283 lines
12 KiB
Plaintext
283 lines
12 KiB
Plaintext
<?php
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class Poll {
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function Poll($poll) {
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$this = new Node($poll);
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$this->runtime = $poll[runtime];
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$this->active = $poll[active];
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$this->voters = $poll[voters];
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$this->choice = $poll[choice];
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$this->chvotes = $poll[chvotes];
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$this->chid = $poll[chid];
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}
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}
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function poll_cron() {
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$result = _node_get(array("type" => "poll"));
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while ($poll = db_fetch_array($result)) {
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if (($poll[active]) && ($poll[runtime])) {
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if (($poll[timestamp] + $poll[runtime]) < time()) {
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$poll[active] = 0;
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node_save($poll, array(active));
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}
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}
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}
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}
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function poll_delete($node) {
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if ($node->nid)
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{
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db_query("DELETE FROM poll_choices WHERE nid='" . $node->nid . "'");
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}
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}
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function poll_get_choices_array($poll) {
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if (!is_array($poll[choice])) {
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$result = db_query("SELECT * FROM poll_choices WHERE nid='" . $poll[nid] . "'");
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if ($result) {
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while ($choices = db_fetch_array($result)) {
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$m = max($m, $choices[chvotes]);
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$t += $choices[chvotes];
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$poll[choice][$choices[chorder]] = $choices[chtext];
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$poll[chvotes][$choices[chorder]] = $choices[chvotes];
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$poll[chid][$choices[chorder]] = $choices[chid];
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}
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if ($poll[choice]) ksort($poll[choice]);
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}
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}
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$poll[maxvotes] = max(1, $m);
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$poll[totalvotes] = $t;
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return $poll;
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}
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function poll_get_choices_obj($poll) {
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if (!is_array($poll->choice)) {
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$result = db_query("SELECT * FROM poll_choices WHERE nid='" . $poll->nid . "'");
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if ($result) {
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while ($choices = db_fetch_array($result)) {
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$m = max($m,$choices[chvotes]);
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$t += $choices[chvotes];
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$poll->choice[$choices[chorder]] = $choices[chtext];
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$poll->chvotes[$choices[chorder]] = $choices[chvotes];
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$poll->chid[$choices[chorder]] = $choices[chid];
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}
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if ($poll->choice) ksort($poll->choice);
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}
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}
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$poll->maxvotes = max(1, $m);
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$poll->totalvotes = $t;
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return $poll;
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}
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function poll_status() {
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return array(dumped, queued, posted);
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}
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function poll_search($keys) {
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global $PHP_SELF, $status;
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$result = db_query("SELECT n.*, p.* FROM poll p LEFT JOIN node n ON n.nid = p.nid AND n.lid = p.lid WHERE n.status = '$status[posted]' AND (n.title LIKE '%$keys%') LIMIT 20");
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while ($poll = db_fetch_object($result)) {
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$find[$i++] = array("title" => check_output($poll->title), "link" => (strstr($PHP_SELF, "admin.php") ? "admin.php?mod=poll&op=edit&id=$poll->nid" : "node.php?id=$poll->nid"), "user" => $poll->name, "date" => $poll->timestamp);
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}
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return $find;
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}
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function poll_help() {
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?>
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<p>Poll.module allows you to run simple multiple choice polls on your site. After creating the necessary categories, you can add a poll through this administration interface.</p>
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<p>The poll.module also has a block to show the latest poll. If you combine it with a poll category that doesn't promote to the mainpage, you'll get a side-block only poll system.</p>
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<p>If you want to set a limit on the duration of a poll, use the <i>Poll Duration</i> setting. After the specified interval, the poll will automatically be closed, preventing anymore voting.</p>
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<?php
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}
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function poll_graph($val) {
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global $theme;
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$clrfill = $theme->foreground ? $theme->foreground : "#000000";
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$clrempty = $theme->background ? $theme->background : "#ffffff";
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$p = round($val * 100);
