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<?php // -*-php-*-
rcs_id('$Id: WikiPoll.php,v 1.9 2004/06/16 10:38:59 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
*/
/**
* This plugin provides configurable polls.
*
* Usage:
<?plugin WikiPoll require_all=0 require_least=2
question[1]="Do you like PhpWiki?"
answer[1][1]="Yes" answer[1][2]="Do not know" answer[1][3]="No"
question[2]="Do you have PhpWiki installed by your own?"
answer[2][1]="Yes" answer[2][2]="No"
question[3]="Did you install any other wiki engine?"
answer[3][1]="Yes" answer[3][2]="No"
question[4]="What wiki engine do you like most?"
answer[4][1]="c2Wiki" answer[4][2]="MoinMoin" answer[4][3]="PhpWiki"
answer[4][4]="usemod" answer[4][5]="Twiki" answer[4][5]="guiki"
answer[4][6]="Other"
question[5]="Which PhpWiki version do you use?"
answer[5][1]="1.2.x" answer[5][2]="1.3. 1-2" answer[5][3]="1.3.3-4"
answer[5][4]="1.3.5-8"
?>
*
* Administration:
* <?plugin WikiPoll page=PhpWikiPoll admin=1 ?>
* and protect this page properly (e.g. PhpWikiPoll/Admin)
*
* TODO:
* admin page (view and reset statistics)
* for now only radio, support checkboxes (multiple selections) also?
*
* Author: ReiniUrban
*/
class WikiPlugin_WikiPoll
extends WikiPlugin
{
var $_args;
function getName () {
return _("WikiPoll");
}
function getDescription () {
return _("Enable configurable polls");
}
function getVersion() {
return preg_replace("/[Revision: $]/", '',
"\$Revision: 1.9 $");
}
function getDefaultArguments() {
return array('page' => '[pagename]',
'admin' => false,
'require_all' => 1, // 1 if all questions must be answered
'require_least' => 0, // how many at least
);
}
function getArgs($argstr, $request=false, $defaults = false) {
if ($defaults === false)
$defaults = $this->getDefaultArguments();
//Fixme: on POST argstr is empty
$args = array();
list ($argstr_args, $argstr_defaults) = $this->parseArgStr($argstr);
if (isset($argstr_args["question_1"])) {
$args['question'] = $this->str2array("question",$argstr_args);
$args['answer'] = array();
for ($i = 0; $i <= count($args['question']); $i++) {
if ($array = $this->str2array(sprintf("%s_%d","answer",$i),$argstr_args))
$args['answer'][$i] = $array;
}
}
if (!empty($defaults))
foreach ($defaults as $arg => $default_val) {
if (isset($argstr_args[$arg]))
$args[$arg] = $argstr_args[$arg];
elseif ( $request and ($argval = $request->getArg($arg)) !== false )
$args[$arg] = $argval;
elseif (isset($argstr_defaults[$arg]))
$args[$arg] = (string) $argstr_defaults[$arg];
else
$args[$arg] = $default_val;
if ($request)
$args[$arg] = $this->expandArg($args[$arg], $request);
unset($argstr_args[$arg]);
unset($argstr_defaults[$arg]);
}
foreach (array_merge($argstr_args, $argstr_defaults) as $arg => $val) {
if (!preg_match("/^(answer_|question_)/",$arg))
trigger_error(sprintf(_("argument '%s' not declared by plugin"),
$arg), E_USER_NOTICE);
}
return $args;
}
function handle_plugin_args_cruft($argstr, $args) {
$argstr = str_replace("\n"," ",$argstr);
$argstr = str_replace(array("[","]"),array("_",""),$argstr);
$this->_args = $this->getArgs($argstr, $GLOBALS['request']);
return;
}
function str2array($var, $obarray=false) {
if (!$obarray) $obarray = $GLOBALS;
$i = 0; $array = array();
$name = sprintf("%s_%d",$var,$i);
if (isset($obarray[$name])) $array[$i] = $obarray[$name];
do {
$i++;
$name = sprintf("%s_%d",$var,$i);
if (isset($obarray[$name])) $array[$i] = $obarray[$name];
} while (isset($obarray[$name]));
return $array;
}
function run($dbi, $argstr, &$request, $basepage) {
if (!isset($_SERVER))
