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Make WordPress Core

Changeset 6958


Ignore:
Timestamp:
02/21/08 21:20:09 (8 years ago)
Author:
ryan
Message:

Dashboard widgets caching improvements from mdawaffe. see #5750

Location:
trunk/wp-admin
Files:
4 edited

Legend:

Unmodified
Added
Removed
  • trunk/wp-admin/css/dashboard.css

    r6928 r6958  
    255255    margin: 0 0 1em; 
    256256} 
     257 
     258.widget-loading { 
     259} 
  • trunk/wp-admin/includes/dashboard.php

    r6810 r6958  
    3333    ); 
    3434 
    35  
    3635    // Incoming Links Widget 
    3736    if ( !isset( $widget_options['dashboard_incoming_links'] ) ) { 
     
    4544    } 
    4645    wp_register_sidebar_widget( 'dashboard_incoming_links', __( 'Incoming Links' ), 'wp_dashboard_empty', 
    47         array( 'all_link' => $widget_options['dashboard_incoming_links']['link'], 'feed_link' => $widget_options['dashboard_incoming_links']['url'], 'width' => 'half' ) 
     46        array( 'all_link' => $widget_options['dashboard_incoming_links']['link'], 'feed_link' => $widget_options['dashboard_incoming_links']['url'], 'width' => 'half' ), 
     47        'wp_dashboard_cached_rss_widget', 'wp_dashboard_incoming_links_output' 
    4848    ); 
    4949    wp_register_widget_control( 'dashboard_incoming_links', __( 'Incoming Links' ), 'wp_dashboard_rss_control', array(), 
     
    5454    // WP Plugins Widget 
    5555    wp_register_sidebar_widget( 'dashboard_plugins', __( 'Plugins' ), 'wp_dashboard_empty', 
    56         array( 'all_link' => 'http://wordpress.org/extend/plugins/', 'feed_link' => 'http://wordpress.org/extend/plugins/rss/', 'width' => 'half' ) 
    57     ); 
    58     wp_register_widget_control( 'dashboard_plugins', __( 'Plugins' ), 'wp_dashboard_empty', array(), 
    59         array( 'widget_id' => 'dashboard_plugins' ) 
    60     ); 
    61  
     56        array( 'all_link' => 'http://wordpress.org/extend/plugins/', 'feed_link' => 'http://wordpress.org/extend/plugins/rss/', 'width' => 'half' ), 
     57        'wp_dashboard_cached_rss_widget', 'wp_dashboard_plugins_output', 
     58        array( 'http://wordpress.org/extend/plugins/rss/browse/popular/', 'http://wordpress.org/extend/plugins/rss/browse/new/', 'http://wordpress.org/extend/plugins/rss/browse/updated/' ) 
     59    ); 
    6260 
    6361    // Primary feed (Dev Blog) Widget 
     
    7573    } 
    7674    wp_register_sidebar_widget( 'dashboard_primary', $widget_options['dashboard_primary']['title'], 'wp_dashboard_empty', 
    77         array( 'all_link' => $widget_options['dashboard_primary']['link'], 'feed_link' => $widget_options['dashboard_primary']['url'], 'width' => 'half', 'class' => 'widget_rss' ) 
     75        array( 'all_link' => $widget_options['dashboard_primary']['link'], 'feed_link' => $widget_options['dashboard_primary']['url'], 'width' => 'half', 'class' => 'widget_rss' ), 
     76        'wp_dashboard_cached_rss_widget', 'wp_dashboard_rss_output' 
    7877    ); 
    7978    wp_register_widget_control( 'dashboard_primary', __( 'Primary Feed' ), 'wp_dashboard_rss_control', array(), 
     
    9392    } 
    9493    wp_register_sidebar_widget( 'dashboard_secondary', $widget_options['dashboard_secondary']['title'], 'wp_dashboard_empty', 
    95         array( 'all_link' => $widget_options['dashboard_secondary']['link'], 'feed_link' => $widget_options['dashboard_secondary']['url'], 'width' => 'full' ) 
     94        array( 'all_link' => $widget_options['dashboard_secondary']['link'], 'feed_link' => $widget_options['dashboard_secondary']['url'], 'width' => 'full' ), 
     95        'wp_dashboard_cached_rss_widget', 'wp_dashboard_secondary_output' 
    9696    ); 
    9797    wp_register_widget_control( 'dashboard_secondary', __( 'Secondary Feed' ), 'wp_dashboard_rss_control', array(), 
     
