org.symbian.tools.wrttools.doc.WebDeveloper/html/GUID-B2BCD2C0-DA4D-4830-9BF3-5DA50879A3A1.html
author Eugene Ostroukhov <eugeneo@symbian.org>
Mon, 15 Mar 2010 17:56:08 -0700
changeset 268 ef733cd772bb
parent 229 716254ccbcc0
permissions -rw-r--r--
Bug 2213 - User is not prompted to save when debug session is started


<!DOCTYPE html
  PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><meta name="copyright" content="(C) Copyright 2009"/><meta name="DC.rights.owner" content="(C) Copyright 2009"/><meta name="DC.Type" content="mobileconcept"/><meta name="DC.Title" content="Contacts Service API example"/><meta name="DC.Relation" scheme="URI" content="GUID-8722B5DB-5EA6-446D-8C1D-7A0B3D8781EF"/><meta name="DC.Relation" scheme="URI" content="GUID-7C69DDA4-16F1-4A8F-BDB2-4CB0015B4E81"/><meta name="DC.Relation" scheme="URI" content="GUID-65AAF569-D347-462B-B59A-9D7CA184AB9C"/><meta name="DC.Relation" scheme="URI" content="GUID-A5853293-7B83-4CCE-9C29-B2B8F0CD8A18"/><meta name="DC.Format" content="XHTML"/><meta name="DC.Identifier" content="GUID-B2BCD2C0-DA4D-4830-9BF3-5DA50879A3A1"/><title>Contacts Service API example </title><script type="text/javascript">
      function initPage() {}
    </script><link href="../PRODUCT_PLUGIN/book.css" rel="stylesheet" type="text/css"/><link href="css/s60/style.css" rel="stylesheet" type="text/css" media="all"/></head><body onload="initPage();"><div class="body"><div class="contentLeft prTxt"><h1 class="pageHeading" id="GUID-B2BCD2C0-DA4D-4830-9BF3-5DA50879A3A1">Contacts Service API example</h1><div>
<p/>
<p>This section presents the full source code of a working sample widget
for the <a href="GUID-662F2E2E-9538-42E5-9B5A-5664F1C11A9E.html#GUID-662F2E2E-9538-42E5-9B5A-5664F1C11A9E">Contacts Service</a>.
You can download the <code>wgz</code> package for this widget from
section <a href="GUID-775005BC-2FF8-45A9-BBA6-6CED6B5780A2.html#GUID-775005BC-2FF8-45A9-BBA6-6CED6B5780A2">Example widgets</a>.</p>
<p>For general information about creating widgets, see section <a href="GUID-0E3095DB-03FF-4240-83F2-6D876AD2083A.html#GUID-0E3095DB-03FF-4240-83F2-6D876AD2083A">Widget component files</a>.</p>
<p>For widget development and debugging purposes, this example writes its
output to <code>c:\data\jslog_widget.log</code> using <code>console.info</code>.
For instructions on how to enable logging in the Web browser for S60, see
section <a href="GUID-B584CA90-543B-4AED-B134-A3A616259DB9.html#GUID-B584CA90-543B-4AED-B134-A3A616259DB9">JavaScript console</a>.</p>
<div><h3>Info.plist</h3>
<pre class="codeblock" id="GUID-F38B000F-B0A5-40F2-92F4-52B48314B147">&lt;?xml version="1.0" encoding="UTF-8"?&gt;
&lt;!DOCTYPE plist PUBLIC "-//Nokia//DTD PLIST 1.0//EN" "http://www.nokia.com/NOKIA_COM_1/DTDs/plist-1.0.dtd"&gt;
&lt;plist version="1.0"&gt;
&lt;dict&gt;
  &lt;key&gt;DisplayName&lt;/key&gt;
  &lt;string&gt;ContactSample&lt;/string&gt;
  &lt;key&gt;Identifier&lt;/key&gt;
  &lt;string&gt;com.nokia.widget.sapi.contact.sample&lt;/string&gt;
  &lt;key&gt;Version&lt;/key&gt;
  &lt;string&gt;1.0&lt;/string&gt;
  &lt;key&gt;MainHTML&lt;/key&gt;
  &lt;string&gt;contact-sample.html&lt;/string&gt;
&lt;/dict&gt;
&lt;/plist&gt;</pre>
</div>
<div><h3>contact-sample.html</h3>
<pre class="codeblock" id="GUID-8E2E2DE4-7C29-4325-888F-5526F42B372C">&lt;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"&gt;
&lt;html&gt;
  &lt;head&gt;
    &lt;script type="text/javascript" src="js/common.js"&gt;&lt;/script&gt;
    &lt;script type="text/javascript" src="js/contact-sample.js"&gt;&lt;/script&gt;
  &lt;/head&gt;
  &lt;body id='docBody' bgcolor="#ddeeff" onload="setup()" style=width:100%;height:100%;&gt;
    &lt;form name="frm"&gt;
      &lt;h3&gt;Contact API Sample Widget&lt;/h3&gt;
      Async&lt;input type="checkbox" id="async_check" onClick="check_async()"&gt;
      Cancel&lt;input type="checkbox" id="cancel_check" onClick="check_cancel()"&gt;&lt;br/&gt;
      &lt;hr&gt;
      &lt;input type="button" onclick="addContact('img1')" value="AddContact"&gt;&lt;img id="img1" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
      &lt;input type="button" onclick="delContact('img2')" value="DeleteContact"&gt;&lt;img id="img2" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
      &lt;input type="button" onclick="getContactList('img3')" value="GetContactList"&gt;&lt;img id="img3" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
      &lt;input type="button" onclick="importContact('img4')" value="ImportContact"&gt;&lt;img id="img4" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
      &lt;input type="button" onclick="exportContact('img5')" value="ExportContact"&gt;&lt;img id="img5" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
      &lt;hr&gt;
      &lt;input type="button" onclick="addGroup('img6')" value="AddGroup"&gt;&lt;img id="img6" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
      &lt;input type="button" onclick="delGroup('img7')" value="DeleteGroup"&gt;&lt;img id="img7" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
      &lt;input type="button" onclick="getGroupList('img8')" value="GetGroupList"&gt;&lt;img id="img8" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
      &lt;input type="button" onclick="organiseGroup('img9')" value="OrganiseGroup"&gt;&lt;img id="img9" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
      &lt;hr&gt;
      &lt;div class='contactsample' id='contactsample' bgcolor="#ddeeff" style=width:100%;height:100%;overflow:auto&gt;&lt;/div&gt;
    &lt;/form&gt;
  &lt;/body&gt;
&lt;/html&gt;
</pre>
</div>
<div><h3>common.js</h3>
<pre class="codeblock" id="GUID-4A563AFF-3E2C-4289-B256-1AE1B30E0027">// common.js
//
// This file contains some utility functions

