<?php

/*

	Button Class
	
	Creates and displays a button

*/

class Button
{

	private $_label;
	private $_type;
	private $_name;
	private $_href;
	
	private $_classes;
	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 = '';
		$str .= '<input type="'.$this->_type.'" name="'.$this->_name.'" value="'.$this->_label.'" ';
		$str .= 'class="rounded ';
		if( ! empty($this->_classes))
		{
			foreach($this->_classes as $class)
			{
				$str.= $class.' ';
			}
			$str = substr($str,0,-1);
		}
		$str .= '" ';
		if( ! empty($this->_id))
		{
			$str .= 'id="'.$this->_id.'" ';
		}
		$str .= '/>';
		
		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.'" ';
		}
		$str .= '>'.$this->_label.'</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;
		}
	}
	
}