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<?php
// $Id$
function archive_system($field){
$system["description"] = t("Displays a calendar to navigation old content.");
return $system[$field];
}
function archive_calendar($original = 0) {
// Extract today's date:
$today = mktime(23, 59, 59, date("n", time()), date("d", time()), date("Y", time()));
// Extract the requested date:
if (arg(0) == "archive" && arg(3)) {
$year = arg(1);
$month = arg(2);
$day = arg(3);
$requested = mktime(23, 59, 59, $month, $day, $year);
}
else {
$year = date("Y", time());
$month = date("n", time());
$day = date("d", time());
$requested = $today;
}
// Extract first day of the month:
$first = date("w", mktime(0, 0, 0, $month, 1, $year));
// Extract last day of the month:
$last = date("t", mktime(0, 0, 0, $month, 1, $year));
// 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);
// Generate calendar header:
$output .= "\n<!-- calendar -->\n";
$output .= "<table width=\"100%\" border=\"1\" cellspacing=\"0\" cellpadding=\"1\">\n";
$output .= " <tr><td align=\"center\" colspan=\"7\"><small>". l("<", "archive/". date("Y/m/d", $prev)) ." ". date("F Y", $requested) ." ". ($nextmonth <= time() ? l(">", "archive/". date("Y/m/d", $next)) : ">") ."</small></td></tr>\n";
// First day of week (0 => Sunday, 1 => Monday, ...)
$weekstart = variable_get("default_firstday", 0);
// Last day of week
($weekstart - 1 == -1 ) ? $lastday = 6 : $lastday = $weekstart - 1;
// Generate the days of the week:
$firstcolumn = mktime(0, 0, 0, 3, 20 + $weekstart, 1994);
$output .= " <tr>";
for ($i = 0; $i < 7; $i++) {
$output .= "<td align=\"center\"><small>". substr(ucfirst(t(date("l", $firstcolumn + $i * 86400))), 0, 1) ."</small></td>";
}
$output .= "</tr>\n";
// Initialize temporary variables:
$nday = 1;
$sday = $first;
// Loop through all the days of the month:
while ($nday <= $last) {
// Set up blank days for first week of the month:
if ($first != $weekstart) {
$blankdays = ($first - $weekstart + 7) % 7;
$output .= " <tr><td colspan=\"$blankdays\"> </td>\n";
$first = $weekstart;
}
// Start every week on a new line:
if ($sday == $weekstart) {
$output .= " <tr>\n";
}
// Print one cell:
$date = mktime(0, 0, 0, $month, $nday, $year);
if ($date == $requested) {
$output .= " <td align=\"center\"><small><b>$nday</b></small></td>\n";
}
else if ($date > $today) {
$output .= " <td align=\"center\"><small>$nday</small></td>\n";
}
else {
$output .= " <td align=\"center\"><small>". l($nday, "archive/$year/$month/$nday", array("style" => "text-decoration: none;")) ."</small></td>\n";
}
// Start every week on a new line:
if ($sday == $lastday) {
$output .= " </tr>\n";
}
// Update temporary variables:
$sday++;
$sday = $sday % 7;
$nday++;
}
// Complete the calendar:
if ($sday != $weekstart) {
$end = (7 - $sday + $weekstart) % 7;
$output .= " <td colspan=\"$end\"> </td>\n </tr>\n";
}
$output .= "</table>\n\n";
return $output;
}
function archive_block($op = "list", $delta = 0) {
global $date;
if ($op == "list") {
$blocks[0]["info"] = t("Calendar to browse archives");
return $blocks;
}
else {
switch ($delta) {
case 0:
$block["subject"] = t("Browse archives");
$block["content"] = archive_calendar();
return $block;
}
}
}
function archive_link($type) {
$links = array();
if ($type == "page" && user_access("access content")) {
$links[] = l(t("archives"), "archive", array("title" => t("Read the older content in our archive.")));
}
return $links;
}
function archive_page() {
global $date, $edit, $op, $month, $year, $meta;
theme("header");
if (user_access("access content")) {
if ($op == t("Show")) {
$year = $edit["year"];
$month = $edit["month"];
$day = $edit["day"];
}
else {
$year = arg(1);
$month = arg(2);
$day = arg(3);
}
$date = mktime(0, 0, 0, $month, $day, $year);
/*
** Prepare the values of the form fields:
*/
$years = array(2000 => "2000", 2001 => "2001", 2002 => "2002", 2003 => "2003", 2004 => "2004", 2005 => "2005");
$months = array(1 => t("January"), 2 => t("February"), 3 => t("March"), 4 => t("April"), 5 => t("May"), 6 => t("June"), 7 => t("July"), 8 => t("August"), 9 => t("September"), 10 => t("October"), 11 => t("November"), 12 => t("December"));
for ($i = 1; $i <= 31; $i++) $days[$i] = $i;
$start = form_select("", "year", ($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 = ereg_replace("<[/]?p>", "", $start);
theme("box", t("Archives"), form($start));
/*
** Fetch nodes for the selected date, or current date if none
** selected.
*/
if ($year && $month && $day) {
$result = db_query_range("SELECT nid FROM node WHERE status = '1' AND created > %d ORDER BY created", $date, 0, 20);
while ($nid = db_fetch_object($result)) {
node_view(node_load(array("nid" => $nid->nid)), 1);
}
}
}
else {
message_access();
}
theme("footer");
}
function archive_settings() {
$output .= form_select( t("First day of week"), "default_firstday", variable_get("default_firstday", 0), array(0 => t("Sunday"), 1 => t("Monday"), 2 => t("Tuesday"), 3 => t("Wednesday"), 4 => t("Thursday"), 5 => t("Friday"), 6 => t("Saturday")), t("The first day of the week. By changing this value you choose how the calendar block is rendered."));
return $output;
}
?>
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