org.symbian.tools.wrttools.doc.WebDeveloper/html/GUID-11D59F76-EC4C-4297-B262-D5174E826B43.html
author Eugene Ostroukhov <eugeneo@symbian.org>
Thu, 18 Mar 2010 16:21:12 -0700
changeset 277 7cca3bcacbc1
parent 229 716254ccbcc0
permissions -rw-r--r--
Bug 2303 - Wrong information in web inspector pop-up


<!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="Landmarks Service API example"/><meta name="DC.Relation" scheme="URI" content="GUID-4ECCCBED-DE6D-4366-B037-90E874C4DF5C"/><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-B8845FF1-D7F6-476A-8651-8B9C12D8789F"/><meta name="DC.Format" content="XHTML"/><meta name="DC.Identifier" content="GUID-11D59F76-EC4C-4297-B262-D5174E826B43"/><title>Landmarks 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-11D59F76-EC4C-4297-B262-D5174E826B43">Landmarks Service API example</h1><div>
<p/>
<p>This section presents the full source code of a working sample widget
for the <a href="GUID-D581028C-06ED-422D-866E-AE6C93075084.html#GUID-D581028C-06ED-422D-866E-AE6C93075084">Landmarks 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>
<div><h3>Info.plist</h3>
<pre class="codeblock" id="GUID-0099622C-7424-4D2C-95E5-759BB81D32E8">&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;LandmarksSample&lt;/string&gt;
    &lt;key&gt;Identifier&lt;/key&gt;
    &lt;string&gt;com.nokia.widget.sapi.landmarks.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;landmarks-sample.html&lt;/string&gt;
&lt;/dict&gt;
&lt;/plist&gt;</pre>
</div>
<div><h3>landmarks-sample.html</h3>
<pre class="codeblock" id="GUID-31B02315-A86A-4061-822B-7F3C4F96133C">&lt;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"&gt;
&lt;html&gt;
&lt;head&gt;
    &lt;meta http-equiv="content-type" content="text/html; charset=utf-8"&gt;
    &lt;script type="text/javascript" src="js/landmarks-sample.js" charset="utf-8"&gt;&lt;/script&gt;
    &lt;script type="text/javascript" src="js/common.js" charset="utf-8"&gt;&lt;/script&gt;
&lt;/head&gt;
&lt;body onload='setup()' bgcolor="#ddeeff"&gt;
    &lt;form&gt;
        &lt;h3&gt;Landmarks Service API Sample Widget&lt;/h3&gt;
        &lt;input type="button" onclick="addCategory('img1');" value="AddCategory"&gt;&lt;img id="img1" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
        &lt;input type="button" onclick="addLandmark('img2')" value="AddLandmark"&gt;&lt;img id="img2" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
        &lt;input type="button" onclick="getListDatabases('img3')" value="GetListDatabases"&gt;&lt;img id="img3" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
        &lt;input type="button" onclick="getListCategories('img4')" value="GetListCategoriesSync"&gt;&lt;img id="img4" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
        &lt;input type="button" onclick="getListCategoriesAsync('img5')" value="GetListCategoriesAsync"&gt;&lt;img id="img5" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
        &lt;input type="button" onclick="getListLandmarks('img6')" value="GetListLandmarksSync"&gt;&lt;img id="img6" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
        &lt;input type="button" onclick="getListLandmarksAsync('img7')" value="GetListLandmarksAsync"&gt;&lt;img id="img7" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
        &lt;input type="button" onclick="cancelCategoriesAsync('img8')" value="CancelCategoriesAsync"&gt;&lt;img id="img8" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
        &lt;input type="button" onclick="cancelLandmarksAsync('img9')" value="CancelLandmarksAsync"&gt;&lt;img id="img9" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
        &lt;input type="button" onclick="deleteCategory('img10')" value="DeleteCategory"&gt;&lt;img id="img10" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
        &lt;input type="button" onclick="deleteLandmark('img11')" value="DeleteLandMark"&gt;&lt;img id="img11" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
        &lt;input type="button" onclick="exportLandmarks('img12')" value="ExportLandmarks"&gt;&lt;img id="img12" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
        &lt;input type="button" onclick="importLandmarks('img13')" value="ImportLandmarks"&gt;&lt;img id="img13" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;br&gt;
        &lt;input type="button" onclick="organiseLandmarks('img14')" value="OrganiseLandmarks"&gt;&lt;img id="img14" src="pic/blank.png" width="25" height="25" align="center"&gt;&lt;hr&gt;
        &lt;div class='landmarks' id='landmarks' 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-A5CDC8EA-E226-45B8-8B09-4DA079530315">// 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>landmarks-sample.js</h3>
<pre class="codeblock" id="GUID-628E92C0-DDF4-440E-9F6B-7593E8CCC1B5">// landmarks-sample.js
//
// In this sample Categories will be added, deleted, and listed from default database,
// Landmarks will be imported, exported, added, deleted, and listed from sample database
// 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;

