Tuesday, 12 June 2012

MVC Combo Box Data binding

In this example, we will see how we can data bind Combo box using MVC Data binding (ZK's annotated data binding manager utility)


ZK Version : ZK 6
Project Name :ComboxBoxMVC
Project Structure :
image
Example1.zul

   1: <?page title="new page title" contentType="text/html;charset=UTF-8"?>
   2: <?init class="org.zkoss.zkplus.databind.AnnotateDataBinderInit" ?> 
   3: <zk>
   4:     <window id="myWin" title="new page title" border="normal" apply="mydomainUI.Example1Ctrl ">
   5:         <combobox  id="list" width="200px" 
   6:             model="@{myWin$Example1Ctrl.users}"
   7:             selectedItem="@{myWin$Example1Ctrl.selected}" >
   8:             <comboitem self="@{each='item'}" label="@{item.userName}"
   9:                 value="@{item.userCode}"   description="The simplest way to make Web applications rich" />
  10:         </combobox>
  11:     </window>
  12: </zk>

users.java





   1: package mydomain;
   2:  
   3: public class users {
   4:  
   5:     private String userCode;
   6:     private String userName;
   7:     private String userPassword;
   8:     private String active;
   9:     private String firstName;
  10:     private String lastName;
  11:     private String homePhone;
  12:     private String mobilePhone;
  13:  
  14:     public String getFirstName() {
  15:         return firstName;
  16:     }
  17:  
  18:     public void setFirstName(String firstName) {
  19:         this.firstName = firstName;
  20:     }
  21:  
  22:     public String getLastName() {
  23:         return lastName;
  24:     }
  25:  
  26:     public void setLastName(String lastName) {
  27:         this.lastName = lastName;
  28:     }
  29:  
  30:     public String getHomePhone() {
  31:         return homePhone;
  32:     }
  33:  
  34:     public void setHomePhone(String homePhone) {
  35:         this.homePhone = homePhone;
  36:     }
  37:  
  38:     public String getMobilePhone() {
  39:         return mobilePhone;
  40:     }
  41:  
  42:     public void setMobilePhone(String mobilePhone) {
  43:         this.mobilePhone = mobilePhone;
  44:     }
  45:  
  46:     public String getUserCode() {
  47:         return userCode;
  48:     }
  49:  
  50:     public void setUserCode(String userCode) {
  51:         this.userCode = userCode;
  52:     }
  53:  
  54:     public String getUserName() {
  55:         return userName;
  56:     }
  57:  
  58:     public void setUserName(String userName) {
  59:         this.userName = userName;
  60:     }
  61:  
  62:     public String getUserPassword() {
  63:         return userPassword;
  64:     }
  65:  
  66:     public void setUserPassword(String userPassword) {
  67:         this.userPassword = userPassword;
  68:     }
  69:  
  70:     public String getActive() {
  71:         return active;
  72:     }
  73:  
  74:     public void setActive(String active) {
  75:         this.active = active;
  76:     }
  77:  
  78: }

Example1Ctrl





   1: package mydomainUI;
   2:  
   3: import java.util.ArrayList;
   4: import java.util.List;
   5:  
   6: import mydomain.users;
   7:  
   8: import org.zkoss.zk.ui.Component;
   9: import org.zkoss.zk.ui.event.Event;
  10: import org.zkoss.zk.ui.util.GenericForwardComposer;
  11: import org.zkoss.zul.Messagebox;
  12:  
  13: @SuppressWarnings({ "rawtypes", "serial" })
  14: public class Example1Ctrl extends GenericForwardComposer {
  15:  
  16:     private List<users> usersAll = new ArrayList<users>();
  17:     private users curSelectedUser;
  18:  
  19:     public users getSelected() {
  20:         return curSelectedUser;
  21:     }
  22:  
  23:     public void setSelected(users sel) {
  24:         curSelectedUser = sel;
  25:     }
  26:  
  27:     @SuppressWarnings("unchecked")
  28:     public void doAfterCompose(Component comp) throws Exception {
  29:         super.doAfterCompose(comp);
  30:         users u1 = new users();
  31:         u1.setUserName("John");
  32:         u1.setUserCode("User101");
  33:         u1.setUserPassword("xxxxx");
  34:         u1.setFirstName("JohnFirstName");
  35:         u1.setLastName("JohnLastName");
  36:         u1.setHomePhone("1111111111");
  37:         u1.setMobilePhone("222222");
  38:         u1.setActive("Y");
  39:         usersAll.add(u1);
  40:  
  41:         u1 = new users();
  42:         u1.setUserName("Robert");
  43:         u1.setUserCode("User102");
  44:         u1.setUserPassword("xxxxx");
  45:         u1.setActive("Y");
  46:         u1.setFirstName("RobertFirstName");
  47:         u1.setLastName("RobertLastName");
  48:         u1.setHomePhone("53534343");
  49:         u1.setMobilePhone("4534343");
  50:         usersAll.add(u1);
  51:  
  52:         u1 = new users();
  53:         u1.setUserName("Sean");
  54:         u1.setUserCode("User103");
  55:         u1.setUserPassword("xxxxx");
  56:         u1.setActive("N");
  57:         u1.setFirstName("SeanFirstName");
  58:         u1.setLastName("SeanLastName");
  59:         u1.setHomePhone("643434343");
  60:         u1.setMobilePhone("64343445434");
  61:         usersAll.add(u1);
  62:  
  63:         u1 = new users();
  64:         u1.setUserName("Marry");
  65:         u1.setUserCode("User104");
  66:         u1.setUserPassword("xxxxx");
  67:         u1.setActive("N");
  68:         u1.setFirstName("MarryFirstName");
  69:         u1.setLastName("MarryLastName");
  70:         u1.setHomePhone("8644344");
  71:         u1.setMobilePhone("44333");
  72:         usersAll.add(u1);
  73:         curSelectedUser = new users();
  74:     }
  75:  
  76:     public List<users> getUsers() {
  77:         return usersAll;
  78:     }
  79:  
  80:     public void onSelect$list(Event evt) {
  81:         
  82:         Messagebox.show("Selected User Code " + curSelectedUser.getUserCode());
  83:     }
  84:  
  85: }



Download the source as war file


Reference
http://www.zkoss.org/javadoc/latest/zk/org/zkoss/zkplus/databind/AnnotateDataBinder.html
http://books.zkoss.org/wiki/Small_Talks/2010/July/Improved_AnnotateDataBinder_Initializer
http://books.zkoss.org/wiki/ZK_Essentials/Displaying_Information_in_a_Grid_Using_Data_Binding/The_Concept_of_Data_Binding
http://zkfiddle.org/sample/38ipduo/39-Databind-example#source-1




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