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added functions to filter account lists

This commit is contained in:
Roland Gruber 2005-01-23 17:54:13 +00:00
parent a48e6ec6e9
commit f6d7db5f07
1 changed files with 59 additions and 3 deletions
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62
lam/lib/lists.inc
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@ -29,6 +29,62 @@ $Id$
* @author Roland Gruber
*/
/**
* Builds the regular expressions from the filter values.
*
* @param array $post HTTP Post values
* @param array $attributes list of displayed attributes
* @return array filter data array($attribute => array('regex' => $reg, 'original' => $orig))
* $reg is the regular expression to use, $orig the user's unmodified input string
*/
function listBuildFilter($post, $attributes) {
$filter = array();
for ($i = 0; $i < sizeof($attributes); $i++) {
if (eregi('^([0-9a-z_\\*\\$])+$', $_POST["filter" . strtolower($attributes[$i])])) {
$filter[$attributes[$i]]['original'] = $_POST["filter" . strtolower($attributes[$i])];
$filter[$attributes[$i]]['regex'] = $_POST["filter" . strtolower($attributes[$i])];
// replace special characters
$filter[$attributes[$i]]['regex'] = str_replace("*", "(.)*", $filter[$attributes[$i]]['regex']);
$filter[$attributes[$i]]['regex'] = str_replace('$', '[$]', $filter[$attributes[$i]]['regex']);
// add string begin and end
$filter[$attributes[$i]]['regex'] = "^" . $filter[$attributes[$i]]['regex'] . "$";
}
}
return $filter;
}
/**
* Removes all entries which do not fit to the filter.
*
* @param array $entries list of accounts
* @param array $filter attribute filter
* @return array filtered list of accounts
*/
function listFilterAccounts($entries, $filter) {
$attributes = array_keys($filter);
for ($r = 0; $r < sizeof($entries); $r++) {
for ($a = 0; $a < sizeof($attributes); $a++) {
// check if filter fits
$found = false;
for ($i = 0; $i < sizeof($entries[$r][$attributes[$a]]); $i++) {
if (eregi($filter[$attributes[$a]]['regex'], $entries[$r][$attributes[$a]][$i])) {
$found = true;
break;
}
}
if (!$found) {
// remove account and reindex array
unset($entries[$r]);
$entries = array_values($entries);
$r--;
break;
}
}
}
return $entries;
}
/**
* Sorts an account list by a given attribute
@ -94,7 +150,7 @@ function listDrawNavigationBar($count, $max_page_entries, $page, $sort, $searchF
echo("<tr>\n");
echo("<td><input type=\"submit\" name=\"refresh\" value=\"" . _("Refresh") . "\">&nbsp;&nbsp;");
if ($page != 1) {
echo("<a href=\"list" . $scope . "s.php?page=" . ($page - 1) . "&amp;sort=" . $sort . $searchFilter . "\">&lt;=</a>\n");
echo("<a href=\"list" . $scope . "s.php?norefresh=true&amp;page=" . ($page - 1) . "&amp;sort=" . $sort . $searchFilter . "\">&lt;=</a>\n");
}
else {
echo("&lt;=");
@ -102,7 +158,7 @@ function listDrawNavigationBar($count, $max_page_entries, $page, $sort, $searchF
echo("&nbsp;");
if ($page < ($count / $max_page_entries)) {
echo("<a href=\"list" . $scope . "s.php?page=" . ($page + 1) . "&amp;sort=" . $sort . $searchFilter . "\">=&gt;</a>\n");
echo("<a href=\"list" . $scope . "s.php?norefresh=true&amp;page=" . ($page + 1) . "&amp;sort=" . $sort . $searchFilter . "\">=&gt;</a>\n");
}
else {
echo("=&gt;</td>");
@ -119,7 +175,7 @@ function listDrawNavigationBar($count, $max_page_entries, $page, $sort, $searchF
echo("&nbsp;" . ($i + 1));
}
else {
echo("&nbsp;<a href=\"list" . $scope . "s.php?page=" . ($i + 1) . "&amp;sort=" . $sort . "\">" . ($i + 1) . "</a>\n");
echo("&nbsp;<a href=\"list" . $scope . "s.php?norefresh=true&amp;page=" . ($i + 1) . "&amp;sort=" . $sort . "\">" . ($i + 1) . "</a>\n");
}
}
echo("</td></tr></table>\n");