PHP Overlay类代码示例

 /**
  * list articles
  *
  * @param resource the SQL result
  * @return string the rendered text
  *
  * @see layouts/layout.php
  **/
 function layout($result)
 {
     global $context;
     // we return some text
     $text = '';
     // empty list
     if (!SQL::count($result)) {
         return $text;
     }
     // clear flows
     $text .= '<br style="clear: left" />';
     // process all items in the list
     while ($item = SQL::fetch($result)) {
         // get the related overlay
         $overlay = Overlay::load($item, 'article:' . $item['id']);
         // the url to view this item
         $url = Articles::get_permalink($item);
         // use the title to label the link
         if (is_object($overlay)) {
             $title = Codes::beautify_title($overlay->get_text('title', $item));
         } else {
             $title = Codes::beautify_title($item['title']);
         }
         // the hovering title
         if ($item['introduction'] && $context['skins_with_details'] == 'Y') {
             $hover = strip_tags(Codes::beautify_introduction($item['introduction']));
         } else {
             $hover = i18n::s('View the page');
         }
         // title is a link to the target article
         $title =& Skin::build_link($url, $title, 'basic', $hover);
         // use the thumbnail for this article
         if ($icon = trim($item['thumbnail_url'])) {
             // fix relative path
             if (!preg_match('/^(\\/|http:|https:|ftp:)/', $icon)) {
                 $icon = $context['url_to_root'] . $icon;
             }
             // use parameter of the control panel for this one
             $options = '';
             if (isset($context['classes_for_thumbnail_images'])) {
                 $options = 'class="' . $context['classes_for_thumbnail_images'] . '" ';
             }
             // build the complete HTML element
             $icon = '<img src="' . $icon . '" alt="" title="' . encode_field($hover) . '" ' . $options . ' />';
             // use default icon if nothing to display
         } else {
             $icon = MAP_IMG;
         }
         // use the image as a link to the target page
         $icon =& Skin::build_link($url, $icon, 'basic', $hover);
         // add a floating box
         $text .= Skin::build_box($title, $icon, 'floating');
     }
     // clear flows
     $text .= '<br style="clear: left" />';
     // end of processing
     SQL::free($result);
     return $text;
 }

 public function __toString()
 {
     $parent_string = parent::__toString();
     $output = array();
     $output[] = sprintf("<PhotoOverlay%s>", isset($this->id) ? sprintf(" id=\"%s\"", $this->id) : "");
     $output[] = $parent_string;
     $output[] = "</PhotoOverlay>";
     return implode("\n", $output);
 }

 public function __toString()
 {
     $parent_string = parent::__toString();
     $output = array();
     $output[] = sprintf("<GroundOverlay%s>", isset($this->id) ? sprintf(" id=\"%s\"", $this->id) : "");
     $output[] = $parent_string;
     if (isset($this->altitude)) {
         $output[] = sprintf("\t<altitude>%f</altitude>", $this->altitude);
     }
     if (isset($this->altitudeMode)) {
         $output[] = $this->altitudeMode->__toString();
     }
     if (isset($this->latLonBox)) {
         $output[] = $this->latLonBox->__toString();
     }
     $output[] = "</GroundOverlay>";
     return implode("\n", $output);
 }

 /**
  * list sections
  *
  * @param resource the SQL result
  * @return string the rendered text
  *
  * @see layouts/layout.php
  **/
 function layout($result)
 {
     global $context;
     // we return some text
     $text = '';
     // empty list
     if (!SQL::count($result)) {
         return $text;
     }
     // process all items in the list
     while ($item = SQL::fetch($result)) {
         // get the related overlay
         $overlay = Overlay::load($item, 'section:' . $item['id']);
         // more text
         $text .= Sections::to_xml($item, $overlay);
     }
     // end of processing
     SQL::free($result);
     return $text;
 }

