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<!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"> <head> <meta name="robots" content="index,nofollow" /> <meta name="keywords" content"="HTML_Progress, HTML_QuickForm, http, upload, form, progress meter, logs" /> <meta name="description" content"="Upload and logs files from a web browser to a web server" /> <meta name="author" content="Laurent Laville" /> <title>PEAR::HTML::Progress example: Web-HTTP ProgressBar uploader</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link rel="stylesheet" href="../examples.css" /> </head> <body> <a name="top"> <p><a href="../index.html"><img src="../images/home.gif" alt="Examples TOC"/>examples</a></p> <h1><span class="chapter">Web-HTTP ProgressBar uploader </span></h1> <p align="right">$Date: 2005/07/25 11:43:56 $</p> <div class="toc"> Table of contents </div> <ul> <li><a href="#intro">Introduction<a> <li><a href="#render">Render options<a> <li><a href="#output">Ouput</a> <li><a href="#source">PHP source syntax highlight<a> <li><a href="#run">Play demo<a> </ul> <a name="intro"> <h2><img src="../images/info.gif"/> Introduction</h2> <p>This example requires : <ul> <li>PEAR::HTML_Progress 1.1 or better.</li> </ul> </p> <hr/> <p><b>This example allows you to upload files from a web browser to your web server and logs operations.</b></p> <p>PEAR::HTML_QuickForm package is used to make and manage the form that will send file to your web server (top frame), while HTML_Progress is only used to display a horizontal progress meter running in indeterminate mode (bottom frame).</p> <p>Be aware that your web server could returns a timeout on long upload operation, by running the HTML_Progress script (See technical notes below).</p> <p>To logs all file uploads, we used the observer pattern with HTML_Progress_Observer class. Results are written in a series of files 'http4_[iso date].log', where <i>iso date</i> corresponding to current date in format YYYY-MM-DD.</p> <p>[<a href="#top">Top</a>]</p> <h2><img src="../images/hands.gif"/> Technical notes </h2> <p>The script time-out refers to the number of seconds a PHP page is given before the script is assumed to have failed and the page terminated. If you are uploading a large file the script that is receiving the transfer may time out before the file has been completely uploaded. To alter this setting you should insert the following code into your uploading page prior to creating any HTML_Progress and HTML_QuickForm objects.</p> <table class="hl-table" width="100%"> <tr> <td class="hl-gutter" align="right" valign="top" style="width:4ex;"> 1 </td> <td class="hl-main" valign="top"> <span class="hl-inlinetags"><?php </span><span class="hl-identifier">set_time_limit</span><span class="hl-brackets">(</span><span class="hl-number">300</span><span class="hl-brackets">)</span><span class="hl-code">; </span><span class="hl-comment">// five minutes </span><span class="hl-inlinetags">?></span> </td> </tr> </table> <p>See also: <a target="_blank" href="http://www.php.net/manual/en/function.set-time-limit.php">set_time_limit</a> manual.</p> <p>[<a href="#top">Top</a>]</p> <a name="render"> <h2><img src="../images/config.gif"/> Render options </h2> <pre> increment = 10 (to make progress bar animation smoothest in indeterminate mode) </pre> <div class="fig">HTML_Progress::setIncrement()</div> <pre> speed = 100 (to make progress bar animation smoothest) </pre> <div class="fig">HTML_Progress::setAnimSpeed()</div> <pre> color = white with = 1px style = inset </pre> <div class="fig">HTML_Progress_UI::setBorderAttributes()</div> <pre> width = 60 font-size = 10 background-color = #C3C6C3 </pre> <div class="fig">HTML_Progress_UI::setStringAttributes()</div> <pre> active-color = #000084 inactive-color = #3A6EA5 width = 25 spacing = 0 background-image = download.gif </pre> <div class="fig">HTML_Progress_UI::setCellAttributes()</div> <p>[<a href="#top">Top</a>]</p> <a name="output"> <h2><img src="../images/image.gif"/> Output</h2> <h3>Screenshot </h3> <p><img src="../screenshots/upload_logs.png"/></p> <p>[<a href="#top">Top</a>]</p> <a name="source"> <h2><img src="../images/source.gif"/> PHP source syntax highlight</h2> <p><b>The form file selection:</b> <a target="_blank" href="../highlighter.php?file=./upload/formbasic.php">Open</a> source listing in a new window. </p> <p><b>The progress meter in indeterminate mode:</b> <a target="_blank" href="../highlighter.php?file=./upload/hbar.php">Open</a> source listing in a new window. </p> <p>[<a href="#top">Top</a>]</p> <a name="run"> <h2><img src="../images/run.gif"/> Play demo</h2> <p><a href="secure/logsupload.html">Run</a> the script.</p> <p>[<a href="#top">Top</a>]</p> </body> </html>