" /></a>&nbsp;";
   }

  } else{
   btnListPrev = "&nbsp;";
  }

  //페이지 목록
  btnPageList = "";
  for (int i = startPage; i <= endPage; i++) {
   if (currentPage == i) {
    btnPageList += "<a href=\"#\" align=\"center\" valign=\"middle\" ><b>" + i + "</b></a>";
   } else {
    btnPageList += "<a href=\"javascript:go_Page('"+i+"')\" align=\"center\" valign=\"middle\">" + i + "</a>";
   }
   if (i < endPage) {
    btnPageList += "&nbsp;<img src=\"/spi/images/board/icon_pagingdot.jpg\" class=\"m_lr2\">";
   }
   if(endPage==1){
   }else{
    btnPageList += "&nbsp;";
   }
  } 

 
  //바로 다음 페이지 목록으로. (예: 다음 10 페이지로)  
  int nextListPage = currentPage + 1;
  if (nextListPage <= totalPage) {
   btnListNext = "<a href=\"javascript:go_Page('"+nextListPage+"')\"><img src=\"/spi/images/board/pag_f.jpg\" border=\"0\" class=\"m_lr5\" /></a>&nbsp;";
  } else {
   //btnListNext = "&nbsp;";
  }
 
  //다음 10 페이지
  int nexttenpage = (1+currentPage/pageLimit)*10+1;
  if (totalPage > nexttenpage) {
   btnListTenNext += "<a href=\"javascript:go_Page('"+nexttenpage+"')\"><img src=\"/spi/images/board/pag_ff.jpg\" border=\"0\" class=\"m_lr2\" /></a>&nbsp;";
  } else{
   //btnStart = "<a href=\"#\"><img src=\"/spi/images/board_img/button_start.gif\" border=\"0\" align=\"middle\" /></a>&nbsp;";
  } 

  //제일 마지막 페이지로.
  if (currentPage < totalPage) {
   btnEnd = "<a href=\"javascript:go_Page('"+totalPage+"')\"><img src=\"/spi/images/board/button_end_last.gif\" border=\"0\" class=\"m_lr2\" /></a>";
  } else {
   //btnEnd = "&nbsp;<a href=\"#\"><img src=\"/spi/images/board_img/button_end.gif\" border=\"0\" align=\"middle\" /></a>";
  }

  StringBuffer pageInfo = new StringBuffer();

  pb.setPageInfo(pageInfo.toString());

  StringBuffer pageHtml= new StringBuffer();

  pageHtml.append("<table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">");
  pageHtml.append(" <tr>");
  pageHtml.append("  <td align=\"center\" >" );
  pageHtml.append(   btnStart);
  pageHtml.append(   btnListTenPrev);
  pageHtml.append(   btnListPrev);
  pageHtml.append(   btnPageList);
  pageHtml.append(   btnListNext);
  pageHtml.append(   btnListTenNext);
  pageHtml.append(   btnEnd);
  pageHtml.append("  </td>");
  pageHtml.append(" </tr>");
  pageHtml.append("</table>");

  pb.setPageHtml(pageHtml.toString());

  //페이징 처리 내용을 넘기기 위해 PagingBean에 처리한 값들을 담는다.
  pb.setTotalCount(totalCount);
  pb.setCurrentPage(currentPage);
  pb.setTotalPage(totalPage);
  pb.setStartPage(startPage);
  pb.setEndPage(endPage);
  pb.setStartNum(startNum);
  pb.setEndNum(endNum);
  pb.setBtnStart(btnStart);
  pb.setBtnEnd(btnEnd);
  pb.setBtnListPrev(btnListPrev);
  pb.setBtnListNext(btnListNext);
  pb.setBtnPageList(btnPageList);

  return pb;
 }
}