function Overlay_home_response_content($params)
{
    $countries = array();
    $files = glob(APP_WEB_DIR . DS . 'img' . DS . 'squareflags' . DS . '*');
    foreach ($files as $file) {
        $basename = basename($file);
        $src = Q_Request::baseUrl() . "/img/squareflags/{$basename}";
        $src = str_replace(' ', '%20', $src);
        if (empty($firstCountrySrc)) {
            $firstCountrySrc = $src;
        }
        $parts = explode('.', $basename);
        $parts2 = explode('_', $parts[0]);
        foreach ($parts2 as &$v) {
            $v = strtoupper($v[0]) . substr($v, 1);
        }
        $countries[$src] = implode(' ', $parts2);
    }
    $counter = Overlay::counter();
    $proxyHost = 'http://' . $_SERVER['HTTP_HOST'] . ':' . Q_Config::get('Q', 'node', 'port', '80');
    Q_Response::setScriptData('Overlay.proxyHost', $proxyHost);
    return Q::view('Overlay/content/home.php', compact('countries', 'firstCountrySrc', 'counter'));
}

 public function __toString()
 {
     $parent_string = parent::__toString();
     $output = array();
     $output[] = sprintf("<ScreenOverlay%s>", isset($this->id) ? sprintf(" id=\"%s\"", $this->id) : "");
     $output[] = $parent_string;
     if (isset($this->rotation)) {
         $output[] = sprintf("\t<rotation>%s</rotation>", $this->rotation);
     }
     if (isset($this->overlayXY)) {
         $output[] = sprintf("\t<overlayXY %s />", (string) $this->overlayXY);
     }
     if (isset($this->screenXY)) {
         $output[] = sprintf("\t<screenXY %s />", (string) $this->screenXY);
     }
     if (isset($this->rotationXY)) {
         $output[] = sprintf("\t<rotationXY %s />", (string) $this->rotationXY);
     }
     if (isset($this->size)) {
         $output[] = sprintf("\t<size %s />", (string) $this->size);
     }
     $output[] = "</ScreenOverlay>";
     return implode("\n", $output);
 }

 /**
  * list articles
  *
  * @param resource the SQL result
  * @return array
  *
  * @see layouts/layout.php
  **/
 function layout($result)
 {
     global $context;
     // we return an array of ($url => $attributes)
     $items = array();
     // empty list
     if (!SQL::count($result)) {
         return $items;
     }
     // process all items in the list
     while ($item = SQL::fetch($result)) {
         // get the related overlay, if any
         $overlay = Overlay::load($item, 'category:' . $item['id']);
         // get the anchor
         $anchor = Anchors::get($item['anchor']);
         // provide an absolute link
         $url = Categories::get_permalink($item);
         // build a title
         if (is_object($overlay)) {
             $title = Codes::beautify_title($overlay->get_text('title', $item));
         } else {
             $title = Codes::beautify_title($item['title']);
         }
         // time of last update
         $time = SQL::strtotime($item['edit_date']);
         // the section
         $root = '';
         if ($item['anchor'] && ($anchor = Anchors::get($item['anchor']))) {
             $root = ucfirst(trim(strip_tags(Codes::beautify_title($anchor->get_title()))));
         }
         // the icon to use
         $icon = '';
         if ($item['thumbnail_url']) {
             $icon = $item['thumbnail_url'];
         } elseif ($item['anchor'] && ($anchor = Anchors::get($item['anchor'])) && is_callable($anchor, 'get_bullet_url')) {
             $icon = $anchor->get_bullet_url();
         }
         if ($icon) {
             $icon = $context['url_to_home'] . $context['url_to_root'] . $icon;
         }
         // the author(s) is an e-mail address, according to rss 2.0 spec
         $author = '';
         if (isset($item['create_address'])) {
             $author .= $item['create_address'];
         }
         if (isset($item['create_name']) && trim($item['create_name'])) {
             $author .= ' (' . $item['create_name'] . ')';
         }
         if (isset($item['edit_address']) && trim($item['edit_address']) && $item['create_address'] != $item['edit_address']) {
             if ($author) {
                 $author .= ', ';
             }
             $author .= $item['edit_address'];
             if (isset($item['edit_name']) && trim($item['edit_name'])) {
                 $author .= ' (' . $item['edit_name'] . ')';
             }
         }
         // list all components for this item
         $items[$url] = array($time, $title, $author, $root, $icon, '', '', '');
     }
     // end of processing
     SQL::free($result);
     return $items;
 }

