PHP Articles::is_assigned方法代码示例

 /**
  * check if new links can be added
  *
  * This function returns TRUE if links can be added to some place,
  * and FALSE otherwise.
  *
  * @param object an instance of the Anchor interface, if any
  * @param array a set of item attributes, if any
  * @param string the type of item, e.g., 'section'
  * @return boolean TRUE or FALSE
  */
 public static function allow_creation($item = NULL, $anchor = NULL, $variant = NULL)
 {
     global $context;
     // backward compatibility, reverse parameters :
     // $anchor is always a object and $item a array
     if (is_object($item) || is_array($anchor)) {
         $permute = $anchor;
         $anchor = $item;
         $item = $permute;
     }
     // guess the variant
     if (!$variant) {
         // most frequent case
         if (isset($item['id'])) {
             $variant = 'article';
         } elseif (is_object($anchor)) {
             $variant = $anchor->get_type();
         } else {
             return FALSE;
         }
     }
     // only in articles
     if ($variant == 'article') {
         // 'no_links' option
         if (Articles::has_option('no_links', $anchor, $item)) {
             return FALSE;
         }
         // other containers
     } else {
         // links have to be activated
         if (isset($item['options']) && is_string($item['options']) && preg_match('/\\bwith_links\\b/i', $item['options'])) {
         } elseif (!isset($item['id']) && is_object($anchor) && $anchor->has_option('with_links', FALSE)) {
         } else {
             return FALSE;
         }
     }
     // surfer is an associate
     if (Surfer::is_associate()) {
         return TRUE;
     }
     // submissions have been disallowed
     if (isset($context['users_without_submission']) && $context['users_without_submission'] == 'Y') {
         return FALSE;
     }
     // only in articles
     if ($variant == 'article') {
         // surfer owns this item, or the anchor
         if (Articles::is_owned($item, $anchor)) {
             return TRUE;
         }
         // surfer is an editor, and the page is not private
         if (isset($item['active']) && $item['active'] != 'N' && Articles::is_assigned($item['id'])) {
             return TRUE;
         }
         // only in sections
     } elseif ($variant == 'section') {
         // surfer owns this item, or the anchor
         if (Sections::is_owned($item, $anchor, TRUE)) {
             return TRUE;
         }
         // surfer is an editor, and the section is not private
         if (isset($item['active']) && $item['active'] != 'N' && Sections::is_assigned($item['id'])) {
             return TRUE;
         }
     }
     // surfer is an editor, and container is not private
     if (isset($item['active']) && $item['active'] != 'N' && is_object($anchor) && $anchor->is_assigned()) {
         return TRUE;
     }
     if (!isset($item['id']) && is_object($anchor) && !$anchor->is_hidden() && $anchor->is_assigned()) {
         return TRUE;
     }
     // item has been locked
     if (isset($item['locked']) && $item['locked'] == 'Y') {
         return FALSE;
     }
     // anchor has been locked --only used when there is no item provided
     if (!isset($item['id']) && is_object($anchor) && $anchor->has_option('locked')) {
         return FALSE;
     }
     // surfer is an editor (and item has not been locked)
     if ($variant == 'article' && isset($item['id']) && Articles::is_assigned($item['id'])) {
         return TRUE;
     }
     if ($variant == 'section' && isset($item['id']) && Sections::is_assigned($item['id'])) {
         return TRUE;
     }
     if (is_object($anchor) && $anchor->is_assigned()) {
         return TRUE;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
     // article rating, if the anchor allows for it
     if (!is_object($anchor) || !$anchor->has_option('without_rating')) {
         // report on current rating
         $label = '';
         if ($item['rating_count']) {
