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<?php
/**
* File containing the ezcConsoleProgressMonitor class.
*
* @package ConsoleTools
* @version 1.6.1
* @copyright Copyright (C) 2005-2010 eZ Systems AS. All rights reserved.
* @license http://ez.no/licenses/new_bsd New BSD License
* @filesource
*/
/**
* Printing structured status information on the console.
*
* <code>
* // Construction
* $status = new ezcConsoleProgressMonitor( new ezcConsoleOutput(), 42 );
*
* // Run statusbar
* foreach ( $files as $file )
* {
* $res = $file->upload();
* // Add a status-entry to be printed.
* $status->addEntry( 'UPLOAD', $file->path );
* // Result like " 2.5% UPLOAD /var/upload/test.png"
* }
* </code>
*
* @property ezcConsoleProgressMonitorOptions $options
* Contains the options for this class.
*
* @package ConsoleTools
* @version 1.6.1
* @mainclass
*/
class ezcConsoleProgressMonitor
{
/**
* Options
*
* @var ezcConsoleProgressMonitorOptions
*/
protected $options;
/**
* The ezcConsoleOutput object to use.
*
* @var ezcConsoleOutput
*/
protected $outputHandler;
/**
* Counter for the items already printed.
*
* @var int
*/
protected $counter = 0;
/**
* The number of entries to expect.
*
* @var int
*/
protected $max;
/**
* Creates a new progress monitor.
* The $outputHandler parameter will be used to display the progress
* monitor. $max is the number of monitor items to expect. $options can be
* used to define the behaviour of the monitor
* {@link ezcConsoleProgressMonitorOptions}.
*
* @param ezcConsoleOutput $outHandler Handler to utilize for output
* @param int $max Number of items to expect
* @param array(string=>string) $options Options.
*
* @see ezcConsoleProgressMonitor::$options
*/
public function __construct( ezcConsoleOutput $outHandler, $max, array $options = array() )
{
$this->outputHandler = $outHandler;
$this->max = $max;
$this->options = new ezcConsoleProgressMonitorOptions( $options );
}
/**
* Property read access.
*
* @param string $key Name of the property.
* @return mixed Value of the property or null.
*
* @throws ezcBasePropertyNotFoundException
* If the the desired property is not found.
*/
public function __get( $key )
{
switch ( $key )
{
case 'options':
return $this->options;
break;
}
throw new ezcBasePropertyNotFoundException( $key );
}
/**
* Property write access.
*
* @param string $propertyName Name of the property.
* @param mixed $val The value for the property.
*
* @throws ezcBaseValueException
* If a the value for the property options is not an instance of
* ezcConsoleProgressMonitorOptions.
* @return void
*/
public function __set( $propertyName, $val )
{
switch ( $propertyName )
{
case 'options':
if ( !( $val instanceof ezcConsoleProgressMonitorOptions ) )
{
throw new ezcBaseValueException( $propertyName, $val, 'instance of ezcConsoleProgressMonitorOptions' );
}
$this->options = $val;
return;
}
throw new ezcBasePropertyNotFoundException( $propertyName );
}
/**
* Property isset access.
*
* @param string $propertyName Name of the property.
* @return bool True is the property is set, otherwise false.
*/
public function __isset( $propertyName )
{
switch ( $propertyName )
{
case 'options':
return true;
}
return false;
}
/**
* Set new options.
* This method allows you to change the options of an progress monitor.
*
* @param ezcConsoleProgressMonitorOptions $options The options to set.
*
* @throws ezcBaseSettingNotFoundException
* If you tried to set a non-existent option value.
* @throws ezcBaseSettingValueException
* If the value is not valid for the desired option.
* @throws ezcBaseValueException
* If you submit neither an array nor an instance of
* ezcConsoleProgressMonitorOptions.
*/
public function setOptions( $options )
{
if ( is_array( $options ) )
{
$this->options->merge( $options );
}
else if ( $options instanceof ezcConsoleProgressMonitorOptions )
{
$this->options = $options;
}
else
{
throw new ezcBaseValueException( "options", $options, "instance of ezcConsoleProgressMonitorOptions" );
}
}
/**
* Returns the currently set options.
* Returns the currently set option array.
*
* @return ezcConsoleProgressMonitorOptions The options.
*/
public function getOptions()
{
return $this->options;
}
/**
* Print a status entry.
* Prints a new status entry to the console and updates the internal counter.
*
* @param string $tag The tag to print (second argument in the
* formatString).
* @param string $data The data to be printed in the status entry (third
* argument in the format string).
* @return void
*/
public function addEntry( $tag, $data )
{
$this->counter++;
$percentage = $this->counter / $this->max * 100;
$this->outputHandler->outputLine(
sprintf(
$this->options['formatString'],
$percentage,
$tag,
$data
)
);
}
}
?>
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