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- <?php
- // $Id: archive.module,v 1.79 2005/04/01 15:54:58 dries Exp $
-
- /**
- * @file
- * Displays a calendar to navigate old content.
- */
-
- /**
- * Implementation of hook_help().
- */
- function archive_help($section) {
- switch ($section) {
- case 'admin/modules#description':
- return t('Displays a calendar for navigating older content.');
- }
- }
-
- /**
- * Generates a monthly calendar, for display in the archive block.
- */
- function archive_calendar($original = 0) {
- global $user;
- $edit = $_POST['edit'];
-
- // Extract today's date:
- $start_of_today = mktime(0, 0, 0, date('n', time()), date('d', time()), date('Y', time())) + $user->timezone;
- $end_of_today = mktime(23, 59, 59, date('n', time()), date('d', time()), date('Y', time())) + $user->timezone;
-
- // Extract the requested date:
- if ($edit['year'] && $edit['month'] && $edit['day']) {
- $year = $edit['year'];
- $month = $edit['month'];
- $day = $edit['day'];
-
- $requested = mktime(0, 0, 0, $month, $day, $year) + $user->timezone;
- }
- else if (arg(0) == 'archive' && arg(3)) {
- $year = arg(1);
- $month = arg(2);
- $day = arg(3);
-
- $requested = mktime(0, 0, 0, $month, $day, $year) + $user->timezone;
- }
- else {
- $year = date('Y', time());
- $month = date('n', time());
- $day = date('d', time());
-
- $requested = $end_of_today + $user->timezone;
- }
-
- $start_of_month = mktime(0, 0, 0, $month, 1, $year);
-
- // Extract first day of the month:
- $first = date('w', $start_of_month);
-
- // Extract last day of the month:
- $last = date('t', $start_of_month);
-
- $end_of_month = mktime(23, 59, 59, $month, $last, $year);
-
- $cache = cache_get("archive:calendar:$day-$month-$year");
-
- if (!empty($cache)) {
- return $cache->data;
- }
-
- // Calculate previous and next months dates and check for shorter months (28/30 days)
- $prevmonth = mktime(23, 59, 59, $month - 1, 1, $year);
- $prev = mktime(23, 59, 59, $month - 1, min(date('t', $prevmonth), $day), $year);
- $nextmonth = mktime(23, 59, 59, $month + 1, 1, $year);
- $next = mktime(23, 59, 59, $month + 1, min(date('t', $nextmonth), $day), $year);
-
- $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';
- $sql = db_rewrite_sql($sql);
- $result = db_query($sql, $start_of_month, $end_of_month);
-
- $days_with_posts = array();
- while ($day_with_post = db_fetch_object($result)) {
- $daynum = date('j', $day_with_post->created + $user->timezone);
- if (isset($days_with_posts[$daynum])) {
- $days_with_posts[$daynum]++;
- }
- else {
- $days_with_posts[$daynum] = 1;
- }
- }
-
- // Generate calendar header:
- $output .= "\n<!-- calendar -->\n";
- $output .= '<div class="calendar">';
- $output .= '<table summary="'. t('A calendar to browse the archives') .".\">\n";
- $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";
-
- // First day of week (0 => Sunday, 1 => Monday, ...)
