fairnet/src/main/java/seed/com/gtm/util/PageMaker.java

package seed.com.gtm.util;

import kcc.com.cmm.util.Criteria;

public class PageMaker {
	private int totalCount;
	private int startPage;
	private int endPage;
	private boolean prev;
	private boolean next;
	
	private int displayPageNum = 10;
	private Criteria cri;
	
	public void setCri(Criteria cri){
		this.cri = cri;
	}
	
	public void setTotalCount(int totalCount){
		this.totalCount = totalCount;
		
		calcData();
	}
	
	private void calcData(){
		
		endPage = (int)(Math.ceil(cri.getPage() / (double)displayPageNum) * displayPageNum);
		
		startPage = (endPage - displayPageNum) + 1;
		
		int tempEndPage = (int)(Math.ceil(totalCount / (double)cri.getPerPageNum()));
		
		if(endPage > tempEndPage){
			endPage = tempEndPage;
		}
		
		prev = (cri.getPage() == 1) ? false : true;
		next = (cri.getPage() * cri.getPerPageNum() >= totalCount) ? false : true;
	}

	public int getTotalCount() {
		return totalCount;
	}

	public int getStartPage() {
		return startPage;
	}

	public int getEndPage() {
		return endPage;
	}

	public boolean isPrev() {
		return prev;
	}

	public boolean isNext() {
		return next;
	}

	public int getDisplayPageNum() {
		return displayPageNum;
	}
	
	public Criteria getCri(){
		return cri;
	}
}