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<?php
/**
* See http://pastebin.com/SarJ5mjP
* http://www.mail-archive.com/symfony-users@googlegroups.com/msg27122.html
*/
abstract class mySfTask extends sfBaseTask
{
private
$counter = 1,
$indicators = array('-', '\\', '|', '/');
/**
* Output a progress bar
*
* @param integer $current The current iteration, must always be 0 on first call
* @param integer $total Total number of iterations this progressbar will handle
* @param integer $size Width of the progress bar in characters
**/
public function progressBar($current=0, $total=100, $size=NULL)
{
if(is_null($size))
{
$size = (int) `tput cols`;
}
// Don't do anything if this isn't a commandline task or verbosity is off
if (is_null($this->commandApplication) || !$this->commandApplication->isVerbose())
{
return;
}
$perc = ($current/$total)*100;
// Show activity by cycling through the array of indicators on each iteration
$this->counter += $this->counter === count($this->indicators) ? -3 : 1;
$indicator = $this->indicators[$this->counter - 1];
// if it's not first iteration, remove the previous bar by outputting a
// backspace characters
if($current > 0) echo str_repeat("\x08", $size);
// generate progess bar
$progress = floor($current / $total * ($size - 11));
$soFar = str_repeat('=', $progress);
$remaining = str_repeat(' ', $size - 11 - $progress);
// prefix the bar with a (padded) percent progress and activity indicator
// and wrap it in square brackets, with a greater-than as the current
// position indicator
printf(" %s %3u%% [%s>%s]",$indicator,$perc,$soFar,$remaining);
// if it's the end, add a new line
if($current == $total)
{
echo "\n";
}
}
}
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