Wordpress Snippets 6

<?php

//-------------------------------------------------------------------
//                using dynamic sidebars
//-------------------------------------------------------------------

if (function_exists(‘register_sidebar’))

 register_sidebar(array(‘name’ => ‘sidebar1?,

  ’before_widget’ => ‘<li id=”%1$s” class=”widget %2$s”>’,
  ’after_widget’ => ‘</li>’,
  ’before_title’ => ‘<h2 class=”widgettitle”>’,
  ’after_title’ => ‘</h2>’,

 ));

//-----------------------------------------------------------
//      altering widgets output dynamically
//-----------------------------------------------------------
add_filter(‘dynamic_sidebar_params’,
                  ‘reclamation_sidebar_params’);

//------------------------------------------------
function reclamation_sidebar_params($params){
//------------------------------------------------
 $params[0]['before_widget'] = '<div class=”block”><div class=”block_title”>';

 $params[0]['before_title'] =

               '<h3><img src=”' .
               get_bloginfo(‘stylesheet_directory’) .
               '/sidebartitles.php?letters=' .
               @$params[0]['widget_name'] . '” />';

 $params[0]['after_title'] = '</h3></div>';

 $params[0]['after_widget'] =

               '</div><div class=”block_bottom”>'



 return $params;
}

?>

<?php
//-------------------------------------------------------------------
//       tweaking output of widgets in the sidebar
//-------------------------------------------------------------------

function my_edit_widget_func($params) {
    $params[0]['before_title'] = '<h3 class="' . $params[0]['widget_name'] . '">' ;
    return $params;
}

add_filter('dynamic_sidebar_params',
                        'my_edit_widget_func');
?>

<?php
//-------------------------------------------------------------------
//     using  ( pre_get_posts )  action hook
//-------------------------------------------------------------------

//----------------------------------------------
//   output posts with custom type on home page
//----------------------------------------------

function some_name($query) {
    if ( $query->is_main_query() && $query->is_home() ) {
        $query->set( 'post_type', array( 'home_portfolio' ) );
    }
}
add_action( 'pre_get_posts', 'some_name');


//----------------------------------------------
//  output posts with custom type on front page
//----------------------------------------------

function wpse83754_filter_pre_get_posts( $query ) {
    if ( $query->is_main_query() && is_front_page() ) {
        $query->set( 'post_type', array( 'home_portfolio' ) );
    }
}
add_action( 'pre_get_posts', 'wpse83754_filter_pre_get_posts' );

//----------------------------------------------
//    altering output on single page
//----------------------------------------------

function wpse83754_filter_pre_get_posts( $query ) {
    if ( $query->is_main_query() && is_page( $id ) ) {
        $query->set( 'post_type', array( 'home_portfolio' ) );
    }
}
add_action( 'pre_get_posts', 'wpse83754_filter_pre_get_posts' );

//----------------------------------------------
//   exclude certain category from output
//----------------------------------------------

add_action( 'pre_get_posts', 'foo_modify_query_exclude_category' );
function foo_modify_query_exclude_category( $query ) {
    if ( ! is_admin() && $query->is_main_query() && ! $query->get( 'cat' ) )
        $query->set( 'cat', '-5' );
}

//----------------------------------------------
//    check if we are in the loop
//----------------------------------------------

 in_the_loop(); ?>

<?php
//-------------------------------------------------------------------
//    altering post content before output (in main cycle)
//-------------------------------------------------------------------

add_filter ('the_excerpt', array ($this, 'insert_biography_box'));
add_filter ('the_content', array ($this, 'insert_biography_box'));

//------------------------------------------
function insert_biography_box ($content) {
//------------------------------------------
    error_log ('insert_biography_box: current filter=' . current_filter ());
    if (!is_main_query ()) {
        error_log ('Not main query, baling');
        return $content;
    }
    $biography = 'some-magic-function-return-value';
    return $content . $biography;
}

?>

<?php
//-------------------------------------------------------------------
//     registering multiple dynamic sidebars
//-------------------------------------------------------------------
 if(function_exists('register_sidebars')){

register_sidebars(2, array(
    'name'=>'sidebar%d',
    'id'  =>'sidebar',
    'before_widget'=>'<li class="box">',
    'after_widget'=>'</li><!--box--><!--aside-->',
    'before_title'=>'<h2>',
    'after_title'=>'</h2>',
));
}
?>

<?php
//-------------------------------------------------------------------
//     altering widget params before output in sidebar
//-------------------------------------------------------------------
add_filter('dynamic_sidebar_params','io_blogroll_class');

//---------------------------------------
function io_blogroll_class($params){
//---------------------------------------
 $params[0]['before_widget'] =  '<li class="'.$params[0]['widget_name'].' box">';
 $params[0]['after_widget'] =  '</li><!--'.$params[0]['widget_name'].'-->';

    if ($params[0]['widget_name'] == "Links"){

       $params[0]['before_widget'] =  '<li class="'.$params[0]['widget_name'].'">';
       $params[0]['after_widget'] =  '</li><!--'.$params[0]['widget_name'].'-->';
}
return $params;
}

?>

<?php
//-------------------------------------------------------------------
//    altering post content before output (in main cycle)
//-------------------------------------------------------------------

add_filter ('the_excerpt', array ($this, 'insert_biography_box'));
add_filter ('the_content', array ($this, 'insert_biography_box'));


function insert_biography_box ($content) {
    if (!in_the_loop () || !is_main_query ()) {
        return $content;
    }

    $biography = 'some-magic-function-return-value';
    return $content . $biography;
}

