256 lines
8.0 KiB
Plaintext
256 lines
8.0 KiB
Plaintext
<?php
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// $Id$
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/**
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* @file
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* Displays a calendar to navigate old content.
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*/
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/**
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* Implementation of hook_help().
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*/
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function archive_help($section) {
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switch ($section) {
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case 'admin/modules#description':
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return t('Displays a calendar to navigate old content.');
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}
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}
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/**
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* Generates a monthly calendar, for display in the archive block.
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*/
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function archive_calendar($original = 0) {
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global $user;
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$edit = $_POST['edit'];
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// Extract today's date:
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$start_of_today = mktime(0, 0, 0, date('n', time()), date('d', time()), date('Y', time())) + $user->timezone;
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$end_of_today = mktime(23, 59, 59, date('n', time()), date('d', time()), date('Y', time())) + $user->timezone;
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// Extract the requested date:
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if ($edit['year'] && $edit['month'] && $edit['day']) {
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$year = $edit['year'];
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$month = $edit['month'];
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$day = $edit['day'];
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$requested = mktime(0, 0, 0, $month, $day, $year) + $user->timezone;
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}
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else if (arg(0) == 'archive' && arg(3)) {
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$year = arg(1);
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$month = arg(2);
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$day = arg(3);
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$requested = mktime(0, 0, 0, $month, $day, $year) + $user->timezone;
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}
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else {
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$year = date('Y', time());
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$month = date('n', time());
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$day = date('d', time());
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$requested = $end_of_today + $user->timezone;
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}
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$start_of_month = mktime(0, 0, 0, $month, 1, $year);
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// Extract first day of the month:
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$first = date('w', $start_of_month);
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// Extract last day of the month:
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$last = date('t', $start_of_month);
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$end_of_month = mktime(23, 59, 59, $month, $last, $year);
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$cache = cache_get("archive:calendar:$day-$month-$year");
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if (!empty($cache)) {
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return $cache->data;
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}
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// Calculate previous and next months dates and check for shorter months (28/30 days)
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$prevmonth = mktime(23, 59, 59, $month - 1, 1, $year);
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$prev = mktime(23, 59, 59, $month - 1, min(date('t', $prevmonth), $day), $year);
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$nextmonth = mktime(23, 59, 59, $month + 1, 1, $year);
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$next = mktime(23, 59, 59, $month + 1, min(date('t', $nextmonth), $day), $year);
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$sql = 'SELECT n.nid, n.created FROM {node} n WHERE n.status = 1 AND n.created > %d AND n.created < %d ORDER BY n.created';
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$sql = db_rewrite_sql($sql);
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$result = db_query($sql, $start_of_month, $end_of_month);
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$days_with_posts = array();
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while ($day_with_post = db_fetch_object($result)) {
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$daynum = date('j', $day_with_post->created + $user->timezone);
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if (isset($days_with_posts[$daynum])) {
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$days_with_posts[$daynum]++;
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}
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else {
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$days_with_posts[$daynum] = 1;
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}
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}
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// Generate calendar header:
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$output .= "\n<!-- calendar -->\n";
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$output .= '<div class="calendar">';
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$output .= '<table summary="'. t('A calendar to browse the archives') .".\">\n";
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$output .= ' <caption>'. l('«', 'archive/'. date('Y/m/d', $prev), array('title' => t('Previous month'))) .' '. format_date($requested, 'custom', 'F') . date(' Y', $requested) .' '. ($nextmonth <= time() ? l('»', 'archive/'. date('Y/m/d', $next), array('title' => t('Next month'))) : ' ') ."</caption>\n";
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// First day of week (0 => Sunday, 1 => Monday, ...)