// Check the error code and show the information to users
function checkError(message, resultList, divId, imgId)
{
  var errCode = resultList.ErrorCode;
  var msg = "";

  if (errCode) {
    msg = message + "&lt;BR&gt;" + "Failed Error: " + errCode + "&lt;BR&gt;";
    if(resultList.ErrorMessage != undefined)
      msg += "Error Message: " + resultList.ErrorMessage;
    showIMG(imgId,"no"); 
  } else {
    showIMG(imgId,"yes"); 
  }

  //print error message
  if(divId != null &amp;&amp; divId != undefined)
    document.getElementById(divId).innerHTML = msg;
  console.info(msg);

  return errCode;
}

// Build the message by reading a iteratorable list in a recursive manner
function showIterableList(iterator)
{
  var msg = "";
  try
  {
    iterator.reset();
    var item;
    while (( item = iterator.getNext()) != undefined ){
      msg += showObject( item );
    }
  }
  catch(e)
  {
    alert('&lt;showIterableList&gt; ' + e);
  }
  return msg;
}

// Build the message by reading a JS object in a recursive manner
function showObject( obj )
{
  var txt = "";
  try {
    if ( typeof obj != 'object' )
      return "" + obj + '&lt;BR/&gt;';
    else {
      for(var key in obj) {
        txt +=  key + ":";
        txt += showObject( obj[key] );
        txt += '&lt;BR/&gt;';
      }
      txt += '&lt;BR/&gt;';
    }
  }
  catch (e)
  {
    alert("showObject: " + e);
  }
  return txt;
}

// Show the image to indicate the test result
function showIMG(imgId, isOK) 
{
  if(imgId == null || imgId == undefined)
    return;

  if(isOK == "yes")
    document.getElementById(imgId).src = "pic/yes.png";
  else if(isOK == "no")
    document.getElementById(imgId).src = "pic/no.png";
  else
    document.getElementById(imgId).src = "pic/blank.png";
}

