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<?php // -*-php-*-
rcs_id('$Id: RelatedChanges.php,v 1.5 2005/01/25 03:50:54 uckelman Exp $');
/**
* List of changes on all pages which are linked to from this page.
* This is good usage for an action button, similar to LikePages.
*
* DONE: days links requires action=RelatedChanges arg
*/
require_once("lib/plugin/RecentChanges.php");
class _RelatedChanges_HtmlFormatter
extends _RecentChanges_HtmlFormatter
{
function description() {
return HTML::p(false, $this->pre_description(),
fmt(" (to pages linked from \"%s\")",$this->_args['page']));
}
}
class WikiPlugin_RelatedChanges
extends WikiPlugin_RecentChanges
{
function getName () {
return _("RecentEdits");
}
function getVersion() {
return preg_replace("/[Revision: $]/", '',
"\$Revision: 1.5 $");
}
function getDefaultArguments() {
//php-4.0.4pl1 breaks at the parent:: line even if the
// code doesn't reach this line
//if (!check_php_version(4,0,6))
$args = WikiPlugin_RecentChanges::getDefaultArguments();
//else $args = parent::getDefaultArguments();
$args['page'] = '[pagename]';
$args['show_minor'] = true;
$args['show_all'] = true;
$args['caption'] = _("Related Changes");
return $args;
}
function getChanges ($dbi, $args) {
$changes = $dbi->mostRecent($this->getMostRecentParams($args));
$show_deleted = $args['show_deleted'];
if ($show_deleted == 'sometimes')
$show_deleted = $args['show_minor'];
if (!$show_deleted)
$changes = new NonDeletedRevisionIterator($changes, !$args['show_all']);
// sort out pages not linked from our page
$changes = new RelatedChangesRevisionIterator($changes, $dbi, $args['page']);
return $changes;
}
// box is used to display a fixed-width, narrow version with common header.
// just a numbered list of limit pagenames, without date.
function box($args = false, $request = false, $basepage = false) {
if (!$request) $request =& $GLOBALS['request'];
if (!isset($args['limit'])) $args['limit'] = 15;
$args['format'] = 'box';
$args['show_minor'] = false;
$args['show_major'] = true;
$args['show_deleted'] = false;
$args['show_all'] = false;
$args['days'] = 90;
return $this->makeBox(WikiLink(_("RelatedChanges"),'',_("Related Changes")),
$this->format($this->getChanges($request->_dbi, $args), $args));
}
function format ($changes, $args) {
global $WikiTheme;
$format = $args['format'];
$fmt_class = $WikiTheme->getFormatter('RelatedChanges', $format);
if (!$fmt_class) {
if ($format == 'rss')
$fmt_class = '_RecentChanges_RssFormatter';
elseif ($format == 'rss2')
$fmt_class = '_RecentChanges_Rss2Formatter';
elseif ($format == 'rss091') {
include_once "lib/RSSWriter091.php";
$fmt_class = '_RecentChanges_RssFormatter091';
}
elseif ($format == 'sidebar')
$fmt_class = '_RecentChanges_SideBarFormatter';
elseif ($format == 'box')
$fmt_class = '_RecentChanges_BoxFormatter';
else
$fmt_class = '_RelatedChanges_HtmlFormatter';
}
$fmt = new $fmt_class($args);
return $fmt->format($changes);
}
}
/**
* list of pages which are linked from the current page.
* i.e. sort out all non-linked pages.
*/
class RelatedChangesRevisionIterator extends WikiDB_PageRevisionIterator
{
function RelatedChangesRevisionIterator ($revisions, &$dbi, $pagename) {
$this->_revisions = $revisions;
$this->_wikidb = $dbi;
$page = $dbi->getPage($pagename);
$links = $page->getLinks();
$this->_links = array();
while ($linked_page = $links->next()) {
$this->_links[$linked_page->_pagename] = 1;
}
$links->free();
}
function next () {
while (($rev = $this->_revisions->next())) {
if (isset($this->_links[$rev->_pagename]))
return $rev;
}
$this->free();
return false;
}
}
// $Log: RelatedChanges.php,v $
// Revision 1.5 2005/01/25 03:50:54 uckelman
// pre_description is a member function, so call with $this->.
//
// Revision 1.4 2005/01/24 23:15:27 uckelman
// The extra description for RelatedChanges was appearing in RecentChanges
// and PageHistory due to a bad test in _RecentChanges_HtmlFormatter. Fixed.
//
// Revision 1.3 2004/06/03 18:58:27 rurban
// days links requires action=RelatedChanges arg
//
// Revision 1.2 2004/05/08 14:06:13 rurban
// new support for inlined image attributes: [image.jpg size=50x30 align=right]
// minor stability and portability fixes
//
// Revision 1.1 2004/04/21 04:29:10 rurban
// Two convenient RecentChanges extensions
// RelatedChanges (only links from current page)
// RecentEdits (just change the default args)
//
// (c-file-style: "gnu")
// 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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