class.ilImageLinkButton.php

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

require_once "Services/UIComponent/Button/classes/class.ilLinkButton.php";

class ilImageLinkButton extends ilLinkButton
{
        protected $src; // [string]
        protected $force_title; // [bool]
        
        public static function getInstance()
        {
                return new self(self::TYPE_LINK);
        }
        
        
        //
        // properties
        //
        
        public function setImage($a_value, $a_is_internal = true)
        {
                if((bool)$a_is_internal)
                {
                        $a_value = ilUtil::getImagePath($a_value);
                }
                $this->src = trim($a_value);
        }
        
        public function getImage()
        {
                return $this->src;
        }
        
        public function forceTitle($a_value)
        {
                $this->force_title = (bool)$a_value;
        }
        
        public function hasForceTitle()
        {
                return $this->force_title;
        }
        
        
        //
        // render
        //
        
        protected function prepareRender()
        {               
                // get rid of parent "submit" css class...
        }
        
        protected function renderCaption()
        {               
                $attr = array();
                $attr["src"] = $this->getImage();
                $attr["alt"] = $this->getCaption();             
                if($this->hasForceTitle())
                {
                        $attr["title"] = $this->getCaption();   
                }
                return '<img'.$this->renderAttributesHelper($attr).' />';
        }       
}