?>
<?php
//-------------------------------------------------------------------
//        registering custom Widget
//-------------------------------------------------------------------

add_action( 'widgets_init', 'register_my_widget' ); // Загрузка виджета

function register_my_widget() {}            // Функция регистрации виджета
class My_Widget extends WP_Widget () {}         //Класс виджета (как пример)
function My_Widget() {}                 // Установки виджета
function widget() {}                    // Вывод виджета
function update() {}                    // Обновление виджета
function form() {}                  // Форма для опций виджета



//-------------------------------------------------------------------
//               different output functions
//-------------------------------------------------------------------
?>

<?php wp_list_pages('title_li=<h2>Pages</h2>'); ?>

<li id="categories"><?php _e('Categories:'); ?>
    <ul>
<?php wp_list_cats(); ?>
    </ul>
 </li>

<div class="navigation">
<div class="alignleft">
     <?php next_posts_link('&laquo; Previous Entries') ?>
</div>
<div class="alignright">
     <?php previous_posts_link('Next Entries &raquo;') ?>
</div>
</div>

<li id="archives"><?php _e('Archives:'); ?>
     <ul>
<?php wp_get_archives('type=monthly'); ?>
     </ul>

<?php wp_get_archives('type=postbypost&limit=15'); ?>

<?php get_links_list(); ?>
<ul><?php get_links(2, '<li>', '</li>', '', TRUE, 'url', FALSE); ?></ul>

<h2>Link list of authors:</h2>
<ul>
    <?php
    $order = 'user_nicename';
    $user_ids = $wpdb->get_col("SELECT ID FROM $wpdb->users ORDER BY $order"); // query users

    foreach($user_ids as $user_id) : // start authors' profile "loop"
       $user = get_userdata($user_id);
       ?>
       <li>
        <?php echo '<a href="' . $user->user_url . '">' . $user->display_name . '</a>'; ?>
        <br /></li>

        <?php
    endforeach; // end of authors' profile 'loop'
    ?>
</ul>

<?php get_sidebar(); ?>

<?php include ('sidebar-cat.php'); ?>
<?php include ('sidebar-archive.php'); ?>

<?php
//-------------------------------------------------------------------
//     hide certain widgets from certain sidebar on single page
//-------------------------------------------------------------------

add_filter( 'sidebars_widgets', 'wpse17681_sidebars_widgets' );

function wpse17681_sidebars_widgets( $sidebars_widgets )
{
    if ( is_page() /* Or whatever */ ) {

        foreach ( $sidebars_widgets as $sidebar_id => &$widgets ) {

            if ( 'my_sidebar' != $sidebar_id ) {
                continue;
            }

            foreach ( $widgets as $idx => $widget_id ) {

                if ( 0 === strncmp( $widget_id, 'links-', 6 ) ) {
                    unset( $widgets[$idx] );
                }
            }
        }
    }

    return $sidebars_widgets;
}
?>
<?php
//-------------------------------------------------------------------
//              admin bar is present on screen
//-------------------------------------------------------------------

if ( is_admin_bar_showing() ) {
    // do something
}
?>

<?php
//-------------------------------------------------------------------
// altering output of function checking if post is open for comments
//-------------------------------------------------------------------
add_filter( 'comments_open', 'my_comments_open', 10, 2 );

//-----------------------------------------------
function my_comments_open( $open, $post_id ) {
//-----------------------------------------------

    $post = get_post( $post_id );

    if ( 'page' == $post->post_type )
        $open = false;

    return $open;
}

//-------------------------------------------------------------------
//                  enqueue custom script
//-------------------------------------------------------------------
add_action( 'wp_print_scripts', 'myplugin_scripts' );

//--------------------------------
function myplugin_scripts(){
//--------------------------------
  if ( is_single() && comments_open() ) {

    // myplugin_script must have been previously registered via wp_register_script()

    wp_enqueue_script( 'myplugin_script' );
  }

  if ( is_active_widget( false, false, $this->id_base, true ) ) {
      wp_enqueue_script( 'jquery' );
  }
}



?>

<?php
//-------------------------------------------------------------------
//                  registering custom widget
//-------------------------------------------------------------------


class MyNewWidget extends WP_Widget {

        //------------------------------
    function MyNewWidget() {

        parent::__construct( false, 'My New Widget Title' );
    }

        //------------------------------
    function widget( $args, $instance ) {
        // Widget output
    }

        //------------------------------
    function update( $new_instance, $old_instance ) {
        // Save widget options
    }
        //------------------------------
    function form( $instance ) {
        // Output admin widget options form
    }
}

//------------------------------
function myplugin_register_widgets() {
    register_widget( 'MyNewWidget' );
}
//------------------------------
add_action( 'widgets_init', 'myplugin_register_widgets' );


//-------------------------------------------------------------------
//                  output standart widget
//-------------------------------------------------------------------

 the_widget( 'WP_Widget_Archives', $instance, $args ); ?>

<?php
//-------------------------------------------------------------------
//             Call a specific sidebar widget
//-------------------------------------------------------------------
// For your functions.php
/**
 * Filter callback
 *
 * @param array $sidebars_widgets
 * @return mixed bool/object $sidebars_widgets The widget or FALSE if not found
 */
//-----------------------------------------------------
function filter_sidebars_widgets( $sidebars_widgets )
//-----------------------------------------------------
{

    $wanted = 'recent-posts-2';

    //---------------------------------------------------------
    // Prevent intercepting another call - on demand filter(!)
    //---------------------------------------------------------
    remove_filter( current_filter(), __FUNCTION__ );

    if ( is_array( $sidebars_widgets ) )
    {
        //---------------------------------------------
        // array_search() returns FALSE
        //   in case the widget isn't present
        //---------------------------------------------

        $index            = array_search( $wanted, $sidebars_widgets, FALSE );
        $sidebars_widgets = $sidebars_widgets[ $index ];
    }
    else
    {
        //------------------------------------
        // we add a manual FALSE
        // in case the widget isn't present
        //------------------------------------
        $sidebars_widgets = $wanted === $sidebars_widgets ? $sidebars_widgets : FALSE;
    }

    return $sidebars_widgets;
}
//-----------------------------------------------
// In your template: First add the filter...
//-----------------------------------------------
add_filter( 'sidebars_widgets', 'filter_sidebars_widgets' );

//-----------------------------------------------
// ...then call the function.
//-----------------------------------------------
$widget = wp_get_sidebars_widgets();

// Now do something with $widget :)

// As we removed the filter inside the callback, any other call
// to wp_get_sidebars_widgets(); will behave like normal.

