103 lines
2.6 KiB
PHP
103 lines
2.6 KiB
PHP
<?php
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// $Id$
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function tablesort_init($header) {
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static $ts;
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if (empty($ts)) {
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$ts["order"] = tablesort_get_order($header);
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$ts["order_sql"] = tablesort_get_order_sql($header, $ts["order"]);
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$ts["sort"] = tablesort_get_sort($header);
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$ts["query_string"] = tablesort_get_querystring();
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}
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return $ts;
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}
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function tablesort_pager() {
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$cgi = $_SERVER['REQUEST_METHOD'] == 'GET' ? $_GET : $_POST;
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unset($cgi["q"], $cgi["from"]);
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return $cgi;
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}
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function tablesort_sql($header) {
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$ts = tablesort_init($header);
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return " ORDER BY ". $ts["order_sql"]. " ". strtoupper($ts["sort"]);
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}
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function tablesort($cell, $header) {
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$ts = tablesort_init($header);
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$title = t("sort by %s", array("%s" => $cell["data"]));
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// special formatting for the currently sorted column header
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if ($cell["data"] == $ts["order"]) {
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$cell["class"] = "cell-highlight";
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$image = " <img border=\"0\" src=\"". theme("image", "arrow-". $ts["sort"]. ".gif"). "\"></img>";
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$dir = array("asc" => "ascending", "desc" => "descending");
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$title = t("sort ". $dir[$ts["sort"]]);
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} else {
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// If the user clicks a different header, we want to sort ascending initially.
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$ts["sort"] = "asc";
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}
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$cell["data"] = l($cell["data"] . $image, $_GET["q"], array("title" => $title), "sort=". $ts["sort"]. "&order=". urlencode($cell["data"]). $ts["query_string"]);
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return $cell;
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}
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function tablesort_get_querystring() {
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$cgi = $_SERVER['REQUEST_METHOD'] == 'GET' ? $_GET : $_POST;
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foreach ($cgi as $key => $val) {
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if ($key != "order" && $key != "sort" && $key != "q") {
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$query_string .= "&" . $key . "=" . $val;
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}
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}
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return $query_string;
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}
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function tablesort_get_order($headers) {
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$order = $_GET['order'];
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foreach ($headers as $header) {
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if ($order == $header['data']) {
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return $header['data'];
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}
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if ($header['sort'] == 'asc' || $header['sort'] == 'desc') {
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$default = $header['data'];
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}
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}
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if ($default) {
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return $default;
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}
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else {
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// The first column specified is initial 'order by' field unless otherwise specified
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$first = reset($headers);
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return $first['data'];
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}
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}
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function tablesort_get_order_sql($header, $order) {
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foreach ($header as $cell) {
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if ($cell["data"] == $order) {
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return $cell["field"];
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}
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}
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}
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function tablesort_get_sort($headers) {
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if ($_GET['sort']) {
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return ($_GET['sort'] == 'desc') ? 'asc' : 'desc';
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}
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// user has not specified a sort. check module for default and if none, use 'asc'
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else {
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foreach ($headers as $header) {
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if (isset($header["sort"])) {
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return $header["sort"];
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}
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}
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}
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return 'asc';
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}
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?>
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