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index.zulzul<zk>
<window border="normal" title="Course registrations" apply="org.zkoss.bind.BindComposer" viewModel="@id('partVm') @init('pkg$.ParticipantVm')">
<grid model="@load(partVm.coursesRegistrations)" mold="paging" pageSize="20" emptyMessage="No courses">
<columns>
<column width="40px"/>
<column sort="auto(course.title)" label="Title"/>
<column sort="auto(course.startDate)" label="Start date"/>
<column sort="auto(endDate)" label="End date}"/>
</columns>
<template name="model" var="cr" status="crStatus">
<row>
<detail open="@bind(cr.detailOpen)">
<grid model="@load(cr.registrations)" mold="paging" pageSize="20" emptyMessage="No registrations}">
<columns>
<column sort="auto(participant.firstName)" label="First name"/>
<column sort="auto(participant.lastName)" label="Last name"/>
<column sort="auto(registrationStatus)" label="Registration status"/>
</columns>
<template name="model" var="reg" status="regStatus">
<row>
<label value="@load(reg.participant.firstName)"/>
<label value="@load(reg.participant.lastName)"/>
<menubar autodrop="false">
<menu label="@load(reg.registrationStatus)">
<menupopup>
<menuitem label="waiting" visible="@load(reg.registrationStatus ne 'waiting')" onClick="@command('changeRegistrationStatus', registration=reg, status='waiting', courseIndex=crStatus.index, regIndex=regStatus.index)"/>
<menuitem label="validated" visible="@load(reg.registrationStatus ne 'validated')" onClick="@command('changeRegistrationStatus', registration=reg, status='validated', courseIndex=crStatus.index, regIndex=regStatus.index)"/>
<menuitem label="rejected" visible="@load(reg.registrationStatus ne 'rejected')" onClick="@command('changeRegistrationStatus', registration=reg, status='rejected', courseIndex=crStatus.index, regIndex=regStatus.index)"/>
</menupopup>
</menu>
</menubar>
</row>
</template>
</grid>
</detail>
<label value="@load(cr.course.title)"/>
<label value="@load(cr.course.startDate) @converter('formattedLocalDateTime',format='dd.MM.yyyy HH:mm')"/>
<label value="@load(cr.course.endDate) @converter('formattedLocalDateTime',format='dd.MM.yyyy HH:mm')"/>
</row>
</template>
</grid>
<separator height="20"/>
<label value="LOGS"/>
<textbox value="@load(partVm.logs)" hflex="1" multiline="true" rows="5"/>
</window>
</zk>
ParticipantVm.javajavaimport pkg$.CourseRegistration;
import pkg$.Participant;
import pkg$.Course;
import pkg$.Registration;
import java.util.*;
import java.time.LocalDateTime;
import org.zkoss.bind.BindUtils;
import org.zkoss.bind.annotation.*;
public class ParticipantVm {
private List<CourseRegistration> coursesRegistrations;
private String logs = "";
public List<CourseRegistration> getCoursesRegistrations() {
return coursesRegistrations;
}
public void setCoursesRegistrations(List<CourseRegistration> coursesRegistrations) {
this.coursesRegistrations = coursesRegistrations;
}
public String getLogs() {
return logs;
}
public void setLogs(String logs) {
this.logs = logs;
}
@Init
public void init() {
coursesRegistrations = new ArrayList<>();
final Participant p1 = new Participant("Douglas", "Bob");
final Participant p2 = new Participant("Pringston", "Jennifer");
final Participant p3 = new Participant("Dupond", "Jean");
final Participant p4 = new Participant("Doe", "John");
final Course c1 = new Course("Course 1", LocalDateTime.now(), LocalDateTime.now().plusHours(2));
final Course c2 = new Course("Course 2", LocalDateTime.now().plusHours(50), LocalDateTime.now().plusHours(53));
final Registration r1 = new Registration("waiting", p1, c1);
final Registration r2 = new Registration("waiting", p2, c2);
final Registration r3 = new Registration("rejected", p3, c1);
final Registration r4 = new Registration("validated", p4, c1);
final List<Registration> c1regs = new ArrayList<>();
c1regs.add(r1);
c1regs.add(r3);
c1regs.add(r4);
final List<Registration> c2regs = new ArrayList<>();
c2regs.add(r2);
final CourseRegistration cr = new CourseRegistration(c1, c1regs, false);
final CourseRegistration cr2 = new CourseRegistration(c2, c2regs, false);
coursesRegistrations.add(cr);
coursesRegistrations.add(cr2);
}
@Command
@NotifyChange("logs")
public void changeRegistrationStatus(@BindingParam("registration") final Registration reg,
@BindingParam("status") final String status,
@BindingParam("courseIndex") Integer courseIndex,
@BindingParam("regIndex") Integer regIndex) {
final Registration selectedReg = coursesRegistrations.get(courseIndex).getRegistrations().get(regIndex);
selectedReg.setRegistrationStatus(status);
logs = logs + "Registration for participant " + selectedReg.getParticipant().getFirstName() + " " + selectedReg.getParticipant().getLastName() + " as been set to " + selectedReg.getRegistrationStatus() + " (courseIndex is " + courseIndex + ", regIndex is " + regIndex + ")\n";
// here in real life I also save to database
BindUtils.postNotifyChange(null, null, selectedReg, "registrationStatus");
}
}
CourseRegistration.javajavaimport pkg$.Course;
import pkg$.Registration;
import java.util.*;
public class CourseRegistration {
private Course course;
private List<Registration> registrations;
private boolean detailOpen;
public CourseRegistration(Course course, List<Registration> registrations, boolean detailOpen) {
this.course = course;
this.registrations = registrations;
this.detailOpen = detailOpen;
}
public Course getCourse() {
return course;
}
public void setCourse(Course course) {
this.course = course;
}
public List<Registration> getRegistrations() {
return registrations;
}
public void setRegistrations(List<Registration> registrations) {
this.registrations = registrations;
}
public boolean isDetailOpen() {
return detailOpen;
}
public void setDetailOpen(boolean detailOpen) {
this.detailOpen = detailOpen;
}
}
Course.javajavaimport java.time.LocalDateTime;
public class Course {
private String title;
private LocalDateTime startDate;
private LocalDateTime endDate;
public Course(String title, LocalDateTime startDate, LocalDateTime endDate) {
this.title = title;
this.startDate = startDate;
this.endDate = endDate;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public LocalDateTime getStartDate() {
return startDate;
}
public void setStartDate(LocalDateTime startDate) {
this.startDate = startDate;
}
public LocalDateTime getEndDate() {
return endDate;
}
public void setEndDate(LocalDateTime endDate) {
this.endDate = endDate;
}
}
Registration.javajavaimport pkg$.Participant;
public class Registration {
private String registrationStatus;
private Participant participant;
private Course course;
public Registration(String registrationStatus, Participant participant, Course course) {
this.registrationStatus = registrationStatus;
this.participant = participant;
this.course = course;
}
public String getRegistrationStatus() {
return registrationStatus;
}
public void setRegistrationStatus(String registrationStatus) {
this.registrationStatus = registrationStatus;
}
public Participant getParticipant() {
return participant;
}
public void setParticipant(Participant participant) {
this.participant = participant;
}
public Course getCourse() {
return course;
}
public void setCourse(Course course) {
this.course = course;
}
}
Participant.javajavapublic class Participant {
private String lastName;
private String firstName;
public Participant(String lastName, String firstName) {
this.lastName = lastName;
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
}