             $label = Skin::build_rating_img((int) round($item['rating_sum'] / $item['rating_count'])) . ' ';
         }
         $label .= i18n::s('Rate this page');
         // allow for rating
         $text .= Skin::build_link(Articles::get_url($item['id'], 'like'), $label, 'basic');
     }
     // the introduction text, if any
     if (is_object($overlay)) {
         $text .= Skin::build_block($overlay->get_text('introduction', $item), 'introduction');
     } else {
         $text .= Skin::build_block($item['introduction'], 'introduction');
     }
     // insert overlay data, if any
     if (is_object($overlay)) {
         $text .= $overlay->get_text('view', $item);
     }
     // the beautified description, which is the actual page body
     if ($item['description']) {
         // use adequate label
         if (is_object($overlay) && ($label = $overlay->get_label('description'))) {
             $text .= Skin::build_block($label, 'title');
         }
         $text .= Skin::build_block($item['description'], 'description', '', $item['options']);
     }
     //
     // list related files
     //
     // if this surfer is an editor of this article, show hidden files as well
     if (Articles::is_assigned($item['id']) || is_object($anchor) && $anchor->is_assigned()) {
         Surfer::empower();
     }
     // build a complete box
     $box['bar'] = array();
     $box['text'] = '';
     // count the number of files in this article
     if ($count = Files::count_for_anchor('article:' . $item['id'])) {
         if ($count > 20) {
             $box['bar'] += array('_count' => sprintf(i18n::ns('%d file', '%d files', $count), $count));
         }
         // list files by date (default) or by title (option files_by_title)
         if (Articles::has_option('files_by', $anchor, $item) == 'title') {
             $items = Files::list_by_title_for_anchor('article:' . $item['id'], 0, FILES_PER_PAGE, 'article:' . $item['id']);
         } else {
             $items = Files::list_by_date_for_anchor('article:' . $item['id'], 0, FILES_PER_PAGE, 'article:' . $item['id']);
         }
         if (is_array($items)) {
             $box['text'] .= Skin::build_list($items, 'decorated');
         }
         // navigation commands for files
         $prefix = Articles::get_url($item['id'], 'navigate', 'files');
         $box['bar'] += Skin::navigate($url, $prefix, $count, FILES_PER_PAGE, 0);
         // the command to post a new file, if allowed
         if (Files::allow_creation($item, $anchor, 'article')) {
             $link = 'files/edit.php?anchor=' . urlencode('article:' . $item['id']);
             $box['bar'] += array($link => i18n::s('Add a file'));
         }
         if (is_array($box['bar'])) {
             $box['text'] .= Skin::build_list($box['bar'], 'menu_bar');
         }
     }
     // actually render the html for this box

}
$vote = strip_tags($vote);
// next url
$next = '';
if (isset($_REQUEST['next'])) {
    $next = $_REQUEST['next'];
}
if (isset($context['arguments'][2])) {
    $next = $context['arguments'][2];
}
$next = strip_tags($next);
//
// is this surfer allowed to browse the resulting page?
//
// associates and editors can do what they want
if (Surfer::is_associate() || Articles::is_assigned($id) || is_object($anchor) && $anchor->is_assigned()) {
    $permitted = TRUE;
} elseif (Surfer::get_id() && isset($item['create_id']) && $item['create_id'] == Surfer::get_id()) {
    $permitted = TRUE;
} elseif (is_object($anchor) && !$anchor->is_viewable()) {
    $permitted = FALSE;
} elseif (isset($item['active']) && $item['active'] == 'R' && Surfer::is_member()) {
    $permitted = TRUE;
} elseif (isset($item['active']) && $item['active'] == 'Y') {
    $permitted = TRUE;
} else {
    $permitted = FALSE;
}
// load the skin, maybe with a variant
load_skin('polls', $anchor);
// the path to this page

 /**
  * check if an article can be modified
  *
  * This function returns TRUE if the page can be modified,
  * and FALSE otherwise.