//-------------------------------------------------------------------
/*
* wrapper function for showing sidebars, so that we can customise widget output
* @param int|string $index Optional, default is 1. Name or ID of dynamic sidebar.
* @return bool True, if widget sidebar was found and called. False if not found or not called.
*/
//------------------------------------------------------------------
function theme_dynamic_sidebar($index = 1) {

    // capture output from the widgets
    ob_start();
    $result = dynamic_sidebar($index);
    $out = ob_get_clean();

    //---------------------------------------------------
    //    replace SendBlaster OptIn widget
    //    Location custom field with drop-down list
    //---------------------------------------------------
    $list = <<<HTML
Location <select size="1" name="$1" id="$2" >
    <option value=""></option>
    <option value="ACT">ACT</option>
    <option value="SA">SA</option>
    <option value="NT">NT</option>
    <option value="QLD">QLD</option>
    <option value="NSW">NSW</option>
    <option value="VIC">VIC</option>
    <option value="TAS">TAS</option>
    <option value="WA">WA</option>
    <option value="NZ">New Zealand</option>
    <option value="US">United States</option>
    <option value="Other">Other</option>
</select>
HTML;
    $out = preg_replace(
       '|Location <input type="text" name="([^"]+)" id="([^"]+)"(?:[^>])*>|', $list, $out);

    //----------------------------------------
    // finally, output whatever we have left
    //----------------------------------------
    echo $out;

    return $result;
}
//------------------------------------------
theme_dynamic_sidebar('left_sidebar');

?>

<?php
//-------------------------------------------------------------------
//              altering comments before output
//-------------------------------------------------------------------

function stefan_wrap_comment_text($content) {

    return "<div class=\"comment-text\">". $content ."</div>";
}
//----------------------
add_filter('comment_text', 'stefan_wrap_comment_text');
add_filter('comment_text', 'stefan_wrap_comment_text', 1000);

?>
<?php
//-------------------------------------------------------------------
//         altering posts before output on search page
//-------------------------------------------------------------------
function my_the_posts($posts, $query = false) {
    if( is_search() ){
        // do your thing here
    }
    return $posts;
}
add_filter( 'the_posts', 'my_the_posts' );

?>
<?php

//-------------------------------------------------------------------
//      conditional output of scripts and styles (any page)
//-------------------------------------------------------------------
// the_posts gets triggered before wp_head
//-------------------------------------------------------------------

add_filter('the_posts', 'conditionally_add_scripts_and_styles');

//-------------------------------------------------------
function conditionally_add_scripts_and_styles($posts){
//-------------------------------------------------------

    if (empty($posts)) return $posts;

        //--------------------------------------------
        // use this flag to see
        // if styles and scripts need to be enqueued
        //--------------------------------------------
    $shortcode_found = false;

    foreach ($posts as $post) {
        if (stripos($post->post_content, '[code]') !== false) {
            $shortcode_found = true; // bingo!
            break;
        }
    }

    if ($shortcode_found) {

        wp_enqueue_style('my-style', '/style.css');
        wp_enqueue_script('my-script', '/script.js');
    }

    return $posts;
}
?>

<?php
//-------------------------------------------------------------------
//              add custom tab in media editor
//-------------------------------------------------------------------

add_filter('media_upload_tabs',
                     'my_media_upload_tabs_filter');

//----------------------------------------------
function my_media_upload_tabs_filter($tabs) {
//----------------------------------------------
        unset($tabs["type_url"]);
        unset($tabs['library']);
        $newtab = array('ell_insert_gmap_tab' => __('Google Map','insertgmap'));

        return array_merge($tabs,$newtab);
}

add_action('media_upload_ell_insert_gmap_tab',
                            'media_upload_ell_gmap_tab');

//----------------------------------------------
function media_upload_ell_gmap_tab() {
//----------------------------------------------
    return wp_iframe(
                   'media_upload_ell_gmap_form'
                , $errors );
}
//----------------------------------------------
function media_upload_ell_gmap_form() {
//----------------------------------------------
    echo media_upload_header();
    ?>
    <h2>HTML Form</h2>

<?php
}

//-------------------------------------------------------------------
//                    add custom media tab
//-------------------------------------------------------------------

//            add the tab
//--------------------------------------
add_filter('media_upload_tabs',
                             'my_upload_tab');

//------------------------------
function my_upload_tab($tabs) {
//------------------------------
    $tabs['mytabname'] = "My Tab Name";
    return $tabs;
}

//    call the new tab with wp_iframe
//--------------------------------------
add_action('media_upload_mytabname',
                                'add_my_new_form');

//-----------------------------
function add_my_new_form() {
//-----------------------------
    wp_iframe( 'my_new_form' );
}

// the tab content
//--------------------------------------
function my_new_form() {
    echo '<p>Example HTML content goes here.</p>';
}
?>


//-------------------------------------------------------------------
//            redirect user on previous page after login
//-------------------------------------------------------------------

<a href="<?php echo wp_login_url( get_permalink() ); ?>" title="Login">Login</a>

<?php

//-------------------------------------------------------------------
//                  create custom rewrite rules
//-------------------------------------------------------------------

add_filter( 'rewrite_rules_array','my_insert_rewrite_rules' );
add_filter( 'query_vars','my_insert_query_vars' );
add_action( 'wp_loaded','my_flush_rules' );


