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
19 * along with PhpWiki; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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() {
36 return HTML::p(false, $this->pre_description(),
37 fmt(" (to pages linked from \"%s\")",$this->_args['page']));
41 class WikiPlugin_RelatedChanges
42 extends WikiPlugin_RecentChanges
45 return _("RecentEdits");
48 function getDescription () {
49 return _("List of changes on all pages which are linked to from this page.");
52 function getDefaultArguments() {
53 //php-4.0.4pl1 breaks at the parent:: line even if the
54 // code doesn't reach this line
55 //if (!check_php_version(4,0,6))
56 $args = WikiPlugin_RecentChanges::getDefaultArguments();
57 //else $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) {
66 $changes = $dbi->mostRecent($this->getMostRecentParams($args));
68 $show_deleted = $args['show_deleted'];
69 if ($show_deleted == 'sometimes')
70 $show_deleted = $args['show_minor'];
72 $changes = new NonDeletedRevisionIterator($changes, !$args['show_all']);
74 // sort out pages not linked from our page
75 $changes = new RelatedChangesRevisionIterator($changes, $dbi, $args['page']);
79 // box is used to display a fixed-width, narrow version with common header.
80 // just a numbered list of limit pagenames, without date.
81 function box($args = false, $request = false, $basepage = false) {
82 if (!$request) $request =& $GLOBALS['request'];
83 if (!isset($args['limit'])) $args['limit'] = 15;
84 $args['format'] = 'box';
85 $args['show_minor'] = false;
86 $args['show_major'] = true;
87 $args['show_deleted'] = false;
88 $args['show_all'] = false;
90 return $this->makeBox(WikiLink(_("RelatedChanges"),'',_("Related Changes")),
91 $this->format($this->getChanges($request->_dbi, $args), $args));
94 function format ($changes, $args) {
96 $format = $args['format'];
98 $fmt_class = $WikiTheme->getFormatter('RelatedChanges', $format);
100 if ($format == 'rss')
101 $fmt_class = '_RecentChanges_RssFormatter';
102 elseif ($format == 'rss2')
103 $fmt_class = '_RecentChanges_Rss2Formatter';
104 elseif ($format == 'rss091') {
105 include_once "lib/RSSWriter091.php";
106 $fmt_class = '_RecentChanges_RssFormatter091';
108 elseif ($format == 'sidebar')
109 $fmt_class = '_RecentChanges_SideBarFormatter';
110 elseif ($format == 'box')
111 $fmt_class = '_RecentChanges_BoxFormatter';
113 $fmt_class = '_RelatedChanges_HtmlFormatter';
116 $fmt = new $fmt_class($args);
117 return $fmt->format($changes);
122 * list of pages which are linked from the current page.
123 * i.e. sort out all non-linked pages.
125 class RelatedChangesRevisionIterator extends WikiDB_PageRevisionIterator
127 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;
140 while (($rev = $this->_revisions->next())) {
141 if (isset($this->_links[$rev->_pagename]))
149 // (c-file-style: "gnu")
154 // c-hanging-comment-ender-p: nil
155 // indent-tabs-mode: nil