progress.setprogresshandler.pkg

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<?xml version="1.0" encoding="iso-8859-1" ?>
<!-- $Revision: 1.1 $ -->

<refentry id="{@id}">

 <refnamediv>
  <refname><function>HTML_Progress::setProgressHandler</function></refname>
  <refpurpose>sets the user callback of the progress meter</refpurpose>
 </refnamediv>

 <refsect1 id="{@id synopsis}">
  <title>Synopsis</title>
 <refsynopsisdiv>
  <funcsynopsis>
   <funcsynopsisinfo>
    require_once 'HTML/Progress.php'; 
   </funcsynopsisinfo>
   <funcprototype>
    <funcdef>void <function>HTML_Progress::setProgressHandler</function></funcdef>
    <paramdef>mixed <parameter>$handler</parameter></paramdef>
   </funcprototype>
  </funcsynopsis>
 </refsynopsisdiv>
 </refsect1>

 <refsect1 id="{@id description}">
  <title>Description</title>
  <para>
   This method defines the user process to execute while the progress meter is running.
  </para>
  <para>
   This user callback is called by {@tutorial progress.process.pkg} in
   the do-while loop of the {@tutorial progress.run.pkg} method.
  </para>
 </refsect1>

 <refsect1 id="{@id parameter}">
  <title>Parameter</title>
  <para>
   <variablelist>
    <varlistentry>
     <term>
      <type>mixed</type>
      <parameter>$handler</parameter>
     </term>
     <listitem>
      <para>
       a valid callback 
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 id="{@id throws}">
  <title>Throws</title>
  <para>
   <table frame="all">
    <title>Possible PEAR_Error values</title>
    <tgroup cols="4">
     <thead>
      <row>
       <entry>Error level</entry>
       <entry>Error code</entry>
       <entry>Error message</entry>
       <entry>Solution</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>warning</entry>
       <entry><constant>HTML_PROGRESS_ERROR_INVALID_CALLBACK</constant></entry>
       <entry>invalid callback, parameter #1 "<parameter>$handler</parameter>" expecting "(a valid callback)"</entry>
       <entry>Fixed the user-callback reference </entry>
      </row>
     </tbody>
    </tgroup>
   </table>
  </para>
 </refsect1>

 <refsect1 id="{@id note}">
  <title>Note</title>
  <simpara>
   ( HTML_Progress >= 1.2.0RC3 )
  </simpara>
  <para>
   <important>
    This function can not be called statically.
   </important>
  </para>
 </refsect1>

 <refsect1 id="{@id see}">
  <title>See</title>
  <para>
   {@tutorial progress.setanimspeed.pkg},
   {@tutorial progress.process.pkg},
   {@tutorial progress.sleep.pkg},
   {@tutorial progress.run.pkg}
  </para>
 </refsect1>

 <refsect1 id="{@id example}">
  <title>Example</title>
  <para>
   See example of {@tutorial progress.sleep.pkg}.
  </para>
 </refsect1>

</refentry>