  *
  * @param array a set of item attributes, aka, the target article
  * @param object an instance of the Anchor interface
  * @return TRUE or FALSE
  */
 public static function allow_modification($item, $anchor)
 {
     global $context;
     // sanity check
     if (!isset($item['id']) && !$anchor) {
         return FALSE;
     }
     // surfer is an associate
     if (Surfer::is_associate()) {
         return TRUE;
     }
     // ensure access rights
     if (!Articles::allow_access($item, $anchor)) {
         return FALSE;
     }
     // submissions have been disallowed
     if (isset($context['users_without_submission']) && $context['users_without_submission'] == 'Y') {
         return FALSE;
     }
     // surfer owns the container or the article
     if (Articles::is_owned($item, $anchor)) {
         return TRUE;
     }
     // allow section editors to manage content, except on private sections
     if (Surfer::is_member() && is_object($anchor) && !$anchor->is_hidden() && $anchor->is_assigned()) {
         return TRUE;
     }
     // allow page editors to manage content, except on private page
     if (Surfer::is_member() && $item['active'] != 'N' && Articles::is_assigned($item['id'])) {
         return TRUE;
     }
     // article has been locked
     if (isset($item['locked']) && $item['locked'] == 'Y') {
         return FALSE;
     }
     // maybe this anonymous surfer is allowed to handle this item
     if (isset($item['handle']) && Surfer::may_handle($item['handle'])) {
         return TRUE;
     }
     // community wiki
     if (Surfer::is_logged() && Articles::has_option('members_edit', $anchor, $item)) {
         return TRUE;
     }
     // public wiki
     if (Articles::has_option('anonymous_edit', $anchor, $item)) {
         return TRUE;
     }
     // default case
     return FALSE;
 }

 /**
  * check if new files can be added
  *
  * This function returns TRUE if files can be added to some place,
  * and FALSE otherwise.
  *
  * @param array a set of item attributes, if any
  * @param object an instance of the Anchor interface, if any
  * @param string the type of item, e.g., 'article' or 'section'
  * @return boolean TRUE or FALSE
  */
 public static function allow_creation($item = NULL, $anchor = NULL, $variant = NULL)
 {
     global $context;
     // guess the variant
     if (!$variant) {
         // most frequent case
         if (isset($item['id'])) {
             $variant = 'article';
         } elseif (is_object($anchor)) {
             $variant = $anchor->get_type();
         } else {
             return FALSE;
         }
     }
     // attach a file to an article
     if ($variant == 'article') {
         // 'no initial upload' option
         if (!isset($item['id']) && Articles::has_option('no_initial_upload', $anchor, $item)) {
             return FALSE;
         }
         // 'no files' option
         if (Articles::has_option('no_files', $anchor, $item)) {
             return FALSE;
         }
         // attach a file to a user profile
     } elseif ($variant == 'user') {
         // associates can always proceed
         if (Surfer::is_associate()) {
         } elseif (!is_object($anchor) || !Surfer::get_id()) {
             return FALSE;
         } elseif ($anchor->get_reference() != 'user:' . Surfer::get_id()) {
             return FALSE;
         }
         // other containers
     } else {
         // files have to be activated explicitly
         if (isset($item['options']) && is_string($item['options']) && preg_match('/\\bwith_files\\b/i', $item['options'])) {
         } elseif (!isset($item['id']) && is_object($anchor) && $anchor->has_option('with_files', FALSE)) {
         } else {
             return FALSE;
         }
     }
     // surfer is not allowed to upload a file
     if (!Surfer::may_upload()) {
         return FALSE;
     }
     // surfer is an associate
     if (Surfer::is_associate()) {
         return TRUE;
     }
     // submissions have been disallowed
     if (isset($context['users_without_submission']) && $context['users_without_submission'] == 'Y') {
         return FALSE;
     }
     // only in articles
     if ($variant == 'article') {
         // surfer owns this item, or the anchor
         if (Articles::is_owned($item, $anchor)) {
             return TRUE;
         }
         // surfer is an editor, and the page is not private
         if (isset($item['active']) && $item['active'] != 'N' && Articles::is_assigned($item['id'])) {
             return TRUE;
         }
         // only in sections
     } elseif ($variant == 'section') {
         // surfer owns this item, or the anchor
         if (Sections::is_owned($item, $anchor, TRUE)) {
             return TRUE;
         }
         // surfer is an editor, and the section is not private
         if (isset($item['active']) && $item['active'] != 'N' && Sections::is_assigned($item['id'])) {
             return TRUE;
         }
     }
     // surfer is an editor, and container is not private
     if (isset($item['active']) && $item['active'] != 'N' && is_object($anchor) && $anchor->is_assigned()) {
         return TRUE;
     }
     if (!isset($item['id']) && is_object($anchor) && !$anchor->is_hidden() && $anchor->is_assigned()) {
         return TRUE;
     }
     // item has been locked
     if (isset($item['locked']) && $item['locked'] == 'Y') {
         return FALSE;
     }
     // anchor has been locked --only used when there is no item provided
     if (!isset($item['id']) && is_object($anchor) && $anchor->has_option('locked')) {
         return FALSE;
//.........这里部分代码省略.........