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return "<table width=\"100%\" cellspacing=\"0\" cellpadding=\"0\"><tr>" . ($p ? "<td width=\"" . $p . "%\" style=\"background-color: $clrfill;\"><span style=\"font-size: 4pt;\"> </span></td>" : "") . ($p < 100 ? "<td style=\"background-color: $clrempty;\" width=\"" . (100 - $p) . "%\"><span style=\"font-size: 4pt;\"> </span></td>":"") . "</tr></table>";
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}
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function poll_view($node, $main = 0, $block = 0) {
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global $theme, $op, $user, $chid;
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$pollop = $op;
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if (($node->active) && (!field_get($node->voters, $user->name))) $voting = 1;
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if ((!$voting) && ($pollop != "View")) $pollop = "View";
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switch ($pollop) {
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case "Vote":
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if (($node->active) && (!field_get($node->voters, $user->name))) {
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$result = db_query("UPDATE poll_choices SET chvotes=chvotes+1 WHERE nid='" . $node->nid . "' && chid='" . check_input($chid) . "'");
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if (($result) && ($user)) {
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$new = node_get_array(array("nid" => $node->nid));
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$new[voters] = field_set($node->voters, $user->name, 1);
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node_save($new, array(voters));
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$node = node_get_object(array("nid" => $node->nid));
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}
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}
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case "View":
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$node = poll_get_choices_obj($node);
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$title = "<b>" . check_output($node->title) . "</b>";
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$footer = "<small>(" . format_plural($node->totalvotes ? $node->totalvotes : 0, "vote", "votes") . ")</small>";
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$node->totalvotes = max(1, $node->totalvotes);
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foreach ($node->choice as $key => $value) {
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if ($value) {
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if ($block) {
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$output .= (!$block ? "<br>" : "") . check_output($value) . "<br><table width=\"90%\" align=\"center\" cellspacing=\"1\" cellpadding=\"0\"><tr><td width=\"70%\" valign=\"middle\" align=\"left\">" . poll_graph($node->chvotes[$key] / $node->maxvotes, $theme->pollfill, $theme->pollempty) . "</td><td align=\"right\">" . round(($node->chvotes[$key] / $node->totalvotes) * 100) . "%</td></tr></table>";
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} else {
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$output .= "<table cellspacing=\"1\" cellpadding=\"0\" width=\"100%\"><tr><td width=\"20%\" valign=\"middle\" align=\"left\">" . check_output($value) . "</td><td width=\"70%\">" . poll_graph($node->chvotes[$key] / $node->maxvotes, $theme->pollfill, $theme->pollempty) . "</td><td width=\"10%\" align=\"right\">" . round(($node->chvotes[$key] / $node->totalvotes) * 100) . "%</td></tr></table>";
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}
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}
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}
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$output .= "<div align=\"center\">" . $footer . "</div>";
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break;
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default:
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$node = poll_get_choices_obj($node);
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$title = "<b>" . check_output($node->title) . "</b>";
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$footer = "<small>(" . format_plural($node->totalvotes ? $node->totalvotes : 0, "vote", "votes") . ")</small>";
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$node->totalvotes = max(1, $node->totalvotes);
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$output .= "<table align=\"center\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\"><tr><td align=\"left\">";
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foreach ($node->choice as $key => $value) {
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if ($value) {
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$output .= "<input type=\"radio\" name=\"chid\" value=\"" . $node->chid[$key] . "\"> " . check_output($value) . "<br>";
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}
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}
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if ($block) {
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$output .= "</td></tr></table><br><div align=\"center\">" . form_submit("Vote") . "<br>" . $footer . "</div>";
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} else {
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$output .= "</td><td> </td><td align=\"center\"><br><div align=\"center\">" . form_submit("Vote") . "<br>" . $footer . "</div></td></tr></table>";
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}
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$output = form($output);
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}
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if (!$block) {
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$node->body = $output;
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$theme->node($node, $main);
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}
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return array("title" => $title, "content" => $output);
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}
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function poll_form($edit = array(), $nocheck = 0) {
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global $user;
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$duration = array(0 => t("Unlimited"), 86400 => format_interval(86400), 172800 => format_interval(172800), 345600 => format_interval(345600), 604800 => format_interval(604800), 1209600 => format_interval(1209600), 2419200 => format_interval(2419200), 4838400 => format_interval(4838400), 9676800 => format_interval(9676800), 31536000 => format_interval(31536000));
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$active = array(0 => "Closed", 1 => "Active");
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$admin = ($edit[nid] && user_access("administer nodes")) ? 1 : 0;
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if ($admin && !is_array($edit[choices])) $edit = poll_get_choices_array($edit);
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/* Mini-form for number of choiceboxes */
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$choices = $edit[choices] ? $edit[choices] : max(2, count($edit[choices]) ? count($edit[choices]) : 5);
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for ($c = 2; $c <= 20; $c++) $opts[$c]=$c;
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$form .= form_select(t("Number of choices"), "choices", $choices, $opts, t("This box only specifies the number of boxes in this form, it doesn't have to equal the actual amount of choices in the poll."));
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$form .= form_submit(t("Preview")) . "<br><br><br>";
