通过控制器类更新列表框时出现空指针异常
我正在从控制器类加载Listbox模板。这是一个假期余额表格。我想更新员工的假期。之前一切正常。最近，我引入了名为“ Leave Adjusted”的额外列。添加完之后，每当我单击“更新”按钮时，都会抛出“空指针异常”错误图像：
。我已经尝试了所有可能的解决方案，但我做不到。
我的Zul代码： leaveBalanceMaster.zul
<?page title="Leave Types" contentType="text/html;charset=UTF-8"?>
<zk xmlns:w='client'>
<style src="/resources/zul/css/style.css" />
<hbox>
<div sclass="breadcrumb">
<a href="/dashboard" iconSclass="fa fa-home" id="home"
label="Home" />
/
<a sclass="active" label="Leave Balance Master" />
</div>
</hbox>
<separator height="10%"></separator>
<window width="100%" id="leavetype" border="normal"
sclass="column1">
<textbox id="searchTextBox"
style="float:left;margin-bottom:1%">
</textbox>
<button style="float:left" id="searchIcon"
iconSclass="fa fa-search">
</button>
<div align="right" style="padding-right: 3%;">
<button label="Update" zclass="btn btn-success btn-sm "
id="updateLeaveBalance" />
</div>
<separator spacing="7px"></separator>
<div
apply="com.madrone.hrms.zul.controller.LeaveBalanceMasterController">
<div id="alertcustom"></div>
<listbox width="auto" style="margin-top: 1%; border-top:none" mold="paging"
pageSize="10" emptyMessage="No Employee Found in the list"
height="80%" id="listleaveBalances">
<auxhead>
<auxheader id="au1" style="border-top:0.5px solid #cfcfcf"></auxheader>
<auxheader id="au2" label="Opening Balance" zclass="border border-top"></auxheader>
<auxheader id="au3" label="Leave Taken" zclass="border border-top"></auxheader>
<auxheader id="au4" label="Closing Balance" zclass=" border-right border-top"></auxheader>
<auxheader id="au5" label="Leave Adjusted" zclass=" border-right border-top"></auxheader>
</auxhead>
<listhead></listhead>
<template name="model"></template>
</listbox>
</div>
</window>
</zk>
我的控制器类： LeaveBalanceMasterController.java
public class LeaveBalanceMasterController extends SelectorComposer<Component> {
private static final long serialVersionUID = -2015612522126627089L;
private static Logger LOG = Logger.getLogger(LeaveBalanceMasterController.class.getName());
public static ServiceHelper helper;
private Session session = Sessions.getCurrent();
@Wire
Listbox listleaveBalances;
@Wire
Button updateLeaveBalance;
@Wire
Textbox searchTextBox;
@Wire
Button searchIcon;
@Wire
Auxheader au1;
@Wire
Auxheader au2;
@Wire
Auxheader au3;
@Wire
Auxheader au4;
@Wire
Auxheader au5;
@Wire
Window leaveAdjustModal;
List<Employee> empList = null;
List<LeaveTypes> ltList;
@Override
public void doAfterCompose(Component comp) {
try {
super.doAfterCompose(comp);
AddLeaveBalanceList();
addEventListeners();
} catch (Exception e) {
// TODO Auto-generated catch block
LOG.info(e);
}
}
private void addEventListeners() {
searchTextBox.addEventListener(Events.ON_OK, event -> setFilteredList());
searchTextBox.addEventListener(Events.ON_BLUR, event -> setFilteredList());
searchIcon.addEventListener(Events.ON_OK, event -> setFilteredList());
searchIcon.addEventListener(Events.ON_CLICK, event -> setFilteredList());
}
private void setFilteredList() throws DaoException {
List<Employee> filteredEmpList = new ArrayList<>();
if (null != searchTextBox.getValue()) {
for (Employee empItr : empList) {
if ((empItr.getCode().toLowerCase().trim().contains(searchTextBox.getValue().toLowerCase().trim()))
|| (empItr.getFullName().toLowerCase().contains(searchTextBox.getValue().toLowerCase().trim()))
|| empItr.getDepartment().getName().toLowerCase()
.contains(searchTextBox.getValue().toLowerCase().trim())
|| (empItr.getDesignation().getDesignation_name().toLowerCase().trim()
.contains(searchTextBox.getValue().toLowerCase().trim()))) {
