class.ilProgressBar.php

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<?php
/* Copyright (c) 1998-2012 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilProgressBar
{
        protected $min; // [int]
        protected $max; // [int]
        protected $current; // [int]
        protected $show_caption; // [bool]
        protected $type; // [int]
        protected $caption; // [text]
        protected $striped; // [bool]
        protected $animated; // [bool]
        
        const TYPE_INFO = 1;
        const TYPE_SUCCESS = 2;
        const TYPE_WARNING = 3;
        const TYPE_DANGER = 4;
        
        protected function __construct()
        {
                $this->setMin(0);
                $this->setMax(100);
                $this->setShowCaption(true);
                $this->setType(self::TYPE_INFO);        
                $this->setStriped(true);
        }
        
        public static function getInstance()
        {
                return new self();
        }
        
        
        //
        // properties
        //
        
        protected function setType($a_value)
        {
                $valid = array(
                        self::TYPE_INFO
                        ,self::TYPE_SUCCESS
                        ,self::TYPE_WARNING
                        ,self::TYPE_DANGER                              
                );
                if(in_array($a_value, $valid))
                {
                        $this->type = $a_value;
                }
        }
        
        public function setMin($a_value)
        {
                $this->min = abs((int)$a_value);
        }
        
        public function setMax($a_value)
        {
                $this->max = abs((int)$a_value);
        }
        
        public function setCaption($a_value)
        {
                $this->caption = trim($a_value);
        }
        
        public function setShowCaption($a_value)
        {
                $this->show_caption = (bool)$a_value;
        }
        
        public function setStriped($a_value)
        {
                $this->striped = (bool)$a_value;
        }
        
        public function setAnimated($a_value)
        {
                $this->animated = (bool)$a_value;
        }
        
        public function setCurrent($a_value)
        {
                $this->current = abs($a_value);
        }
        
        
        //
        // presentation
        //
        
        public function render()
        {
                $tpl = new ilTemplate("tpl.il_progress.html", true, true, "Services/UIComponent/ProgressBar");
                
                $tpl->setVariable("MIN", $this->min);
                $tpl->setVariable("MAX", $this->max);
                $tpl->setVariable("CURRENT_INT", round($this->current));
                $tpl->setVariable("CURRENT", round($this->current));
                $tpl->setVariable("CAPTION", $this->caption);
                
                $map = array(
                        self::TYPE_INFO => "info"
                        ,self::TYPE_SUCCESS => "success"
                        ,self::TYPE_WARNING => "warning"
                        ,self::TYPE_DANGER => "danger"
                );
                $css = array("progress-bar-".$map[$this->type]);
                
                if($this->striped)
                {
                        $css[] = "progress-bar-striped";
                }
                
                if($this->animated)
                {
                        $css[] = "active";                      
                }
                
                $tpl->setVariable("CSS", implode(" ", $css));
                
                if(!$this->show_caption)
                {
                        $tpl->touchBlock("hide_caption_in_bl");
                        $tpl->touchBlock("hide_caption_out_bl");
                }
                
                return $tpl->get();
        }
}