 /**
  * check if new images can be added
  *
  * This function returns TRUE if images can be added to some place,
  * and FALSE otherwise.
  *
  * @param object an instance of the Anchor interface, if any
  * @param array a set of item attributes, if any
  * @param string the type of item, e.g., 'section'
  * @return TRUE or FALSE
  */
 public static function allow_creation($item = NULL, $anchor = NULL, $variant = NULL)
 {
     global $context;
     // backward compatibility, reverse parameters :
     // $anchor is always a object and $item a array
     if (is_object($item) || is_array($anchor)) {
         $permute = $anchor;
         $anchor = $item;
         $item = $permute;
     }
     // guess the variant
     if (!$variant) {
         // most frequent case
         if (isset($item['id'])) {
             $variant = 'article';
         } elseif (is_object($anchor)) {
             $variant = $anchor->get_type();
         } else {
             return FALSE;
         }
     }
     // only in articles
     if ($variant == 'article') {
         // 'no images' option
         if (Articles::has_option('no_images', $anchor, $item)) {
             return FALSE;
         }
         // other containers
     } else {
         // in item
         if (isset($item['options']) && is_string($item['options']) && preg_match('/\\bno_images\\b/i', $item['options'])) {
             return FALSE;
         }
         // in container
         if (is_object($anchor) && $anchor->has_option('no_images', FALSE)) {
             return FALSE;
         }
     }
     // surfer is not allowed to upload a file
     if (!Surfer::may_upload()) {
         return FALSE;
     }
     // surfer is an associate
     if (Surfer::is_associate()) {
         return TRUE;
     }
     // submissions have been disallowed
     if (isset($context['users_without_submission']) && $context['users_without_submission'] == 'Y') {
         return FALSE;
     }
     // only in articles
     if ($variant == 'article') {
         // surfer is entitled to change content
         if (Articles::allow_modification($item, $anchor)) {
             return TRUE;
         }
         // surfer is an editor, and the page is not private
         if (isset($item['active']) && $item['active'] != 'N' && Articles::is_assigned($item['id'])) {
             return TRUE;
         }
         if (is_object($anchor) && !$anchor->is_hidden() && $anchor->is_assigned()) {
             return TRUE;
         }
         // only in iles
     } elseif ($variant == 'file') {
         // surfer owns the anchor
         if (is_object($anchor) && $anchor->is_owned()) {
             return TRUE;
         }
         // only in sections
     } elseif ($variant == 'section') {
         // surfer is entitled to change content
         if (Sections::allow_modification($item, $anchor)) {
             return TRUE;
         }
         // only in user profiles
     } elseif ($variant == 'user') {
         // the item is anchored to the profile of this member
         if (Surfer::get_id() && is_object($anchor) && !strcmp($anchor->get_reference(), 'user:' . Surfer::get_id())) {
             return TRUE;
         }
         // should not happen...
         if (isset($item['id']) && Surfer::is($item['id'])) {
             return TRUE;
         }
     }
     // item has been locked
     if (isset($item['locked']) && $item['locked'] == 'Y') {
         return FALSE;
//.........这里部分代码省略.........