filteredEmpList.add(empItr);
}
}
}
Collections.sort(filteredEmpList, (e1, e2) -> e1.getCode().compareTo(e2.getCode()));
setListBox(filteredEmpList, ltList.size());
}
private void setListBox(List<Employee> empList, int j) throws DaoException {
if (CommonCheckUtil.checkObjectNotNull(empList)) {
ListModel<Employee> empListModel = new ListModelList<Employee>(empList);
List<LeaveBalance> leaveBalanceList = helper.getMiLmsService().listLeaveBalance();
listleaveBalances.setItemRenderer((item, data, arg2) -> {
Employee emp = (Employee) data;
item.appendChild(new Listcell(emp.getCode()));
item.setAttribute("employee", emp);
item.appendChild(new Listcell(emp.getFullName()));
Listhead lhList = listleaveBalances.getListhead();
for (int i = 0; i < j; i++) {
Doublebox dBox = new Doublebox();
dBox.setFormat("####.#");
dBox.setStyle("width: 75%;");
for (LeaveBalance lbl : leaveBalanceList) {
if (lbl.getEmployee().getGkey().equals(emp.getGkey())
&& ((LeaveTypes) lhList.getChildren().get(2 + i).getAttribute("leaveTypes")).getGkey()
.equals(lbl.getLeaveTypes().getGkey())) {
dBox.setValue(Double.parseDouble(lbl.getOpeningBalance()));
dBox.setAttribute("gkey", lbl.getGkey());
}
}
dBox.addEventListener(Events.ON_BLUR,
event -> UpperBoundValidation(((Doublebox) event.getTarget()).getValue(),
event.getTarget()));
Listcell lc = new Listcell();
lc.appendChild(dBox);
item.appendChild(lc);
if (lc.getColumnIndex() == 2) {
lc.setStyle("border-left:5px double #cfcfcf ");
}
}
for (int i = 0; i < j; i++) {
Doublebox dBox = new Doublebox();
dBox.setFormat("####.#");
dBox.setStyle("width: 75%;background: #ffffff !important;color: #000!important;");
dBox.setDisabled(Boolean.TRUE);
// dBox.addEventListener(Events.ON_CTRL_KEY, event -> {
// KeyEvent ke = (KeyEvent) event;
// System.out.println(ke.getKeyCode());
// });
for (LeaveBalance lbl : leaveBalanceList) {
if (lbl.getEmployee().getGkey().equals(emp.getGkey())
&& ((LeaveTypes) lhList.getChildren().get(2 + i).getAttribute("leaveTypes")).getGkey()
.equals(lbl.getLeaveTypes().getGkey())) {
dBox.setValue(Double.parseDouble(lbl.getOpeningBalance())
- Double.parseDouble(lbl.getClosingBalance()));
dBox.setAttribute("gkey", lbl.getGkey());
}
}
dBox.addEventListener(Events.ON_BLUR,
event -> UpperBoundValidation(((Doublebox) event.getTarget()).getValue(),
event.getTarget()));
Listcell lc = new Listcell();
lc.appendChild(dBox);
item.appendChild(lc);
if (lc.getColumnIndex() == 6) {
lc.setStyle("border-left:5px double #cfcfcf ");
}
}
for (int i = 0; i < j; i++) {
Doublebox dBox = new Doublebox();
dBox.setFormat("####.#");
dBox.setStyle("width: 75%;background: #ffffff !important;color: #000!important;");
dBox.setDisabled(Boolean.TRUE);
// dBox.addEventListener(Events.ON_CTRL_KEY, event -> {
// KeyEvent ke = (KeyEvent) event;
// System.out.println(ke.getKeyCode());
// });
for (LeaveBalance lbl : leaveBalanceList) {
if (lbl.getEmployee().getGkey().equals(emp.getGkey())
&& ((LeaveTypes) lhList.getChildren().get(2 + i).getAttribute("leaveTypes")).getGkey()
.equals(lbl.getLeaveTypes().getGkey())) {
dBox.setValue(Double.parseDouble(lbl.getClosingBalance()));
dBox.setAttribute("gkey", lbl.getGkey());
}
}
dBox.addEventListener(Events.ON_BLUR,
event -> UpperBoundValidation(((Doublebox) event.getTarget()).getValue(),
event.getTarget()));
Listcell lc = new Listcell();
lc.appendChild(dBox);
item.appendChild(lc);
if (lc.getColumnIndex() == 10) {
lc.setStyle("border-left:5px double #cfcfcf ");
} else if (lc.getColumnIndex() == 13) {
lc.setStyle("border-right:5px double #cfcfcf ");
}
}
Doublebox dBox = new Doublebox();