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/* Main form */
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$form .= form_item(t("Your name"), ($edit[name] ? $edit[name] : ($user->name ? $user->name : variable_get(anonymous, "Anonymous"))));
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$form .= form_hidden("name", $edit[name]);
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$form .= form_textfield(t("Question"), "title", $edit[title], 50, 127);
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for ($a = 0; $a < $choices; $a++) {
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$form .= form_textfield(t("Choice"). " " . ($a + 1), "choice][$a", $edit[choice][$a], 50, 127);
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if ($admin) $form .= form_textfield(strtr(t("Votes for choice %n"), array("%n" => ($a + 1))), "chvotes][$a", $edit[chvotes][$a] ? $edit[chvotes][$a] : 0, 7, 7);
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}
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$form .= form_select(t("Poll duration"), "runtime", $edit[runtime] ? $edit[runtime] : t("1 week"), $duration, t("After this period, the poll will automatically be closed."));
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if ($admin) $form .= form_select(t("Poll status"), "active", $edit[active], $active);
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$form .= node_attributes_edit("poll", $edit);
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// hidden fields:
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if ($edit[nid] > 0) {
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$form .= form_hidden("nid", $edit[nid]);
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}
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if ($nocheck) {
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$form .= form_submit(t("Preview"));
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}
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else if (!$edit[title]) {
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$form .= "<FONT COLOR=\"red\">". t("Warning: you did not supply a question.") ."</FONT><P>\n";
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$form .= form_submit(t("Preview"));
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}
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else if ((!$edit[choice][0]) && (!$edit[choice][1])) {
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$form .= "<FONT COLOR=\"red\">". t("Warning: you must supply at least 2 choices.") ."</FONT><P>\n";
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$form .= form_submit(t("Preview"));
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}
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else {
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$form .= form_submit(t("Preview"));
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$form .= form_submit(t("Submit"));
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}
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return form($form);
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}
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function poll_save($edit) {
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global $status, $user;
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if (!$edit[nid]) {
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$nid = node_save($edit, array(active => 1, attributes => node_attributes_save("poll", $edit), author => $user->uid, comment => variable_get("poll_comment", 0), moderate => variable_get("poll_moderate", ""), promote => variable_get("poll_promote", 0), runtime, score => 0, status => variable_get("poll_status", $status[queued]), timestamp => time(), title, type => "poll", votes => 0, voters => ""));
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}
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else if (user_access("administer nodes")) {
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$nid = node_save($edit, array(active, attributes => node_attributes_save("poll", $edit), runtime, title, type => "poll"));
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db_query("DELETE FROM poll_choices WHERE nid='" . $nid . "'");
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}
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if ($nid) {
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foreach ($edit[choice] as $key => $value) {
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if ($value) {
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$v[] = "('" . $nid . "', '" . check_input($value) . "', '". check_input($edit[chvotes][$key]) ."', '". check_input($key) ."')";
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}
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}
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db_query("INSERT INTO poll_choices (nid, chtext, chvotes, chorder) VALUES " . implode(",", $v));
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}
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}
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function poll_block() {
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global $status;
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$result = _node_get(array("type" => "poll"));
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while ($poll = db_fetch_object($result)) {
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if (($poll->active) && ($poll->status == $status[posted])) {
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$content = poll_view($poll, 0, 1);
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$output = "<b>" . $content[title] . "</b><br>" . $content[content] . "<br><div align=\"center\">[ <a href=\"node.php?id=" . $poll->nid . "\">" . t("read more") . "</a> ]</div>";
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break;
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}
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}
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$blocks[0][subject] = "Latest poll";
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$blocks[0][content] = $output ? $output : "No active polls.";
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$blocks[0][info] = "Most recent poll";
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$blocks[0][link] = "index.php";
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return $blocks;
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}
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function poll_user() {
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global $edit, $op, $theme, $user;
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switch($op) {
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case t("Refresh"):
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$refresh = 1;
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case t("Preview"):
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$theme->box(t("Submit"), poll_form($edit, $refresh));
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break;
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case t("Submit"):
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poll_save($edit);
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$theme->box(t("Submit"), t("Thank you for your submission."));
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break;
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default:
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$theme->box(t("Submit"), poll_form());
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}
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}
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?>
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