Options page
Author: Dion Hulse
Author URI: http://dd32.id.au/
Plugin URI: http://dd32.id.au/wordpress-plugins/ddeviantart/
Update URI: http://dd32.id.au/pluginupdate/dDeviantArt/
*/
add_action('admin_menu', 'dda_admin_init');
function dda_admin_init(){
global $pagenow,$wp_version;
add_options_page('dDeviantArt','DeviantArt','administrator','ddeviantart/dda-options.php');
if( version_compare( $wp_version, '2.3-alpha', '>=') ){
//2.3 introduces print_scripts- so we'll use that instead.
add_action('admin_print_scripts-ddeviantart/dda-options.php','dda_admin_head');
} else {
//If the correct page, we'll want to add a head entry.
if( 'options-general.php' == $pagenow && isset( $_GET['page'] ) &&
'ddeviantart/dda-options.php' == $_GET['page'])
dda_admin_head();
}
//Due to the register_activation_hook being brocken on windows, if we're running on windows we re-create the rules every time the admin section is hit.
if( false !== strpos(__FILE__,'\\') )
dda_flush_rules();
}
function dda_admin_head(){
wp_enqueue_script('jquery');
wp_deregister_script('prototype'); //Deregister the prototype script so that it cant be used while jQuery is loaded; Allows use of $()
}
/*** Widget support ***/
add_action('widgets_init', 'dda_widget_init');
function dda_widget_init(){
if ( ! function_exists('register_sidebar_widget') )
return;
$widgets = get_option('dda_widgets');
foreach((array)$widgets as $widget){
register_sidebar_widget($widget['name'], 'dda_widget', $widget);
}
}
function dda_widget($args,$widget){
if( ! isset($widget['feed']) )
return;
extract($args,EXTR_SKIP);
echo $before_widget;
echo $before_title . $widget['name'] . $after_title;
dda_display_widget($widget);
echo $after_widget;
}
function dda_display_widget($widget){
$items = dda_get_feed_items($widget);
if( $widget['random'] == '1' )
shuffle($items);
foreach($items as $item){
//If no Custom HTML specified, use default HTML.
if( empty($widget['html']) ){
echo '';
if( !empty($item['imagelink']) ){
echo '!['.attribute_escape($item['title']).']('.$item['imagelink'].')
';
} else {
echo $item['title'];
}
echo '
';
} else {
$find = array('%id%','%link%','%category%','%image%','%title%','%author%');
$replace = array($item['guid'], $item['link'],
$item['category'], $item['imagelink'],
$item['title'], $item['author']);
echo str_replace($find, $replace, stripslashes($widget['html']));
}//end if()
}//end foreach()
}
/*** General Functions ***/
function dda_get_feed_items($widget){
$option = 'dda_'.md5($widget['feed']).$widget['numbertoshow'];
$items = get_option($option); //TODO: implement a cleaner to clean old options.
if( $items )
return $items;
include_once('inc/dCustom.php');
$rss = fetch_rss_timeout($widget['feed'],get_option('dda_timeout'));
$items = dda_process_feed_items($rss->items, $widget);
update_option($option, $items);
return $items;
}
function dda_process_feed_items($items, $widget){
for($i=0; $i <= count($items); $i++){
$result = dda_deviation_url($items[$i]['guid'] ,$widget['size']);
if( ! result ){
$items[$i] = null;
unset($items[$i]);
continue;
} else {
//Set the URL
$items[$i]['imagelink'] = $result;
//Determine the authors name from the image url:
if( preg_match('#_by_(.*).jpg$#',$result,$mat) ){
$items[$i]['author'] = $mat[1];
}
}
//If we have enough images, Return the total currently parsed.
if( $i >= $widget['numbertoshow'] )
return array_slice($items,0,$i);
}//end for
return $items;
}
function dda_deviation_url($id,$size=150){
$urls = get_option('dda_imageaddresses');
//Poor mans caching, Not using WP Object cache due to never being enabled.
if ( isset($urls[ $id . '-' . $size ]) )
return $urls[ $id . '-' . $size ];
include_once( ABSPATH . 'wp-includes/class-snoopy.php' );
$snoopy = new Snoopy();
$snoopy->agent = $_SERVER['HTTP_USER_AGENT']; //Needs to be a valid Browser, DA block non-browsers
$snoopy->maxredirs = 0; //Dont follow redirects
$snoopy->_httpmethod = "HEAD"; //Dont want the image, just the headers
//This URL is used by the Flash-embedable link.
