$max_value)) || (!IsSet($max_value))) { $max_value = $value; } } if (!isset($max_value)) { // no results! return null; } $string_to_return = "\n "; if ($max_value > 0) { $pixels_per_value = ((double) $max_width) / $max_value; } else { $pixels_per_value = 0; } $counter = 0; $img_url= getImagePath('bar.gif'); foreach ($array as $name => $value) { $bar_width = $value * $pixels_per_value; $string_to_return .= "\n\t" . "\n\t" . "\n\t" . "\n\t" . "\n\t"; } $string_to_return .= "\n

(". ++$counter .")

$name ($value)

$\"BAR\"$

"; return($string_to_return); } function saveResults($votes) { global $gallery; if (!$votes) { return; } if ($gallery->album->getPollType() == "critique") { foreach ($votes as $vote_key => $vote_value) { if ($vote_value === null || $vote_value == "NULL") { if (isset($gallery->album->fields["votes"][$vote_key][getVotingID()])) { unset($gallery->album->fields["votes"][$vote_key][getVotingID()]); } } else { $gallery->album->fields["votes"][$vote_key][getVotingID()]=intval($vote_value); } } } else { krsort($votes, SORT_NUMERIC); foreach ($votes as $vote_value => $vote_key) { if (isset($gallery->album->fields["votes"] [$vote_key] [getVotingID()]) && $gallery->album->fields["votes"] [$vote_key] [getVotingID()] ===intval($vote_value)) { //vote hasn't changed, so skip to next one continue; } foreach ($gallery->album->fields["votes"] as $previous_key => $previous_vote) { if (isset($previous_vote[getVotingID()]) && $previous_vote[getVotingID()] === intval($vote_value)) { unset($gallery->album->fields["votes"][$previous_key][getVotingID()]); } } $gallery->album->fields["votes"][$vote_key][getVotingID()] = intval($vote_value); } } $gallery->album->save(array(i18n("New vote recorded"))); } function getVotingID() { global $gallery; if ($gallery->album->getVoterClass() == "Logged in") { return $gallery->user->getUid(); } else if ($gallery->album->getVoterClass() == "Everybody") { return session_id(); } else { return NULL; } } /** * Is user allowed to vote? * * @return $canVote boolean true if user can vote, false if not. */ function canVote() { global $gallery; static $canVote; if(isset($canVote)) { return $canVote; } if ($gallery->album->numPhotos($gallery->user->canWriteToAlbum($gallery->album)) == 0) { $canVote = false; } else if ($gallery->album->getVoterClass() == "Everybody") { $canVote = true; } elseif ($gallery->album->getVoterClass() == "Logged in" && $gallery->user->isLoggedIn()) { $canVote = true; } else { $canVote = false; } return $canVote; } function addPolling ($id, $form_pos = -1, $immediate = true) { global $gallery; if ( !canVote()) { return; } if (isset($gallery->album->fields['votes'][$id][getVotingID()])) { $current_vote = $gallery->album->fields['votes'][$id][getVotingID()]; } else { $current_vote = -1; } $nv_pairs=$gallery->album->getVoteNVPairs(); print $gallery->album->getPollHint(); if ($gallery->album->getPollScale() == 1 && $gallery->album->getPollType() == 'critique') { print "\n 0) { print 'checked'; } print '>'.$nv_pairs[0]['name']; } else if ($gallery->album->getPollType() == 'rank') { if ($gallery->album->getPollHorizontal()) { print ''; for ($i = 0; $i < $gallery->album->getPollScale() ; $i++) { print "\n'; } print ''; for ($i = 0; $i < $gallery->album->getPollScale() ; $i++) { print ''; } print '

album->getPollScale().")\" "; if ($current_vote === $i) { print 'checked'; } print '>

'. $nv_pairs[$i]['name'] .'

