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<?php // -*-php-*-
rcs_id('$Id: LinkDatabase.php,v 1.7 2004/12/26 17:17:25 rurban Exp $');
/**
Copyright 2004 $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');
require_once('lib/WikiPluginCached.php');
/**
* - To be used by WikiBrowser at http://touchgraph.sourceforge.net/
* Only via a static text file yet. (format=text)
* - Or the Hypergraph applet (format=xml)
* http://hypergraph.sourceforge.net/
* So far also only for a static xml file, but I'll fix the applet and test
* the RPC2 interface.
*
* TODO: Currently the meta-head tags disturb the touchgraph java browser a bit.
* Maybe add a theme without that much header tags.
*/
class WikiPlugin_LinkDatabase
extends WikiPluginCached
{
function getName () {
return _("LinkDatabase");
}
function getPluginType() {
return PLUGIN_CACHED_HTML;
}
function getDescription () {
return _("List all pages with all links in various formats for some Java Visualization tools");
}
function getVersion() {
return preg_replace("/[Revision: $]/", '',
"\$Revision: 1.7 $");
}
function getExpire($dbi, $argarray, $request) {
return '+900'; // 15 minutes
}
function getDefaultArguments() {
return array_merge
(
PageList::supportedArgs(),
array(
'format' => 'html', // 'html', 'text', 'xml'
'noheader' => false,
'include_empty' => false,
'exclude_from' => false,
'info' => '',
));
}
function getHtml($dbi, $argarray, $request, $basepage) {
$this->run($dbi, WikiPluginCached::glueArgs($argarray), $request, $basepage);
}
function run($dbi, $argstr, $request, $basepage) {
global $WikiTheme;
$args = $this->getArgs($argstr, $request);
$caption = _("All pages with all links in this wiki (%d total):");
if ( !empty($args['owner']) ) {
$pages = PageList::allPagesByOwner($args['owner'],$args['include_empty'],
$args['sortby'],$args['limit']);
if ($args['owner'])
$caption = fmt("List of pages owned by [%s] (%d total):",
WikiLink($args['owner'], 'if_known'),
count($pages));
} elseif ( !empty($args['author']) ) {
$pages = PageList::allPagesByAuthor($args['author'],$args['include_empty'],
$args['sortby'],$args['limit']);
if ($args['author'])
$caption = fmt("List of pages last edited by [%s] (%d total):",
WikiLink($args['author'], 'if_known'),
count($pages));
} elseif ( !empty($args['creator']) ) {
$pages = PageList::allPagesByCreator($args['creator'],$args['include_empty'],
$args['sortby'],$args['limit']);
if ($args['creator'])
$caption = fmt("List of pages created by [%s] (%d total):",
WikiLink($args['creator'], 'if_known'),
count($pages));
} else {
if (! $request->getArg('count'))
$args['count'] = $dbi->numPages($args['include_empty'], $args['exclude_from']);
else $args['count'] = $request->getArg('count');
$pages = $dbi->getAllPages($args['include_empty'], $args['sortby'],
$args['limit'], $args['exclude_from']);
}
if ($args['format'] == 'html') {
$args['types']['links'] =
new _PageList_Column_LinkDatabase_links('links', _("Links"), 'left');
$pagelist = new PageList($args['info'], $args['exclude_from'], $args);
if (!$args['noheader']) $pagelist->setCaption($caption);
return $pagelist;
} elseif ($args['format'] == 'text') {
$request->discardOutput();
$request->buffer_output(false);
if (!headers_sent())
header("Content-Type: text/plain");
$request->checkValidators();
while ($page = $pages->next()) {
echo $page->getName();
$links = $page->getPageLinks(false, $args['sortby'], $args['limit'],
$args['exclude']);
while ($link = $links->next()) {
echo " ", $link->getName();
}
echo "\n";
}
flush();
if (empty($WikiTheme->DUMP_MODE))
$request->finish();
} elseif ($args['format'] == 'xml') {
// For hypergraph.jar. Best dump it to a local sitemap.xml periodically
global $WikiTheme, $charset;
$currpage = $request->getArg('pagename');
$request->discardOutput();
$request->buffer_output(false);
if (!headers_sent())
header("Content-Type: text/xml");
$request->checkValidators();
echo "<?xml version=\"1.0\" encoding=\"$charset\"?>";
// As applet it prefers only "GraphXML.dtd", but then we must copy it to the webroot.
$dtd = $WikiTheme->_findData("GraphXML.dtd");
echo "<!DOCTYPE GraphXML SYSTEM \"$dtd\">\n";
echo "<GraphXML xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n";
echo "<graph id=\"",MangleXmlIdentifier(WIKI_NAME),"\">\n";
echo '<style><line tag="node" class="main" colour="#ffffff"/><line tag="node" class="child" colour="blue"/><line tag="node" class="relation" colour="green"/></style>',"\n\n";
while ($page = $pages->next()) {
$pageid = MangleXmlIdentifier($page->getName());
$pagename = $page->getName();
echo "<node name=\"$pageid\"";
if ($pagename == $currpage) echo " class=\"main\"";
echo "><label>$pagename</label>";
echo "<dataref><ref xlink:href=\"",WikiURL($pagename,'',true),"\"/></dataref></node>\n";
$links = $page->getPageLinks(false, $args['sortby'], $args['limit'], $args['exclude']);
while ($link = $links->next()) {
$edge = MangleXmlIdentifier($link->getName());
echo "<edge source=\"$pageid\" target=\"$edge\" />\n";
}
echo "\n";
}
echo "</graph>\n";
echo "</GraphXML>\n";
if (empty($WikiTheme->DUMP_MODE)) {
unset($GLOBALS['ErrorManager']->_postponed_errors);
$request->finish();
}
} else {
return $this->error(fmt("Unsupported format argument %s", $args['format']));
}
}
};
class _PageList_Column_LinkDatabase_links extends _PageList_Column {
function _getValue($page, &$revision_handle) {
$out = HTML();
$links = $page->getPageLinks();
while ($link = $links->next()) {
$out->pushContent(" ", WikiLink($link));
}
return $out;
}
}
// $Log: LinkDatabase.php,v $
// Revision 1.7 2004/12/26 17:17:25 rurban
// announce dumps - mult.requests to avoid request::finish, e.g. LinkDatabase, PdfOut, ...
//
// Revision 1.6 2004/12/22 18:48:10 rurban
// default format=html for unit-tests and DumpHtml/Zip breakage
//
// Revision 1.5 2004/12/17 16:39:03 rurban
// minor reformatting
//
// Revision 1.4 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 1.3 2004/11/30 23:44:00 rurban
// some comments
//
// Revision 1.2 2004/11/30 23:02:45 rurban
// format=xml for hypergraph.sf.net applet
//
// Revision 1.1 2004/11/30 21:02:16 rurban
// A simple plugin for WikiBrowser at http://touchgraph.sourceforge.net/
// List all pages with all links as text file (with some caching tricks).
// format=html currently unstable.
//
// 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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