 /**
  * list articles
  *
  * @param resource the SQL result
  * @return string the rendered text
  *
  * @see layouts/layout.php
  **/
 function layout($result)
 {
     global $context;
     // we return some text
     $text = '';
     // empty list
     if (!SQL::count($result)) {
         return $text;
     }
     // the script used to check all pages at once
     Page::insert_script('function cascade_selection_to_all_article_rows(handle) {' . "\n" . '	$("div#articles_panel input[type=\'checkbox\'].row_selector").each(' . "\n" . '		function() { $(this).attr("checked", $(handle).is(":checked"));}' . "\n" . '	);' . "\n" . '}' . "\n");
     // table prefix
     $text .= Skin::table_prefix('yc-grid');
     // table headers
     $main = '<input type="checkbox" class="row_selector" onclick="cascade_selection_to_all_article_rows(this);" />';
     $cells = array($main, i18n::s('Page'), i18n::s('Rank'));
     $text .= Skin::table_row($cells, 'header');
     // process all items in the list
     include_once $context['path_to_root'] . 'comments/comments.php';
     include_once $context['path_to_root'] . 'links/links.php';
     $count = 0;
     while ($item = SQL::fetch($result)) {
         $cells = array();
         // get the related overlay, if any
         $overlay = Overlay::load($item, 'article:' . $item['id']);
         // get the main anchor
         $anchor = Anchors::get($item['anchor']);
         // the url to view this item
         $url = Articles::get_permalink($item);
         // column to select the row
         $cells[] = '<input type="checkbox" name="selected_articles[]" id="article_selector_' . $count . '" class="row_selector" value="' . $item['id'] . '" />';
         // use the title to label the link
         if (is_object($overlay)) {
             $title = Codes::beautify_title($overlay->get_text('title', $item));
         } else {
             $title = Codes::beautify_title($item['title']);
         }
         // initialize variables
         $prefix = $suffix = $icon = '';
         // flag sticky pages
         if ($item['rank'] < 10000) {
             $prefix .= STICKY_FLAG;
         }
         // signal locked articles
         if (isset($item['locked']) && $item['locked'] == 'Y') {
             $suffix .= ' ' . LOCKED_FLAG;
         }
         // flag articles that are dead, or created or updated very recently
         if ($item['expiry_date'] > NULL_DATE && $item['expiry_date'] <= $context['now']) {
             $prefix .= EXPIRED_FLAG;
         } elseif ($item['create_date'] >= $context['fresh']) {
             $suffix .= ' ' . NEW_FLAG;
         } elseif ($item['edit_date'] >= $context['fresh']) {
             $suffix .= ' ' . UPDATED_FLAG;
         }
         // signal articles to be published
         if ($item['publish_date'] <= NULL_DATE || $item['publish_date'] > gmstrftime('%Y-%m-%d %H:%M:%S')) {
             $prefix .= DRAFT_FLAG;
         }
         // signal restricted and private articles
         if ($item['active'] == 'N') {
             $prefix .= PRIVATE_FLAG;
         } elseif ($item['active'] == 'R') {
             $prefix .= RESTRICTED_FLAG;
         }
         // the introductory text
         if (is_object($overlay)) {
             $introduction = $overlay->get_text('introduction', $item);
         } else {
             $introduction = $item['introduction'];
         }
         if ($introduction) {
             $suffix .= BR . Codes::beautify_introduction($introduction);
         }
         // insert overlay data, if any
         if (is_object($overlay)) {
             $suffix .= $overlay->get_text('list', $item);
         }
         // append details to the suffix
         $suffix .= BR . '<span class="details">';
         // details
         $details = array();
         // the author
         if (isset($context['with_author_information']) && $context['with_author_information'] == 'Y') {
             if ($item['create_name'] != $item['edit_name']) {
                 $details[] = sprintf(i18n::s('by %s, %s'), $item['create_name'], $item['edit_name']);
             } else {
                 $details[] = sprintf(i18n::s('by %s'), $item['create_name']);
             }
         }
         // the last action
         $details[] = Anchors::get_action_label($item['edit_action']) . ' ' . Skin::build_date($item['edit_date']);
//.........这里部分代码省略.........