// flush_rules() if our rules are not yet included
//-----------------------------------------------------
function my_flush_rules(){
//-----------------------------------------------------
    $rules = get_option( 'rewrite_rules' );

    if ( ! isset( $rules['(project)/(\d*)$'] ) ) {
        global $wp_rewrite;
        $wp_rewrite->flush_rules();
    }
}

// Adding a new rule
//-----------------------------------------------------
function my_insert_rewrite_rules( $rules )
//-----------------------------------------------------
{
    $newrules = array();
    $newrules['(project)/(\d*)$'] = 'index.php?pagename=$matches[1]&id=$matches[2]';
    return $newrules + $rules;
}

// Adding the id var so that WP recognizes it
//-----------------------------------------------------
function my_insert_query_vars( $vars )
//-----------------------------------------------------
{
    array_push($vars, 'id');
    return $vars;
}
?>

<?php
//-------------------------------------------------------------------
//           add custom rewrite rules via rewrite tag
//-------------------------------------------------------------------
function keywords_create_rewrite_rules( $rewrite ) {
    global $wp_rewrite;

    // add rewrite tokens
    $keytag_token = '%tag%';
    $wp_rewrite->add_rewrite_tag( $keytag_token, '(.+)', 'tag=' );

    $keywords_structure = $wp_rewrite->root . "tag/$keytag_token";
    $keywords_rewrite = $wp_rewrite->generate_rewrite_rules( $keywords_structure );

    return ( $rewrite + $keywords_rewrite );
}
?>

<?php
//-------------------------------------------------------------------
//                add rewrite rules for feeds
//-------------------------------------------------------------------

function feed_dir_rewrite( $wp_rewrite ) {
    $feed_rules = array(
        'index.rdf' => 'index.php?feed=rdf',
        'index.xml' => 'index.php?feed=rss2',
        '(.+).xml' => 'index.php?feed=' . $wp_rewrite->preg_index(1)
    );

    $wp_rewrite->rules = $feed_rules + $wp_rewrite->rules;
    return $wp_rewrite->rules;
}

// Hook in.
add_filter( 'generate_rewrite_rules', 'feed_dir_rewrite' );
?>

<?php
//-------------------------------------------------------------------
//               print non-wp rewrite rules
//-------------------------------------------------------------------

    $wp_rewrite->non_wp_rules = array( 'Pattern' => 'Substitution' );
    print_r($wp_rewrite->mod_rewrite_rules());
?>

prints

 <IfModule mod_rewrite.c>
 RewriteEngine On
 RewriteBase /wp_home/
 RewriteRule ^Pattern /wp_home/Substitution [QSA,L]
 RewriteCond %{REQUEST_FILENAME} !-f
 RewriteCond %{REQUEST_FILENAME} !-d
 RewriteRule . /wp_home/index.php [L]
 </IfModule>


<?php
//-------------------------------------------------------------------
//     check if we are on singular page of certain post type
//-------------------------------------------------------------------

is_singular(array( 'newspaper', 'book' ));

?>

<?php
//-------------------------------------------------------------------
//         select template via  template_include  filter
//-------------------------------------------------------------------

add_filter('template_include', 'sermon_template_include');

function sermon_template_include($template) {
    if(get_query_var('post_type') == 'wpfc_sermon') {
        if ( is_archive() || is_search() ) :
           if(file_exists(TEMPLATEDIR . '/archive-wpfc_sermon.php'))
              return TEMPLATEDIR . '/archive-wpfc_sermon.php';
           return dirname(__FILE__) . '/views/archive-wpfc_sermon.php';
        else :
           if(file_exists(TEMPLATEDIR . '/single-wpfc_sermon.php'))
              return TEMPLATEDIR . '/single-wpfc_sermon.php';
           return dirname(__FILE__) . '/views/single-wpfc_sermon.php';
        endif;
    }
    return $template;
}

?>

<?php
//-------------------------------------------------------------------
//      select template via  template_redirect
//           for custom post type
//-------------------------------------------------------------------
function my_template_redirect()
  {
  global $wp;
  global $wp_query;
  if ($wp->query_vars["post_type"] == "your_custom_post_type")
  {
    if (have_posts())
      {
          include(TEMPLATEPATH . '/your_custom_post_type_template.php');
          die();
      }
      else
      {
          $wp_query->is_404 = true;
      }
    }
}

add_action("template_redirect", 'my_template_redirect');

?>

<?php
//-------------------------------------------------------------------
//          select template via template redirect
//-------------------------------------------------------------------
add_action('template_redirect', 'mcd_set_template');

function mcd_set_template() {
    $template_path = TEMPLATEPATH . '/' . "templatename.php";
    if(file_exists($template_path)){
        include($template_path);
        exit;
    }
}
?>

<?php
//-------------------------------------------------------------------
//            usage of template_include filter
//-------------------------------------------------------------------
add_action('template_include', 'mcd_set_template');

function mcd_set_template() {
    return locate_template('templatename.php');
}

?>

<?php
//-------------------------------------------------------------------
//   select custom template for certain category with fallback
//-------------------------------------------------------------------

add_filter('category_template',

              'filter_category_template');

//--------------------------------------------
function filter_category_template($template){
//--------------------------------------------

    /* Get current category */
    $category = get_queried_object();

    /* Create hierarchical list of desired templates */

    $templates = array (
      'category.php',
      'custom-category-template.php',
      'category-{$category->slug}.php',
      'category-{$category->term_id}.php',
      'index.php'
    );


    return locate_template($templates);
}
?>

<?php
//-------------------------------------------------------------------
//    select category template according to its parent category
//-------------------------------------------------------------------

add_filter( 'template_include',
                                'ja_template_check' );