$snoopy->fetch('http://www.deviantart.com/global/getthumb.php?size=' . $size . '&id=' . $id );
//If not found
if( trim($snoopy->headers[0]) != 'HTTP/1.1 302 Found')
return false;
//Locate the redirection header, this is the location of the image to display
foreach($snoopy->headers as $head){
if( substr($head,0,8) == 'Location' ){
$url = trim(substr($head,9));
break;
}
}
$urls[ $id . '-' . $size ] = $url;
update_option('dda_imageaddresses',$urls);
return $url;
}
/*** Inline thumbnail support ***/
if( ! get_option('dda_disableinlinethumbnails') )
add_filter('the_content', 'dda_inline');
function dda_inline($post){
$post = preg_replace_callback('#:thumb(\d+):((\d+)?:)?((\w+):)?#i','dda_inline_callback',$post);
return $post;
}
function dda_inline_callback($matches){
//Defaults
$class = get_option('dda_inlineclass');
$size = get_option('dda_inlinesize');
$id = $matches[1];
if( isset($matches[3]) && !empty($matches[3]) ) $size = $matches[3];
if( isset($matches[5]) && !empty($matches[5]) ) $class = $matches[5];
if( '300' == $size ) $size .= 'W';
$img = dda_deviation_url($id, $size);
if( get_option('dda_inlinelink') ){
return "
";
}
return "";
return $ret;
}
/*** Portfolio stuff ***/
add_action('template_redirect','dda_template');
function dda_template($arg){
global $wp_query;
if( !isset($wp_query->query_vars['ddeviantart']) )
return $arg;
// we're wanting to display a ddeviantart page, We dont do this here, we'll override the template for this page instead
add_filter('home_template','dda_template_override');
return $arg;
}
function dda_template_override($template){
//Override the template for the current page and replace it with our own.
return dirname(__FILE__).'/dda_portfolio.php';
}
add_action('get_pages','dda_portfolio_pages');
function dda_portfolio_pages($pages){
if( ! get_option('dda_portfolio_pages') )
return $pages;
$url = get_bloginfo('siteurl');
if( substr($url,-1) != '/' )
$url .= '/';
global $wp_rewrite;
if( ! $wp_rewite || ! $wp_rewrite->using_permalinks() )
$url .= '?ddeviantart=';
$portfolios = get_option('dda_portfolios');
foreach($portfolios as $id=>$portfolio){
$page = new stdClass;
$page->post_title = $portfolio['name'];
$page->post_name = $portfolio['slug'];
$page->guid = $url . $portfolio['slug'];
/*$page->post_category = 0;
$page->post_parent = 0;
$page->post_type = 'page';
$page->post_status = 'publish';*/
$page->ID = $id == 0 ? -1 : -($id)-1; /* we use ID's starting at -1, shouldnt conflict with anything. */
$pages[] = $page;
}
return $pages;
}
/*** URL REWRITE STUFF ***/
//If the rewrite rules are regenerated, Add our pretty permalink stuff, redirect it to the correct queryvar
add_action('generate_rewrite_rules', 'dda_add_rewrite_rules');
function dda_add_rewrite_rules( $wp_rewrite ) {
$pages = get_option('dda_portfolios');
if( empty($pages) )
return;
$pageRegex = '';
foreach((array)$pages as $page){
if( '' != $pageRegex)
$pageRegex .= '|'.$page['slug'];
else
$pageRegex = $page['slug'];
}
$new_rules = array( "($pageRegex)" => 'index.php?ddeviantart=' . $wp_rewrite->preg_index(1) );
$wp_rewrite->rules = $new_rules + $wp_rewrite->rules;
}
//Add a Query Var, This allows us to access the query var via $wp_query
add_filter('query_vars', 'dda_queryvars' );
function dda_queryvars( $qvars ){
$qvars[] = 'ddeviantart';
return $qvars;
}
//Add a Activation hook for the current page:
// NOTE: Broken on win32, see http://trac.wordpress.org/ticket/3002
register_activation_hook(__FILE__,'dda_flush_rules');
function dda_flush_rules(){
//Flush the rewrite rules so that the new rules from this plugin get added.
global $wp_rewrite;
$wp_rewrite->flush_rules();
}
?>