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<?php
/**
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_ProgressBar
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: ProgressBar.php 14176 2009-02-26 22:21:26Z dasprid $
 */

/**
 * Zend_ProgressBar offers an interface for multiple enviroments.
 *
 * @category  Zend
 * @package   Zend_ProgressBar
 * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_ProgressBar
{
    /**
     * Min value
     *
     * @var float
     */
    protected $_min;
    
    /**
     * Max value
     *
     * @var float
     */
    protected $_max;
    
    /**
     * Current value
     *
     * @var float
     */
    protected $_current;

/**
     * Start time of the progressbar, required for ETA
     *
     * @var integer
     */
    protected $_startTime;

/**
     * Current status text
     *
     * @var string
     */
    protected $_statusText = null;

/**
     * Adapter for the output
     *
     * @var Zend_ProgressBar_Adapter
     */
    protected $_adapter;
    
    /**
     * Namespace for keeping the progressbar persistent
     *
     * @var string
     */
    protected $_persistenceNamespace = null;
    
    /**
     * Create a new progressbar backend.
     *
     * @param  Zend_ProgressBar_Adapter $adapter
     * @param  float                    $min
     * @param  float                    $max
     * @param  string                   $persistenceNamespace
     * @throws Zend_ProgressBar_Exception When $min is greater than $max
     */
    public function __construct(Zend_ProgressBar_Adapter $adapter, $min = 0, $max = 100, $persistenceNamespace = null)
    {       
        // Check min/max values and set them
        if ($min > $max) {
            require_once 'Zend/ProgressBar/Exception.php';
            throw new Zend_ProgressBar_Exception('$max must be greater than $min');
        }
        
        $this->_min     = (float) $min;
        $this->_max     = (float) $max;
        $this->_current = (float) $min;
        
        // See if we have to open a session namespace
        if ($persistenceNamespace !== null) {
            require_once 'Zend/Session/Namespace.php';
            
            $this->_persistenceNamespace = new Zend_Session_Namespace($persistenceNamespace);
        }
        
        // Set adapter
        $this->_adapter = $adapter;

// Track the start time
        $this->_startTime = time();
        
        // See If a persistenceNamespace exists and handle accordingly
        if ($this->_persistenceNamespace !== null) {
            if (isset($this->_persistenceNamespace->isSet)) {
                $this->_startTime  = $this->_persistenceNamespace->startTime;
                $this->_current    = $this->_persistenceNamespace->current;
                $this->_statusText = $this->_persistenceNamespace->statusText;
            } else {
                $this->_persistenceNamespace->isSet      = true;
                $this->_persistenceNamespace->startTime  = $this->_startTime;
                $this->_persistenceNamespace->current    = $this->_current;
                $this->_persistenceNamespace->statusText = $this->_statusText;
            }
        } else {
            $this->update();
        }
    }
    
    /**
     * Get the current adapter
     *
     * @return Zend_ProgressBar_Adapter
     */
    public function getAdapter()
    {
        return $this->_adapter;
    }
    
    /**
     * Update the progressbar
     *
     * @param  float  $value
     * @param  string $text
     * @return void
     */
    public function update($value = null, $text = null)
    {
        // Update value if given
        if ($value !== null) {
            $this->_current = min($this->_max, max($this->_min, $value));
        }
        
        // Update text if given
        if ($text !== null) {
            $this->_statusText = $text;
        }

// See if we have to update a namespace
        if ($this->_persistenceNamespace !== null) {
            $this->_persistenceNamespace->current    = $this->_current;
            $this->_persistenceNamespace->statusText = $this->_statusText;
        }

// Calculate percent
        $percent = (float) ($this->_current - $this->_min) / ($this->_max - $this->_min);

// Calculate ETA
        $timeTaken = time() - $this->_startTime;
        
        if ($percent === .0) {
            $timeRemaining = null;
        } else {
            $timeRemaining = round(((1 / $percent) * $timeTaken) - $timeTaken);
        }
        
        // Poll the adapter
        $this->_adapter->notify($this->_current, $this->_max, $percent, $timeTaken, $timeRemaining, $this->_statusText);
    }
    
    /**
     * Update the progressbar to the next value
     *
     * @param  string $text
     * @return void
     */
    public function next($diff = 1, $text = null)
    {       
        $this->update(max($this->_min, min($this->_max, $this->_current + $diff)), $text);
    }
    
    /**
     * Call the adapters finish() behaviour
     *
     * @return void
     */
    public function finish()
    {
        if ($this->_persistenceNamespace !== null) {
            unset($this->_persistenceNamespace->isSet);
        }
        
        $this->_adapter->finish();
    }
}

Nama File / Folder	Size	Action
Acl	--	NONE
Amf	--	NONE
Auth	--	NONE
Cache	--	NONE
Captcha	--	NONE
Config	--	NONE
Console	--	NONE
Controller	--	NONE
Currency	--	NONE
Date	--	NONE
Db	--	NONE
Dojo	--	NONE
Dom	--	NONE
Feed	--	NONE
File	--	NONE
Filter	--	NONE
Form	--	NONE
Gdata	--	NONE
Http	--	NONE
InfoCard	--	NONE
Json	--	NONE
Layout	--	NONE
Ldap	--	NONE
Loader	--	NONE
Locale	--	NONE
Log	--	NONE
Mail	--	NONE
Measure	--	NONE
Memory	--	NONE
Mime	--	NONE
OpenId	--	NONE
Paginator	--	NONE
Pdf	--	NONE
ProgressBar	--	NONE
Request	--	NONE
Rest	--	NONE
Search	--	NONE
Server	--	NONE
Service	--	NONE
Session	--	NONE
Soap	--	NONE
Test	--	NONE
Text	--	NONE
TimeSync	--	NONE
Translate	--	NONE
Uri	--	NONE
Validate	--	NONE
View	--	NONE
Wildfire	--	NONE
XmlRpc	--	NONE
Acl.php	39.029KB	Edit File Delete File Rename
Auth.php	3.921KB	Edit File Delete File Rename
Cache.php	9.416KB	Edit File Delete File Rename
Config.php	11.354KB	Edit File Delete File Rename
Currency.php	19.899KB	Edit File Delete File Rename
Date.php	190.498KB	Edit File Delete File Rename
Db.php	9.291KB	Edit File Delete File Rename
Dojo.php	2.782KB	Edit File Delete File Rename
Feed.php	13.235KB	Edit File Delete File Rename
Filter.php	3.902KB	Edit File Delete File Rename
Form.php	84.447KB	Edit File Delete File Rename
InfoCard.php	17.044KB	Edit File Delete File Rename
Json.php	10.579KB	Edit File Delete File Rename
Layout.php	19.085KB	Edit File Delete File Rename
Ldap.php	26.124KB	Edit File Delete File Rename
Locale.php	34.308KB	Edit File Delete File Rename
Log.php	7.058KB	Edit File Delete File Rename
Mail.php	26.684KB	Edit File Delete File Rename
Mime.php	13.019KB	Edit File Delete File Rename
OpenId.php	26.522KB	Edit File Delete File Rename
Paginator.php	24.892KB	Edit File Delete File Rename
Pdf.php	30.007KB	Edit File Delete File Rename
ProgressBar.php	5.958KB	Edit File Delete File Rename
Registry.php	6.101KB	Edit File Delete File Rename
Session.php	26.264KB	Edit File Delete File Rename
Translate.php	4.985KB	Edit File Delete File Rename
Uri.php	5.466KB	Edit File Delete File Rename
Validate.php	5.31KB	Edit File Delete File Rename