} elseif (isset($context['arguments'][0])) {
    $id = $context['arguments'][0];
}
$id = strip_tags($id);
// get the item from the database
$item = Articles::get($id);
// get the related anchor, if any
$anchor = NULL;
if (isset($item['anchor']) && $item['anchor']) {
    $anchor = Anchors::get($item['anchor']);
}
// get poll data
include_once '../overlay.php';
$overlay = NULL;
if (isset($item['overlay'])) {
    $overlay = Overlay::load($item, 'article:' . $item['id']);
}
// look for the vote
$vote = '';
if (isset($_REQUEST['vote'])) {
    $vote = $_REQUEST['vote'];
}
if (isset($context['arguments'][1])) {
    $vote = $context['arguments'][1];
}
$vote = strip_tags($vote);
// next url
$next = '';
if (isset($_REQUEST['next'])) {
    $next = $_REQUEST['next'];
}

 /**
  * list articles
  *
  * @param resource the SQL result
  * @return string
  *
  * @see layouts/layout.php
  **/
 function layout($result)
 {
     global $context;
     // we return some text
     $text = '';
     // empty list
     if (!SQL::count($result)) {
         return $text;
     }
     // sanity check
     if (!isset($this->focus)) {
         $this->focus = NULL;
     }
     // process all items in the list
     include_once $context['path_to_root'] . 'comments/comments.php';
     include_once $context['path_to_root'] . 'links/links.php';
     $odd = TRUE;
     while ($item = SQL::fetch($result)) {
         // get the related overlay
         $overlay = Overlay::load($item, 'article:' . $item['id']);
         // get the anchor
         $anchor = Anchors::get($item['anchor']);
         // the url to view this item
         $url = Articles::get_permalink($item);
         // build a title
         if (is_object($overlay)) {
             $title = Codes::beautify_title($overlay->get_text('title', $item));
         } else {
             $title = Codes::beautify_title($item['title']);
         }
         // initialize variables
         $prefix = $suffix = $icon = '';
         // flag articles that are dead, or created or updated very recently
         if ($item['expiry_date'] > NULL_DATE && $item['expiry_date'] <= $context['now']) {
             $prefix .= EXPIRED_FLAG;
         }
         // signal articles to be published
         if ($item['publish_date'] <= NULL_DATE || $item['publish_date'] > $context['now']) {
             $prefix .= DRAFT_FLAG;
         }
         // signal restricted and private articles
         if ($item['active'] == 'N') {
             $prefix .= PRIVATE_FLAG;
         } elseif ($item['active'] == 'R') {
             $prefix .= RESTRICTED_FLAG;
         }
         // some details
         $details = array();
         // info on related files --optional
         if ($count = Files::count_for_anchor('article:' . $item['id'], TRUE)) {
             $details[] = sprintf(i18n::ns('%d file', '%d files', $count), $count);
         }
         // info on related comments --mandatory
         if ($count = Comments::count_for_anchor('article:' . $item['id'], FALSE)) {
             $details[] = sprintf(i18n::ns('%d comment', '%d comments', $count), $count);
         }
         // info on related links --optional
         if ($count = Links::count_for_anchor('article:' . $item['id'], TRUE)) {
             $details[] = sprintf(i18n::ns('%d link', '%d links', $count), $count);
         }
         // details
         if (count($details)) {
             $suffix .= ' <span class="details">(' . ucfirst(implode(', ', $details)) . ')</span>';
         }
         // flag popular pages
         if ($item['hits'] > 300) {
             $suffix .= POPULAR_FLAG;
         }
         // last contribution
         if ($item['edit_action']) {
             $action = Anchors::get_action_label($item['edit_action']) . ' ';
         } else {
             $action = i18n::s('edited');
         }
         if ($item['edit_name']) {
             $suffix .= '<br /><span class="details">' . sprintf(i18n::s('%s by %s %s'), $action, Users::get_link($item['edit_name'], $item['edit_address'], $item['edit_id']), Skin::build_date($item['edit_date'])) . '</span>';
         } else {
             $suffix .= '<br /><span class="details">' . $action . ' ' . Skin::build_date($item['edit_date']) . '</span>';
         }
         // flag articles updated recently
         if ($item['create_date'] >= $context['fresh']) {
             $suffix .= NEW_FLAG;
         } elseif ($item['edit_date'] >= $context['fresh']) {
             $suffix .= UPDATED_FLAG;
         }
         // insert overlay data, if any
         if (is_object($overlay)) {
             $suffix .= $overlay->get_text('list', $item, $this->focus);
         }
         // the hovering title
         if ($item['introduction'] && $context['skins_with_details'] == 'Y') {
             $hover = strip_tags(Codes::beautify_introduction($item['introduction']));
//.........这里部分代码省略.........