// Show elements in object by using 'alert'
function testObject(obj)
{
  var msg = "";
  for(var key in obj) {
    msg = msg + ":" + key + "=" + obj[key];
  }
  alert(msg);
}

// Test whether the input is numeric
function IsNumeric(sText)
{
  var ValidChars = "0123456789.";
  var IsNumber=true;
  var Char;

  for (i = 0; i &lt; sText.length &amp;&amp; IsNumber == true; i++)
  {
    Char = sText.charAt(i);
    if (ValidChars.indexOf(Char) == -1)
    {
      IsNumber = false;
    }
  }
  return IsNumber;
}</pre>
</div>
<div><h3>contact-sample.js</h3>
<pre class="codeblock" id="GUID-B088017C-63A8-4E47-99F8-E2FE21112ED4">// contact-sample.js
//
// In this sample Contact and Group will be added, deleted, and listed from
// default database; Contact will be imported and exported; Group will be
// organised; Also, async operation will be canceled
//

//SAPI Error Codes
// 0    - Success
// 1000 - InvalidServiceArgument
// 1001 - UnknownArgumentName
// 1002 - BadArgumentType
// 1003 - MissingArgument
// 1004 - ServiceNotSupported
// 1005 - ServiceInUse
// 1006 - ServiceNotReady
// 1007 - NoMemory
// 1008 - HardwareNotAvailable
// 1009 - ServerBusy
// 1010 - EntryExists
// 1011 - AccessDenied
// 1012 - NotFound
// 1013 - UnknownFormat
// 1014 - GeneralError
// 1015 - CancelSuccess
// 1016 - ServiceTimedOut
// 1017 - PathNotFound

// declare the service object
var so;

// async Test Mode
var asyncMode;

// cancel Test Mode
var cancelMode;

// imgid for callback1 function
var imgid_callback1;

// imgid for callback2 function
var imgid_callback2;

// imgid for callback3 function
var imgid_callback3;

// imgid for callback4 function
var imgid_callback4;

// imgid for callback5 function
var imgid_callback5;

// imgid for callback6 function
var imgid_callback6;

// imgid for callback7 function
var imgid_callback7;

// id of the div used to display information
const DIV_ID = 'contactsample';

// Called from onload()
function setup()
{
  try {
    so = device.getServiceObject("Service.Contact", "IDataSource");
    console.info("setup: so: %s", so);
  }
  catch (e) {
    alert('&lt;setup&gt; ' +e);
  }
}

// Async checkbox handler
function check_async() {
  var asyncChk = document.getElementById("async_check");
  asyncMode = asyncChk.checked;
  if (!asyncMode) {
    var cancelChk = document.getElementById("cancel_check");
    cancelChk.checked = false;
    cancelChk = false;
  }
}

// cancel checkbox handler
function check_cancel() {
  var cancelChk = document.getElementById("cancel_check");
  cancelMode = cancelChk.checked;

  // if cancel checkbox is selected, the async checkbox should be
  // selected automatically
  if(cancelMode) {
    var asyncChk = document.getElementById("async_check");
    asyncChk.checked = true;
    asyncMode = true;
  }
}

// Add Contact
function addContact(imgId) {

  var last = new Object();
  last.Label = "Last name";
  last.Value = "Shen";

  var first = new Object();
  first.Label = "First name";
  first.Value = "Yi";

  var contactdata = new Object();
  contactdata.LastName = last;
  contactdata.FirstName = first;

  var criteria = new Object();
  criteria.Type = "Contact";
  criteria.Data = contactdata;

  try {
    var result;
    if (!asyncMode &amp;&amp; !cancelMode) { // sync
      result = so.IDataSource.Add(criteria);
      checkError("IDataSource::addContact",result,DIV_ID,imgId);
    } else if (asyncMode &amp;&amp; !cancelMode) {// async
      // set the image id for callback1 function
      imgid_callback1 = imgId;
      result = so.IDataSource.Add(criteria, callback1);
      if(!checkError("IDataSource::addContactAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
      }
    } else if (cancelMode){ // cancel
      // set the image id for callback1 function
      imgid_callback1 = imgId;
      result = so.IDataSource.Add(criteria, callback1);
      if(!checkError("IDataSource::cancelAddContactAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
        var criteria2 = new Object();
        criteria2.TransactionID = result.TransactionID;
        var result2 =so.IDataSource.Cancel(criteria2);
        checkError("IDataSource::cancelAddContactAsync",result2,DIV_ID,imgId);
      }
    }
  }
  catch (e) {
    showIMG(imgId,"no");
    alert ("addContact: " + e);
  }
}

