IconTrait.php

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<?php

namespace Ajax\semantic\html\base\traits;

use Ajax\semantic\html\elements\HtmlIcon;
use Ajax\semantic\html\base\constants\Direction;


trait IconTrait {
    private $_hasIcon=false;

    abstract protected function addToPropertyCtrl($name, $value, $typeCtrl);
    abstract public function addContent($content,$before=false);

    public function addIcon($icon,$direction=Direction::LEFT){
        if($this->_hasIcon===false){
            $iconO=$icon;
            if(\is_string($icon)){
                $iconO=new HtmlIcon("icon-".$this->identifier, $icon);
            }
            $this->addToPropertyCtrl("class", $direction." icon", Direction::getConstantValues("icon"));
            $this->addContent($iconO,$direction===Direction::LEFT);
            $this->_hasIcon=true;
        }else{
            $iconO=$this->getIcon();
            $iconO->setIcon($icon);
            $this->addToPropertyCtrl("class", $direction." icon", Direction::getConstantValues("icon"));
        }
        return $iconO;
    }

    public function getIcon(){
        if(\is_array($this->content)){
            foreach ($this->content as $item){
                if($item instanceof HtmlIcon)
                    return $item;
            }
        }
    }
}