//--------------------------------------------
function ja_template_check( $template ) {
//--------------------------------------------
    if ( is_category() ){


        $cat = get_query_var( 'cat' );
        $category_info = get_category( $cat );

        if ( $category_info->parent == 7 ){
            return get_stylesheet_directory() . '/subcategory-news.php';
        }
    }
    return $template;

}
?>

<?php
//-------------------------------------------------------------------
//   select nav menu according to current category
//-------------------------------------------------------------------

// если это категория 4 или её подкатегория

if (cat_is_ancestor_of(4, $cat) or is_category(4)) {
      wp_nav_menu( array('menu' => 'Music' ));
} ?>

<?php
//-------------------------------------------------------------------
//         redirecting according to referer
//-------------------------------------------------------------------

if ( wp_get_referer() )
{
    wp_safe_redirect( wp_get_referer() );
}
else
{
    wp_safe_redirect( get_home_url() );
}
?>

<?php
//-------------------------------------------------------------------
//            add custom filter to admin post list
//-------------------------------------------------------------------

add_action('restrict_manage_posts',
                       'scompt_restrict_manage_posts');

//-----------------------------------------
function scompt_restrict_manage_posts() {
//-----------------------------------------
    ?>
        <form name="scompt_attachmentform" id="scompt_attachmentform" action="" method="get">
            <fieldset>
            <legend><?php _e('Attachments'); ?>&hellip;</legend>
            <select name='scompt_attachments' id='scompt_attachments' class='postform'>
                <option value=""><?php _e('All'); ?></option>
                <option value="has"><?php _e('Has attachments'); ?></option>
                <option value="hasnt"><?php _e('Has no attachments'); ?></option>
            </select>
            <input type="submit" name="submit" value="<?php _e('Filter') ?>" class="button" />
        </fieldset>
        </form>
    <?php
}

//-----------------------------------------
add_filter('posts_where',
                       'scompt_posts_where');

//-----------------------------------------
function scompt_posts_where($where) {
//-----------------------------------------
    if( is_admin() ) {
        global $wpdb;
        if( $_GET['scompt_attachments'] == 'has' ) {

            $where .=
                " AND ID IN (SELECT post_parent FROM {$wpdb->posts} WHERE post_type='attachment' )";
        } else if( $_GET['scompt_attachments'] == 'hasnt' ) {
            $where .=
                " AND ID NOT IN (SELECT post_parent FROM {$wpdb->posts} WHERE post_type='attachment' )";
        }
    }
    return $where;
}

//------------------------------------------------------
//   also count posts with and without attachments
//------------------------------------------------------
add_action('restrict_manage_posts',
                          'scompt_restrict_manage_posts');

//-----------------------------------------
function scompt_restrict_manage_posts() {
//-----------------------------------------
    global $wpdb;
    $has_count = $wpdb->get_var(

             "SELECT COUNT(*) FROM wp_posts WHERE post_type='post'
             AND ID IN (SELECT post_parent FROM wp_posts WHERE post_type='attachment')");

    $hasnt_count = $wpdb->get_var(

            "SELECT COUNT(*) FROM wp_posts WHERE post_type='post'
            AND ID NOT IN (SELECT post_parent FROM wp_posts WHERE post_type='attachment')");

    ?>
      <form name="scompt_attachmentform" id="scompt_attachmentform" action="" method="get">
          <fieldset style="margin: 0pt 1em 1em 1.5em; padding: 0pt; float: left;">
              <legend><?php _e('Attachments'); ?>&hellip;</legend>

              <select name='scompt_attachments' id='scompt_attachments' class='postform'>

                  <option value=""><?php _e('All'); ?></option>

                  <option value="has" <?php if( isset($_GET['scompt_attachments']) &&
              $_GET['scompt_attachments']=='has')
            echo 'selected="selected"' ?>><?php _e('Has attachments'); ?>
             (<?php echo $has_count ?>)</option>

                  <option value="hasnt" <?php if( isset($_GET['scompt_attachments']) &&
                 $_GET['scompt_attachments']=='hasnt') echo 'selected="selected"' ?>>
<?php _e('Has no attachments'); ?>  (<?php echo $hasnt_count ?>)</option>

              </select>
          </fieldset>

          <input type="submit" name="submit" value="<?php _e('Filter & #187;');
           ?>" class="button" style="float:left;margin:14px 0pt 1em;position:relative;top:0.35em;"/>
      </form>
  <?php
}


//-----------------------------------------
add_action('admin_head',
                     'scompt_admin_head');

//-----------------------------------------
function scompt_admin_head() {
//-----------------------------------------
    add_filter('posts_where', 'scompt_posts_where');
}
//-----------------------------------------
function scompt_posts_where($where) {
//-----------------------------------------
    global $wpdb;
    if( $_GET['scompt_attachments'] == 'has' ) {

        $where .= " AND ID IN
                      (SELECT post_parent FROM {$wpdb->posts} WHERE post_type='attachment' )";

    } else if( $_GET['scompt_attachments'] == 'hasnt' ) {

        $where .= " AND ID NOT IN
                        (SELECT post_parent FROM {$wpdb->posts} WHERE post_type='attachment' )";
    }
    return $where;
}
?>

<?php
//-------------------------------------------------------------------
//      add filters by custom taxonomies for custom post type
//-------------------------------------------------------------------

