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<?php
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/*
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mattice
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$Id: breadcrumb.php 1861 2009-03-06 23:26:28Z hpdl $
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osCommerce, Open Source E-Commerce Solutions
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http://www.oscommerce.com
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hpdl
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Copyright (c) 2007 osCommerce
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License v2 (1991)
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as published by the Free Software Foundation.
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*/
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/**
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* The osC_Breadcrumb class handles the breadcrumb navigation path
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*/
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class osC_Breadcrumb implements iterator {
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/**
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* An array containing the breadcrumb navigation path
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*
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* @var array
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* @access private
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*/
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private $_path = array();
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/**
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* The string to separate the breadcrumb entries with
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*
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* @var string
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* @access private
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*/
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private $_separator = ' » ';
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/**
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* Resets the breadcrumb navigation path
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*
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* @access public
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*/
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public function reset() {
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$this->_path = array();
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}
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/**
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* Adds an entry to the breadcrumb navigation path
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*
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* @param string $title The title of the breadcrumb navigation entry
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* @param string $link The link of the breadcrumb navigation entry
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* @access public
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*/
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public function add($title, $link = null) {
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if ( !empty($link) ) {
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$title = osc_link_object($link, $title);
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}
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$this->_path[] = $title;
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}
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/**
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* Returns the breadcrumb navigation path with the entries separated by $separator
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*
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* @param string $separator The string value to separate the breadcrumb navigation path entries with
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* @access public
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* @return string
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*/
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public function getPath($separator = null) {
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if ( is_null($separator) ) {
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$separator = $this->_separator;
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}
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return implode($separator, $this->_path);
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}
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/**
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* Returns the breadcrumb navigation path array
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*
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* @access public
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* @return array
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*/
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public function getArray() {
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return $this->_path;
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}
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/**
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* Returns the breadcrumb separator
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*
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* @access public
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* @return string
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*/
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public function getSeparator() {
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return $this->_separator;
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}
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/**
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* Sets the breadcrumb string separator
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*
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* @param string $separator The string to separator breadcrumb entries with
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* @access public
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* @return string
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*/
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public function setSeparator($separator) {
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$this->_separator = $separator;
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}
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/**
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* Overloaded rewind iterator function
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*
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* @access public
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*/
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public function rewind() {
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return reset($this->_path);
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}
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/**
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* Overloaded current iterator function
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*
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* @access public
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*/
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public function current() {
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return current($this->_path);
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}
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/**
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* Overloaded key iterator function
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*
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* @access public
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*/
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public function key() {
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return key($this->_path);
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}
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/**
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* Overloaded next iterator function
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*
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* @access public
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*/
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public function next() {
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return next($this->_path);
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}
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/**
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* Overloaded valid iterator function
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*
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* @access public
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*/
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public function valid() {
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return ( current($this->_path) !== false );
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}
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}
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?>
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