    9999    ); 
    100100 
     101 
     102        /* Dashboard Widget Template 
     103        wp_register_sidebar_widget( $widget_id (unique slug) , $widget_title, $output_callback, 
     104            array( 
     105                'all_link'  => full url for "See All" link, 
     106                'feed_link' => full url for "RSS" link, 
     107                'width'     => 'fourth', 'third', 'half', 'full' (defaults to 'half'), 
     108                'height'    => 'single', 'double' (defaults to 'single'), 
     109            ), 
     110            $wp_dashboard_empty_callback (only needed if using 'wp_dashboard_empty' as your $output_callback), 
     111            $arg, $arg, $arg... (further args passed to callbacks) 
     112        ); 
     113     
     114        // optional: if you want users to be able to edit the settings of your widget, you need to register a widget_control 
     115        wp_register_widget_control( $widget_id, $widget_control_title, $control_output_callback, 
     116            array(), // leave an empty array here: oddity in widget code 
     117            array( 
     118                'widget_id' => $widget_id, // Yes - again.  This is required: oddity in widget code 
     119                'arg'       => an arg to pass to the $control_output_callback, 
     120                'another'   => another arg to pass to the $control_output_callback, 
     121                ... 
     122            ) 
     123        ); 
     124        */ 
    101125 
    102126    // Hook to register new widgets 
     
    175199            $wp_registered_widgets[$widget_id]['callback'] = 'wp_dashboard_empty'; 
    176200            $sidebar_widget_name = $wp_registered_widget_controls[$widget_id]['name']; 
    177             $params[1] = $widget_id; 
     201            $params[1] = 'wp_dashbaord_trigger_widget_control'; 
    178202            $sidebar_before_widget .= '<form action="' . remove_query_arg( 'edit' )  . '" method="post">'; 
    179203            $sidebar_after_widget   = "<div class='dashboard-widget-submit'><input type='hidden' name='sidebar' value='wp_dashboard' /><input type='hidden' name='widget_id' value='$widget_id' /><input type='submit' value='" . __( 'Save' ) . "' /></div></form>$sidebar_after_widget"; 
     
    219243function wp_dashboard_recent_comments( $sidebar_args ) { 
    220244    global $comment; 
    221  
    222245    extract( $sidebar_args, EXTR_SKIP ); 
    223246 
     