 /**
  * list sections as topics in a forum
  *
  * @param resource the SQL result
  * @return string the rendered text
  **/
 function layout($result)
 {
     global $context;
     // empty list
     if (!SQL::count($result)) {
         $output = array();
         return $output;
     }
     // layout in a table
     $text = Skin::table_prefix('wide');
     // 'even' is used for title rows, 'odd' for detail rows
     $class_title = 'odd';
     $class_detail = 'even';
     // build a list of sections
     $family = '';
     include_once $context['path_to_root'] . 'comments/comments.php';
     include_once $context['path_to_root'] . 'links/links.php';
     while ($item = SQL::fetch($result)) {
         // change the family
         if ($item['family'] != $family) {
             $family = $item['family'];
             // show the family
             $text .= Skin::table_suffix() . '<h2><span>' . $family . '&nbsp;</span></h2>' . "\n" . Skin::table_prefix('wide');
         }
         // get the related overlay, if any
         $overlay = Overlay::load($item, 'section:' . $item['id']);
         // get the main anchor
         $anchor = Anchors::get($item['anchor']);
         // reset everything
         $prefix = $label = $suffix = $icon = '';
         // signal restricted and private sections
         if ($item['active'] == 'N') {
             $prefix .= PRIVATE_FLAG;
         } elseif ($item['active'] == 'R') {
             $prefix .= RESTRICTED_FLAG;
         }
         // indicate the id in the hovering popup
         $hover = i18n::s('View the section');
         if (Surfer::is_member()) {
             $hover .= ' [section=' . $item['id'] . ']';
         }
         // the url to view this item
         $url = Sections::get_permalink($item);
         // use the title to label the link
         if (is_object($overlay)) {
             $title = Codes::beautify_title($overlay->get_text('title', $item));
         } else {
             $title = Codes::beautify_title($item['title']);
         }
         // use the title as a link to the page
         $title =& Skin::build_link($url, $title, 'basic', $hover);
         // flag sections updated recently
         if ($item['expiry_date'] > NULL_DATE && $item['expiry_date'] <= $context['now']) {
             $suffix = EXPIRED_FLAG . ' ';
         } elseif ($item['create_date'] >= $context['fresh']) {
             $suffix = NEW_FLAG . ' ';
         } elseif ($item['edit_date'] >= $context['fresh']) {
             $suffix = UPDATED_FLAG . ' ';
         }
         // this is another row of the output
         $text .= '<tr class="' . $class_title . '"><th>' . $prefix . $title . $suffix . '</th><th>' . i18n::s('Poster') . '</th><th>' . i18n::s('Messages') . '</th><th>' . i18n::s('Last active') . '</th></tr>' . "\n";
         $count = 1;
         // get last posts for this board --avoid sticky pages
         if (preg_match('/\\barticles_by_([a-z_]+)\\b/i', $item['options'], $matches)) {
             $order = $matches[1];
         } else {
             $order = 'edition';
         }
         if ($articles =& Articles::list_for_anchor_by($order, 'section:' . $item['id'], 0, 5, 'raw', TRUE)) {
             foreach ($articles as $id => $article) {
                 // get the related overlay, if any
                 $article_overlay = Overlay::load($article, 'article:' . $id);
                 // flag articles updated recently
                 if ($article['expiry_date'] > NULL_DATE && $article['expiry_date'] <= $context['now']) {
                     $flag = EXPIRED_FLAG . ' ';
                 } elseif ($article['create_date'] >= $context['fresh']) {
                     $flag = NEW_FLAG . ' ';
                 } elseif ($article['edit_date'] >= $context['fresh']) {
                     $flag = UPDATED_FLAG . ' ';
                 } else {
                     $flag = '';
                 }
                 // use the title to label the link
                 if (is_object($article_overlay)) {
                     $title = Codes::beautify_title($article_overlay->get_text('title', $article));
                 } else {
                     $title = Codes::beautify_title($article['title']);
                 }
                 // title
                 $title = Skin::build_link(Articles::get_permalink($article), $title, 'article');
                 // poster
                 $poster = Users::get_link($article['create_name'], $article['create_address'], $article['create_id']);
                 // comments
                 $comments = Comments::count_for_anchor('article:' . $article['id']);
//.........这里部分代码省略.........

