4 * Copyright (C) 2004 $ThePhpWikiProgrammingTeam
6 * This file is part of PhpWiki.
8 * PhpWiki is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * PhpWiki is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with PhpWiki; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 * List of changes on all pages which are linked to from this page.
25 * This is good usage for an action button, similar to LikePages.
27 * DONE: days links requires action=RelatedChanges arg
30 require_once 'lib/plugin/RecentChanges.php';
32 class _RelatedChanges_HtmlFormatter
33 extends _RecentChanges_HtmlFormatter
35 function description()
37 return HTML::p(false, $this->pre_description(),
38 fmt(" (to pages linked from \"%s\")", $this->_args['page']));
42 class WikiPlugin_RelatedChanges
43 extends WikiPlugin_RecentChanges
47 return _("RecentEdits");
50 function getDescription()
52 return _("List of changes on all pages which are linked to from this page.");
55 function getDefaultArguments()
57 $args = parent::getDefaultArguments();
58 $args['page'] = '[pagename]';
59 $args['show_minor'] = true;
60 $args['show_all'] = true;
61 $args['caption'] = _("Related Changes");
65 function getChanges($dbi, $args)
67 $changes = $dbi->mostRecent($this->getMostRecentParams($args));
69 $show_deleted = $args['show_deleted'];
70 if ($show_deleted == 'sometimes')
71 $show_deleted = $args['show_minor'];
73 $changes = new NonDeletedRevisionIterator($changes, !$args['show_all']);
75 // sort out pages not linked from our page
76 $changes = new RelatedChangesRevisionIterator($changes, $dbi, $args['page']);
80 // box is used to display a fixed-width, narrow version with common header.
81 // just a numbered list of limit pagenames, without date.
82 function box($args = false, $request = false, $basepage = false)
84 if (!$request) $request =& $GLOBALS['request'];
85 if (!isset($args['limit'])) $args['limit'] = 15;
86 $args['format'] = 'box';
87 $args['show_minor'] = false;
88 $args['show_major'] = true;
89 $args['show_deleted'] = false;
90 $args['show_all'] = false;
92 return $this->makeBox(WikiLink(_("RelatedChanges"), '', _("Related Changes")),
93 $this->format($this->getChanges($request->_dbi, $args), $args));
96 function format($changes, $args)
99 $format = $args['format'];
101 $fmt_class = $WikiTheme->getFormatter('RelatedChanges', $format);
103 if ($format == 'rss')
104 $fmt_class = '_RecentChanges_RssFormatter';
105 elseif ($format == 'rss2')
106 $fmt_class = '_RecentChanges_Rss2Formatter'; elseif ($format == 'rss091') {
107 include_once 'lib/RSSWriter091.php';
108 $fmt_class = '_RecentChanges_RssFormatter091';
109 } elseif ($format == 'sidebar')
110 $fmt_class = '_RecentChanges_SideBarFormatter'; elseif ($format == 'box')
111 $fmt_class = '_RecentChanges_BoxFormatter'; else
112 $fmt_class = '_RelatedChanges_HtmlFormatter';
115 $fmt = new $fmt_class($args);
116 return $fmt->format($changes);
121 * list of pages which are linked from the current page.
122 * i.e. sort out all non-linked pages.
124 class RelatedChangesRevisionIterator extends WikiDB_PageRevisionIterator
126 function RelatedChangesRevisionIterator($revisions, &$dbi, $pagename)
128 $this->_revisions = $revisions;
129 $this->_wikidb = $dbi;
130 $page = $dbi->getPage($pagename);
131 $links = $page->getLinks();
132 $this->_links = array();
133 while ($linked_page = $links->next()) {
134 $this->_links[$linked_page->_pagename] = 1;
141 while (($rev = $this->_revisions->next())) {
142 if (isset($this->_links[$rev->_pagename]))
154 // c-hanging-comment-ender-p: nil
155 // indent-tabs-mode: nil