    269292} 
    270293 
    271 // Empty widget used for JS/AJAX created output.  Also used when widget is in edit mode. 
    272 function wp_dashboard_empty( $sidebar_args, $widget_control_id = false ) { 
     294// $sidebar_args are handled by wp_dashboard_empty() 
     295function wp_dashboard_incoming_links_output() { 
     296    $widgets = get_option( 'dashboard_widget_options' ); 
     297    @extract( @$widgets['dashboard_incoming_links'], EXTR_SKIP ); 
     298    $rss = @fetch_rss( $url ); 
     299    if ( isset($rss->items) && 1 < count($rss->items) )  {// Technorati returns a 1-item feed when it has no results 
     300 
     301        echo "<ul>\n"; 
     302 
     303        $rss->items = array_slice($rss->items, 0, $items); 
     304        foreach ( $rss->items as $item ) { 
     305            $publisher = ''; 
     306            $site_link = ''; 
     307            $link = ''; 
     308            $content = ''; 
     309            $date = ''; 
     310            $link = clean_url( strip_tags( $item['link'] ) ); 
     311         
     312            if ( isset( $item['author_uri'] ) ) 
     313                $site_link = clean_url( strip_tags( $item['author_uri'] ) ); 
     314         
     315            if ( !$publisher = wp_specialchars( strip_tags( isset($item['dc']['publisher']) ? $item['dc']['publisher'] : $item['author_name'] ) ) ) 
     316                $publisher = __( 'Somebody' ); 
     317            if ( $site_link ) 
     318                $publisher = "<a href='$site_link'>$publisher</a>"; 
     319            else 
     320                $publisher = "<strong>$publisher</strong>"; 
     321         
     322            if ( isset($item['description']) ) 
     323                $content = $item['description']; 
     324            elseif ( isset($item['summary']) ) 
     325                $content = $item['summary']; 
     326            elseif ( isset($item['atom_content']) ) 
     327                $content = $item['atom_content']; 
     328            else 
     329                $content = __( 'something' ); 
     330            $content = strip_tags( $content ); 
     331            if ( 50 < strlen($content) ) 
     332                $content = substr($content, 0, 50) . ' ...'; 
     333            $content = wp_specialchars( $content ); 
     334            if ( $link ) 
     335                $text = _c( '%1$s linked here <a href="%2$s">saying</a>, "%3$s"|feed_display' ); 
     336            else 
     337                $text = _c( '%1$s linked here saying, "%3$s"|feed_display' ); 
     338         
     339            if ( $show_date ) { 
     340                if ( $show_author || $show_summary ) 
     341                    $text .= _c( ' on %4$s|feed_display' ); 
     342                $date = wp_specialchars( strip_tags( isset($item['pubdate']) ? $item['pubdate'] : $item['published'] ) ); 
     343                $date = strtotime( $date ); 
     344                $date = gmdate( get_option( 'date_format' ), $date ); 
     345            } 
     346         
     347            echo "\t<li>" . sprintf( _c( "$text|feed_display" ), $publisher, $link, $content, $date ) . "</li>\n"; 
     348        } 
     349 
     350        echo "</ul>\n"; 
     351 
     352    } else { 
     353        echo '<p>' . __('No incoming links found... yet.') . "</p>\n"; 
     354    } 
     355} 
     356 
     357// $sidebar_args are handled by wp_dashboard_empty() 
     358function wp_dashboard_rss_output( $widget_id ) { 
     359    $widgets = get_option( 'dashboard_widget_options' ); 
     360    wp_widget_rss_output( $widgets[$widget_id] ); 
     361} 
     362 
     363// $sidebar_args are handled by wp_dashboard_empty() 
     364function wp_dashboard_secondary_output() { 
     365    $widgets = get_option( 'dashboard_widget_options' ); 
     366    @extract( @$widgets['dashboard_secondary'], EXTR_SKIP ); 
     367    $rss = @fetch_rss( $url ); 
     368    if ( !isset($rss->items) || 0 == count($rss->items) ) 
     369        return false; 
     370 
     371    echo "<ul>\n"; 
     372 
     373    $rss->items = array_slice($rss->items, 0, $items); 
     374    foreach ($rss->items as $item ) { 
     375        $title = wp_specialchars($item['title']); 
     376        $author = preg_replace( '|(.+?):.+|s', '$1', $item['title'] ); 
     377        $post = preg_replace( '|.+?:(.+)|s', '$1', $item['title'] ); 
     378        $link = clean_url($item['link']); 
     379 