//-------------------------------------------
function work_restrict_manage_posts() {
//-------------------------------------------
    global $typenow;
    $args=array( 'public' => true, '_builtin' => false );
    $post_types = get_post_types($args);

    if ( in_array($typenow, $post_types) ) {

    $filters = get_object_taxonomies($typenow);
        foreach ($filters as $tax_slug) {
            $tax_obj = get_taxonomy($tax_slug);

            wp_dropdown_categories(array(
                'show_option_all' => __('Alle '.$tax_obj->label ),
                'taxonomy' => $tax_slug,
                'name' => $tax_obj->name,
                'orderby' => 'term_order',
                'selected' => $_GET[$tax_obj->query_var],
                'hierarchical' => $tax_obj->hierarchical,
                'show_count' => false,
                'hide_empty' => true
            ));
        }
    }
}

//-------------------------------------------
function work_convert_restrict($query) {
//-------------------------------------------
    global $pagenow;
    global $typenow;

    if ($pagenow=='edit.php') {

        $filters = get_object_taxonomies($typenow);

        foreach ($filters as $tax_slug) {

            $var = &$query->query_vars[$tax_slug];

            if ( isset($var) && $var>0) {
                $term = get_term_by('id',$var,$tax_slug);
                $var = $term->slug;
            }
        }
    }
    return $query;
}

//--------------------------------------
add_action( 'restrict_manage_posts',
                             'work_restrict_manage_posts' );
//--------------------------------------
add_filter('parse_query',
                       'work_convert_restrict');
?>


<?php
//-------------------------------------------------------------------
//          add sort by meta field for custom post type
//-------------------------------------------------------------------
add_action('restrict_manage_posts',
                 'restrict_manage_movie_sort_by_genre');

//-------------------------------------------------
function restrict_manage_movie_sort_by_genre() {
//-------------------------------------------------
    if (isset($_GET['post_type'])) {
        $post_type = $_GET['post_type'];

        if (post_type_exists($post_type) && $post_type=='movie') {
            global $wpdb;

            $sql=<<<SQL
SELECT pm.meta_key FROM {$wpdb->postmeta} pm
INNER JOIN {$wpdb->posts} p ON p.ID=pm.post_id
WHERE p.post_type='movie' AND pm.meta_key='Genre'
GROUP BY pm.meta_key
ORDER BY pm.meta_key
SQL;

            $results = $wpdb->get_results($sql);

            $html = array();
            $html[] = "<select id=\"sortby\" name=\"sortby\">";
            $html[] = "<option value=\"None\">No Sort</option>";

            $this_sort = $_GET['sortby'];

            foreach($results as $meta_key) {

                $default = ($this_sort==$meta_key->meta_key ? ' selected="selected"' : '');
                $value = esc_attr($meta_key->meta_key);
                $html[] = "<option value=\"{$meta_key->meta_key}\"$default>{$value}</option>";
            }
            $html[] = "</select>";
            echo "Sort by: " . implode("\n",$html);
        }
    }
}

//--------------------------------------------
add_filter( 'parse_query',

                       'sort_movie_by_meta_value' );

//-------------------------------------------------
function sort_movie_by_meta_value($query) {
//-------------------------------------------------
    global $pagenow;
    if (is_admin() && $pagenow=='edit.php' &&
        isset($_GET['post_type']) && $_GET['post_type']=='movie' &&
        isset($_GET['sortby'])  && $_GET['sortby'] !='None')  {
        $query->query_vars['orderby'] = 'meta_value';
        $query->query_vars['meta_key'] = $_GET['sortby'];
    }
}

//-------------------------------------------------
add_action('manage_movie_posts_columns',

                               'manage_movie_posts_columns');

//-----------------------------------------------------
function manage_movie_posts_columns($posts_columns) {
//-----------------------------------------------------
    $posts_columns = array(
        'cb' => $posts_columns['cb'],
        'title' => 'Movie Name',
        );
    if (isset($_GET['sortby']) && $_GET['sortby'] !='None')
        $posts_columns['meta_value'] = 'Sorted By';

    return $posts_columns;
}

//-----------------------------------------------------
add_action('manage_pages_custom_column',

                   'manage_movie_pages_custom_column',10,2);

//---------------------------------------------------------------
function manage_movie_pages_custom_column(
                                $column_name,$post_id) {
//---------------------------------------------------------------
    global $pagenow;
    $post = get_post($post_id);

    if ($post->post_type=='movie' && is_admin() && $pagenow=='edit.php')  {

        switch ($column_name) {
            case 'meta_value':
                if (isset($_GET['sortby']) && $_GET['sortby'] !='None') {
                    echo get_post_meta($post_id,$_GET['sortby'],true);
                }
                break;
        }
    }
}

?>

<?php
//-------------------------------------------------------------------
//         Expand Media Library admin panel
//-------------------------------------------------------------------

add_action('admin_init', 'init_media_plus');

//------------------------------------
function init_media_plus() {
//------------------------------------

    // Only activate plugin for the Media Library page
    //------------------------------------

    if (strpos($_SERVER["REQUEST_URI"], "upload.php") === FALSE)
        return;

    //---------------------------------
    add_action('restrict_manage_posts',
                                     'media_library_menu');

    //---------------------------------
    add_action('admin_head',
                             'media_plus_header', 51);

    //---------------------------------
    add_filter('wp_redirect',
                             'media_plus_redirect', 10, 2);
}

//------------------------------------
function media_library_menu() {
//------------------------------------

    global $wpdb;

    ?>
    <div class="wrap">
        <?php screen_icon(); ?>
        <h2>Media Library Plus</h2>

        <form id="media-plus-form" action="" method="get">
            <select name="action" class="select-action">
            <option value="-1" selected="selected"><?php _e('Bulk Actions'); ?></option>
            <option value="delete"><?php _e('Delete'); ?></option>
            <option value="attach"><?php _e('Attach to a post'); ?></option>
            <option value="remove"><?php _e('Detach from a post'); ?></option>

            </select>

            <input type="submit" value="<?php esc_attr_e('Apply'); ?>"

