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https://github.com/moodle/moodle.git
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276 lines
11 KiB
PHP
276 lines
11 KiB
PHP
<?php // $Id$
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// filters.php
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// Edit list of available text filters
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require_once('../config.php');
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require_once($CFG->libdir.'/adminlib.php');
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require_once($CFG->libdir.'/tablelib.php');
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// defines
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define('FILTER_TABLE','filter_administration_table');
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admin_externalpage_setup('managefilters');
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// get values from page
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$params = new object();
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$params->action = optional_param('action', '', PARAM_ACTION);
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$params->filterpath = optional_param('filterpath', '', PARAM_PATH);
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$params->cachetext = optional_param('cachetext', 0, PARAM_INT);
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$params->filterall = optional_param('filterall', 0, PARAM_BOOL);
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$params->filteruploadedfiles = optional_param('filteruploadedfiles', 0, PARAM_INT);
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$params->filtermatchoneperpage = optional_param('filtermatchoneperpage', 0, PARAM_BOOL);
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$params->filtermatchonepertext = optional_param('filtermatchonepertext', 0, PARAM_BOOL);
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// some basic information
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$url = 'filters.php';
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$myurl = "$url?sesskey=" . sesskey();
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$img = "$CFG->pixpath/t";
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// get translated strings for use on page
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$txt = new object();
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$txt->managefilters = get_string('managefilters');
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$txt->administration = get_string('administration');
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$txt->configuration = get_string('configuration');
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$txt->name = get_string('name');
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$txt->hide = get_string('hide');
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$txt->show = get_string('show');
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$txt->hideshow = "$txt->hide/$txt->show";
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$txt->settings = get_string('settings');
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$txt->up = get_string('up');
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$txt->down = get_string('down');
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$txt->updown = "$txt->up/$txt->down";
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$txt->cachetext = get_string('cachetext', 'admin');
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$txt->configcachetext = get_string('configcachetext', 'admin');
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$txt->filteruploadedfiles = get_string('filteruploadedfiles','admin');
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$txt->configfilteruploadedfiles = get_string('configfilteruploadedfiles','admin');
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$txt->filterall = get_string('filterall','admin');
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$txt->filtermatchoneperpage = get_string('filtermatchoneperpage','admin');
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$txt->filtermatchonepertext = get_string('filtermatchonepertext','admin');
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$txt->configfilterall = get_string('configfilterall','admin');
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$txt->configfiltermatchoneperpage = get_string('configfiltermatchoneperpage','admin');
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$txt->configfiltermatchonepertext = get_string('configfiltermatchonepertext','admin');
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$txt->cachecontrols = get_string('cachecontrols');
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$txt->yes = get_string('yes');
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$txt->no = get_string('no');
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$txt->none = get_string('none');
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$txt->allfiles = get_string('allfiles');
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$txt->htmlfilesonly = get_string('htmlfilesonly');
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// get a list of possible filters (and translate name if possible)
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// note filters can be in the dedicated filters area OR in their
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// associated modules
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$installedfilters = array();
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$filtersettings = array();
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$filterlocations = array('mod','filter');
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foreach ($filterlocations as $filterlocation) {
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$plugins = get_list_of_plugins($filterlocation);
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foreach ($plugins as $plugin) {
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$pluginpath = "$CFG->dirroot/$filterlocation/$plugin/filter.php";
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$settingspath = "$CFG->dirroot/$filterlocation/$plugin/filterconfig.html";
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if (is_readable($pluginpath)) {
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$name = trim(get_string("filtername", $plugin));
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if (empty($name) or ($name == '[[filtername]]')) {
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$name = ucfirst($plugin);
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}
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$installedfilters["$filterlocation/$plugin"] = $name;
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if (is_readable($settingspath)) {
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$filtersettings[] = "$filterlocation/$plugin";
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}
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}
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}
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}
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// get all the currently selected filters
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if (!empty($CFG->textfilters)) {
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$oldactivefilters = explode(',', $CFG->textfilters);
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$oldactivefilters = array_unique($oldactivefilters);
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} else {
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$oldactivefilters = array();
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}
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// take this opportunity to clean up filters
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$activefilters = array();
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foreach ($oldactivefilters as $oldactivefilter) {
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if (!empty($oldactivefilter) and array_key_exists($oldactivefilter, $installedfilters)) {
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$activefilters[] = $oldactivefilter;
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}
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}
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//======================
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// Process Actions
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//======================
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if ($params->action=="") {
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// store cleaned active filers in db
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set_config('textfilters', implode(',', $activefilters));
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} elseif (($params->action=="hide") and confirm_sesskey()) {
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$key=array_search($params->filterpath, $activefilters);
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// check filterpath is valid
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if ($key===false) {
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// ignore it - doubleclick??
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} else {
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// just delete it
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unset($activefilters[$key]);
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set_config('textfilters', implode(',', $activefilters));
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}
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} elseif (($params->action=="show") and confirm_sesskey()) {
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// check filterpath is valid
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if (!array_key_exists($params->filterpath, $installedfilters)) {
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error("Filter $params->filterpath is not currently installed", $url);
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} elseif (array_search($params->filterpath,$activefilters)) {
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// filterpath is already active - doubleclick??
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} else {
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// add it to installed filters
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$activefilters[] = $params->filterpath;
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$activefilters = array_unique($activefilters);
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set_config('textfilters', implode(',', $activefilters));
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}
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} elseif (($params->action=="down") and confirm_sesskey()) {
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$key=array_search($params->filterpath, $activefilters);
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// check filterpath is valid
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if ($key===false) {
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error("Filter $params->filterpath is not currently active", $url);
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} elseif ($key>=(count($activefilters)-1)) {
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// cannot be moved any further down - doubleclick??