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

// imgid for callback1 function
var imgid_callback1;

// imgid for callback2 function
var imgid_callback2;

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

// Add new Category
// Note: Category with the CategoryName can not be added twice.
// So, you should delete just added category first and add category after that
function addCategory(imgId)
{
  // Setup input params using dot syntax
  var category = new Object();
  category.CategoryName = 'MyCategory';
  var criteria = new Object();
  criteria.Type = 'Category';
  criteria.Data = category;
  try
  {
    var resultList = so.IDataSource.Add(criteria);
    checkError("IDataSource::addCategory",resultList,DIV_ID,imgId);
  }
  catch(e)
  {
    showIMG(imgId,"no");
    alert ("addCategory: " + e);
  }
}

// Populate a Landmark Object with sample data
function populateLandmark(landmark)
{
  var landmarkfields = new Object();
  landmarkfields.Country = 'USA';
  landmarkfields.AreaCode = '01803';
  landmarkfields.City = 'Boston';
  landmarkfields.District = 'Dist';
  landmarkfields.Street = 'Wayside Rd';
  landmarkfields.Telephone = '781-993-9393';

  landmark.DatabaseURI      = 'file://c:eposlm.ldb';
  landmark.LandmarkName     = 'NewLandmark';
  landmark.LandmarkDesc     = 'My Landmark';
  landmark.LandmarkFields   = landmarkfields;
}

// Add new Landmark (sync operation)
function addLandmark(imgId)
{
  // Setup input params using dot syntax
  var criteria = new Object();
  criteria.Type = 'Landmark';

  try
  {
    var lm = so.IDataSource.New( criteria );
    populateLandmark(lm);
    var criteria1 = new Object();
    criteria1.Type = 'Landmark';
    criteria1.Data = lm;
    var resultList = so.IDataSource.Add(criteria1);
    checkError("IDataSource::addLandmark",resultList,DIV_ID,imgId);
  }
  catch(e)
  {
    showIMG(imgId,"no");
    alert ("addLandmark: " + e);
  }
}


// Get List of all Databases (sync operation)
function getListDatabases(imgId)
{
  // Setup input params using dot syntax
  var criteria = new Object();
  criteria.Type = 'Database';
  try
  {
    var resultList = so.IDataSource.GetList(criteria);
    if(!checkError("IDataSource::getListDatabases",resultList,DIV_ID,imgId)) {
      document.getElementById(DIV_ID).innerHTML = showIterableList(resultList.ReturnValue);
    }
  }
  catch(e)
  {
    showIMG(imgId,"no");
    alert ("getListDatabases: " + e);
  }
}

// Get List of all Categories (sync operation)
function getListCategories(imgId)
{
  // Setup input params using dot syntax
  var criteria = new Object();
  criteria.Type = 'Category';
  try
  {
    var resultList = so.IDataSource.GetList(criteria);
    if(!checkError("IDataSource::getListCategories",resultList,DIV_ID,imgId)) {
      document.getElementById(DIV_ID).innerHTML = showIterableList(resultList.ReturnValue);
    }
  }
  catch(e)
  {
    showIMG(imgId,"no");
    alert ("getListCategories: " + e);
  }
}