if (isset($item['overlay'])) {
    $overlay = Overlay::load($item, 'article:' . $item['id']);
}
// get the related anchor, if any
$anchor = NULL;
if (isset($item['anchor'])) {
    $anchor = Anchors::get($item['anchor']);
}
// editors can do what they want on items anchored here
if (Surfer::is_member() && is_object($anchor) && $anchor->is_assigned()) {
    Surfer::empower();
} elseif (isset($item['id']) && Articles::is_assigned($item['id']) && Surfer::is_member()) {
    Surfer::empower();
} elseif (Surfer::is_logged() && is_object($anchor) && $anchor->is_assigned()) {
    Surfer::empower('S');
} elseif (isset($item['id']) && Articles::is_assigned($item['id']) && Surfer::is_logged()) {
    Surfer::empower('S');
} elseif (isset($item['options']) && $item['options'] && preg_match('/\\banonymous_edit\\b/i', $item['options'])) {
    Surfer::empower();
} elseif (Surfer::is_member() && isset($item['options']) && $item['options'] && preg_match('/\\bmembers_edit\\b/i', $item['options'])) {
    Surfer::empower();
} elseif (isset($item['handle']) && Surfer::may_handle($item['handle'])) {
    Surfer::empower();
}
//
// is this surfer allowed to browse the page?
//
// associates, editors and readers can read this page
if (Surfer::is_empowered('S')) {
    $permitted = TRUE;
} elseif (isset($item['create_id']) && Surfer::is($item['create_id'])) {

    // invite participants, for owners
    if (Articles::is_owned($item, $anchor) && isset($context['with_email']) && $context['with_email'] == 'Y') {
        Skin::define_img('ARTICLES_INVITE_IMG', 'articles/invite.gif');
        $box['bar'] += array(Articles::get_url($item['id'], 'invite') => ARTICLES_INVITE_IMG . i18n::s('Invite participants'));
    }
    // notify participants
    if ($count > 1 && Articles::allow_message($item, $anchor) && isset($context['with_email']) && $context['with_email'] == 'Y') {
        Skin::define_img('ARTICLES_EMAIL_IMG', 'articles/email.gif');
        $box['bar'] += array(Articles::get_url($item['id'], 'mail') => ARTICLES_EMAIL_IMG . i18n::s('Notify participants'));
    }
    // manage editors, for owners
    if (Articles::is_owned($item, $anchor, TRUE) || Surfer::is_associate()) {
        Skin::define_img('ARTICLES_ASSIGN_IMG', 'articles/assign.gif');
        $box['bar'] += array(Users::get_url('article:' . $item['id'], 'select') => ARTICLES_ASSIGN_IMG . i18n::s('Manage participants'));
        // leave this page, for editors
    } elseif (Articles::is_assigned($item['id'])) {
        Skin::define_img('ARTICLES_ASSIGN_IMG', 'sections/assign.gif');
        $box['bar'] += array(Users::get_url('article:' . $item['id'], 'leave') => ARTICLES_ASSIGN_IMG . i18n::s('Leave this page'));
    }
    // headers
    $headers = array(i18n::s('Person'), i18n::s('Watcher'), i18n::s('Editor'), i18n::s('Owner'));
    // layout columns
    if ($rows) {
        $box['text'] .= Skin::table($headers, $rows, 'grid');
    }
    // actually render the html
    $users .= Skin::build_content(NULL, NULL, $box['text'], $box['bar']);
}
// display in a separate panel
if ($users) {
    $label = i18n::s('Persons');

$overlay = NULL;
if (isset($item['overlay'])) {
    $overlay = Overlay::load($item, 'article:' . $item['id']);
}
// look for the action
$action = NULL;
if (isset($_REQUEST['action'])) {
    $action = $_REQUEST['action'];
} elseif (isset($context['arguments'][1])) {
    $action = $context['arguments'][1];
}
$action = strip_tags($action);
// maybe this anonymous surfer is allowed to handle this item
if (isset($item['handle']) && Surfer::may_handle($item['handle'])) {
    Surfer::empower();
} elseif (isset($item['id']) && Articles::is_assigned($item['id']) || is_object($anchor) && $anchor->is_assigned()) {
    Surfer::empower();
} elseif (Articles::has_option('anonymous_edit', $anchor, $item)) {
    Surfer::empower();
} elseif (Surfer::is_member() && Articles::has_option('members_edit', $anchor, $item)) {
    Surfer::empower();
}
// associates and editors can do what they want
if (Surfer::is_empowered()) {
    $permitted = TRUE;
} else {
    $permitted = FALSE;
}
// no not kill script validation
if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] == 'HEAD') {
    return;

//.........这里部分代码省略.........
