lib/plugin/WantedPages.php

   1 <?php // -*-php-*-
   2 rcs_id('$Id: WantedPages.php,v 1.7 2003-12-19 06:57:49 carstenklapp Exp $');
   3 /*
   4  This file is part of PhpWiki.
   5
   6  PhpWiki is free software; you can redistribute it and/or modify
   7  it under the terms of the GNU General Public License as published by
   8  the Free Software Foundation; either version 2 of the License, or
   9  (at your option) any later version.
  10
  11  PhpWiki is distributed in the hope that it will be useful,
  12  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  GNU General Public License for more details.
  15
  16  You should have received a copy of the GNU General Public License
  17  along with PhpWiki; if not, write to the Free Software
  18  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 /**
  22  * A plugin which returns a list of referenced pages which do not exist yet.
  23  *
  24  **/
  25 //include_once('lib/PageList.php');
  26
  27 /**
  28  */
  29 class WikiPlugin_WantedPages
  30 extends WikiPlugin
  31 {
  32     function getName () {
  33         return _("WantedPages");
  34     }
  35
  36     function getDescription () {
  37         return _("Lists referenced page names which do not exist yet.");
  38     }
  39
  40     function getVersion() {
  41         return preg_replace("/[Revision: $]/", '',
  42                             "\$Revision: 1.7 $");
  43     }
  44
  45     function getDefaultArguments() {
  46         return array('noheader' => false,
  47                      'exclude'  => _("PgsrcTranslation"),
  48                      'page'     => '[pagename]');
  49     }
  50     // info arg allows multiple columns
  51     // info=mtime,hits,summary,version,author,locked,minor,markup or all
  52     // exclude arg allows multiple pagenames exclude=HomePage,RecentChanges
  53
  54     function run($dbi, $argstr, $request) {
  55         extract($this->getArgs($argstr, $request));
  56
  57         if ($exclude) {
  58             if (!is_array($exclude))
  59                 $exclude = explode(',', $exclude);
  60         }
  61
  62         if ($page == _("WantedPages"))
  63             $page = "";
  64
  65         // The PageList class can't handle the 'count' column needed
  66         // for this table
  67         $this->pagelist = array();
  68
  69         // There's probably a more memory-efficient way to do this (eg
  70         // a tailored SQL query via the backend, but this gets the job
  71         // done.
  72         if (!$page) {
  73             $allpages_iter = $dbi->getAllPages($include_empty = false);
  74             while ($page_handle = $allpages_iter->next()) {
  75                 $name = $page_handle->getName();
  76                 if (! in_array($name, $exclude))
  77                     $this->_iterateLinks($page_handle, $dbi);
  78             }
  79         } else if ($page && $pageisWikiPage = $dbi->isWikiPage($page)) {
  80             //only get WantedPages links for one page
  81             $page_handle = $dbi->getPage($page);
  82             $this->_iterateLinks($page_handle, $dbi);
  83         }
  84         ksort($this->pagelist);
  85         arsort($this->pagelist);
  86
  87         $this->_rows = HTML();
  88         $caption = false;
  89         $this->_messageIfEmpty = _("<none>");
  90
  91         if ($page) {
  92             // link count always seems to be 1 for a single page so
  93             // omit count column
  94             foreach ($this->pagelist as $key => $val) {
  95                 $row = HTML::li(WikiLink((string)$key, 'unknown'));
  96                 $this->_rows->pushContent($row);
  97             }
  98             if (!$noheader) {
  99                 if ($pageisWikiPage)
 100                     $pagelink = WikiLink($page);
 101                 else
 102                     $pagelink = WikiLink($page, 'unknown');
 103                 $c = count($this->pagelist);
 104                 $caption = fmt("Wanted Pages for %s (%d total):",
 105                                $pagelink, $c);
 106             }
 107             return $this->_generateList($caption);
 108
 109         } else {
 110             $spacer = new RawXml("&nbsp;&nbsp;&nbsp;&nbsp;");
 111             // Clicking on the number in the links column does a
 112             // FullTextSearch for the citations of the WantedPage
 113             // link.
 114             foreach ($this->pagelist as $key => $val) {
 115                 $key = (string) $key; // TODO: Not sure why, but this
 116                                       // string cast type-coersion
 117                                       // does seem necessary here.
 118                 // Enclose any FullTextSearch keys containing a space
 119                 // with quotes in oder to request a defnitive search.
