html_helper.php

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<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 4.3.2 or newer
 *
 * @package             CodeIgniter
 * @author              ExpressionEngine Dev Team
 * @copyright   Copyright (c) 2006, EllisLab, Inc.
 * @license             http://codeigniter.com/user_guide/license.html
 * @link                http://codeigniter.com
 * @since               Version 1.0
 * @filesource
 */

// ------------------------------------------------------------------------

/**
 * CodeIgniter HTML Helpers
 *
 * @package             CodeIgniter
 * @subpackage  Helpers
 * @category    Helpers
 * @author              ExpressionEngine Dev Team
 * @link                http://codeigniter.com/user_guide/helpers/html_helper.html
 */

// ------------------------------------------------------------------------

/**
 * Heading
 *
 * Generates an HTML heading tag.  First param is the data.
 * Second param is the size of the heading tag.
 *
 * @access      public
 * @param       string
 * @param       integer
 * @return      string
 */     
if ( ! function_exists('heading'))
{
        function heading($data = '', $h = '1')
        {
                return "<h".$h.">".$data."</h".$h.">";
        }
}

// ------------------------------------------------------------------------

/**
 * Unordered List
 *
 * Generates an HTML unordered list from an single or multi-dimensional array.
 *
 * @access      public
 * @param       array
 * @param       mixed
 * @return      string
 */     
if ( ! function_exists('ul'))
{
        function ul($list, $attributes = '')
        {
                return _list('ul', $list, $attributes);
        }
}

// ------------------------------------------------------------------------

/**
 * Ordered List
 *
 * Generates an HTML ordered list from an single or multi-dimensional array.
 *
 * @access      public
 * @param       array
 * @param       mixed
 * @return      string
 */     
if ( ! function_exists('ol'))
{
        function ol($list, $attributes = '')
        {
                return _list('ol', $list, $attributes);
        }
}

// ------------------------------------------------------------------------

/**
 * Generates the list
 *
 * Generates an HTML ordered list from an single or multi-dimensional array.
 *
 * @access      private
 * @param       string
 * @param       mixed           
 * @param       mixed           
 * @param       intiger         
 * @return      string
 */     
if ( ! function_exists('_list'))
{
        function _list($type = 'ul', $list, $attributes = '', $depth = 0)
        {
                // If an array wasn't submitted there's nothing to do...
                if ( ! is_array($list))
                {
                        return $list;
                }
        
                // Set the indentation based on the depth
                $out = str_repeat(" ", $depth);
        
                // Were any attributes submitted?  If so generate a string
                if (is_array($attributes))
                {
                        $atts = '';
                        foreach ($attributes as $key => $val)
                        {
                                $atts .= ' ' . $key . '="' . $val . '"';
                        }
                        $attributes = $atts;
                }
        
                // Write the opening list tag
                $out .= "<".$type.$attributes.">\n";

                // Cycle through the list elements.  If an array is 
                // encountered we will recursively call _list()

                static $_last_list_item = '';
                foreach ($list as $key => $val)
                {       
                        $_last_list_item = $key;

                        $out .= str_repeat(" ", $depth + 2);
                        $out .= "<li>";
                
                        if ( ! is_array($val))
                        {
                                $out .= $val;
                        }
                        else
                        {
                                $out .= $_last_list_item."\n";
                                $out .= _list($type, $val, '', $depth + 4);
                                $out .= str_repeat(" ", $depth + 2);
                        }

                        $out .= "</li>\n";              
                }

                // Set the indentation for the closing tag
                $out .= str_repeat(" ", $depth);
        
                // Write the closing list tag
                $out .= "</".$type.">\n";

                return $out;
        }
}
        
// ------------------------------------------------------------------------

/**
 * Generates HTML BR tags based on number supplied
 *
 * @access      public
 * @param       integer
 * @return      string
 */     
if ( ! function_exists('br'))
{
        function br($num = 1)
        {
                return str_repeat("<br />", $num);
        }
}
        
// ------------------------------------------------------------------------

/**
 * Image
 *
 * Generates an <img /> element
 *
 * @access      public
 * @param       mixed
 * @return      string
 */     
if ( ! function_exists('img'))
{
        function img($src = '', $index_page = FALSE)
        {
                if ( ! is_array($src) )
                {
                        $src = array('src' => $src);
                }

                $img = '<img';
                
                foreach ($src as $k=>$v)
                {

                        if ($k == 'src' AND strpos($v, '://') === FALSE)
                        {
                                $CI =& get_instance();

                                if ($index_page === TRUE)
                                {
                                        $img .= ' src="'.$CI->config->site_url($v).'" ';
                                }
                                else
                                {
                                        $img .= ' src="'.$CI->config->slash_item('base_url').$v.'" ';
                                }
                        }
                        else
                        {
                                $img .= " $k=\"$v\" ";
                        }
                }

                $img .= '/>';

                return $img;
        }
}

// ------------------------------------------------------------------------

/**
 * Link
 *
 * Generates link to a CSS file
 *
 * @access      public
 * @param       mixed   stylesheet hrefs or an array
 * @param       string  rel
 * @param       string  type
 * @param       string  title
 * @param       string  media
 * @param       boolean should index_page be added to the css path 
 * @return      string
 */     
if ( ! function_exists('link_tag'))
{
        function link_tag($href = '', $rel = 'stylesheet', $type = 'text/css', $title = '', $media = '', $index_page = FALSE)
        {
                $CI =& get_instance();

                $link = '<link ';

                if (is_array($href))
                {
                        foreach ($href as $k=>$v)
                        {
                                if ($k == 'href' AND strpos($v, '://') === FALSE)
                                {
                                        if ($index_page === TRUE)
                                        {
                                                $link .= ' href="'.$CI->config->site_url($v).'" ';
                                        }
                                        else
                                        {
                                                $link .= ' href="'.$CI->config->slash_item('base_url').$v.'" ';
                                        }
                                }
                                else
                                {
                                        $link .= "$k=\"$v\" ";
                                }
                        }
                        
                        $link .= "/>\n";
                }
                else
                {
                        if ( strpos($href, '://') !== FALSE)
                        {
                                $link .= ' href="'.$href.'" ';
                        }
                        elseif ($index_page === TRUE)
                        {
                                $link .= ' href="'.$CI->config->site_url($href).'" ';
                        }
                        else
                        {
                                $link .= ' href="'.$CI->config->slash_item('base_url').$href.'" ';
                        }
                                
                        $link .= 'rel="'.$rel.'" type="'.$type.'" ';
                        
                        if ($media      != '')
                        {
                                $link .= 'media="'.$media.'" ';
                        }

                        if ($title      != '')
                        {
                                $link .= 'title="'.$title.'" ';
                        }
                        
                        $link .= '/>'."\n";
                }

        
                return $link;
        }
}

// ------------------------------------------------------------------------

/**
 * Generates meta tags from an array of key/values
 *
 * @access      public
 * @param       array
 * @return      string
 */     
if ( ! function_exists('meta'))
{
        function meta($meta = array(), $newline = "\n")
        {
                $str = '';
                foreach ($meta as $key => $val)
                {
                        $str .= '<meta http-equiv="'.$key.'" content="'.$val.'" />'.$newline;
                }

                return $str;
        }
}

// ------------------------------------------------------------------------

/**
 * Generates non-breaking space entities based on number supplied
 *
 * @access      public
 * @param       integer
 * @return      string
 */     
if ( ! function_exists('nbs'))
{
        function nbs($num = 1)
        {
                return str_repeat("&nbsp;", $num);
        }
}


/* End of file html_helper.php */
/* Location: ./system/helpers/html_helper.php */