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$weekstart = variable_get('date_first_day', 0);
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// Last day of week
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($weekstart - 1 == -1) ? $lastday = 6 : $lastday = $weekstart - 1;
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// Generate the days of the week:
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$firstcolumn = mktime(0, 0, 0, 3, 20 + $weekstart, 1994);
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$output .= " <tr class=\"header-week\">\n";
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$days = array(t('Sunday') => t('Su'), t('Monday') => t('Mo'), t('Tuesday') => t('Tu'), t('Wednesday') => t('We'), t('Thursday') => t('Th'), t('Friday') => t('Fr'), t('Saturday') => t('Sa'));
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if ($weekstart) {
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$days = array_merge(array_slice($days, $weekstart), array_slice($days, 0, $weekstart));
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}
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foreach ($days as $fullname => $name) {
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$output .= ' <th abbr="'. $fullname .'">'. $name . "</th>\n";
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}
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$output .= "</tr>\n";
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// Initialize temporary variables:
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$nday = 1;
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$sday = $first;
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// Loop through all the days of the month:
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while ($nday <= $last) {
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// Set up blank days for first week of the month (allowing individual blank day styling):
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if ($first != $weekstart) {
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$blankdays = ($first - $weekstart + 7) % 7;
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$output .= " <tr class=\"row-week\">" . str_repeat("<td class=\"day-blank\"> </td>\n", $blankdays);
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$first = $weekstart;
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}
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// Start every week on a new line:
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if ($sday == $weekstart) {
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$output .= " <tr class=\"row-week\">\n";
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}
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// Print one cell:
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$date = mktime(0, 0, 0, $month, $nday, $year) + $user->timezone;
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if (isset($days_with_posts[$nday])) {
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$daytext = l($nday, "archive/$year/$month/$nday", array("title" => format_plural($days_with_posts[$nday], "1 post", "%count posts")));
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$dayclass = 'day-link';
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}
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else {
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$daytext = $nday;
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$dayclass = 'day-normal';
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}
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if ($date == $requested) {
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$output .= " <td class=\"day-selected\">$daytext</td>\n";
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}
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else if ($date == $start_of_today) {
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$output .= " <td class=\"day-today\">$daytext</td>\n";
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}
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else if ($date > $end_of_today) {
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$output .= " <td class=\"day-future\">$daytext</td>\n";
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}
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else {
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$output .= " <td class=\"$dayclass\">$daytext</td>\n";
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}
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// Start every week on a new line:
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if ($sday == $lastday) {
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$output .= " </tr>\n";
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}
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// Update temporary variables:
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$sday++;
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$sday = $sday % 7;
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$nday++;
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}
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// Complete the calendar (allowing individual blank day styling):
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if ($sday != $weekstart) {
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$end = (7 - $sday + $weekstart) % 7;
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$output .= str_repeat("<td class=\"day-blank\"> </td>\n", $end) . "</tr>\n";
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}
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$output .= "</table></div>\n\n";
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cache_set("archive:calendar:$day-$month-$year", $output, CACHE_TEMPORARY);
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return $output;
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}
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/**
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* Implementation of hook_block().
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*
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* Generates a calendar for the current month, with links to the archives
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* for each day.
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*/
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function archive_block($op = 'list', $delta = 0) {
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if ($op == 'list') {
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$blocks[0]['info'] = t('Calendar to browse archives');
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return $blocks;
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}
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else if ($op == 'view' && user_access('access content')) {
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$block['subject'] = t('Browse archives');
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$block['content'] = archive_calendar();
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return $block;
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}
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}
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/**
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* Implementation of hook_menu().
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*/
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function archive_menu($may_cache) {
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$items = array();
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if ($may_cache) {
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$items[] = array('path' => 'archive', 'title' => t('archives'),
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'access' => user_access('access content'),
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'callback' => 'archive_page',
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'type' => MENU_SUGGESTED_ITEM);
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}
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return $items;
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}
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/**
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* Menu callback; lists all nodes posted on a given date.
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*/
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function archive_page($year = 0, $month = 0, $day = 0) {
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global $user;
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$output = '';
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$op = $_POST['op'];
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$edit = $_POST['edit'];
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if ($op == t('Show')) {
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$year = $edit['year'];
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$month = $edit['month'];
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$day = $edit['day'];
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}
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$date = mktime(0, 0, 0, $month, $day, $year) - $user->timezone;
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$date_end = mktime(0, 0, 0, $month, $day + 1, $year) - $user->timezone;
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// Prepare the values of the form fields.
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$years = drupal_map_assoc(range(2000, 2005));
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$months = array(1 => t('January'), 2 => t('February'), 3 => t('March'), 4 => t('April'), 5 => t('May'), 6 => t('June'), 7 => t('July'), 8 => t('August'), 9 => t('September'), 10 => t('October'), 11 => t('November'), 12 => t('December'));
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$days = drupal_map_assoc(range(0, 31));
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$start = '<div class="container-inline">';
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$start .= form_select('', 'year', ($year ? $year : date('Y')), $years). form_select('', 'month', ($month ? $month : date('m')), $months) . form_select('', 'day', ($day ? $day : date('d')), $days) . form_submit(t('Show'));
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$start .= '</div>';
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$output .= form($start);
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if ($year && $month && $day) {
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// Fetch nodes for the selected date, if one was specified.
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$sql = 'SELECT n.nid, n.created FROM {node} n WHERE n.status = 1 AND n.created > %d AND n.created < %d ORDER BY n.created';
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$sql = db_rewrite_sql($sql);
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$result = db_query_range($sql, $date, $date_end, 0, 20);
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while ($nid = db_fetch_object($result)) {
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$output .= node_view(node_load(array('nid' => $nid->nid)), 1);
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}
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}
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print theme('page', $output);
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}
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?>
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