dBox.setFormat("####.#");
dBox.setStyle("width: 30%;background: #ffffff !important;color: #000!important;margin-left:30%;text-align:center;");
for (LeaveBalance lbl : leaveBalanceList) {
dBox.setValue(Double.parseDouble(lbl.getLeaveAdjusted()));
dBox.setAttribute("gkey", lbl.getGkey());
}
Listcell lcs = new Listcell();
lcs.appendChild(dBox);
item.appendChild(lcs);
});
listleaveBalances.setModel(empListModel);
}
}
private Object UpperBoundValidation(Double data, Component box) {
double maxValue = 100.0;
if (data != null && data > maxValue) {
throw new WrongValueException(box, "Cannot be greater than 100");
} else {
return data;
}
}
private void AddLeaveBalanceList() {
try {
Listhead lh = listleaveBalances.getListhead();
Listheader lhEmpId = new Listheader();
lhEmpId.setLabel("Emp Id");
lhEmpId.setSort("auto(code)");
lhEmpId.setWidth("6%");
lh.appendChild(lhEmpId);
Listheader lhEmpName = new Listheader();
lhEmpName.setLabel("Emp Name");
lhEmpName.setSort("auto(fullName)");
lhEmpName.setWidth("20%");
lh.appendChild(lhEmpName);
ltList = helper.getMiLmsService().listLeaveTypes();
SortListUtil.sortListWithCustomCompare(ltList,
(o1, o2) -> ((LeaveTypes) o1).getGkey().compareTo(((LeaveTypes) o2).getGkey()));
for (int i = 0; i < 3; i++) {
for (LeaveTypes lt : ltList) {
Listheader lhl = new Listheader();
lhl.setLabel(lt.getLeaveCode());
lhl.setAttribute("leaveTypes", lt);
lhl.setWidth("5%");
lh.appendChild(lhl);
if (lhl.getColumnIndex() == 2 || lhl.getColumnIndex() == 6 || lhl.getColumnIndex() == 10) {
lhl.setStyle("border-left:5px double #cfcfcf ");
} else if (lhl.getColumnIndex() == 13) {
lhl.setStyle("border-right:5px double #cfcfcf ");
}
}
}
Listheader lhAdj = new Listheader();
lhAdj.setLabel("PL");
lhAdj.setSort("auto(fullName)");
lhAdj.setWidth("10%");
lh.appendChild(lhAdj);
au1.setColspan(2);
au2.setColspan(ltList.size());
au3.setColspan(ltList.size());
au4.setColspan(ltList.size());
au5.setColspan(1);
setListItems(ltList.size());
} catch (DaoException e) {
// TODO Auto-generated catch block
LOG.info(e);
}
}
private void setListItems(int j) throws DaoException {
empList = helper.getMiOrgService().listEmployee();
Collections.sort(empList, (e1, e2) -> e1.getCode().compareTo(e2.getCode()));
setListBox(empList, j);
}
@Listen("onClick=#updateLeaveBalance")
public void updateLeaveBalance() {
List<Listitem> liList = listleaveBalances.getItems();
for (Listitem li : liList) {
try {
LeaveTypes lt = new LeaveTypes();
LeaveBalance lb = new LeaveBalance();
Double value = 0.0;
List<Component> chList = li.getChildren();
for (Component c : chList) {
if (c.getFirstChild() instanceof Doublebox) {
if (null != ((Doublebox) c.getFirstChild()).getValue()) {
Long gkey = (Long) ((Doublebox) c.getFirstChild()).getAttribute("gkey");
value = ((Doublebox) c.getFirstChild()).getValue();
lt = (LeaveTypes) ((Listcell) c).getListheader().getAttribute("leaveTypes");
lb.setLeaveTypes(lt);
lb.setOpeningBalance(String.valueOf(value));
lb.setClosingBalance(String.valueOf(value));
lb.setLeaveTaken("0");
lb.setDeleteFlag(Boolean.FALSE);
lb.setCurrentBalanceFlag(Boolean.TRUE);
lb.setEmployee((Employee) li.getAttribute("employee"));
if (null != gkey) {
lb.setLeaveAdjusted("10");
lb.setGkey(gkey);
helper.getMiLmsService().updateLeaveBalance(lb);
} else {
helper.getMiLmsService().addLeaveBalance(lb);
}
}
}
}
} catch (DaoException e) {
// TODO Auto-generated catch block
LOG.info(e);
}
// lb.setMonthYear(DateAndTimeUtil.getMonthYearName(Calendar.mo));
}
Executions.sendRedirect("/leaveBalanceList");
}
}
0 个答案:
没有答案
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