<?php
/**
 * button.class.php
 * Created by Komma Mediadesign.
 * Author: mike
 * Date: 3/21/13
 */

class Button
{
    /*
     * @property string $_label
     * Button Label
     */
	private $_label;

    /*
     * @property string $_button
     * A button can be an "a-link" or an "input/submit" or an "input/button"
     */
	private $_type;

    /*
     * @property string $_name
     * Name is used in an input button.
     */
	private $_name;

    /*
     * @property string $_href
     * Url on an "a-link"
     */
	private $_href;

    /*
     * @property array $_classes
     * Class which are added to a button
     */
	private $_classes;

    /*
     * @property string $_id
     * An id which is added to the button
     */
	private $_id;
	
	public function __construct($options)
	{
		isset($options['type']) ? $this->_type = $options['type'] : $this->_type = 'submit';
		isset($options['label']) ? $this->_label = $options['label'] : $this->_label = 'button';
		isset($options['name']) ? $this->_name = $options['name'] : $this->_name = 'submit';
		isset($options['href']) ? $this->_href = $options['href'] : $this->_href = '#';

		$this->_classes = array();
		$this->_id = '';
	}

	/**
	* Adds classes to the button
	*
	* @access public
	* @param array
	* @return null
	*/
	public function addClasses($classes = NULL)
	{
		foreach($classes as $class){
			$this->_classes[] = $class;
		}
	}
	
	/**
	* Adds id to the button
	*
	* @access public
	* @param array
	* @return null
	*/
	public function addId($id = NULL)
	{
		if( ! empty($id))
		{
			$this->_id = $id;
		}
	}

	/**
	* Returns a string containing a submit button
	*
	* @access private
	* @param 
	* @return string
	*/
	private function createInputButton()
	{
		$str = '';
        $str .= '
        <div class="btn rounded ';
            if( ! empty($this->_classes))
            {
                foreach($this->_classes as $class)
                {
                    $str.= $class.' ';
                }
                $str = substr($str,0,-1);
            }
            $str .= '">';
            $str .= '<input type="'.$this->_type.'" name="'.$this->_name.'" value="'.$this->_label.'" ';

            if( ! empty($this->_id))
            {
                $str .= 'id="'.$this->_id.'" ';
            }
            $str .= '/>';

            $str .= '<span class="over"></span>
                     <span class="out"></span>
        </div>';
		return $str;
	}
	
	/**
	* Returns a string containing an <a> link
	*
	* @access private
	* @param 
	* @return string
	*/
	private function createLinkButton()
	{
		$str = '';
		$str .= '<a href="'.$this->_href.'" title="'.$this->_label.'" ';
		$str .= 'class="btn rounded ';
		if( ! empty($this->_classes))
		{
			foreach($this->_classes as $class)
			{
				$str.= $class.' ';
			}
			$str = substr($str,0,-1);
		}
		$str .= '" ';
		if( ! empty($this->_id))
		{
			$str .= '"'.$this->_id.'" ';
		}
		$str .= '>

		<span class="over">'.$this->_label.'</span>
		<span class="out">'.$this->_label.'</span>


		</a>';
		
		return $str;
	}
	
	/**
	* returns a string containing the button
	*
	* @access
	* @param
	* @return
	*/
	public function display($echo = TRUE)
	{
		$output = '';
		switch($this->_type)
		{
			case 'submit':
			case 'button':
				$output .= $this->createInputButton();
			break;
			case 'link':
				$output .= $this->createLinkButton();
			break;
		}
		if($echo)
		{
			echo $output;
		}
		else 
		{
			return $output;
		}
	}
	
}