// Delete Contact
function delContact(imgId) {

  // using the getFirstId to get the Contact Id
  // it is impossible to ask user to type the Contact Id because
  // the id is in binary and hard to be displayed by javascritp

  var contactId = getFirstId("Contact");
  if(contactId == null) {
    alert("No contact exists!");
    return;
  }

  var contactdata = new Object();
  contactdata.IdList = new Array();
  contactdata.IdList[0] = contactId;

  var criteria = new Object();
  criteria.Type = "Contact";
  criteria.Data = contactdata;

  try {
    var result;
    if (!asyncMode &amp;&amp; !cancelMode) { // sync
      result = so.IDataSource.Delete(criteria);
      checkError("IDataSource::delContact",result,DIV_ID,imgId);
    } else if (asyncMode &amp;&amp; !cancelMode) {// async
      // set the image id for callback2 function
      imgid_callback2 = imgId;
      result = so.IDataSource.Delete(criteria, callback2);
      if(!checkError("IDataSource::delContactAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
      }
    } else if (cancelMode){ // cancel
      // set the image id for callback2 function
      imgid_callback2 = imgId;
      result = so.IDataSource.Delete(criteria, callback2);
      if(!checkError("IDataSource::cancelDelContactAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
        var criteria2 = new Object();
        criteria2.TransactionID = result.TransactionID;
        var result2 =so.IDataSource.Cancel(criteria2);
        checkError("IDataSource::cancelDelContactAsync",result2,DIV_ID,imgId);
      }
     }
  }
  catch (e) {
    showIMG(imgId,"no");
    alert ("delContact: " + e);
  }
}

// Show Contact List
// find the property names in AddContact()
// Note, the contact id cannot be display correctly by javascript because
// it is a binary number
function showContactList(iterator) {
  var msg = "";
  try
  {
    iterator.reset();
    var item;
    while (( item = iterator.getNext()) != undefined ){
      var lastName = item['LastName'];
      var firstName = item['FirstName'];
      msg += lastName['Label'] + ":" + lastName['Value'] + "&lt;br&gt;";
      msg += firstName['Label'] + ":" + firstName['Value'] + "&lt;br&gt;";
      msg += "&lt;br&gt;";
    }
  }
  catch(e)
  {
    alert('&lt;showContacList&gt; ' + e);
  }
  return msg;
}

// Get the first Id
function getFirstId(type) {

  var criteria = new Object();
  criteria.Type = type;

  var result;
  var firstId = null;
  result = so.IDataSource.GetList(criteria);
  if(!result.ErrorCode) {
    var iterator = result.ReturnValue;
    var item = iterator.getNext();
    firstId = item['id'];
  }

  return firstId;
}

// Get Contact List
function getContactList(imgId) {

  var criteria = new Object();
  criteria.Type = "Contact";

  try {
    var result;
    if (!asyncMode &amp;&amp; !cancelMode) { // sync
      result = so.IDataSource.GetList(criteria);
      if(!checkError("IDataSource::getContactList",result,DIV_ID,imgId)) {
        document.getElementById(DIV_ID).innerHTML = showContactList(result.ReturnValue);
      }
    } else if (asyncMode &amp;&amp; !cancelMode) {// async
      // set the image id for callback7 function
      imgid_callback7 = imgId;
      result = so.IDataSource.GetList(criteria, callback7);
      if(!checkError("IDataSource::getContactListAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
      }
    } else if (cancelMode){ // cancel
      // set the image id for callback7 function
      imgid_callback7 = imgId;
      result = so.IDataSource.GetList(criteria, callback7);
      if(!checkError("IDataSource::cancelGetContactListAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
        var criteria2 = new Object();
        criteria2.TransactionID = result.TransactionID;
        var result2 =so.IDataSource.Cancel(criteria2);
        checkError("IDataSource::cancelGetContactListAsync",result2,DIV_ID,imgId);
      }
    }
  }
  catch (e) {
    showIMG(imgId,"no");
    alert ("getContactList: " + e);
  }
}