// Get List of all Categories (Async operation)
function getListCategoriesAsync(imgId)
{
  // Setup input params using dot syntax
  var criteria = new Object();
  criteria.Type = 'Category';
  try
  {
    imgid_callback1 = imgId;
    var resultList = so.IDataSource.GetList(criteria, callback1);
    if(!checkError("IDataSource::getListCategoriesAsync",resultList,DIV_ID,imgId))
      showIMG(imgId, "");
  }
  catch(e)
  {
    showIMG(imgId,"no");
    alert ("addCategory: " + e);
  }
}

// Get List of Landmarks (sync operation)
function getListLandmarks(imgId)
{
  var sort = new Object();
  sort.Key = 'LandmarkName';
  sort.Order = 'Descending';
  var criteria = new Object();
  criteria.Type = 'Landmark';
  criteria.Sort = sort;
  try
  {
    var resultList = so.IDataSource.GetList(criteria);
    if(!checkError("IDataSource::getListLandmarks",resultList,DIV_ID,imgId)) {
      document.getElementById(DIV_ID).innerHTML = showIterableList(resultList.ReturnValue);
    }
  }
  catch(e)
  {
    showIMG(imgId,"no");
    alert ("getListLandmarks: " + e);
  }
}

// Get List of Landmarks (Async operation)
function getListLandmarksAsync(imgId)
{
  var sort = new Object();
  sort.Key = 'LandmarkName';
  sort.Order = 'Descending';
  var criteria = new Object();
  criteria.Type = 'Landmark';
  criteria.Sort = sort;
  try
  {
    imgid_callback2 = imgId;
    var resultList = so.IDataSource.GetList(criteria, callback2);
    if(!checkError("IDataSource::getListLandmarksAsync",resultList,DIV_ID,imgId))
      showIMG(imgId, "");
  }
  catch(e)
  {
    showIMG(imgId,"no");
    alert ("getListLandmarksAsync: " + e);
  }
}

// cancel get categories
function cancelCategoriesAsync(imgId)
{
  // Setup input params using dot syntax
  var criteria = new Object();
  criteria.Type = 'Category';
  try
  {
    imgid_callback1 = imgId;
    var resultList = so.IDataSource.GetList(criteria, callback1);
    if(!checkError("IDataSource::cancelCategoriesAsync",resultList,DIV_ID,imgId)) {
      showIMG(imgId, "");
      var criteria2 = new Object();
      criteria2.TransactionID = resultList.TransactionID;
      var resultList2 = so.IDataSource.Cancel(criteria2);
      checkError("IDataSource::cancelCategoriesAsync",resultList2,DIV_ID,imgId);
    }
  }
  catch(e)
  {
    showIMG(imgId,"no");
    alert ("cancelCategoriesAsync: " + e);
  }
}

// cancel get landmarks
function cancelLandmarksAsync(imgId)
{
  var sort = new Object();
  sort.Key = 'LandmarkName';
  sort.Order = 'Descending';
  var criteria = new Object();
  criteria.Type = 'Landmark';
  criteria.Sort = sort;
  try
  {
    imgid_callback2 = imgId;
    var resultList = so.IDataSource.GetList(criteria, callback2);
    if(!checkError("IDataSource::cancelLandmarksAsync",resultList,DIV_ID,imgId)) {
      showIMG(imgId, "");
      var criteria2 = new Object();
      criteria2.TransactionID = resultList.TransactionID;
      var resultList2 = so.IDataSource.Cancel(criteria2);
      checkError("IDataSource::cancelLandmarksAsync",resultList2,DIV_ID,imgId);
    }
  }
  catch(e)
  {
    showIMG(imgId,"no");
    alert ("cancelLandmarksAsync: " + e);
  }
}

// Delete one Category (sync operation)
function deleteCategory(imgId)
{
  var landmarkIdStr = prompt("Please type the landmark id", "0");
  if(landmarkIdStr == "" || landmarkIdStr == null)
    return;

