public class View {
private int currentPage;
private int pageSize;
private int recordCount;
public View(int pageSize, int recordCount, int currentPage) {
this.pageSize = pageSize;
this.recordCount = recordCount;
this.setCurrentPage(currentPage);
}
public int getPageCount() {
int size = recordCount / pageSize;
int flag = recordCount % pageSize;
if (flag != 0) {
size++;
}
if (recordCount == 0) {
return 1;
}
return size;
}
public int getFromIndex() {
return (currentPage - 1) * pageSize;
}
public void setCurrentPage(int currentPage) {
int vaildPage = currentPage <= 0 ? 1 : currentPage;
vaildPage = vaildPage > this.getPageCount() ? this.getPageCount()
: vaildPage;
this.currentPage = vaildPage;
}
public int getCurrentPage() {
return currentPage;
}
public int getPageSize() {
return pageSize;
}
}
