82 lines
1.9 KiB
PHP
82 lines
1.9 KiB
PHP
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<?php
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/**
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* Progress Bar
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*
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* @package Nc
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*/
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class NcProgressBar extends NcWindow {
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/**
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* @var float Maximum value
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*/
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var $max;
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/**
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* @var float Current value
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*/
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var $value;
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/**
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* @var boolean Show percentage
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*/
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var $show_pct;
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/**
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* Constructor
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*
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* Creates a new progress bar widget
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*
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* @param NcWindow $parent Parent window
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* @param integer $width Width
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* @param integer $y Row
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* @param integer $x Column
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* @param float $max Maximum value
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* @param boolean $show_pct Display the percentage alongside the progress bar
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*/
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public function __construct( &$parent, $width, $y, $x, $max = 100, $show_pct = true ) {
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parent::__construct( $parent, 1, $width, $y, $x, false );
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$this->enabled = false; // Cannot accept focus
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$this->max = $max;
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$this->show_pct = $show_pct;
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$this->pos( 0 );
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}
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/**
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* Set or get the current value
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*
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* @param float $value New value
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* @return float Current value
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*/
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public function pos( $value = false ) {
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if( $value === false ) {
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return $this->value;
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} else {
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$value = $value > $this->max ? $this->max : $value;
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$this->value = $value;
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$this->write( 0, 0, '[', false );
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$width = $this->width - ( $this->show_pct ? 7 : 2 );
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$width = $width >= 0 ? $width : 0;
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$complete = floor( $width * $value / $this->max );
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$this->write( 0, 1, str_repeat( '#', $complete ), false );
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$this->write( 0, 1 + $complete, str_repeat( ' ', $width - $complete ), false );
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$this->write( 0, $width + 1, ']', false );
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if( $this->show_pct ) {
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$this->write( 0, $width + 3, sprintf( '%3d%%', floor( $value / $this->max * 100 ) ), false );
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}
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ncurses_update_panels();
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ncurses_doupdate();
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}
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}
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/**
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* Get or set maximum value
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*
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* @param float $value New maximum
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* @return float Current maximum
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*/
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public function max( $value = false ) {
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if( $value === false ) {
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return $this->max;
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} else {
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$this->max = $value > 0 ? $value : $this->max;
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$this->pos( $this->value );
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}
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}
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}
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?>
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