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index.zulzul<zk>
<window id="winSchools" title="Schools" border="normal" height="100%" width="100%"
apply="pkg$.SchoolsListController">
<toolbar>
<toolbarbutton id="tbtnEdit" label="Edit" image="/images/tb-edit.png" />
<toolbarbutton id="tbtnRemove" label="Remove" image="/images/tb-delete.png" />
</toolbar>
<listbox id="lbSchools" model="@{ controller.schools }" selectedItem="@{ controller.selectedSchool }"
vflex="true">
<listhead sizable="true">
<listheader label="Code" width="50px" sort="auto"/>
<listheader label="Name" width="150px" sort="auto"/>
<listheader label="Address" width="200px" sort="auto"/>
</listhead>
<listitem self="@{each='school'}" value="@{school}" >
<listcell label="@{school.code}" />
<listcell label="@{school.name}" />
<listcell label="@{school.address}" />
</listitem>
</listbox>
</window>
</zk>
SchoolsListController.javajava
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.Executions;
import org.zkoss.zk.ui.SuspendNotAllowedException;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.EventListener;
import org.zkoss.zk.ui.util.GenericForwardComposer;
import org.zkoss.zkplus.databind.AnnotateDataBinder;
import org.zkoss.zul.Messagebox;
import org.zkoss.zul.api.Listbox;
import org.zkoss.zul.api.Window;
public class SchoolsListController extends GenericForwardComposer {
private static final long serialVersionUID = 1L;
private AnnotateDataBinder binder;
private Window winSchools;
private Listbox lbSchools;
private List<School> schools;
private School selectedSchool;
@Override
public void doAfterCompose(Component comp) throws Exception {
try {
super.doAfterCompose(comp);
}
catch (Exception e) {
e.printStackTrace();
}
/*
* create the data binder and bind this composer as the base model bean
*/
binder = new AnnotateDataBinder(comp);
binder.bindBean("controller", this);
/*
* populate data models
*/
createModels();
}
public void onCreate(Event event) {
/*
* populate ui with data
*/
binder.loadAll();
}
/*
* Create some mock data models
*/
private void createModels() {
schools = new ArrayList<School>();
schools.add(new School("1", "1st school", "address-1"));
schools.add(new School("2", "2nd school", "address-2"));
schools.add(new School("3", "3rd school", "address-3"));
schools.add(new School("4", "4th school", "address-4"));
schools.add(new School("5", "5th school", "address-5"));
schools.add(new School("6", "6th school", "address-6"));
schools.add(new School("7", "7th school", "address-7"));
schools.add(new School("8", "8th school", "address-8"));
schools.add(new School("9", "9th school", "address-9"));
}
/**
* Event handler method triggered when the "edit" toolbar button is pressed
*/
public void onClick$tbtnEdit() {
editSchool();
}
/**
* Event handler method triggered wheneber the user selects a listitem using CR or Double Click
*/
public void onOK$lbSchools() {
editSchool();
}
private void editSchool() {
if (selectedSchool == null) {
try {
Messagebox.show("You have to select a school from the list first.", "Error", Messagebox.OK, Messagebox.ERROR);
}
catch (InterruptedException e) {
e.printStackTrace();
}
return;
}
Map<String, Object> parameters = new HashMap<String, Object>();
parameters.put("SELECTED_SCHOOL", selectedSchool);
parameters.put("PARENT_WINDOW", winSchools);
Window editDialog = (Window) Executions.createComponents("SchoolEditor.zul", winSchools, parameters);
try {
editDialog.doModal();
}
catch (SuspendNotAllowedException e) {
e.printStackTrace();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* This method is actualy an event handler triggered only from the edit dialog
* and it is responsible to reflect the data changes made to the list.
