/**
* form기반으로 페이징이 처리되는 html을 얻는다.
*
* @param formName
* @return
*/
public String getPageHtml(String formName) {
this.setFormName(formName);
String resultHtml = "";
StringWriter stringWriter = null;
try {
FreeMarkerConfigurer config =
SpringUtils.getBean("freemarkerConfig", FreeMarkerConfigurer.class);
stringWriter = new StringWriter();
Template template =
config.getConfiguration().getTemplate(ConfigUtils.getString("global.page.template"));
Map<String, Object> data = new HashMap<String, Object>();
data.put("page", this);
template.process(data, stringWriter);
resultHtml = stringWriter.toString();
} catch (Exception ignore) {
logger.error(ignore.getMessage(), ignore);
// nothing...
} finally {
try {
if (stringWriter != null) {
stringWriter.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return resultHtml;
}
/**
* 페이징
*
* @author jace
*/
public class Page<T> implements Serializable {
private static final long serialVersionUID = -2805408045242748580L;
private Logger logger = LoggerFactory.getLogger(this.getClass());
private static final int DEFAULT_PAGE_SIZE = ConfigUtils.getInt("global.page.default-page-size");
private static final int DEFAULT_PAGE_UNIT = ConfigUtils.getInt("global.page.default-page-unit");
/** 페이지 아이템 */
private Collection<T> items;
/** 현재 페이지 */
private int currentPage;
/** 총 개수 */
private int totalCount;
/** 페이지 번호가 화면에 보여질 개수 ex) [1], [2], [3].. [10] */
private int pageUnit;
/** 한 페이지에 보여질 개수 */
private int pageSize;
/** 최대 페이지 번호 (전체 페이지 개수) */
private int maxPage;
/** 화면에 보여지는 페이지번호의 처음 페이지번호 */
private int beginUnitPage;
/** 화면에 보여지는 페이지번호의 마지막 페이지번호 */
private int endUnitPage;
/** form 명 */
public String formName;
public Page(Collection<T> items, int currentPage, int totalCount) {
this(items, currentPage, totalCount, DEFAULT_PAGE_SIZE);
}
public Page(Collection<T> items, int currentPage, int totalCount, int pageSize) {
this(items, currentPage, totalCount, pageSize, DEFAULT_PAGE_UNIT);
}
public Page(Collection<T> items, int currentPage, int totalCount, int pageSize, int pageUnit) {
this.items = items;
this.totalCount = totalCount;
this.pageUnit = pageUnit;
this.pageSize = pageSize;
this.maxPage = pageSize == 0 ? this.totalCount : (totalCount - 1) / pageSize + 1;
this.currentPage = currentPage > maxPage ? maxPage : currentPage;
this.beginUnitPage = ((currentPage - 1) / pageUnit) * pageUnit + 1;
this.endUnitPage = beginUnitPage + (pageUnit - 1);
}
public boolean hasNextPage() {
return currentPage < maxPage;
}
public boolean hasPrevPage() {
return currentPage > 1;
}
public int getNextPage() {
return currentPage + 1;
}
public void setNextPage(int val) {
// not called
}
public int getPrevPage() {
return currentPage - 1;
}
public void setPrevPage(int val) {
// not called
}
public boolean hasNextPageUnit() {
return endUnitPage < maxPage;
}
public boolean hasPrevPageUnit() {
return currentPage >= pageUnit + 1;
}
public int getStartOfNextPageUnit() {
return endUnitPage + 1;
}
public int getStartOfPrevPageUnit() {
return beginUnitPage - 1;
}
public int getPageOfNextPageUnit() {
return (currentPage + pageUnit < maxPage) ? currentPage + pageUnit : maxPage;
}
public int getPageOfPrevPageUnit() {
return (currentPage - pageUnit > 1) ? currentPage - pageUnit : 1;
}
public int getEndItemsPage() {
return (endUnitPage > maxPage) ? this.maxPage : this.endUnitPage;
}
public boolean isEmptyPage() {
return (this.items == null || items.size() == 0) ? true : false;
}
/**
* form기반으로 페이징이 처리되는 html을 얻는다.
*
* @param formName
* @return
*/
public String getPageHtml(String formName) {
this.setFormName(formName);
String resultHtml = "";
StringWriter stringWriter = null;
try {
FreeMarkerConfigurer config =
SpringUtils.getBean("freemarkerConfig", FreeMarkerConfigurer.class);
stringWriter = new StringWriter();
Template template =
config.getConfiguration().getTemplate(ConfigUtils.getString("global.page.template"));
Map<String, Object> data = new HashMap<String, Object>();
data.put("page", this);
template.process(data, stringWriter);
resultHtml = stringWriter.toString();
} catch (Exception ignore) {
logger.error(ignore.getMessage(), ignore);
// nothing...
} finally {
try {
if (stringWriter != null) {
stringWriter.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return resultHtml;
}
/*--------------------------------------------
* define getter, setter
*---------------------------------------------*/
public Collection<T> getItems() {
return items;
}
public void setItems(Collection<T> items) {
this.items = items;
}
public int getCurrentPage() {
return currentPage;
}
public void setCurrentPage(int currentPage) {
this.currentPage = currentPage;
}
public int getTotalCount() {
return totalCount;
}
public void setTotalCount(int totalCount) {
this.totalCount = totalCount;
}
public int getPageUnit() {
return pageUnit;
}
public void setPageUnit(int pageUnit) {
this.pageUnit = pageUnit;
}
public int getPageSize() {
return pageSize;
}
public void setPageSize(int pageSize) {
this.pageSize = pageSize;
}
public int getMaxPage() {
return maxPage;
}
public void setMaxPage(int maxPage) {
this.maxPage = maxPage;
}
public int getBeginUnitPage() {
return beginUnitPage;
}
public void setBeginUnitPage(int beginUnitPage) {
this.beginUnitPage = beginUnitPage;
}
public int getEndUnitPage() {
return endUnitPage;
}
public void setEndUnitPage(int endUnitPage) {
this.endUnitPage = endUnitPage;
}
public void setFormName(String formName) {
this.formName = formName;
}
public String getFormName() {
return this.formName;
}
}