$_SERVER =& $GLOBALS['HTTP_SERVER_VARS'];
$request->setArg('nocache','purge');
$args = $this->getArgs($argstr, $request);
if (!$args['page'])
return $this->error("No page specified");
if (!empty($args['admin']) and $request->_user->isAdmin()) {
// reset statistics
return $this->doPollAdmin($dbi, $request, $page);
}
extract($this->_args);
$page = $dbi->getPage($args['page']);
// check ip and last visit
$poll = $page->get("poll");
$ip = $_SERVER['REMOTE_ADDR'];
$disable_submit = false;
if (isset($poll['ip'][$ip]) and ((time() - $poll['ip'][$ip]) < 20*60)) {
//view at least the result or disable the Go button
$html = HTML(HTML::strong(
_("Sorry! You must wait at least 20 minutes until you can vote again!")));
$html->pushContent($this->doPoll($page, $request, $request->getArg('answer'),true));
return $html;
}
$poll['ip'][$ip] = time();
// purge older ip's
foreach ($poll['ip'] as $ip => $time) {
if ((time() - $time) > 21*60)
unset($poll['ip'][$ip]);
}
$html = HTML::form(array('action' => $request->getPostURL(),
'method' => 'POST'));
if ($request->isPost()) {
// checkme: check if all answers are answered
if ($request->getArg('answer') and (
($args['require_all'] and
count($request->getArg('answer')) == count($question))
or
($args['require_least'] and
count($request->getArg('answer')) >= $args['require_least']))) {
$page->set("poll", $poll);
// update statistics and present them the user
return $this->doPoll($page, $request, $request->getArg('answer'));
} else {
$html->pushContent(HTML::p(HTML::strong(_("Not enough questions answered!"))));
}
}
$init = isset($question[0]) ? 0 : 1;
for ($i = $init; $i <= count($question); $i++) {
if (!isset($question[$i])) break;
$q = $question[$i];
if (!isset($answer[$i]))
trigger_error(fmt("Missing %s for %s","answer"."[$i]","question"."[$i]"),
E_USER_ERROR);
$a = $answer[$i];
if (! is_array($a)) {
// a simple checkbox
$html->pushContent(HTML::p(HTML::strong($q)));
$html->pushContent(HTML::div(
HTML::input(array('type' => 'checkbox',
'name' => "answer[$i]",
'value' => 1)),
HTML::raw(" "), $a));
} else {
$row = HTML();
for ($j=0; $j <= count($a); $j++) {
if (isset($a[$j]))
$row->pushContent(HTML::div(
HTML::input(array('type' => 'radio',
'name' => "answer[$i]",
'value' => $j)),
HTML::raw(" "), $a[$j]));
}
$html->pushContent(HTML::p(HTML::strong($q)),$row);
}
}
if (!$disable_submit)
$html->pushContent(HTML::p(
HTML::input(array('type' => 'submit',
'name' => "WikiPoll",
'value' => _("Ok"))),
HTML::input(array('type' => 'reset',
'name' => "reset",
'value' => _("Reset")))));
else
$html->pushContent(HTML::p(),HTML::strong(
_("Sorry! You must wait at least 20 minutes until you can vote again!")));
return $html;
}
function bar($percent) {
global $WikiTheme;
return HTML(HTML::img(array('src' => $WikiTheme->getImageUrl('leftbar'),
'alt' => '<')),
HTML::img(array('src' => $WikiTheme->getImageUrl('mainbar'),
'alt' => '-',
'width' => sprintf("%02d",$percent),
'height' => 14)),
HTML::img(array('src' => $WikiTheme->getImageUrl('rightbar'),
'alt' => '>')));
}
function doPoll($page, $request, $answers, $readonly = false) {
$question = $this->_args['question'];
$answer = $this->_args['answer'];
$html = HTML::table(array('cellspacing' => 2));
$init = isset($question[0]) ? 0 : 1;
for ($i = $init; $i <= count($question); $i++) {
if (!isset($question[$i])) break;
$poll = $page->get('poll');
@$poll['data']['all'][$i]++;
$q = $question[$i];
if (!isset($answer[$i]))
trigger_error(fmt("Missing %s for %s","answer"."[$i]","question"."[$i]"),
E_USER_ERROR);
if (!$readonly)