                        name="doaction" id="doaction" class="button-secondary action"

                         onClick="getSelectedMedia('posts-filter');" />


            <?php wp_nonce_field('bulk-media'); ?>
            <?php find_posts_div(); ?>
        </form>
    </div> <!-- End div wrap -->
    <?php
}

//------------------------------------
function media_plus_header() {
//------------------------------------
?>
<script type="text/javascript">
   <!--
   // get_selected_media(document.posts-filter.list)


   function addNewArg(name, value) {
   //-----------------------------------
       var newArg = document.createElement("input");
       newArg.type = "hidden";
       newArg.name = name;
       newArg.value = value;
       newArg.id = name;
       return newArg;
   }

   function getSelectedMedia() {
   //------------------------------------
       var mediaPlusForm=document.getElementById('media-plus-form' );
       var args = document.getElementById('posts-filter').elements;

       for (i = 0; i < args.length; i++) {
           if (args[i].name == "media[]" && args[i].checked) {
               mediaPlusForm.appendChild(addNewArg("media[]", args[i].value));
           }
       }

       // Redirect to previous page by adding previous mime_type and detached state

       var hasType = location.href.indexOf('post_mime_type');

       if (hasType >= 0) {
           var sPos = location.href.indexOf('=', mimeType);
           var ePos = location.href.indexOf('&', sPos);

           if (ePos >= 0) {
               var mimeStr = location.href.substring(sPos+1, ePos);
           } else {
               var mimeStr = location.href.substring(sPos+1);
           }

           mediaPlusForm.appendChild(addNewArg('post_mime_type', mimeStr));
       }

       if (location.href.indexOf('detached') >= 0) {
            mediaPlusForm.appendChild(addNewArg('detached', '1'));
       }
}
//-->
</script>
<?php
}

// Change redirect set in upload.php
//----------------------------------------------------
function media_plus_redirect($location, $status) {
//----------------------------------------------------
    if ( isset($_GET['found_post_id']) && isset($_GET['media']) ) {
        if (!isset($_GET['detached']))
            $location = remove_query_arg('detached', $location);
    }
    return $location;
}

//----------------------------------------------------
function detach_media_action() {
//----------------------------------------------------

    // $_GET['doaction'] should be 'Apply'
    global $wpdb;

    if ( !strcmp($_GET['action'], 'remove') && isset($_GET['media']) ) {
        check_admin_referer('bulk-media');

        $attach = array();
        foreach( (array) $_GET['media'] as $att_id ) {
            $att_id = (int) $att_id;

            if ( !current_user_can('edit_post', $att_id) )
                continue;

            $attach[] = $att_id;
        }

        if ( ! empty($attach) ) {
            $attach = implode(',', $attach);
            $attached = $wpdb->query( $wpdb->prepare(

           "UPDATE $wpdb->posts SET post_parent = %d
              WHERE post_type = 'attachment' AND ID IN ($attach)", '') );
        }

        if ( isset($attached) ) {
            $location = 'upload.php';
            if ( $referer = wp_get_referer() ) {
                if ( false !== strpos($referer, 'upload.php') )
                    $location = $referer;
            }

            $location = add_query_arg( array( 'attached' => $attached ) , $location );
            // redirect after header here can't use wp_redirect($location);
            ?>
              <script type="text/javascript">
              <!--
              window.location= <?php echo "'" . $location . "'"; ?>;
              //-->
              </script>
            <?php
            exit;
        }

    }
}
?>

<?php
//-------------------------------------------------------------------
//                  altering add_media screen
//-------------------------------------------------------------------

//----------------------------------------
add_action('wp_enqueue_scripts',
                                  array($this, 'add_js_css'));

//----------------------------------------
add_filter('attachment_fields_to_edit',

                                 array($this, 'attachment_fields'), 15, 2);

//--------------------------------------------------
public function attachment_fields($form_fields) {
//--------------------------------------------------
    global $post;

    $file = wp_get_attachment_url($post->ID);

    unset($form_fields['post_excerpt']);
    unset($form_fields['post_content']);
    unset($form_fields['url']['helps']);

    $form_fields['url']['label'] = 'URL';

    $form_fields['url']['html'] = "<input type='text' class='text urlfield'
                  name='attachments[$post->ID][url]' value='" . esc_attr($file) . "' /><br />";

    $form_fields['buttons'] = array(
    'label' => '',
    'value' => '',
    'html' => "<input type='submit' class='button'
            name='send[$post->ID]' value='" . esc_attr__( 'Add MP3' ) . "' />",

    'input' => 'html'

    );

    return $form_fields;
}
?>

<?php
//-------------------------------------------------------------------
//             remove tabs from add_media screen
//-------------------------------------------------------------------

add_filter('media_upload_tabs',
                         'remove_media_library_tab');

//--------------------------------------------
function remove_media_library_tab($tabs) {
//--------------------------------------------

    if (isset($_REQUEST['post_id'])) {

        $post_type = get_post_type($_REQUEST['post_id']);

        if ('post' == $post_type)
            unset($tabs['library']);
    }
    return $tabs;
}

//----------------------------------------------
add_filter( 'media_upload_tabs',
                        'no_media_library_tab' );

//--------------------------------------------
function no_media_library_tab( $tabs ) {
//--------------------------------------------
    unset($tabs['library']);
    return $tabs;
}

//--------------------------------------------
add_filter('media_upload_tabs',
                      'no_library_tab');

//--------------------------------------------
function no_library_tab($tabs) {
//--------------------------------------------
    if (!current_user_can('promote_users')) {
        unset($tabs['library']);
    }
    return $tabs;
}

?>

<?php
//-------------------------------------------------------------------
//        add custom tab to add_media screen
//-------------------------------------------------------------------

add_filter('media_upload_tabs',
                   'upload_test_media_menu');

