<?php

include('settings.php');

# WIDGET: Upper Sidebar
if ( function_exists('register_sidebar') )
    register_sidebar(array(
		'name' => 'Upper Sidebar',
        'before_title' => '<h2>',
        'after_title' => '</h2>',
		'before_widget' => '',
        'after_widget' => '',
    ));
	
# WIDGET: Left Sidebar
if ( function_exists('register_sidebar') )
    register_sidebar(array(
		'name' => 'Left Sidebar',
        'before_title' => '<h2>',
        'after_title' => '</h2>',
		'before_widget' => '',
        'after_widget' => '',
    ));
	
# WIDGET: Right Sidebar
if ( function_exists('register_sidebar') )
    register_sidebar(array(
		'name' => 'Right Sidebar',
        'before_title' => '<h2>',
        'after_title' => '</h2>',
		'before_widget' => '',
        'after_widget' => '',
    ));

# Displays a list of pages
function dp_list_pages() {
	global $wpdb;
	$querystr = "SELECT $wpdb->posts.ID, $wpdb->posts.post_title FROM $wpdb->posts WHERE $wpdb->posts.post_status = 'publish' AND $wpdb->posts.post_type = 'page' ORDER BY $wpdb->posts.post_title ASC";
	$pageposts = $wpdb->get_results($querystr, OBJECT);
	if ($pageposts) {
		foreach ($pageposts as $post) {
			$here = (is_page($post->ID)) ? ' class="here"' : ''; 
			?><li<?php echo $here ?>><a href="<?php echo get_permalink($post->ID); ?>"><?php echo $post->post_title; ?></a></li><?php 
		}
	}
}

# Displays a list of recent posts
function dp_recent_posts($num, $pre='<li>', $suf='</li>', $excerpt=false) {
	global $wpdb;
	$querystr = "SELECT $wpdb->posts.post_title, $wpdb->posts.ID, $wpdb->posts.post_content FROM $wpdb->posts WHERE $wpdb->posts.post_status = 'publish' AND $wpdb->posts.post_type = 'post' ORDER BY $wpdb->posts.post_date DESC LIMIT $num";
	$myposts = $wpdb->get_results($querystr, OBJECT);
	foreach($myposts as $post) {
		echo $pre;
		?><a class="title" href="<?php echo get_permalink($post->ID); ?>"><?php echo $post->post_title ?></a><?php
		if ($excerpt) {
			dp_attachment_image($post->ID, 'medium', 'alt="'.$post->post_title.'"');
			?><p><?php echo dp_clean($post->post_content, 85); ?>... <a href="<?php echo get_permalink($post->ID); ?>">Read More</a></p><?php
		}
		echo $suf;
	}
}

# Displays a list of popular posts
function dp_popular_posts($num, $pre='<li>', $suf='</li>', $excerpt=false) {
	global $wpdb;
	$querystr = "SELECT $wpdb->posts.post_title, $wpdb->posts.ID, $wpdb->posts.post_content FROM $wpdb->posts WHERE $wpdb->posts.post_status = 'publish' AND $wpdb->posts.post_type = 'post' ORDER BY $wpdb->posts.comment_count DESC LIMIT $num";
	$myposts = $wpdb->get_results($querystr, OBJECT);
	foreach($myposts as $post) {
		echo $pre;
		?><a class="title" href="<?php echo get_permalink($post->ID); ?>"><?php echo $post->post_title ?></a><?php
		if ($excerpt) {
			dp_attachment_image($post->ID, 'medium', 'alt="'.$post->post_title.'"');
			?><p><?php echo dp_clean($post->post_content, 85); ?>... <a href="<?php echo get_permalink($post->ID); ?>">Read More</a></p><?php
		}
		echo $suf;
	}
}

# Displays a list of recent categories
function dp_recent_comments($num, $pre='<li>', $suf='</li>') {
	global $wpdb, $post;
	$querystr = "SELECT $wpdb->comments.comment_ID, $wpdb->comments.comment_post_ID, $wpdb->comments.comment_author, $wpdb->comments.comment_content, $wpdb->comments.comment_author_email FROM $wpdb->comments WHERE $wpdb->comments.comment_approved=1 ORDER BY $wpdb->comments.comment_date DESC LIMIT $num";
	$recentcomments = $wpdb->get_results($querystr, OBJECT);
	foreach ($recentcomments as $rc) {
		$post = get_post($rc->comment_post_ID);
		echo $pre;
		dp_gravatar(52, 'alt="'.$rc->comment_author.'"', $rc->comment_author_email);
		?><a href="<?php the_permalink() ?>#comment-<?php echo $rc->comment_ID ?>"><?php echo dp_clean($rc->comment_content, 40); ?></a><?php
		echo $suf;
	}
}

$theHome = str_replace('www.', '', str_replace('http://', '', get_option('home')));

# Displays post image attachment (sizes: thumbnail, medium, full)
function dp_attachment_image($postid=0, $size='full', $width=100, $height=100) {
	global $theHome;
	if ($postid<1) $postid = get_the_ID();
	if ($images = get_children(array(
		'post_parent' => $postid,
		'post_type' => 'attachment',
		'numberposts' => 1,
		'post_mime_type' => 'image',)))
		foreach($images as $image) {
			$attachment = wp_get_attachment_image_src($image->ID, $size);
			$attachment=str_replace($theHome, '', str_replace('www.', '', str_replace('http://', '', $attachment[0])));
			bloginfo('template_url');
			echo '/thumb.php?src=' . $attachment . '&amp;h=' . $height . '&amp;w=' . $width . '&amp;zc=1';
		}
}

# Removes tags and trailing dots from excerpt
function dp_clean($excerpt, $substr=0) {
	$string = strip_tags(str_replace('[...]', '...', $excerpt));
	if ($substr>0) {
		$string = substr($string, 0, $substr);
	}
	return $string;
}

# Displays the comment authors gravatar if available
function dp_gravatar($size=50, $attributes='', $author_email='') {
	global $comment, $settings;
	if (dp_settings('gravatar')=='enabled') {
		if (empty($author_email)) {
			ob_start();
			comment_author_email();
			$author_email = ob_get_clean();
		}
		$gravatar_url = 'http://www.gravatar.com/avatar/' . md5(strtolower($author_email)) . '?s=' . $size . '&amp;d=' . dp_settings('gravatar_fallback');
		?><img src="<?php echo $gravatar_url; ?>" <?php echo $attributes ?>/><?php
	}
}

# Retrieves the setting's value depending on 'key'.
function dp_settings($key) {
	global $settings;
	return $settings[$key];
}

?>