         // get the anchor
         $anchor = Anchors::get($item['anchor']);
         // the url to view this item
         $url = Articles::get_permalink($item);
         // reset everything
         $summary = $update = $owner = $editor = $watcher = '';
         // signal articles to be published
         if (!isset($item['publish_date']) || $item['publish_date'] <= NULL_DATE || $item['publish_date'] > gmstrftime('%Y-%m-%d %H:%M:%S')) {
             $summary .= DRAFT_FLAG;
         }
         // signal restricted and private articles
         if ($item['active'] == 'N') {
             $summary .= PRIVATE_FLAG;
         } elseif ($item['active'] == 'R') {
             $summary .= 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
         $summary .= Skin::build_link($url, $label, 'basic', $hover);
         // signal locked articles
         if (isset($item['locked']) && $item['locked'] == 'Y' && Articles::is_owned($item, $anchor)) {
             $summary .= ' ' . LOCKED_FLAG;
         }
         // flag articles updated recently
         if ($item['expiry_date'] > NULL_DATE && $item['expiry_date'] <= $context['now']) {
             $summary .= ' ' . EXPIRED_FLAG;
         } elseif ($item['create_date'] >= $context['fresh']) {
             $summary .= ' ' . NEW_FLAG;
         } elseif ($item['edit_date'] >= $context['fresh']) {
             $summary .= ' ' . UPDATED_FLAG;
         }
         // insert overlay data, if any
         if (is_object($overlay)) {
             $summary .= $overlay->get_text('list', $item);
         }
         // attachment details
         $details = array();
         // info on related files
         if ($count = Files::count_for_anchor('article:' . $item['id'], TRUE)) {
             $details[] = sprintf(i18n::ns('%d file', '%d files', $count), $count);
         }
         // info on related links
         if ($count = Links::count_for_anchor('article:' . $item['id'], TRUE)) {
             $details[] = sprintf(i18n::ns('%d link', '%d links', $count), $count);
         }
         // comments
         if ($count = Comments::count_for_anchor('article:' . $item['id'], TRUE)) {
             $details[] = sprintf(i18n::ns('%d comment', '%d comments', $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($anchor->get_title()), 'basic'));
         }
         // combine in-line details
         if (count($details)) {
             $summary .= BR . '<span class="details">' . trim(implode(' &middot; ', $details)) . '</span>';
         }
         // display all tags
         if ($item['tags']) {
             $summary .= BR . '<span class="tags">' . Skin::build_tags($item['tags'], 'article:' . $item['id']) . '</span>';
         }
         // dates
         //			$update = '<span class="details">'.join(BR, Articles::build_dates($anchor, $item)).'</span>';
         // watcher
         if (Articles::is_watched($item['id'], $this->focus)) {
             $watcher = CHECKED_IMG;
         }
         // editor
         if (Articles::is_assigned($item['id'], $this->focus)) {
             $editor = CHECKED_IMG;
         }
         // owner
         if (isset($item['owner_id']) && $item['owner_id'] == $this->focus) {
             $owner = CHECKED_IMG;
         }
         // this is another row of the output
         //			$cells = array($summary, $update, $watcher, $editor, $owner);
         $cells = array($summary, $watcher, $editor, $owner);
         // append this row
         $rows[] = $cells;
     }
     // end of processing
     SQL::free($result);
     // headers
     //		$headers = array(i18n::s('Page'), i18n::s('Dates'), i18n::s('Watcher'), i18n::s('Editor'), i18n::s('Owner'));
     $headers = array(i18n::s('Page'), i18n::s('Watcher'), i18n::s('Editor'), i18n::s('Owner'));
     // return a sortable table
     $text .= Skin::table($headers, $rows, 'grid');
     return $text;
 }