// Import Contact
function importContact(imgId) {

  var impFileName = prompt("Please enter the file name", "contact-export.txt");
  if (impFileName == "")
    return;

  var contactdata = new Object();
  contactdata.SourceFile = impFileName;

  var criteria = new Object();
  criteria.Type = "Contact";
  criteria.Data = contactdata;

  try {
    var result;
    if (!asyncMode &amp;&amp; !cancelMode) { // sync
      result = so.IDataSource.Import(criteria);
      checkError("IDataSource::Import",result,DIV_ID,imgId);
    } else if (asyncMode &amp;&amp; !cancelMode) {// async
      // set the image id for callback4 function
      imgid_callback4 = imgId;
      result = so.IDataSource.Import(criteria, callback4);
      if(!checkError("IDataSource::ImportAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
      }
    } else if (cancelMode){ // cancel
      // set the image id for callback4 function
      imgid_callback4 = imgId;
      result = so.IDataSource.Import(criteria, callback4);
      if(!checkError("IDataSource::cancelImportAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
        var criteria2 = new Object();
        criteria2.TransactionID = result.TransactionID;
        var result2 =so.IDataSource.Cancel(criteria2);
        checkError("IDataSource::cancelImportAsync",result2,DIV_ID,imgId);
      }
    }
  }
  catch (e) {
    showIMG(imgId,"no");
    alert ("importContact: " + e);
  }
}

// Export Contact
function exportContact(imgId) {

  // using the getFirstId to get the Contact Id
  // it is impossible to ask user to type the Contact Id because
  // the id is in binary and hard to be displayed by javascritp

  var contactId = getFirstId("Contact");
  if(contactId == null) {
    alert("No contact exists!");
    return;
  }

  var expFileName = prompt("Please enter the file name", "contact-export.txt");
  if (expFileName == "" || expFileName == null)
    return;

  var contactdata = new Object();
  contactdata.id = contactId;
  contactdata.DestinationFile = expFileName;

  var criteria = new Object();
  criteria.Type = "Contact";
  criteria.Data = contactdata;

  try {
    var result;
    if (!asyncMode &amp;&amp; !cancelMode) { // sync
      result = so.IDataSource.Export(criteria);
      checkError("IDataSource::Export",result,DIV_ID,imgId);
    } else if (asyncMode &amp;&amp; !cancelMode) {// async
      // set the image id for callback5 function
      imgid_callback5 = imgId;
      result = so.IDataSource.Export(criteria, callback5);
      if(!checkError("IDataSource::ExportAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
      }
    } else if (cancelMode){ // cancel
      // set the image id for callback5 function
      imgid_callback5 = imgId;
      result = so.IDataSource.Export(criteria, callback5);
      if(!checkError("IDataSource::cancelExportAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
        var criteria2 = new Object();
        criteria2.TransactionID = result.TransactionID;
        var result2 =so.IDataSource.Cancel(criteria2);
        checkError("IDataSource::cancelExportAsync",result2,DIV_ID,imgId);
      }
   }
  }
  catch (e) {
    showIMG(imgId,"no");
    alert ("exportContact: " + e);
  }
}

// Add Group
function addGroup(imgId) {

  var groupdata = new Object();
  groupdata.GroupLabel = "TestGroupName"

  var criteria = new Object();
  criteria.Type = "Group";
  criteria.Data = groupdata;

  try {
    var result;
    if (!asyncMode &amp;&amp; !cancelMode) { // sync
      result = so.IDataSource.Add(criteria);
      checkError("IDataSource::addGroup",result,DIV_ID,imgId);
    } else if (asyncMode &amp;&amp; !cancelMode) {// async
      // set the image id for callback1 function
      imgid_callback1 = imgId;
      result = so.IDataSource.Add(criteria, callback1);
      if(!checkError("IDataSource::addGroupAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
      }
    } else if (cancelMode){ // cancel
      // set the image id for callback1 function
      imgid_callback1 = imgId;
      result = so.IDataSource.Add(criteria, callback1);
      if(!checkError("IDataSource::cancelAddGroupAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
        var criteria2 = new Object();
        criteria2.TransactionID = result.TransactionID;
        var result2 =so.IDataSource.Cancel(criteria2);
        checkError("IDataSource::cancelAddGroupAsync",result2,DIV_ID,imgId);
      }
    }
  }
  catch (e) {
    showIMG(imgId,"no");
    alert ("addGroup: " + e);
  }
}