 /**
  * list sections
  *
  * @param resource the SQL result
  * @return array of resulting items, or NULL
  *
  * @see layouts/layout.php
  **/
 function layout($result)
 {
     global $context;
     // we return an array of ($url => $attributes)
     $items = array();
     // empty list
     if (!SQL::count($result)) {
         return $items;
     }
     // process all items in the list
     include_once $context['path_to_root'] . 'comments/comments.php';
     include_once $context['path_to_root'] . 'links/links.php';
     while ($item = SQL::fetch($result)) {
         // get the related overlay, if any
         $overlay = Overlay::load($item, 'section:' . $item['id']);
         // get the main anchor
         $anchor = Anchors::get($item['anchor']);
         // the url to view this item
         $url = Sections::get_permalink($item);
         // use the title to label the link
         if (is_object($overlay)) {
             $title = Codes::beautify_title($overlay->get_text('title', $item));
         } else {
             $title = Codes::beautify_title($item['title']);
         }
         // initialize variables
         $prefix = $suffix = $icon = '';
         // flag sticky pages
         if ($item['rank'] < 10000) {
             $prefix .= STICKY_FLAG;
         }
         // signal restricted and private sections
         if ($item['active'] == 'N') {
             $prefix .= PRIVATE_FLAG;
         } elseif ($item['active'] == 'R') {
             $prefix .= RESTRICTED_FLAG;
         }
         // flag sections that are dead, or created or updated very recently
         if ($item['expiry_date'] > NULL_DATE && $item['expiry_date'] <= $context['now']) {
             $prefix .= EXPIRED_FLAG;
         } elseif ($item['create_date'] >= $context['fresh']) {
             $suffix .= NEW_FLAG;
         } elseif ($item['edit_date'] >= $context['fresh']) {
             $suffix .= UPDATED_FLAG;
         }
         // info on related comments
         if ($count = Comments::count_for_anchor('section:' . $item['id'], TRUE)) {
             $suffix .= ' (' . $count . ')';
         }
         // details
         $details = array();
         // info on related sections
         if ($count = Sections::count_for_anchor('section:' . $item['id'])) {
             $details[] = sprintf(i18n::ns('%d section', '%d sections', $count), $count);
         }
         // info on related articles
         if ($count = Articles::count_for_anchor('section:' . $item['id'])) {
             $details[] = sprintf(i18n::ns('%d page', '%d pages', $count), $count);
         }
         // info on related files
         if ($count = Files::count_for_anchor('section:' . $item['id'], TRUE)) {
             $details[] = sprintf(i18n::ns('%d file', '%d files', $count), $count);
         }
         // info on related links
         if ($count = Links::count_for_anchor('section:' . $item['id'], TRUE)) {
             $details[] = sprintf(i18n::ns('%d link', '%d links', $count), $count);
         }
         // the main anchor link
         if (is_object($anchor) && (!isset($this->focus) || $item['anchor'] != $this->focus)) {
             $details[] = sprintf(i18n::s('in %s'), Skin::build_link($anchor->get_url(), ucfirst($anchor->get_title()), 'section'));
         }
         // combine in-line details
         if (count($details)) {
             $suffix .= ' - <span class="details">' . trim(implode(', ', $details)) . '</span>';
         }
         // list all components for this item
         $items[$url] = array($prefix, $title, $suffix, 'section', $icon);
     }
     // end of processing
     SQL::free($result);
     return $items;
 }