$page->set('poll',$poll);
$a = $answer[$i];
$result = (isset($answers[$i])) ? $answers[$i] : -1;
if (! is_array($a) ) {
$checkbox = HTML::input(array('type' => 'checkbox',
'name' => "answer[$i]",
'value' => $a));
if ($result >= 0)
$checkbox->setAttr('checked',1);
if (!$readonly)
list($percent,$count,$all) = $this->storeResult($page, $i, $result ? 1 : 0);
else
list($percent,$count,$all) = $this->getResult($page, $i, 1);
$print = sprintf(_(" %d%% (%d/%d)"), $percent, $count, $all);
$html->pushContent(HTML::tr(HTML::th(array('colspan' => 4,'align'=>'left'),$q)));
$html->pushContent(HTML::tr(HTML::td($checkbox),
HTML::td($a),
HTML::td($this->bar($percent)),
HTML::td($print)));
} else {
$html->pushContent(HTML::tr(HTML::th(array('colspan' => 4,'align'=>'left'),$q)));
$row = HTML();
if (!$readonly)
$this->storeResult($page, $i, $answers[$i]);
for ($j=0; $j <= count($a); $j++) {
if (isset($a[$j])) {
list($percent,$count,$all) = $this->getResult($page,$i,$j);
$print = sprintf(_(" %d%% (%d/%d)"), $percent, $count, $all);
$radio = HTML::input(array('type' => 'radio',
'name' => "answer[$i]",
'value' => $j));
if ($result == $j)
$radio->setAttr('checked',1);
$row->pushContent(HTML::tr(HTML::td($radio),
HTML::td($a[$j]),
HTML::td($this->bar($percent)),
HTML::td($print)));
}
}
$html->pushContent($row);
}
}
if (!$readonly)
return HTML(HTML::h3(_("The result of this poll so far:")),$html,HTML::p(_("Thanks for participating!")));
else
return HTML(HTML::h3(_("The result of this poll so far:")),$html);
}
function getResult($page,$i,$j) {
$poll = $page->get("poll");
@$count = $poll['data']['count'][$i][$j];
@$all = $poll['data']['all'][$i];
$percent = sprintf("%d", $count * 100.0 / $all);
return array($percent,$count,$all);
}
function storeResult($page, $i, $j) {
$poll = $page->get("poll");
if (!$poll) {
$poll = array('data' => array('count' => array(),
'all' => array()));
}
@$poll['data']['count'][$i][$j]++;
//@$poll['data']['all'][$i];
$page->set("poll",$poll);
$percent = sprintf("%d", $poll['data']['count'][$i][$j] * 100.0 / $poll['data']['all'][$i]);
return array($percent,$poll['data']['count'][$i][$j],$poll['data']['all'][$i]);
}
};
// $Log: WikiPoll.php,v $
// Revision 1.9 2004/06/16 10:38:59 rurban
// Disallow refernces in calls if the declaration is a reference
// ("allow_call_time_pass_reference clean").
// PhpWiki is now allow_call_time_pass_reference = Off clean,
// but several external libraries may not.
// In detail these libs look to be affected (not tested):
// * Pear_DB odbc
// * adodb oracle
//
// Revision 1.8 2004/06/14 11:31:39 rurban
// renamed global $Theme to $WikiTheme (gforge nameclash)
// inherit PageList default options from PageList
// default sortby=pagename
// use options in PageList_Selectable (limit, sortby, ...)
// added action revert, with button at action=diff
// added option regex to WikiAdminSearchReplace
//
// Revision 1.7 2004/05/01 15:59:29 rurban
// more php-4.0.6 compatibility: superglobals
//
// Revision 1.6 2004/03/01 18:08:53 rurban
// oops, checked in the debug version. revert to IP check on
//
// Revision 1.5 2004/03/01 16:11:13 rurban
// graphical enhancement
//
// Revision 1.4 2004/02/26 01:42:27 rurban
// don't cache this at all
//
// Revision 1.3 2004/02/24 03:54:46 rurban
// lock page, more questions, new require_least arg
//
// Revision 1.2 2004/02/24 03:21:46 rurban
// enabled require_all check in WikiPoll
// better handling of <20 min visiting client: display results so far
//
//
// 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:
?>
|
