Add library and config files

Author: richarddavey

README.md

@@ -0,0 +1,9 @@
+# CodeIgniter-Layout
+
+CodeIgniter-Breadcrumb is a library that helps your build HTML breadcrumbs with CodeIgniter.
+
+
+## Requirements
+
+1. PHP 5.1+
+2. CodeIgniter 1.6.x - 2.0-dev

config/breadcrumb.php

@@ -0,0 +1,20 @@
+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/*
+| -------------------------------------------------------------------
+| BREADCRUMB CONFIG
+| -------------------------------------------------------------------
+| This file will contain the settings needed to load the breadbrumb.
+|
+| -------------------------------------------------------------------
+| EXPLANATION OF VARIABLES
+| -------------------------------------------------------------------
+|
+|	['divider']		The string used to divide the crumbs
+|	['tag_open'] 	The opening tag placed on the left side of the breadcrumb.
+|   ['tag_close'] 	The closing tag placed on the right side of the breadcrumb.
+|
+*/
+
+
+/* End of file breadcrumb.php */
+/* Location: ./application/config/breadcrumb.php */

libraries/Breadcrumb.php

@@ -0,0 +1,150 @@
+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Breadcrumb Class
+ *
+ * This class manages the breadcrumb object
+ *
+ * @author 		Richard Davey <info@richarddavey.com>
+ * @copyright 	Copyright (c) 2011, Richard Davey
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @link		https://github.com/richarddavey/codeigniter-breadcrumb
+ */
+class Breadcrumb {
+	
+	/**
+	 * Breadcrumbs stack
+	 *
+     */
+	private $breadcrumbs 	= array();
+	
+	/**
+	 * Options
+	 *
+	 */
+	private $divider 		= '&nbsp;&#8250;&nbsp;';
+	private $tag_open 		= '<div id="breadcrumb">';
+	private $tag_close 		= '</div>';
+	
+	/**
+	 * Constructor
+	 *
+	 * @access	public
+	 * @param	array	initialization parameters
+	 */
+	public function __construct($params = array())
+	{
+		if (count($params) > 0)
+		{
+			$this->initialize($params);
+		}
+		
+		log_message('debug', "Breadcrumb Class Initialized");
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Initialize Preferences
+	 *
+	 * @access	public
+	 * @param	array	initialization parameters
+	 * @return	void
+	 */
+	private function initialize($params = array())
+	{
+		if (count($params) > 0)
+		{
+			foreach ($params as $key => $val)
+			{
+				if (in_array($key, array('divider', 'tag_open', 'tag_close')) AND isset($this->$key))
+				{
+					$this->$key = $val;
+				}
+			}
+		}
+	}
+	
+	// --------------------------------------------------------------------
+
+	/**
+	 * Append crumb to stack
+	 *
+	 * @access	public
+	 * @param	string $title
+	 * @param	string $href
+	 * @return	void
+	 */		
+	function append_crumb($title, $href)
+	{
+		// no title or href provided
+		if (!$title OR !$href) return;
+		
+		// add to end
+		$this->breadcrumbs[] = array('title' => $title, 'href' => $href);
+	}
+	
+	// --------------------------------------------------------------------
+
+	/**
+	 * Prepend crumb to stack
+	 *
+	 * @access	public
+	 * @param	string $title
+	 * @param	string $href
+	 * @return	void
+	 */		
+	function prepend_crumb($title, $href)
+	{
+		// no title or href provided
+		if (!$title OR !$href) return;
+		
+		// add to start
+		array_unshift($this->breadcrumbs, array('title' => $title, 'href' => $href));
+	}
+	
+	// --------------------------------------------------------------------
+
+	/**
+	 * Generate breadcrumb
+	 *
+	 * @access	public
+	 * @return	string
+	 */		
+	function output()
+	{
+		// breadcrumb found
+		if ($this->breadcrumbs) {
+		
+			// set output variable
+			$output = $this->tag_open;
+			
+			// add html to output
+			foreach ($this->breadcrumbs as $key => $crumb) {
+				
+				// add divider
+				$output .= $this->divider;
+				
+				// if last element
+				if (end(array_keys($this->breadcrumbs)) == $key) {
+					$output .= '<span>' . $crumb['title'] . '</span>';
+					
+				// else add link and divider
+				} else {
+					$output .= '<a href="' . $crumb['href'] . '">' . $crumb['title'] . '</a>';
+				}
+			}
+			
+			// return html
+			return $output . $this->tag_close . PHP_EOL;
+		}
+		
+		// return blank string
+		return '';
+	}
+
+}
+// END Breadcrumb Class
+
+/* End of file Breadcrumb.php */
+/* Location: ./application/libraries/Breadcrumb.php */