*/
public void onSchoolSaved() {
int index = lbSchools.getSelectedIndex();
if (index == -1)
return;
binder.loadComponent( lbSchools.getItemAtIndexApi(index) );
}
/**
* Event handler method triggered when the "remove" toolbar button is pressed
*/
public void onClick$tbtnRemove() {
if (selectedSchool == null) {
try {
Messagebox.show("You have to select a school from the list first.", "Error", Messagebox.OK, Messagebox.ERROR);
}
catch (InterruptedException e) {
e.printStackTrace();
}
return;
}
try {
/*
* This event listener is needed to catch the response given by the user in the confirmation dialog
*/
EventListener eventListener = new EventListener() {
@Override
public void onEvent(Event event) throws Exception {
switch (((Integer) event.getData()).intValue()) {
case Messagebox.OK:
deleteSchool();
break;
}
}
};
Messagebox.show("Are you sure you want to delete " + selectedSchool.getName() + "?",
"Warning",
Messagebox.OK | Messagebox.CANCEL,
Messagebox.QUESTION,
eventListener);
}
catch (InterruptedException e) {
e.printStackTrace();
}
}
/**
* Delete the selected school
*/
private void deleteSchool() {
schools.remove(selectedSchool);
selectedSchool = null;
binder.loadComponent(lbSchools);
}
public AnnotateDataBinder getBinder() {
return binder;
}
public void setBinder(AnnotateDataBinder binder) {
this.binder = binder;
}
public List<School> getSchools() {
return schools;
}
public void setSchools(List<School> schools) {
this.schools = schools;
}
public School getSelectedSchool() {
return selectedSchool;
}
public void setSelectedSchool(School selectedSchool) {
this.selectedSchool = selectedSchool;
}
}
School.javajavaimport java.io.Serializable;
public class School implements Serializable {
private static final long serialVersionUID = 1L;
private String code;
private String name;
private String address;
public School(String code, String name, String address) {
super();
this.code = code;
this.name = name;
this.address = address;
}
public String getCode() {
return code;
}
public void setCode(String code) {
this.code = code;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((code == null) ? 0 : code.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
School other = (School) obj;
if (code == null) {
if (other.code != null)
return false;
} else if (!code.equals(other.code))
return false;
return true;
}
}
SchoolEditor.zulzul<?page title="Schools" contentType="text/html;charset=UTF-8"?>
<zk>
<window id="winEditor" title="School Editor" border="normal" height="350px" width="400px" closable="true"
apply="pkg$.SchoolEditorController">
<vlayout>
<toolbar>
<toolbarbutton id="tbtnSave" label="Save" />
<toolbarbutton id="tbtnExit" label="Exit" />
</toolbar>
<grid id="gridSchool">
<columns>
<column width="100px"/>
<column/>
</columns>
<rows>
<row>
<label value="Code" />
<textbox value="@{ controller.selectedSchool.code, access='both', save-when='none' }"/>
</row>
<row>
<label value="Name" />
<textbox value="@{ controller.selectedSchool.name, access='both', save-when='none' }"/>
</row>
<row>
<label value="Address" />
<textbox value="@{ controller.selectedSchool.address, access='both', save-when='none' }"/>
</row>
</rows>
</grid>
</vlayout>
</window>
</zk>SchoolEditorController.javajava
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zk.ui.util.GenericForwardComposer;
import org.zkoss.zkplus.databind.AnnotateDataBinder;
import org.zkoss.zul.api.Window;
public class SchoolEditorController extends GenericForwardComposer {
private static final long serialVersionUID = 1L;
private AnnotateDataBinder binder;
private School selectedSchool;
private Window parentWindow;
private Window winEditor;
@Override
public void doAfterCompose(Component comp) throws Exception {
try {
super.doAfterCompose(comp);
}
catch (Exception e) {
e.printStackTrace();
}
/*
* create the data binder and bind this composer as the base model bean
*/
binder = new AnnotateDataBinder(comp);
binder.bindBean("controller", this);
/*
* retrieve parameters passed here by the caller
*/
selectedSchool = (School)arg.get("SELECTED_SCHOOL");
parentWindow = (Window)arg.get("PARENT_WINDOW");
}
public void onCreate(Event event) {
/*
* populate ui with data
*/
binder.loadAll();
}
/**
* Event handler for closing this dialog using the "exit" toolbar button
*/
public void onClick$tbtnExit() {
winEditor.detach();
}
/**
* Event handler for saving the model values
*/
public void onClick$tbtnSave() {
binder.saveAll();
winEditor.detach();
Events.sendEvent(new Event("onSchoolSaved", parentWindow));
}
public AnnotateDataBinder getBinder() {
return binder;
}
public void setBinder(AnnotateDataBinder binder) {
this.binder = binder;
}
public School getSelectedSchool() {
return selectedSchool;
}
public void setSelectedSchool(School selectedSchool) {
this.selectedSchool = selectedSchool;
}
}