 /**
  * list articles as topics in a forum
  *
  * @param resource the SQL result
  * @return string the rendered text
  **/
 function layout($result)
 {
     global $context;
     // we return some text
     $text = '';
     // empty list
     if (!SQL::count($result)) {
         return $text;
     }
     // start a table
     $text .= Skin::table_prefix('jive');
     // headers
     $text .= Skin::table_row(array(i18n::s('Topic'), i18n::s('Content')), 'header');
     // build a list of articles
     $odd = FALSE;
     include_once $context['path_to_root'] . 'comments/comments.php';
     include_once $context['path_to_root'] . 'links/links.php';
     while ($item = SQL::fetch($result)) {
         // get the related overlay, if any
         $overlay = Overlay::load($item, 'article:' . $item['id']);
         // get the anchor
         $anchor = Anchors::get($item['anchor']);
         // the url to view this item
         $url = Articles::get_permalink($item);
         // use the title to label the link
         if (is_object($overlay)) {
             $title = Codes::beautify_title($overlay->get_text('title', $item));
         } else {
             $title = Codes::beautify_title($item['title']);
         }
         // one row per article
         $text .= '<tr class="' . ($odd ? 'odd' : 'even') . '"><td>';
         $odd = !$odd;
         // signal articles to be published
         if (!isset($item['publish_date']) || $item['publish_date'] <= NULL_DATE || $item['publish_date'] > gmstrftime('%Y-%m-%d %H:%M:%S')) {
             $text .= DRAFT_FLAG;
         }
         // signal restricted and private articles
         if ($item['active'] == 'N') {
             $text .= PRIVATE_FLAG;
         } elseif ($item['active'] == 'R') {
             $text .= RESTRICTED_FLAG;
         }
         // use the title as a link to the page
         $text .= Skin::build_link($url, '<strong>' . $title . '</strong>', 'basic');
         // signal locked articles
         if (isset($item['locked']) && $item['locked'] == 'Y' && Articles::is_owned($item, $anchor)) {
             $text .= ' ' . LOCKED_FLAG;
         }
         // flag articles updated recently
         if ($item['expiry_date'] > NULL_DATE && $item['expiry_date'] <= $context['now']) {
             $text .= ' ' . EXPIRED_FLAG;
         } elseif ($item['create_date'] >= $context['fresh']) {
             $text .= ' ' . NEW_FLAG;
         } elseif ($item['edit_date'] >= $context['fresh']) {
             $text .= ' ' . UPDATED_FLAG;
         }
         // add details, if any
         $details = array();
         // poster name
         if (isset($context['with_author_information']) && $context['with_author_information'] == 'Y') {
             if ($item['create_name']) {
                 $details[] = sprintf(i18n::s('posted by %s %s'), Users::get_link($item['create_name'], $item['create_address'], $item['create_id']), Skin::build_date($item['create_date']));
             }
         }
         // last update
         $details[] = sprintf(i18n::s('Updated %s'), Skin::build_date($item['edit_date']));
         // add details to the title
         if (count($details)) {
             $text .= '<p class="details" style="margin: 3px 0">' . join(', ', $details) . '</p>';
         }
         // display all tags
         if ($item['tags']) {
             $text .= '<p class="tags">' . Skin::build_tags($item['tags'], 'article:' . $item['id']) . '</p>';
         }
         // next cell for the content
         $text .= '</td><td width="70%">';
         // the content to be displayed
         $content = '';
         // rating
         if ($item['rating_count'] && !(is_object($anchor) && $anchor->has_option('without_rating'))) {
             $content .= Skin::build_link(Articles::get_url($item['id'], 'like'), Skin::build_rating_img((int) round($item['rating_sum'] / $item['rating_count'])), 'basic');
         }
         // the introductory text
         if (is_object($overlay)) {
             $content .= Codes::beautify_introduction($overlay->get_text('introduction', $item));
         } else {
             $content .= Codes::beautify_introduction($item['introduction']);
         }
         // insert overlay data, if any
         if (is_object($overlay)) {
             $content .= $overlay->get_text('list', $item);
         }
         // the description
//.........这里部分代码省略.........