// Delete Group
function delGroup(imgId) {

  // using the getFirstId to get the Group Id
  // it is impossible to ask user to type the Group Id because
  // the id is in binary and hard to be displayed by javascritp

  var groupId = getFirstId("Group");
  if(groupId == null) {
    alert("No Group exists!");
    return;
  }

  var groupdata = new Object();
  groupdata.IdList = new Array();
  groupdata.IdList[0] = groupId;

  var criteria = new Object();
  criteria.Type = "Group";
  criteria.Data = groupdata;

  try {
    var result;
    if (!asyncMode &amp;&amp; !cancelMode) { // sync
      result = so.IDataSource.Delete(criteria);
      checkError("IDataSource::delGroup",result,DIV_ID,imgId);
    } else if (asyncMode &amp;&amp; !cancelMode) {// async
      // set the image id for callback2 function
      imgid_callback2 = imgId;
      result = so.IDataSource.Delete(criteria, callback2);
      if(!checkError("IDataSource::delGroupAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
      }
    } else if (cancelMode){ // cancel
      // set the image id for callback2 function
      imgid_callback2 = imgId;
      result = so.IDataSource.Delete(criteria, callback2);
      if(!checkError("IDataSource::cancelDelGroupAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
        var criteria2 = new Object();
        criteria2.TransactionID = result.TransactionID;
        var result2 =so.IDataSource.Cancel(criteria2);
        checkError("IDataSource::cancelDelGroupAsync",result2,DIV_ID,imgId);
      }
    }
  }
  catch (e) {
    showIMG(imgId,"no");
    alert ("delGroup: " + e);
  }
}

// Show Group List
// find the property names in AddGroup()
// Note, the group id cannot be display correctly by javascript because
// it is a binary number
function showGroupList(iterator) {
  var msg = "";
  try {
    iterator.reset();
    var item;
    while (( item = iterator.getNext()) != undefined ){
      msg += item['GroupLabel'] + "&lt;br&gt;";
      var groupList = item['Contents'];
      if(groupList == null || groupList == undefined)
        msg += "No group member.&lt;br&gt;";
      else {
        var i = 0;
        for (var key in groupList)
          i++;
        msg += "There are " + i +" contacts in this group.&lt;br&gt;";
      }
      msg += "&lt;br&gt;";
    }
  }
  catch(e)
  {
    alert('&lt;showGroupList&gt; ' + e);
  }
  return msg;
}

// Get Group
function getGroupList(imgId) {

  var criteria = new Object();
  criteria.Type = "Group";

  try {
    var result;
    if (!asyncMode &amp;&amp; !cancelMode) { // sync
      result = so.IDataSource.GetList(criteria);
      if(!checkError("IDataSource::getGroupList",result,DIV_ID,imgId)) {
        document.getElementById(DIV_ID).innerHTML = showGroupList(result.ReturnValue);
      }
    } else if (asyncMode &amp;&amp; !cancelMode) {// async
      // set the image id for callback3 function
      imgid_callback3 = imgId;
      result = so.IDataSource.GetList(criteria, callback3);
      if(!checkError("IDataSource::getGroupListAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
      }
    } else if (cancelMode){ // cancel
      // set the image id for callback3 function
      imgid_callback3 = imgId;
      result = so.IDataSource.GetList(criteria, callback3);
      if(!checkError("IDataSource::cancelGetGroupListAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
        var criteria2 = new Object();
        criteria2.TransactionID = result.TransactionID;
        var result2 =so.IDataSource.Cancel(criteria2);
        checkError("IDataSource::cancelGetGroupListAsync",result2,DIV_ID,imgId);
      }
    }
  }
  catch (e) {
    showIMG(imgId,"no");
    alert ("getGroupList: " + e);
  }
}

// Organise Group
function organiseGroup(imgId) {

  // using the getFirstId to get the Group Id
  // it is impossible to ask user to type the Group Id because
  // the id is in binary and hard to be displayed by javascritp

  var groupId = getFirstId("Group");
  if(groupId == null) {
    alert("No Group exists!");
    return;
  }