//------------------------------------------
function upload_test_media_menu($tabs) {
//------------------------------------------

   $tabs['test_upload']='Test Upload';
   return $tabs;
}
//--------------------------------------------------
//   Needed script to make sure
//   wordpresses media upload scripts are inplace
//--------------------------------------------------
wp_enqueue_script('media-upload');


//---------------------------------------------
add_action('media_upload_test_upload',
                   'upload_test_menu_handle');

//---------------------------------------------
//      This is our form for the plugin
//---------------------------------------------
function upload_test_upload_handle () {
//---------------------------------------------

   media_upload_header();

?>
<div class="test-form">
Here's some stuff in our plugin
</div>

<?php }
  {

   return wp_iframe('upload_test_upload_form');
}



//---------------------------------------------
function upload_test_upload_form () {
//---------------------------------------------
media_upload_header();
?>
<div class="test-form">
<input type='text' id='name' />
<input id='insert_shortcode' type='button' class='button' value='Insert Shortcode'>
</div>
<?php }


//---------------------------------------------
function upload_test_scripts() {
//---------------------------------------------

$myStyleUrl = plugins_url('upload-media.css', __FILE__);
wp_register_style('myStyleSheets', $myStyleUrl);
wp_enqueue_style( 'myStyleSheets');

wp_deregister_script('jquery');
wp_register_script( 'jquery', 'http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js');
wp_enqueue_script( 'jquery' );

wp_deregister_script( 'upload-media-script' );
wp_register_script( 'upload-media-script', '/wp-content/plugins/upload-media/upload-media.js');
wp_enqueue_script( 'upload-media-script' );
}

?>

//------------------------------------
upload_media.js
//------------------------------------
(function ($) {
$(function () {
console.log('Our Plugin Works')
});
})(jQuery);

(function ($) {

    insertShortcode = function(name) {
    var win = window.dialogArguments || opener || parent || top;
    var shortcode='[testcode name='+name+']';
    win.send_to_editor(shortcode);
}

$(function () {

   $('#insert_shortcode').bind('click',function() {
   var name = $('#name').val();
   insertShortcode(name);});
});
})(jQuery);


<?php
//-------------------------------------------------------------------
//       Removes specified media tabs from the media uploader.
//-------------------------------------------------------------------

add_filter( 'media_upload_tabs', 'cwwp_remove_media_tabs' );

//----------------------------------------------
function cwwp_remove_media_tabs( $tabs ) {
//----------------------------------------------


    unset( $tabs['type'] ); // This removes the "From Computer" tab
    unset( $tabs['type_url'] ); // This removes the "From URL" tab
    unset( $tabs['gallery'] ); // This removes the "Gallery" tab
    unset( $tabs['library'] ); // This remove the "Media Library" tab

    return $tabs;

}
?>

<?php
//-------------------------------------------------------------------
//       show list of terms in custom taxonomy for post
//-------------------------------------------------------------------
$product_terms = wp_get_object_terms($post->ID, 'product');
if(!empty($product_terms)){
  if(!is_wp_error( $product_terms )){
    echo '<ul>';
    foreach($product_terms as $term){
      echo '<li><a href="'.get_term_link($term->slug, 'product').'">'.$term->name.'</a></li>';
    }
    echo '</ul>';
  }
}

?>

<?php
//-------------------------------------------------------------------
//         redirect 404 error page to custom template
//-------------------------------------------------------------------

//----------------------------------------------
function loadWordPressTemplate($template) {
//----------------------------------------------

    global $wp_query;

    if ($wp_query->is_404) {

        $wp_query->is_404 = false;
        $wp_query->is_archive = true;
    }

    header("HTTP/1.1 200 OK");
    include($template);
    exit;
}

//----------------------------------------------
function templateRedirect() {
//----------------------------------------------
    global $wp;

    if ($wp->request == 'some-custom-url-that-does-not-exist') {
        loadWordPressTemplate(TEMPLATEPATH . '/super-custom-template.php');
    }
}

//----------------------------------------------
add_action('template_redirect',
                  'templateRedirect');

?>

<?php

//-------------------------------------------------------------------
//           create popup window using thickbox
//-------------------------------------------------------------------

add_action('init', 'init_theme_method');

function init_theme_method() {
   add_thickbox();
}

?>

<div style="text-align:center;padding:20px;">

    <input alt="#TB_inline?height=300&amp;width=400&amp;inlineId=examplePopup1"

      title="add a caption to title attribute / or leave blank"
      class="thickbox" type="button"
      value="Show Thickbox Example Pop-up 1" />

</div>

<div id="examplePopup1" style="display:none">

      <h2>Example Pop-up Window 1</h2>

      <div style="float:left;padding:10px;">
         <img src="http://shibashake.com/wordpress-theme/wp-content/uploads/2010/03/bio1.jpg"
               width="150" height = "168"/>
      </div>

      I was born at DAZ Studio.
      They created me with utmost care and that is
      why I am the hottie that you see today.
      My interests include posing, trying out cute outfits,
      and more posing.

      <select name=""><option>test</option></select>

      <strong>Just click outside the pop-up to close it.</strong>
</div>


//--------------------------------------------------
add_action('template_redirect', 'add_scripts');

//-------------------------------------
function add_scripts() {
//-------------------------------------
    if (is_single('2794')) {
      add_thickbox();
    }
}

//-------------------------------------
function add_scripts() {
//-------------------------------------
    global $wp_query;
    if (!is_singular() || !$wp_query->post) return;

    //------------------------
    // Get post tags
    //------------------------
    $tags = wp_get_object_terms($wp_query->post->ID, 'post_tag');
    foreach ($tags as $tag) {
        if ($tag->name == "thickbox") {
            add_thickbox();
            break;
        }
    }
}
?>