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<?php // -*-php-*-
rcs_id('$Id: BackLinks.php,v 1.32 2004/12/06 19:50:05 rurban Exp $');
/**
Copyright 1999, 2000, 2001, 2002 $ThePhpWikiProgrammingTeam
This file is part of PhpWiki.
PhpWiki is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
PhpWiki is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with PhpWiki; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
*/
require_once('lib/PageList.php');
class WikiPlugin_BackLinks
extends WikiPlugin
{
function getName() {
return _("BackLinks");
}
function getDescription() {
return sprintf(_("List all pages which link to %s."), '[pagename]');
}
function getVersion() {
return preg_replace("/[Revision: $]/", '',
"\$Revision: 1.32 $");
}
function getDefaultArguments() {
return array_merge
(
PageList::supportedArgs(),
array('include_self' => false,
'noheader' => false,
'page' => '[pagename]',
));
}
// info arg allows multiple columns
// info=mtime,hits,summary,version,author,locked,minor
// exclude arg allows multiple pagenames exclude=HomePage,RecentChanges
// NEW: info=count : number of links
function run($dbi, $argstr, &$request, $basepage) {
$args = $this->getArgs($argstr, $request);
extract($args);
if (empty($page) and $page != '0')
return '';
// exclude is now already expanded in WikiPlugin::getArgs()
if (empty($exclude)) $exclude = array();
if (!$include_self)
$exclude[] = $page;
if ($info) {
$info = explode(",", $info);
if (in_array('count',$info))
$args['types']['count'] =
new _PageList_Column_BackLinks_count('count', _("#"), 'center');
}
$args['dosort'] = !empty($args['sortby']); // override DB sort (??)
$pagelist = new PageList($info, $exclude, $args);
$p = $dbi->getPage($page);
$pagelist->addPages($p->getBackLinks(false, $sortby, $limit, $exclude));
// Localization note: In English, the differences between the
// various phrases spit out here may seem subtle or negligible
// enough to tempt you to combine/normalize some of these
// strings together, but the grammar employed most by other
// languages does not always end up with so subtle a
// distinction as it does with English in this case. :)
if (!$noheader) {
if ($page == $request->getArg('pagename')
and !$dbi->isWikiPage($page)) {
// BackLinks plugin is more than likely being called
// upon for an empty page on said page, while either
// 'browse'ing, 'create'ing or 'edit'ing.
//
// Don't bother displaying a WikiLink 'unknown', just
// the Un~WikiLink~ified (plain) name of the uncreated
// page currently being viewed.
$pagelink = $page;
if ($pagelist->isEmpty())
return HTML::p(fmt("No other page links to %s yet.", $pagelink));
if ($pagelist->getTotal() == 1)
$pagelist->setCaption(fmt("One page would link to %s:",
$pagelink));
// Some future localizations will actually require
// this... (BelieveItOrNot, English-only-speakers!(:)
//
// else if ($pagelist->getTotal() == 2)
// $pagelist->setCaption(fmt("Two pages would link to %s:",
// $pagelink));
else
$pagelist->setCaption(fmt("%s pages would link to %s:",
$pagelist->getTotal(), $pagelink));
}
else {
// BackLinks plugin is being displayed on a normal page.
$pagelink = WikiLink($page, 'auto');
if ($pagelist->isEmpty())
return HTML::p(fmt("No page links to %s.", $pagelink));
//trigger_error("DEBUG: " . $pagelist->getTotal());
if ($pagelist->getTotal() == 1)
$pagelist->setCaption(fmt("One page links to %s:",
$pagelink));
// Some future localizations will actually require
// this... (BelieveItOrNot, English-only-speakers!(:)
//
// else if ($pagelist->getTotal() == 2)
// $pagelist->setCaption(fmt("Two pages link to %s:",
// $pagelink));
else
$pagelist->setCaption(fmt("%s pages link to %s:",
$pagelist->getTotal(), $pagelink));
}
}
return $pagelist;
}
};
// how many links from this backLink to other pages
class _PageList_Column_BackLinks_count extends _PageList_Column {
function _getValue($page, &$revision_handle) {
$iter = $page->getPageLinks();
$count = $iter->count();
return $count;
}
}
// $Log: BackLinks.php,v $
// Revision 1.32 2004/12/06 19:50:05 rurban
// enable action=remove which is undoable and seeable in RecentChanges: ADODB ony for now.
// renamed delete_page to purge_page.
// enable action=edit&version=-1 to force creation of a new version.
// added BABYCART_PATH config
// fixed magiqc in adodb.inc.php
// and some more docs
//
// Revision 1.31 2004/11/26 18:39:02 rurban
// new regex search parser and SQL backends (90% complete, glob and pcre backends missing)
//
// Revision 1.30 2004/11/25 17:20:52 rurban
// and again a couple of more native db args: backlinks
//
// Revision 1.29 2004/11/23 15:17:19 rurban
// better support for case_exact search (not caseexact for consistency),
// plugin args simplification:
// handle and explode exclude and pages argument in WikiPlugin::getArgs
// and exclude in advance (at the sql level if possible)
// handle sortby and limit from request override in WikiPlugin::getArgs
// ListSubpages: renamed pages to maxpages
//
// Revision 1.28 2004/10/14 17:16:22 rurban
// override DB sort: not applicable
//
// Revision 1.27 2004/09/25 16:33:52 rurban
// add support for all PageList options
//
// Revision 1.26 2004/09/14 10:32:32 rurban
// support exclude = plugin-list
//
// Revision 1.25 2004/09/13 15:00:50 rurban
// info=count: number of links at this subpage
//
// Revision 1.24 2004/04/18 05:42:17 rurban
// more fixes for page="0"
// better WikiForum support
//
// Revision 1.23 2004/02/22 23:20:33 rurban
// fixed DumpHtmlToDir,
// enhanced sortby handling in PageList
// new button_heading th style (enabled),
// added sortby and limit support to the db backends and plugins
// for paging support (<<prev, next>> links on long lists)
//
// Revision 1.22 2004/02/17 12:11:36 rurban
// added missing 4th basepage arg at plugin->run() to almost all plugins. This caused no harm so far, because it was silently dropped on normal usage. However on plugin internal ->run invocations it failed. (InterWikiSearch, IncludeSiteMap, ...)
//
// Revision 1.21 2003/12/22 07:31:57 carstenklapp
// Bugfix: commented out debugging code that snuck into the release.
//
// Revision 1.20 2003/12/14 05:36:31 carstenklapp
// Internal changes to prepare for an upcoming feature: Added some
// conditions and alternate phrases (alternate wording of text srings
// when referring to a non-existant page (i.e. WikiLink 'unknown')) when
// calling the BackLinks plugin *within* a non-existant page, such as
// from within an editpage or browse template while editing a new page.
//
// Revision 1.19 2003/01/18 21:19:25 carstenklapp
// Code cleanup:
// Reformatting; added copyleft, getVersion, getDescription
//
// For emacs users
// Local Variables:
// mode: php
// tab-width: 8
// c-basic-offset: 4
// c-hanging-comment-ender-p: nil
// indent-tabs-mode: nil
// End:
?>
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