 120                 $searchkey = (strstr($key, ' ') === false) ? $key : "\"$key\"";
 121                 $row = HTML::tr(HTML::td(array('align' => 'right'),
 122                                          Button(array('s' => $searchkey),
 123                                                 $val, _("FullTextSearch")),
 124                                          // Alternatively, get BackLinks
 125                                          // instead.
 126                                          //
 127                                          //Button(array('action'
 128                                          //             => _("BackLinks")),
 129                                          //       $val, $searchkey),
 130                                          HTML::td(HTML($spacer,
 131                                                        WikiLink($key,
 132                                                                 'unknown')))
 133                                          ));
 134                 $this->_rows->pushContent($row);
 135             }
 136             $c = count($this->pagelist);
 137             if (!$noheader)
 138                 $caption = sprintf(_("Wanted Pages in this wiki (%d total):"),
 139                                    $c);
 140             $this->_columns = array(_("Count"), _("Page Name"));
 141             if ($c > 0)
 142                 return $this->_generateTable($caption);
 143             else
 144                 return HTML(HTML::p($caption), HTML::p($messageIfEmpty));
 145         }
 146     }
 147
 148     function _generateTable($caption) {
 149
 150         if (count($this->pagelist) > 0) {
 151             $table = HTML::table(array('cellpadding' => 0,
 152                                        'cellspacing' => 1,
 153                                        'border'      => 0,
 154                                        'class'       => 'pagelist'));
 155             if ($caption)
 156                 $table->pushContent(HTML::caption(array('align'=>'top'),
 157                                                   $caption));
 158
 159             $row = HTML::tr();
 160             $spacer = new RawXml("&nbsp;&nbsp;&nbsp;&nbsp;");
 161             foreach ($this->_columns as $col_heading) {
 162                 $row->pushContent(HTML::td(HTML($spacer,
 163                                                 HTML::u($col_heading))));
 164                 $table_summary[] = $col_heading;
 165             }
 166             // Table summary for non-visual browsers.
 167             $table->setAttr('summary', sprintf(_("Columns: %s."),
 168                                                implode(", ", $table_summary)));
 169
 170             $table->pushContent(HTML::thead($row),
 171                                 HTML::tbody(false, $this->_rows));
 172         } else {
 173             $table = HTML();
 174             if ($caption)
 175                 $table->pushContent(HTML::p($caption));
 176             $table->pushContent(HTML::p($this->_messageIfEmpty));
 177         }
 178
 179         return $table;
 180     }
 181
 182     function _generateList($caption) {
 183         $list = HTML();
 184         $c = count($this->pagelist);
 185         if ($caption)
 186             $list->pushContent(HTML::p($caption));
 187
 188         if ($c > 0)
 189             $list->pushContent(HTML::ul($this->_rows));
 190         else
 191             $list->pushContent(HTML::p($this->_messageIfEmpty));
 192
 193         return $list;
 194     }
 195
 196     function _iterateLinks($page_handle, $dbi) {
 197         $links_iter = $page_handle->getLinks($reversed = false);
 198         while ($link_handle = $links_iter->next())
 199         {
 200             if (! $dbi->isWikiPage($linkname = $link_handle->getName()))
 201                 if (! in_array($linkname, array_keys($this->pagelist)))
 202                     $this->pagelist[$linkname] = 1;
 203                 else
 204                     $this->pagelist[$linkname] += 1;
 205         }
 206     }
 207 };
 208
 209 // $Log: not supported by cvs2svn $
 210 // Revision 1.6  2003/11/19 17:08:23  carstenklapp
 211 // New feature: Clicking on the number of citations in the links column
 212 // now does a FullTextSearch for the WantedPage link!
 213 //
 214 // Revision 1.5  2003/03/25 21:05:27  dairiki
 215 // Ensure pagenames are strings.
 216 //
 217 // Revision 1.4  2003/01/18 22:14:24  carstenklapp
 218 // Code cleanup:
 219 // Reformatting & tabs to spaces;
 220 // Added copyleft, getVersion, getDescription, rcs_id.
 221 //
 222
 223 // Local Variables:
 224 // mode: php
 225 // tab-width: 8
 226 // c-basic-offset: 4
 227 // c-hanging-comment-ender-p: nil
 228 // indent-tabs-mode: nil
 229 // End:
 230 ?>