<?php
/*
Plugin Name: Simple Breadcrumb Navigation
Plugin URI: http://www.kriesi.at/archives/wordpress-plugin-simple-breadcrumb-navigation
Description: A simple and very lightweight breadcrumb navigation that covers nested pages and categories
Version: 1
Author: Christian "Kriesi" Budschedl
Author URI: http://www.kriesi.at/
*/

/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

class simple_breadcrumb{
	var $options;

function simple_breadcrumb(){

	$this->options = array( 	//change this array if you want another output scheme
	'before' => '<span class="breadarrow"> ',
	'after' => ' </span>',
	'delimiter' => '&rarr;'
	);

	$markup = $this->options['before'].$this->options['delimiter'].$this->options['after'];

	global $post;
	echo '<p class="crumbs"><a href="'.get_bloginfo('url').'">';
		//bloginfo('name');

		esc_html_e('Home', 'statusquo');
		echo "</a>";
	if(!is_front_page()){echo $markup;};

		$output = $this->simple_breadcrumb_case($post);

		echo "<span class='current_crumb'>";

		if ( !is_front_page()) {
		    the_title();
		}else{
          echo $output;
          }
		echo "</span></p> ";
	}


function simple_breadcrumb_case($der_post){
	global $post;
	$markup = $this->options['before'].$this->options['delimiter'].$this->options['after'];
	if (is_page()){
		 if($der_post->post_parent) {
			 $my_query = get_post($der_post->post_parent);
			 $this->simple_breadcrumb_case($my_query);
			 $link = '<a href="';
			 $link .= get_permalink($my_query->ID);
			 $link .= '">';
			 $link .= ''. get_the_title($my_query->ID) . '</a>'. $markup;
			 echo $link;
		  }
	return;
	}


	if(is_single()){
		$category = get_the_category();
		if (is_attachment()){
			$my_query = get_post($der_post->post_parent);
			$category = get_the_category($my_query->ID);
			if( $category != null ) {
			$ID = $category[0]->cat_ID;
			echo get_category_parents($ID, TRUE, $markup, FALSE );
			}
			previous_post_link("%link $markup");

		} elseif ( get_post_type( $post ) == 'post' ) {
			$ID = $category[0]->cat_ID;
			get_category_parents_for_breadcrumbs( $ID, TRUE, $markup, FALSE );

		} else { // custom types
		    echo ucwords( get_post_type( $post ) ) . $markup;
		}
	return;
	}

	if(is_category()){
		$category = get_the_category();
		$i = $category[0]->cat_ID;
		$parent = $category[0]-> category_parent;

		if($parent > 0 && $category[0]->cat_name == single_cat_title("", false)){
			echo get_category_parents($parent, TRUE, $markup, FALSE);
		}
	return single_cat_title('',FALSE);
	}

	if (is_tax()) { // taxonomy
		$term = get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxonomy' ) );
		echo $term->name;
	}

	if (is_Portfolio == get_post_type()){
		$term = get_term_by( 'slug', name, label, get_query_var( 'taxonomy' ) );
		echo $term->name;
	}

	if(is_author()){
		$curauth = get_userdatabylogin(get_query_var('author_name'));
		return esc_html__('Author: ', 'statusquo').$curauth->nickname;
	}
	if(is_tag()){ return esc_html__('Tag: ', 'statusquo').single_tag_title('',FALSE); }

	if(is_404()){ return esc_html__('404 - Page not Found', 'statusquo'); }

	if(is_search()){ return esc_html__('Search', 'statusquo'); }

	if(is_year()){ return get_the_time('Y'); }

	if(is_month()){
	$k_year = get_the_time('Y');
	echo "<a href='".get_year_link($k_year)."'>".$k_year."</a>".$markup;
	return get_the_time('F'); }

	if(is_day() || is_time()){
	$k_year = get_the_time('Y');
	$k_month = get_the_time('m');
	$k_month_display = get_the_time('F');
	echo "<a href='".get_year_link($k_year)."'>".$k_year."</a>".$markup;
	echo "<a href='".get_month_link($k_year, $k_month)."'>".$k_month_display."</a>".$markup;

	return get_the_time('jS (l)'); }

	}

}