     380        echo "\t<li><a href='$link'><span class='post'>$post</span><span class='hidden'> - </span><cite>$author</cite></a></li>\n"; 
     381    } 
     382 
     383    echo "</ul>\n<br class='clear' />\n"; 
     384} 
     385 
     386// $sidebar_args are handled by wp_dashboard_empty() 
     387function wp_dashboard_plugins_output() { 
     388    $popular = @fetch_rss( 'http://wordpress.org/extend/plugins/rss/browse/popular/' ); 
     389    $new     = @fetch_rss( 'http://wordpress.org/extend/plugins/rss/browse/new/' ); 
     390    $updated = @fetch_rss( 'http://wordpress.org/extend/plugins/rss/browse/updated/' ); 
     391 
     392    foreach ( array( 'popular' => __('Most Popular'), 'new' => __('Newest Plugins'), 'updated' => __('Recently Updated') ) as $feed => $label ) { 
     393        if ( !isset($$feed->items) || 0 == count($$feed->items) ) 
     394            continue; 
     395 
     396        $$feed->items = array_slice($$feed->items, 0, 5); 
     397        $item_key = array_rand($$feed->items); 
     398 
     399        // Eliminate some common badly formed plugin descriptions 
     400        while ( ( null !== $item_key = array_rand($$feed->items) ) && false !== strpos( $$feed->items[$item_key]['description'], 'Plugin Name:' ) ) 
     401            unset($$feed->items[$item_key]); 
     402 
     403        if ( !isset($$feed->items[$item_key]) ) 
     404            continue; 
     405 
     406        $item = $$feed->items[$item_key]; 
     407 
     408        // current bbPress feed item titles are: user on "topic title" 
     409        if ( preg_match( '/"(.*)"/s', $item['title'], $matches ) ) 
     410            $title = $matches[1]; 
     411        else // but let's make it forward compatible if things change 
     412            $title = $item['title']; 
     413        $title = wp_specialchars( $title ); 
     414 
     415        $description = wp_specialchars( strip_tags(html_entity_decode($item['description'], ENT_QUOTES)) ); 
     416 
     417        list($link, $frag) = explode( '#', $item['link'] ); 
     418 
     419        $link = clean_url($link); 
     420        $dlink = rtrim($link, '/') . '/download/'; 
     421 
     422        echo "<h4>$label</h4>\n"; 
     423        echo "<h5><a href='$link'>$title</a></h5> <span>(<a href='$dlink'>" . __( 'Download' ) . "</a>)</span>\n"; 
     424        echo "<p>$description</p>\n"; 
     425    } 
     426} 
     427 
     428// Checks to see if all of the feed url in $check_urls are cached. 
     429// If $check_urls is empty, look for the rss feed url found in the dashboard widget optios of $widget_id. 
     430// If cached, call $callback, a function that echoes out output for this widget. 
     431// If not cache, echo a "Loading..." stub which is later replaced by AJAX call (see top of /wp-admin/index.php) 
     432function wp_dashboard_cached_rss_widget( $widget_id, $callback, $check_urls = array() ) { 
     433    $loading = '<p class="widget-loading">' . __( 'Loading&#8230;' ) . '</p>'; 
     434 
     435    if ( empty($check_urls) ) { 
     436        $widgets = get_option( 'dashboard_widget_options' ); 
     437        if ( empty($widgets[$widget_id]['url']) ) { 
     438            echo $loading; 
     439            return false; 
     440        } 
     441        $check_urls = array( $widgets[$widget_id]['url'] ); 
     442    } 
     443 
     444 
     445    require_once( ABSPATH . WPINC . '/rss.php' ); 
     446    init(); // initialize rss constants 
     447 
     448    $cache = new RSSCache( MAGPIE_CACHE_DIR, MAGPIE_CACHE_AGE ); 
     449 
     450    foreach ( $check_urls as $check_url ) { 
     451        $status = $cache->check_cache( $check_url ); 
     452        if ( 'HIT' !== $status ) { 
     453            echo $loading; 
     454            return false; 
     455        } 
     456    } 
     457 
     458    if ( $callback && is_callable( $callback ) ) { 
     459        $args = array_slice( func_get_args(), 2 ); 
     460        array_unshift( $args, $widget_id ); 
     461        call_user_func_array( $callback, $args ); 
     462    } 
     463 
     464    return true; 
     465} 
     466 
     467// Empty widget used for JS/AJAX created output. 
     468// Callback inserts content between before_widget and after_widget.  Used when widget is in edit mode.  Can also be used for custom widgets. 
     469function wp_dashboard_empty( $sidebar_args, $callback = false ) { 
    273470    extract( $sidebar_args, EXTR_SKIP ); 
    274471 
     