- $weekstart = variable_get('date_first_day', 0);
-
- // Last day of week
- ($weekstart - 1 == -1) ? $lastday = 6 : $lastday = $weekstart - 1;
-
- // Generate the days of the week:
- $firstcolumn = mktime(0, 0, 0, 3, 20 + $weekstart, 1994);
-
- $output .= " <tr class=\"header-week\">\n";
- $days = array(t('Sunday') => t('Su'), t('Monday') => t('Mo'), t('Tuesday') => t('Tu'), t('Wednesday') => t('We'), t('Thursday') => t('Th'), t('Friday') => t('Fr'), t('Saturday') => t('Sa'));
- if ($weekstart) {
- $days = array_merge(array_slice($days, $weekstart), array_slice($days, 0, $weekstart));
- }
-
- foreach ($days as $fullname => $name) {
- $output .= ' <th abbr="'. $fullname .'">'. $name . "</th>\n";
- }
- $output .= "</tr>\n";
-
- // Initialize temporary variables:
- $nday = 1;
- $sday = $first;
-
- // Loop through all the days of the month:
- while ($nday <= $last) {
- // Set up blank days for first week of the month (allowing individual blank day styling):
- if ($first != $weekstart) {
- $blankdays = ($first - $weekstart + 7) % 7;
- $output .= " <tr class=\"row-week\">" . str_repeat("<td class=\"day-blank\"> </td>\n", $blankdays);
- $first = $weekstart;
- }
- // Start every week on a new line:
- if ($sday == $weekstart) {
- $output .= " <tr class=\"row-week\">\n";
- }
-
- // Print one cell:
- $date = mktime(0, 0, 0, $month, $nday, $year) + $user->timezone;
- if (isset($days_with_posts[$nday])) {
- $daytext = l($nday, "archive/$year/$month/$nday", array("title" => format_plural($days_with_posts[$nday], "1 post", "%count posts")));
- $dayclass = 'day-link';
- }
- else {
- $daytext = $nday;
- $dayclass = 'day-normal';
- }
- if ($date == $requested) {
- $output .= " <td class=\"day-selected\">$daytext</td>\n";
- }
- else if ($date == $start_of_today) {
- $output .= " <td class=\"day-today\">$daytext</td>\n";
- }
- else if ($date > $end_of_today) {
- $output .= " <td class=\"day-future\">$daytext</td>\n";
- }
- else {
- $output .= " <td class=\"$dayclass\">$daytext</td>\n";
- }
-
- // Start every week on a new line:
- if ($sday == $lastday) {
- $output .= " </tr>\n";
- }
-
- // Update temporary variables:
- $sday++;
- $sday = $sday % 7;
- $nday++;
- }
-
- // Complete the calendar (allowing individual blank day styling):
- if ($sday != $weekstart) {
- $end = (7 - $sday + $weekstart) % 7;
- $output .= str_repeat("<td class=\"day-blank\"> </td>\n", $end) . "</tr>\n";
- }
-
- $output .= "</table></div>\n\n";
-
- cache_set("archive:calendar:$day-$month-$year", $output, CACHE_TEMPORARY);
-
- return $output;
- }
-
- /**
- * Implementation of hook_block().
- *
- * Generates a calendar for the current month, with links to the archives
- * for each day.
- */
- function archive_block($op = 'list', $delta = 0) {
- if ($op == 'list') {
- $blocks[0]['info'] = t('Calendar to browse archives');
- return $blocks;
- }
- else if ($op == 'view' && user_access('access content')) {
- $block['subject'] = t('Browse archives');
- $block['content'] = archive_calendar();
- return $block;
- }
- }
-
- /**
- * Implementation of hook_menu().
- */
- function archive_menu($may_cache) {
- $items = array();
-
- if ($may_cache) {
- $items[] = array('path' => 'archive', 'title' => t('archives'),
- 'access' => user_access('access content'),
- 'callback' => 'archive_page',
- 'type' => MENU_SUGGESTED_ITEM);
- }
- return $items;
- }
-
- /**
- * Menu callback; lists all nodes posted on a given date.
- */
- function archive_page($year = 0, $month = 0, $day = 0) {
- global $user;
-
- $output = '';
- $op = $_POST['op'];
- $edit = $_POST['edit'];
-
- if ($op == t('Show')) {
- $year = $edit['year'];
- $month = $edit['month'];
- $day = $edit['day'];
- }
-
- $date = mktime(0, 0, 0, $month, $day, $year) - $user->timezone;
- $date_end = mktime(0, 0, 0, $month, $day + 1, $year) - $user->timezone;
-
- // Prepare the values of the form fields.
- $years = drupal_map_assoc(range(2000, 2005));
- $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'));
- $days = drupal_map_assoc(range(0, 31));
-
- $start = '<div class="container-inline">';
- $start .= form_select('', 'year', ($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'));
- $start .= '</div>';
- $output .= form($start);
-
- if ($year && $month && $day) {
- // Fetch nodes for the selected date, if one was specified.
- $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';
- $sql = db_rewrite_sql($sql);
- $result = db_query_range($sql, $date, $date_end, 0, 20);
-
- while ($nid = db_fetch_object($result)) {
- $output .= node_view(node_load(array('nid' => $nid->nid)), 1);
- }
- }
- print theme('page', $output);
- }
-
- ?>
-