  // Setup input params using dot syntax
  var data = new Object();
  data.id = parseInt(landmarkIdStr);
  var criteria = new Object();
  criteria.Type = 'Category';
  criteria.Data = data;
  try
  {
    var resultList = so.IDataSource.Delete(criteria);
    checkError("IDataSource::deleteCategory",resultList,DIV_ID,imgId);
  }
  catch(e)
  {
    showIMG(imgId,"no");
    alert ("deleteCategory: " + e);
  }
}

// Delete one Landmark (sync operation)
function deleteLandmark(imgId)
{
  var landmarkIdStr = prompt("Please type the landmark id", "0");
  if(landmarkIdStr == "" || landmarkIdStr == null)
    return;

  // Setup input params using dot syntax
  var data = new Object();
  data.id = parseInt(landmarkIdStr);
  var criteria = new Object();
  criteria.Type = 'Landmark';
  criteria.Data = data;
  try
  {
    var resultList = so.IDataSource.Delete(criteria);
    checkError("IDataSource::deleteLandmark",resultList,DIV_ID,imgId);
  }
  catch(e)
  {
    showIMG(imgId,"no");
    alert ("deleteLandmark: " + e);
  }
}

// Export specific Landmarks to xml file (sync operation)
// When we export file already exist it returns an errorCode !!!
function exportLandmarks(imgId)
{
  // Setup input params using dot syntax
  var data = new Object();
  data.DestinationFile = 'landmarks-export.xml';
  data.MimeType = 'application/vnd.nokia.landmarkcollection+xml';
  data.IdList = [ "3", "4" ];
  var criteria = new Object();
  criteria.Type = 'Landmark';
  criteria.Data = data;
  try
  {
    var resultList = so.IDataSource.Export(criteria);
    checkError("IDataSource::exportLandmarks",resultList,DIV_ID,imgId);
  }
  catch(e)
  {
    showIMG(imgId,"no");
    alert ("exportLandmarks: " + e);
  }
}

// Import Landmarks from xml file (sync operation)
function importLandmarks(imgId)
{
  // Setup input params using dot syntax
  var data = new Object();
  data.SourceFile = 'landmarks-export.xml';
  data.MimeType = 'application/vnd.nokia.landmarkcollection+xml';
  var criteria = new Object();
  criteria.Type = 'Landmark';
  criteria.Data = data;
  try
  {
    var resultList = so.IDataSource.Import(criteria);
    checkError("IDataSource::importLandmarks",resultList,DIV_ID,imgId);
  }
  catch(e)
  {
    showIMG(imgId,"no");
    alert ("importLandmarks: " + e);
  }
}

// Organise Landmarks with entered ladmark id (sync operation)
function organiseLandmarks(imgId)
{
  // Setup input params using dot syntax
  var landmarkIdStr = prompt("Please type the landmark id", "0");
  if(landmarkIdStr == "" || landmarkIdStr == null)
    return;

  var data = new Object();
  data.id = parseInt(landmarkIdStr);
  data.IdList = [ "3", "4" ];
  var criteria = new Object();
  criteria.Type = 'Landmark';
  criteria.Data = data;
  criteria.OperationType = 'Associate';
  try
  {
    var resultList = so.IDataSource.Organise(criteria);
    checkError("IDataSource::organiseLandmarks",resultList,DIV_ID,imgId);
  }
  catch(e)
  {
    showIMG(imgId,"no");
    alert ("organiseLandmarks: " + e);
  }
}

// This is the asynchronous callback handler
function callback1(transId, eventCode, result)
{
  console.info("callback1: transId: %d  eventCode: %d result.ErrorCode: %d", transId, eventCode, result.ErrorCode);
  if(!checkError("IDataSource::getListCategoriesAsync",result,DIV_ID,imgid_callback1)) {
    document.getElementById(DIV_ID).innerHTML = showIterableList(result.ReturnValue);
  }
}

// This is the asynchronous callback handler
function callback2(transId, eventCode, result)
{
  console.info("callback2: transId: %d  eventCode: %d result.ErrorCode: %d", transId, eventCode, result.ErrorCode);
  if(!checkError("IDataSource::getListLandmarksAsync",result,DIV_ID,imgid_callback2)) {
    document.getElementById(DIV_ID).innerHTML = showIterableList(result.ReturnValue);
  }
}</pre>
</div>
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