  // using the getFirstId to get the Contact Id
  // it is impossible to ask user to type the Contact Id because
  // the id is in binary and hard to be displayed by javascritp

  var contactId = getFirstId("Contact");
  if(contactId == null) {
    alert("No contact exists!");
    return;
  }

  //"Associate"
  //"Disassociate"
  var msg = "Please enter the operation type ['Associate' or 'Disassociate']";
  var optype = prompt(msg, "Associate");
  if (optype == "" || optype == null)
    return;

  var groupdata = new Object();
  groupdata.id = groupId;
  groupdata.IdList = new Array();
  groupdata.IdList[0] = contactId;

  var criteria = new Object();
  criteria.Type = "Group";
  criteria.Data = groupdata;
  criteria.OperationType = optype;

  try {
    var result;
    if (!asyncMode &amp;&amp; !cancelMode) { // sync
      result = so.IDataSource.Organise(criteria);
      checkError("IDataSource::organiseGroup",result,DIV_ID,imgId);
    } else if (asyncMode &amp;&amp; !cancelMode) {// async
      // set the image id for callback6 function
      imgid_callback6 = imgId;
      result = so.IDataSource.Organise(criteria, callback6);
      if(!checkError("IDataSource::organiseGroupAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
      }
    } else if (cancelMode){ // cancel
      // set the image id for callback6 function
      imgid_callback6 = imgId;
      result = so.IDataSource.Organise(criteria, callback6);
      if(!checkError("IDataSource::cancelOrganiseGroupAsync",result,DIV_ID,imgId)) {
        showIMG(imgId,"");
        var criteria2 = new Object();
        criteria2.TransactionID = result.TransactionID;
        var result2 =so.IDataSource.Cancel(criteria2);
        checkError("IDataSource::cancelOrganiseGroupAsync",result2,DIV_ID,imgId);
      }
    }
  }
  catch (e) {
    showIMG(imgId,"no");
    alert ("organiseGroup: " + e);
  }
}

// This is the asynchronous callback handler
function callback1(transId, eventCode, result)
{
  console.info("addAsync: transId: %d  eventCode: %d result.ErrorCode: %d", transId, eventCode, result.ErrorCode);
  checkError("IDataSource::addAsync",result,DIV_ID,imgid_callback1);
}

// This is the asynchronous callback handler
function callback2(transId, eventCode, result)
{
  console.info("delAsync: transId: %d  eventCode: %d result.ErrorCode: %d", transId, eventCode, result.ErrorCode);
  checkError("IDataSource::delAsync",result,DIV_ID,imgid_callback2);
}

// This is the asynchronous callback handler
function callback3(transId, eventCode, result)
{
  console.info("getListAsync: transId: %d  eventCode: %d result.ErrorCode: %d", transId, eventCode, result.ErrorCode);
  if(!checkError("IDataSource::getListAsync",result,DIV_ID,imgid_callback3)) {
    document.getElementById(DIV_ID).innerHTML = showGroupList(result.ReturnValue);
  }
}

// This is the asynchronous callback handler
function callback4(transId, eventCode, result)
{
  console.info("importAsync: transId: %d  eventCode: %d result.ErrorCode: %d", transId, eventCode, result.ErrorCode);
  checkError("IDataSource::importAsync",result,DIV_ID,imgid_callback4);
}

// This is the asynchronous callback handler
function callback5(transId, eventCode, result)
{
  console.info("exportAsync: transId: %d  eventCode: %d result.ErrorCode: %d", transId, eventCode, result.ErrorCode);
  checkError("IDataSource::exportAsync",result,DIV_ID,imgid_callback5);
}

// This is the asynchronous callback handler
function callback6(transId, eventCode, result)
{
  console.info("organiseAsync: transId: %d  eventCode: %d result.ErrorCode: %d", transId, eventCode, result.ErrorCode);
  checkError("IDataSource::organiseAsync",result,DIV_ID,imgid_callback6);
}

// This is the asynchronous callback handler
function callback7(transId, eventCode, result)
{
  console.info("getListAsync: transId: %d  eventCode: %d result.ErrorCode: %d", transId, eventCode, result.ErrorCode);
  if(!checkError("IDataSource::getListAsync",result,DIV_ID,imgid_callback7)) {
    document.getElementById(DIV_ID).innerHTML = showContactList(result.ReturnValue);
  }
}</pre>
</div>
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