 /**
  * list articles as rows in a table
  *
  * @param resource the SQL result
  * @return string the rendered text
  **/
 function layout($result)
 {
     global $context;
     // we return some text
     $text = '';
     // empty list
     if (!SQL::count($result)) {
         return $text;
     }
     // build a list of articles
     $rows = array();
     include_once $context['path_to_root'] . 'comments/comments.php';
     include_once $context['path_to_root'] . 'links/links.php';
     while ($item = SQL::fetch($result)) {
         // get the related overlay
         $overlay = Overlay::load($item, 'article:' . $item['id']);
         // get the anchor
         $anchor = Anchors::get($item['anchor']);
         // the url to view this item
         $url = Articles::get_permalink($item);
         // reset everything
         $title = $abstract = $author = '';
         // signal articles to be published
         if (!isset($item['publish_date']) || $item['publish_date'] <= NULL_DATE || $item['publish_date'] > gmstrftime('%Y-%m-%d %H:%M:%S')) {
             $title .= DRAFT_FLAG;
         }
         // signal restricted and private articles
         if ($item['active'] == 'N') {
             $title .= PRIVATE_FLAG;
         } elseif ($item['active'] == 'R') {
             $title .= RESTRICTED_FLAG;
         }
         // indicate the id in the hovering popup
         $hover = i18n::s('View the page');
         if (Surfer::is_member()) {
             $hover .= ' [article=' . $item['id'] . ']';
         }
         // use the title to label the link
         if (is_object($overlay)) {
             $label = Codes::beautify_title($overlay->get_text('title', $item));
         } else {
             $label = Codes::beautify_title($item['title']);
         }
         // use the title as a link to the page
         $title .= Skin::build_link($url, $label, 'basic', $hover);
         // signal locked articles
         if (isset($item['locked']) && $item['locked'] == 'Y' && Articles::is_owned($item, $anchor)) {
             $title .= ' ' . LOCKED_FLAG;
         }
         // flag articles updated recently
         if ($item['expiry_date'] > NULL_DATE && $item['expiry_date'] <= $context['now']) {
             $title .= ' ' . EXPIRED_FLAG;
         } elseif ($item['create_date'] >= $context['fresh']) {
             $title .= ' ' . NEW_FLAG;
         } elseif ($item['edit_date'] >= $context['fresh']) {
             $title .= ' ' . UPDATED_FLAG;
         }
         // the icon
         if ($item['thumbnail_url']) {
             $abstract .= '<a href="' . $context['url_to_root'] . $url . '"><img src="' . $item['thumbnail_url'] . '" class="right_image" alt="" /></a>';
         }
         // the introductory text
         if (is_object($overlay)) {
             $abstract .= Codes::beautify_introduction($overlay->get_text('introduction', $item));
         } elseif ($item['introduction']) {
             $abstract .= Codes::beautify_introduction($item['introduction']);
         }
         // insert overlay data, if any
         if (is_object($overlay)) {
             $abstract .= $overlay->get_text('list', $item);
         }
         // make some abstract out of main text
         if (!$item['introduction'] && $context['skins_with_details'] == 'Y') {
             $abstract .= Skin::cap(Codes::beautify($item['description'], $item['options']), 50);
         }
         // attachment details
         $details = array();
         // info on related files
         if ($count = Files::count_for_anchor('article:' . $item['id'], TRUE)) {
             Skin::define_img('FILES_LIST_IMG', 'files/list.gif');
             $details[] = FILES_LIST_IMG . sprintf(i18n::ns('%d file', '%d files', $count), $count);
         }
         // info on related links
         if ($count = Links::count_for_anchor('article:' . $item['id'], TRUE)) {
             Skin::define_img('LINKS_LIST_IMG', 'links/list.gif');
             $details[] = LINKS_LIST_IMG . sprintf(i18n::ns('%d link', '%d links', $count), $count);
         }
         // comments
         if ($count = Comments::count_for_anchor('article:' . $item['id'], TRUE)) {
             Skin::define_img('COMMENTS_LIST_IMG', 'comments/list.gif');
             $details[] = Skin::build_link(Comments::get_url('article:' . $item['id'], 'list'), COMMENTS_LIST_IMG . sprintf(i18n::ns('%d comment', '%d comments', $count), $count));
         }
         // describe attachments
         if (count($details)) {
//.........这里部分代码省略.........

    $id = $_REQUEST['id'];
} elseif (isset($context['arguments'][0])) {
    $id = $context['arguments'][0];
}
$id = strip_tags($id);
// get the item from the database
$item = Categories::get($id);
// get the related anchor, if any
$anchor = NULL;
if (isset($item['anchor']) && $item['anchor']) {
    $anchor = Anchors::get($item['anchor']);
}
// get the related overlay, if any
$overlay = NULL;
if (isset($item['overlay'])) {
    $overlay = Overlay::load($item, 'category:' . $item['id']);
}
// associates and authenticated editors can do what they want
if (Surfer::is_associate() || Surfer::is_member() && is_object($anchor) && $anchor->is_assigned()) {
    $permitted = TRUE;
} else {
    $permitted = FALSE;
}
// load the skin
load_skin('categories');
// the path to this page
if (is_object($anchor) && $anchor->is_viewable()) {
    $context['path_bar'] = $anchor->get_path_bar();
} else {
    $context['path_bar'] = array('categories/' => i18n::s('Categories'));
}