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} else {
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// swap with $key+1
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$fsave = $activefilters[$key];
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$activefilters[$key] = $activefilters[$key+1];
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$activefilters[$key+1] = $fsave;
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set_config('textfilters', implode(',', $activefilters));
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}
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} elseif (($params->action=="up") and confirm_sesskey()) {
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$key=array_search($params->filterpath, $activefilters);
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// check filterpath is valid
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if ($key===false) {
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error("Filter $params->filterpath is not currently active", $url);
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} elseif ($key<1) {
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//cannot be moved any further up - doubleclick??
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} else {
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// swap with $key-1
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$fsave = $activefilters[$key];
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$activefilters[$key] = $activefilters[$key-1];
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$activefilters[$key-1] = $fsave;
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set_config('textfilters', implode(',', $activefilters));
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}
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} elseif (($params->action=="config") and confirm_sesskey()) {
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set_config('cachetext', $params->cachetext);
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set_config('filteruploadedfiles', $params->filteruploadedfiles);
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set_config('filterall', $params->filterall);
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set_config('filtermatchoneperpage', $params->filtermatchoneperpage);
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set_config('filtermatchonepertext', $params->filtermatchonepertext);
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}
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//======================
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// Build Display Objects
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//======================
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// construct the display array with installed filters
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// at the top in the right order
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$displayfilters = array();
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foreach ($activefilters as $activefilter) {
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$name = $installedfilters[$activefilter];
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$displayfilters[$activefilter] = $name;
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}
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foreach ($installedfilters as $key => $filter) {
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if (!array_key_exists($key, $displayfilters)) {
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$displayfilters[$key] = $filter;
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}
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}
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// construct the flexible table ready to display
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$table = new flexible_table(FILTER_TABLE);
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$table->define_columns(array('name', 'hideshow', 'order', 'settings'));
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$table->define_headers(array($txt->name, $txt->hideshow, $txt->updown, $txt->settings));
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$table->define_baseurl("$CFG->wwwroot/$CFG->admin/filters.php");
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$table->set_attribute('id', 'filters');
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$table->set_attribute('class', 'generaltable generalbox boxaligncenter boxwidthwide');
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$table->setup();
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// iterate through filters adding to display table
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$updowncount = 1;
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$activefilterscount = count($activefilters);
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foreach ($displayfilters as $path => $name) {
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$upath = urlencode($path);
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// get hide/show link
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if (in_array($path, $activefilters)) {
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$hideshow = "<a href=\"$myurl&action=hide&filterpath=$upath\">";
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$hideshow .= "<img src=\"{$CFG->pixpath}/i/hide.gif\" class=\"icon\" alt=\"$txt->hide\" /></a>";
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$hidden = false;
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$displayname = "<span>$name</span>";
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}
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else {
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$hideshow = "<a href=\"$myurl&action=show&filterpath=$upath\">";
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$hideshow .= "<img src=\"{$CFG->pixpath}/i/show.gif\" class=\"icon\" alt=\"$txt->show\" /></a>";
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$hidden = true;
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$displayname = "<span class=\"dimmed_text\">$name</span>";
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}
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// get up/down link (only if not hidden)
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$updown = '';
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if (!$hidden) {
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if ($updowncount>1) {
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$updown .= "<a href=\"$myurl&action=up&filterpath=$upath\">";
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$updown .= "<img src=\"$img/up.gif\" alt=\"$txt->up\" /></a> ";
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}
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else {
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$updown .= "<img src=\"$CFG->pixpath/spacer.gif\" class=\"icon\" alt=\"\" /> ";
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}
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if ($updowncount<$activefilterscount) {
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$updown .= "<a href=\"$myurl&action=down&filterpath=$upath\">";
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$updown .= "<img src=\"$img/down.gif\" alt=\"$txt->down\" /></a>";
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}
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else {
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$updown .= "<img src=\"$CFG->pixpath/spacer.gif\" class=\"icon\" alt=\"\" />";
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}
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++$updowncount;
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}
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// settings link (if defined)
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$settings = '';
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if (in_array($path, $filtersettings)) {
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$settings = "<a href=\"filter.php?filter=" . urlencode($path) . "\">";
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$settings .= "{$txt->settings}</a>";
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}
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// write data into the table object
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$table->add_data(array($displayname, $hideshow, $updown, $settings));
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}
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// build options list for cache lifetime
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$seconds = array(604800,86400,43200,10800,7200,3600,2700,1800,900,600,540,480,420,360,300,240,180,120,60,30,0);
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unset($lifetimeoptions);
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foreach ($seconds as $second) {
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if ($second>=86400) {
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$options[$second] = get_string('numdays','',$second/86400);
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}
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elseif ($second>=3600) {
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$options[$second] = get_string('numhours','',$second/3600);
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}
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elseif ($second>=60) {
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$options[$second] = get_string('numminutes','',$second/60);
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}
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elseif ($second>=1) {
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$options[$second] = get_string('numseconds','',$second);
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}
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else {
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$options[$second] = get_string('no');
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}
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}
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//==============================
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// Display logic
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//==============================
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admin_externalpage_print_header();
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print_heading_with_help($txt->managefilters, 'filters');
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// print the table of all the filters
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$table->print_html();
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// cache control table has been removed
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admin_externalpage_print_footer();
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?>
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