'; } else { print ''; for ($i = 0; $i < $gallery->album->getPollScale() ; $i++) { print ''; print "\n'; print ''; print ''; } print '

album->getPollScale().")\" "; if ($current_vote === $i) { print 'checked'; } print '>

'. $nv_pairs[$i]['name']. '

'; } } else { // "critique" if ($immediate) { print "\n
"; } if ($current_vote == -1) { print '\n"; } for ($i = 0; $i < $gallery->album->getPollScale() ; $i++) { $sel=''; if ($current_vote === $i) { $sel = 'selected'; } print "\n"; } print ''; } } function showResultsGraph($num_rows) { global $gallery; $results = array(); $results_count = array(); $nv_pairs = $gallery->album->getVoteNVPairs(); $buf = ''; $voters = array(); foreach ($gallery->album->fields["votes"] as $element => $image_votes) { $accum_votes = 0; $count = 0; foreach ($image_votes as $voter => $vote_value ) { $voters[$voter] = true; if ($vote_value> $gallery->album->getPollScale()) { // scale has changed $vote_value = $gallery->album->getPollScale(); } $accum_votes += $nv_pairs[$vote_value]["value"]; $count++; } if ($accum_votes > 0) { $results_count[$element]=$count; if ($gallery->album->getPollType() == "rank" || $gallery->album->getPollScale() == 1) { $results[$element]=$accum_votes; $summary = gTranslate('common', "(Total points in brackets)"); } else { $results[$element] = number_format(((double)$accum_votes)/$count, 2); $summary = gTranslate('common', "(Average points in brackets)"); } } } array_multisort($results, SORT_NUMERIC, SORT_DESC, $results_count, SORT_NUMERIC, SORT_DESC); $rank = 0; $graph = array(); $needs_saving = false; foreach ($results as $element => $count) { $index = $gallery->album->getIndexByVotingId($element); if ($index < 0) { // image has been deleted! continue; } if ($gallery->album->isAlbum($index)) { $url = makeAlbumUrl($gallery->album->getAlbumName($index)); $album = $gallery->album->getSubAlbum($index); $desc = sprintf(gTranslate('common', "Album: %s"), $album->fields['title']); } else { $id = $gallery->album->getPhotoId($index); $url = makeAlbumUrl($gallery->session->albumName, $id); $desc = $gallery->album->getCaption($index); if (trim($desc) == '') { $desc = $id; } } $current_rank = $gallery->album->getRank($index); $rank++; if ($rank != $current_rank) { $needs_saving = true; $gallery->album->setRank($index, $rank); } if ($rank > $num_rows) { continue; } $name_string = ''; $name_string.= $desc; $name_string.= ""; $name_string.= " - ". gTranslate('common', "1 voter", "%d voters", $results_count[$element], '', true); $graph[$name_string] = $count; } if ($needs_saving) { $gallery->album->save(); } $graph = arrayToBarGraph($graph, 300); if ($graph) { $buf .="

". gTranslate('common', "Result from one voter", "Result of %d voters", sizeof($voters), '', true) . ''; if ($gallery->album->getPollType() == "critique") { $key_string = ''; foreach ($nv_pairs as $nv_pair) { if (empty($nv_pair["name"])) { continue; } $key_string .= sprintf(gTranslate('common',"%s: %s points; "), $nv_pair["name"], $nv_pair["value"]); } if (strlen($key_string) > 0) { $buf .= "
". sprintf(gTranslate('common',"Key - %s"), $key_string)." $summary
"; } } $buf .= $graph . '

'; } return array($buf, $results); } function showResults($id) { global $gallery; $vote_tally = array(); $nv_pairs = $gallery->album->getVoteNVPairs(); if (isSet ($gallery->album->fields["votes"][$id])) { foreach ($gallery->album->fields["votes"][$id] as $vote) { if (!isSet($vote_tally[$vote])) { $vote_tally[$vote] = 1; } else { $vote_tally[$vote]++; } } } // $buf .= ""._("Poll results:")."
"; if (sizeof($vote_tally) === 0) { return gTranslate('common', "No votes"); } $html = ""; /* $html .= "\n"; */ $index = $gallery->album->getIndexByVotingId($id); $html .= "\n"; ksort($vote_tally); foreach ($vote_tally as $key => $value) { $html .= sprintf("\n", $nv_pairs[$key]["name"], gTranslate('common', "One vote", "%d votes", $value, '', true)); } $html .= "

". gTranslate('common', "Poll results") . "
' . sprintf(gTranslate('common', "Position %d overall, due to these votes:"), $gallery->album->getRank($index)) . "
%s	:	%s

"; return $html; } /** * This is a hack around the voting code. * Note $gallery->album must be set */ function buildVotingInputFields() { global $gallery; $nv_pairs = $gallery->album->getVoteNVPairs(); $votingInputFieldArray = array(); for ($i = 0; $i < $gallery->album->getPollScale() ; $i++) { $votingInputFieldArray[] = ""; $votingInputFieldArray[] = ""; } return $votingInputFieldArray; } ?>