package kernel.web;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.List;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import kernel.util.StringUtils;
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import security.web.BaseSecurityAction;
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public class PageActionSupport extends BaseSecurityAction {
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/**
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* Member Description
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*/
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private static final long serialVersionUID = -27853059031238999L;
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protected Page page;
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protected List<Integer> tabs;
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protected int pageNo = 1;
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protected int pageSize = 10;
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/**
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* 检查并设置pageNo
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*/
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public int checkAndSetPageNo(String pageNoStr) {
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if (StringUtils.isNullOrEmpty(pageNoStr)) {
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this.pageNo = 1;
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return 1;
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}
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Pattern pattern = Pattern.compile("-?[0-9]+(\\.[0-9]+)?");
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Matcher isNum = pattern.matcher(pageNoStr);
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if (!isNum.matches()) {
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this.pageNo = 1;
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return 1;
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}
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int pageNo = Integer.valueOf(pageNoStr).intValue();
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if (pageNo <= 0) {
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this.pageNo = 1;
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return 1;
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} else {
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this.pageNo = pageNo;
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return pageNo;
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}
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}
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public List<Integer> bulidTabs() {
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List<Integer> tabs = new ArrayList<Integer>();
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if (page == null) {
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return tabs;
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}
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int pageCount = 10;
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int thisPageNumber = page.getThisPageNumber();
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for (int i = 5; i > 0; i--) {
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if ((thisPageNumber - i) > 0) {
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tabs.add(thisPageNumber - i);
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pageCount--;
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}
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}
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tabs.add(thisPageNumber);
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for (int i = pageCount; i > 0; i--) {
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if ((thisPageNumber + i) <= page.getTotalPage()) {
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tabs.add(thisPageNumber + i);
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}
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}
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Collections.sort(tabs, new Comparator<Integer>() {
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public int compare(Integer arg0, Integer arg1) {
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return arg0.compareTo(arg1);
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}
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});
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return tabs;
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}
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public List<Integer> getTabs() {
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return tabs;
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}
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public Page getPage() {
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return page;
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}
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public void setPage(Page page) {
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this.page = page;
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}
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public int getPageNo() {
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return pageNo;
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}
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public void setPageNo(int pageNo) {
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this.pageNo = pageNo;
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}
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protected void setPageSize(int pageSize) {
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this.pageSize = pageSize;
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}
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}
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