    279476    echo $after_title; 
    280477 
    281     if ( $widget_control_id ) // If in edit mode 
    282         wp_dashbaord_trigger_widget_control( $widget_control_id ); 
     478    // When in edit mode, the callback passed to this function is the widget_control callback 
     479    if ( $callback && is_callable( $callback ) ) { 
     480        $args = array_slice( func_get_args(), 2 ); 
     481        array_unshift( $args, $widget_id ); 
     482        call_user_func_array( $callback, $args ); 
     483    } 
    283484 
    284485    echo $after_widget; 
  • trunk/wp-admin/index-extra.php

    r6928 r6958  
    11<?php 
    22require_once('admin.php'); 
     3require( 'includes/dashboard.php' ); 
    34require_once (ABSPATH . WPINC . '/rss.php'); 
    45 
    56@header('Content-Type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset')); 
    67 
    7 $widgets = get_option( 'dashboard_widget_options' ); 
    8  
    9  
    108switch ( $_GET['jax'] ) { 
    119 
    1210case 'incominglinks' : 
    13 @extract( @$widgets['dashboard_incoming_links'], EXTR_SKIP ); 
    14 $rss = @fetch_rss( $url ); 
    15 if ( isset($rss->items) && 1 < count($rss->items) ) { // Technorati returns a 1-item feed when it has no results 
    16 ?> 
    17  
    18 <ul> 
    19 <?php 
    20 $rss->items = array_slice($rss->items, 0, $items); 
    21 foreach ($rss->items as $item ) { 
    22     $publisher = ''; 
    23     $site_link = ''; 
    24     $link = ''; 
    25     $content = ''; 
    26     $date = ''; 
    27     $link = clean_url( strip_tags( $item['link'] ) ); 
    28  
    29     if ( isset( $item['author_uri'] ) ) 
    30         $site_link = clean_url( strip_tags( $item['author_uri'] ) ); 
    31  
    32     if ( !$publisher = wp_specialchars( strip_tags( isset($item['dc']['publisher']) ? $item['dc']['publisher'] : $item['author_name'] ) ) ) 
    33         $publisher = __( 'Somebody' ); 
    34     if ( $site_link ) 
    35         $publisher = "<a href='$site_link'>$publisher</a>"; 
    36     else 
    37         $publisher = "<strong>$publisher</strong>"; 
    38  
    39     if ( isset($item['description']) ) 
    40         $content = $item['description']; 
    41     elseif ( isset($item['summary']) ) 
    42         $content = $item['summary']; 
    43     elseif ( isset($item['atom_content']) ) 
    44         $content = $item['atom_content']; 
    45     else 
    46         $content = __( 'something' ); 
    47     $content = strip_tags( $content ); 
    48     if ( 50 < strlen($content) ) 
    49         $content = substr($content, 0, 50) . ' ...'; 
    50     $content = wp_specialchars( $content ); 
    51     if ( $link ) 
    52         $text = _c( '%1$s linked here <a href="%2$s">saying</a>, "%3$s"|feed_display' ); 
    53     else 
    54         $text = _c( '%1$s linked here saying, "%3$s"|feed_display' ); 
    55  
    56     if ( $show_date ) { 
    57         if ( $show_author || $show_summary ) 
    58             $text .= _c( ' on %4$s|feed_display' ); 
    59         $date = wp_specialchars( strip_tags( isset($item['pubdate']) ? $item['pubdate'] : $item['published'] ) ); 
    60         $date = strtotime( $date ); 
    61         $date = gmdate( get_option( 'date_format' ), $date ); 
    62     } 
    63  
    64 ?> 
    65     <li><?php printf( _c( "$text|feed_display" ), $publisher, $link, $content, $date ); ?></li> 
    66 <?php } ?> 
    67 </ul> 
    68 <?php 
    69 } else { 
    70 ?> 
    71 <p><?php _e('No incoming links found... yet.'); ?></p> 
    72 <?php 
    73 } 
    74 break; 
     11    wp_dashboard_incoming_links_output(); 
     12    break; 
    7513 
    7614case 'devnews' : 
    77 wp_widget_rss_output( $widgets['dashboard_primary'] ); 
    78 break; 
     15    wp_dashboard_rss_output( 'dashboard_primary' ); 
     16    break; 
    7917 
    8018case 'planetnews' : 
    81 extract( $widgets['dashboard_secondary'], EXTR_SKIP ); 
    82 $rss = @fetch_rss( $url ); 
    83 if ( isset($rss->items) && 0 != count($rss->items) ) { 
    84 ?> 
    85 <ul> 
    86 <?php 
    87 $rss->items = array_slice($rss->items, 0, $items); 
    88 foreach ($rss->items as $item ) { 
    89 $title = wp_specialchars($item['title']); 
    90 $author = preg_replace( '|(.+?):.+|s', '$1', $item['title'] ); 
    91 $post = preg_replace( '|.+?:(.+)|s', '$1', $item['title'] ); 
    92 ?> 
    93 <li><a href='<?php echo wp_filter_kses($item['link']); ?>'><span class="post"><?php echo $post; ?></span><span class="hidden"> - </span><cite><?php echo $author; ?></cite></a></li> 
    94 <?php 
    95     } 
    96 ?> 
    97 </ul> 
    98 <br class="clear" /> 
    99 <?php 
    100 } 
    101 break; 
     19    wp_dashboard_secondary_output(); 
     20    break; 
    10221 
    10322case 'plugins' : 
    104 $popular = @fetch_rss( 'http://wordpress.org/extend/plugins/rss/browse/popular/' ); 
    105 $new     = @fetch_rss( 'http://wordpress.org/extend/plugins/rss/browse/new/' ); 
    106 $updated = @fetch_rss( 'http://wordpress.org/extend/plugins/rss/browse/updated/' ); 
    107  
    108 foreach ( array( 'popular' => __('Most Popular'), 'new' => __('Newest Plugins'), 'updated' => __('Recently Updated') ) as $feed => $label ) : 
    109     if ( !isset($$feed->items) || 0 == count($$feed->items) ) 
    110         continue; 
    111  
    112     $$feed->items = array_slice($$feed->items, 0, 5); 
    113     $item_key = array_rand($$feed->items); 
    114  
    115     // Eliminate some common badly formed plugin descriptions 
    116     while ( ( null !== $item_key = array_rand($$feed->items) ) && false !== strpos( $$feed->items[$item_key]['description'], 'Plugin Name:' ) ) 
    117         unset($$feed->items[$item_key]); 
    118  
    119     if ( !isset($$feed->items[$item_key]) ) 
    120         continue; 
    121  
    122     $item = $$feed->items[$item_key]; 
    123  
    124     // current bbPress feed item titles are: user on "topic title" 
    125     if ( preg_match( '/"(.*)"/s', $item['title'], $matches ) ) 
    126         $title = $matches[1]; 
    127     else // but let's make it forward compatible if things change 
    128         $title = $item['title']; 
    129     $title = wp_specialchars( $title ); 
    130  
    131     $description = wp_specialchars( strip_tags(html_entity_decode($item['description'], ENT_QUOTES)) ); 
    132  
    133     list($link, $frag) = explode( '#', $item['link'] ); 
    134  
    135     $link = clean_url($link); 
    136     $dlink = rtrim($link, '/') . '/download/'; 
    137  
    138 ?> 
    139  
    140 <h4><?php echo $label; ?></h4> 
    141 <h5><a href="<?php echo $link; ?>"><?php echo $title; ?></a></h5> <span>(<a href="<?php echo $dlink; ?>"><?php _e( 'Download' ); ?></a>)</span> 
    142  
    143 <p><?php echo $description; ?></p> 
    144  
    145 <?php 
    146  
    147 endforeach; 
    148 break; 
     23    wp_dashboard_plugins_output(); 
     24    break; 
    14925 
    15026} 
  • trunk/wp-admin/index.php

