org.symbian.tools.wrttools.doc.WebDeveloper/html/GUID-AB8ECBA0-FD4B-4A2F-8199-40C7F7CD51AB.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


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<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="performTransition()"/><meta name="DC.Relation" scheme="URI" content="GUID-87B333A2-FDA1-4BC3-8803-C5702C5869A1"/><meta name="DC.Relation" scheme="URI" content="GUID-4AE77C0F-577E-4DC7-BC90-40A75C873404"/><meta name="DC.Relation" scheme="URI" content="GUID-7C69DDA4-16F1-4A8F-BDB2-4CB0015B4E81"/><meta name="DC.Relation" scheme="URI" content="GUID-6CD2776F-A868-4280-967F-4EB426212556"/><meta name="DC.Format" content="XHTML"/><meta name="DC.Identifier" content="GUID-AB8ECBA0-FD4B-4A2F-8199-40C7F7CD51AB"/><title>performTransition()  </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-AB8ECBA0-FD4B-4A2F-8199-40C7F7CD51AB">performTransition() </h1><div>
<p><strong>Description:</strong></p>
<p>The <code>performTransition</code> method operates as a screen update command, which tells the widget UI framework to update the widget screen. It performs the animation while the widget's view is being changed. Currently, only fading animation mode is supported.</p>
<p>The <code>performTransition</code> method is to be called together with the <a href="GUID-4AE77C0F-577E-4DC7-BC90-40A75C873404.html#GUID-4AE77C0F-577E-4DC7-BC90-40A75C873404"><code>prepareForTransition</code></a> method.</p>
<p><strong>Syntax:</strong></p>
<pre class="codeblock" id="GUID-1375494A-4316-48B3-9135-5157C1506253">[void] widget.performTransition(void) </pre>
<p>or</p>
<pre class="codeblock" id="GUID-0220F2B1-B8DE-439F-B597-BBFEC6915EFA">[void] window.widget.performTransition(void)</pre>
<p><strong>Arguments:</strong></p>
<p>This method does not take any arguments.</p>
<p><strong>Return value:</strong></p>
<p>This method does not return a value.</p>
<p><strong>Example code:</strong></p>
<p><em>Example HTML code</em>:</p>
<pre class="codeblock" id="GUID-72003A6C-9259-42B0-868C-1E1DB6A2852A">&lt;!-- Main view --&gt;
&lt;div id='main'&gt;
  Hello World!
  &lt;input type="button" value="Config" onclick="toMain(0);" /&gt;
&lt;/div&gt;
&lt;!-- Main view ends --&gt;
&lt;!-- Config view --&gt;
&lt;div id='config'&gt;
  Your world is my world!
  &lt;input type="button" value="Main" onclick="toMain(1);" /&gt;
&lt;/div&gt;
&lt;!-- Settings view ends --&gt;</pre>
<p><em>Example JavaScript code</em>:</p>
<pre class="codeblock" id="GUID-2E747FD8-E852-43E7-B038-72736855FB76">function toMain(main) {
  // preparing for Transition
  widget.prepareForTransition("fade");
  if (main) { // switching from config view to the main view
    // hide config view
    document.getElementById("config").style.display = 'none';
    // show main view
    document.getElementById("main").style.display = 'block';
    }
  else {  // switching from main view to config view
    // hide main view
    document.getElementById("main").style.display = 'none';
    // show config view
    document.getElementById("config").style.display = 'block';
    }
  // do the Transition to make the fade effect
  widget.performTransition();
}</pre>
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