<?php

/*
Title: Apinstall 0.0.6
Author: Pawel 'Pavlus' Janisio
Source: http://code.google.com/p/apinstall/
License: GPLv3
*/

class Installer
{

public $steps = 0;
public $logData = NULL;
public $path = '';
public $logFileName = '';
public $printFileName = '';


public function __construct($jquery = NULL)
	{
	//we need to do this in case of windows users and usleep function
	set_time_limit(0);
	
	//generate random number printfile name
	$this->printFileName = sha1($_SERVER['REMOTE_ADDR'].$_SERVER['HTTP_USER_AGENT']).'.php';

	//include css file
	echo '<link href="bar.css" rel="stylesheet" type="text/css" />'; 
		
		//include google jQuery libraries
		if(!isset($jquery)){
		echo '<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.js"></script>';
			}
			else if ($jquery == TRUE)
			{
			//echo 'Warning: jQuery libraries are not included!';
			}
		
		

		//include jQuery javascript
		
		echo "<script type='text/javascript'>


		function refresh(){
		$('#apisubmit').fadeOut('slow');
		var intID = setInterval(function() {

		$.ajax({
		type: 'GET',
		url: '".$this->printFileName."',
		cache: false,
		success: function(){

      $('#apinstall').load('".$this->printFileName."?randval='+ Math.random());
	
							},
	error : function (xhr, d, e) {
      if (xhr.status == 404) {
        clearInterval(intID);
		$('#apinstall').fadeOut('slow');
      }
    }
 });

 	}, 200);
		}
			$(document).ready(function() {
  $('#apiform').submit(function() {
    refresh();
  });
 
});

		</script>";
		}
	


public function setLogPath($path)
	{
	$this->path = $path.'/'.$this->logFileName = sha1($_SERVER['HTTP_USER_AGENT'].$_SERVER['REMOTE_ADDR']).'.log';
	return $this->path;


	}

public function setSteps($count)
	{
	$this->steps = $count;
	return $this->steps;
	}

	public function showSteps()
	{

		return $this->steps;
	}

	public function placeholder($iframeName = NULL)
	{

		if(isset($iframeName))
			$this->iframe = $iframeName;
				else
					$this->iframe = 'progressFrame';


	//load progressbar div and iframe needed by chrome and safari
	echo '<iframe style="display: none;" name="'.$this->iframe.'"></iframe>';
		echo '<div id="apinstall"></div>';


	}

	public function defineBar($barColour = NULL, $textColour = NULL)
	{


		if(isset($barColour))
			$this->colour = $barColour;
				else $this->colour = '#84AEBE'; 

				if(isset($textColour))
					$this->colour = $textColour;
						else $this->colour = '#84AEBE';


	
	
	$fp = fopen($this->printFileName, "a+"); 
	$data = '<?php

$steps = '.$this->steps.';
$lines = count(file("'.$this->path.'"));

$width = round(($lines/'.$this->steps.')*100,1);
?>

<div class="meter-wrap">
    <div class="meter-value" style="background-color: '.$this->colour.'; width: <?php echo $width; ?>%;">
        <div class="meter-text">
		<?php echo $width; ?> %
        </div>
    </div>
</div>

<?php

$f = file("'.$this->path.'");
?>
<div class="output-text" style="color: '.$this->colour.'">
<?php
echo $f[$lines - 1]."
</div>"
?>';

	$fw = fwrite($fp, $data);  //save
	fclose($fp);


	}

public function delay($sec)
	{
	$this->sleepTime = abs($sec);

    if ($this->sleepTime < 1)
       return usleep($this->sleepTime*1000000); 
    else
       return sleep($this->sleepTime);

	}



public function save($output)
	{
$this->logData = $output;

$fp = fopen($this->path, "a+"); 
	$fw = fwrite($fp, $this->logData."\r\n");  //save
		fclose($fp);
			$this->steps++;

	}

	public function clearTemp($delete = NULL)
	{
		if($delete == TRUE)
		{
			//delete files
		unlink($this->path);
		unlink($this->printFileName);
		}
		else
		{
		//clear temporary files made by our script
		file_put_contents($this->path, ''); 
		file_put_contents($this->printFileName, '');
		}


	}


	public function __destruct()
	{
		
		//unset all variables defined by class
			if(isset($this->logData))
		{
				
			unset($this->steps);
			unset($this->logData);
			unset($this->path);
			unset($this->logFileName);
			unset($this->printFileName);
		}


	}
	
}