    r6928 r6958  
    1111<script type="text/javascript"> 
    1212    jQuery(function() { 
    13         jQuery('#dashboard_incoming_links div.dashboard-widget-content').not( '.dashboard-widget-control' ).load('index-extra.php?jax=incominglinks'); 
    14         jQuery('#dashboard_primary div.dashboard-widget-content').not( '.dashboard-widget-control' ).load('index-extra.php?jax=devnews'); 
    15         jQuery('#dashboard_secondary div.dashboard-widget-content').not( '.dashboard-widget-control' ).load('index-extra.php?jax=planetnews'); 
    16         jQuery('#dashboard_plugins div.dashboard-widget-content').not( '.dashboard-widget-control' ).load('index-extra.php?jax=plugins'); 
     13        jQuery('#dashboard_incoming_links div.dashboard-widget-content').not( '.dashboard-widget-control' ).find( '.widget-loading' ).parent().load('index-extra.php?jax=incominglinks'); 
     14        jQuery('#dashboard_primary div.dashboard-widget-content').not( '.dashboard-widget-control' ).find( '.widget-loading' ).parent().load('index-extra.php?jax=devnews'); 
     15        jQuery('#dashboard_secondary div.dashboard-widget-content').not( '.dashboard-widget-control' ).find( '.widget-loading' ).parent().load('index-extra.php?jax=planetnews'); 
     16        jQuery('#dashboard_plugins div.dashboard-widget-content').not( '.dashboard-widget-control' ).find( '.widget-loading' ).parent().load('index-extra.php?jax=plugins'); 
    1717    }); 
    1818</script> 
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