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<?php
///////////////////////////////////////////////////////////////////////////
// //
// NOTICE OF COPYRIGHT //
// //
// Moodle - Modular Object-Oriented Dynamic Learning Environment //
// http://moodle.org //
// //
// Copyright (C) 1999 onwards Martin Dougiamas http://dougiamas.com //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation; either version 2 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details: //
// //
// http://www.gnu.org/copyleft/gpl.html //
// //
///////////////////////////////////////////////////////////////////////////
/**
* Processes actions from the admin_setting_managefilters object (defined in
* adminlib.php).
*
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
* @package administration
*//** */
require_once(dirname(__FILE__) . '/../config.php');
require_once($CFG->libdir . '/adminlib.php');
$action = optional_param('action', '', PARAM_ACTION);
$filterpath = optional_param('filterpath', '', PARAM_PATH);
require_login();
$systemcontext = get_context_instance(CONTEXT_SYSTEM);
require_capability('moodle/site:config', $systemcontext);
$returnurl = "$CFG->wwwroot/$CFG->admin/filters.php";
admin_externalpage_setup('managefilters');
$filters = filter_get_global_states();
// In case any new filters have been installed, but not put in the table yet.
$fitlernames = filter_get_all_installed();
$newfilters = $fitlernames;
foreach ($filters as $filter => $notused) {
unset($newfilters[$filter]);
}
/// Process actions ============================================================
if ($action) {
if (!isset($filters[$filterpath]) && !isset($newfilters[$filterpath])) {
throw new moodle_exception('filternotinstalled', 'error', $returnurl, $filterpath);
}
if (!confirm_sesskey()) {
redirect($returnurl);
}
}
switch ($action) {
case 'setstate':
if ($newstate = optional_param('newstate', '', PARAM_INT)) {
filter_set_global_state($filterpath, $newstate);
if ($newstate == TEXTFILTER_DISABLED) {
filter_set_applies_to_strings($filterpath, false);
}
unset($newfilters[$filterpath]);
}
break;
case 'setapplyto':
$applytostrings = optional_param('stringstoo', false, PARAM_BOOL);
filter_set_applies_to_strings($filterpath, $applytostrings);
break;
case 'down':
if (isset($filters[$filterpath])) {
$oldpos = $filters[$filterpath]->sortorder;
if ($oldpos <= count($filters)) {
filter_set_global_state($filterpath, $filters[$filterpath]->active, $oldpos + 1);
}
}
break;
case 'up':
if (isset($filters[$filterpath])) {
$oldpos = $filters[$filterpath]->sortorder;
if ($oldpos >= 1) {
filter_set_global_state($filterpath, $filters[$filterpath]->active, $oldpos - 1);
}
}
break;
case 'delete':
if (!empty($filternames[$filterpath])) {
$filtername = $filternames[$filterpath];
} else {
$filtername = $filterpath;
}
if (substr($filterpath, 0, 4) == 'mod/') {
$mod = basename($filterpath);
$a = new stdClass;
$a->filter = $filtername;
$a->module = get_string('modulename', $mod);
print_error('cannotdeletemodfilter', 'admin', $returnurl, $a);
}
// If not yet confirmed, display a confirmation message.
if (!optional_param('confirm', '', PARAM_BOOL)) {
$title = get_string('deletefilterareyousure', 'admin', $filtername);
echo $OUTPUT->header();
echo $OUTPUT->heading($title);
$linkcontinue = new moodle_url($returnurl, array('action' => 'delete', 'filterpath' => $filterpath, 'confirm' => 1));
$formcancel = new single_button(new moodle_url($returnurl), get_string('no'), 'get');
echo $OUTPUT->confirm(get_string('deletefilterareyousuremessage', 'admin', $filtername), $linkcontinue, $formcancel);
echo $OUTPUT->footer();
exit;
}
// Do the deletion.
$title = get_string('deletingfilter', 'admin', $filtername);
echo $OUTPUT->header();
echo $OUTPUT->heading($title);
// Delete all data for this plugin.
filter_delete_all_for_filter($filterpath);
$a = new stdClass;
$a->filter = $filtername;
$a->directory = $filterpath;
echo $OUTPUT->box(get_string('deletefilterfiles', 'admin', $a), 'generalbox', 'notice');
echo $OUTPUT->continue_button($returnurl);
echo $OUTPUT->footer();
exit;
}
// Add any missing filters to the DB table.
foreach ($newfilters as $filter => $notused) {
filter_set_global_state($filter, TEXTFILTER_DISABLED);
}
// Reset caches and return
if ($action) {
reset_text_filters_cache();
redirect($returnurl);
}
/// End of process actions =====================================================
/// Print the page heading.
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('filtersettings', 'admin'));
$activechoices = array(
TEXTFILTER_DISABLED => get_string('disabled', 'filters'),
TEXTFILTER_OFF => get_string('offbutavailable', 'filters'),
TEXTFILTER_ON => get_string('on', 'filters'),
);
$applytochoices = array(
0 => get_string('content', 'filters'),
1 => get_string('contentandheadings', 'filters'),
);
$filters = filter_get_global_states();
// In case any new filters have been installed, but not put in the table yet.
$filternames = filter_get_all_installed();
$newfilters = $filternames;
foreach ($filters as $filter => $notused) {
unset($newfilters[$filter]);
}
$stringfilters = filter_get_string_filters();
$table = new html_table();
$table->head = array(get_string('filter'), get_string('isactive', 'filters'),
get_string('order'), get_string('applyto', 'filters'), get_string('settings'), get_string('delete'));
$table->align = array('left', 'left', 'center', 'left', 'left');
$table->width = '100%';
$table->data = array();
$lastactive = null;
foreach ($filters as $filter => $filterinfo) {
if ($filterinfo->active != TEXTFILTER_DISABLED) {
$lastactive = $filter;
}
}
// iterate through filters adding to display table
$firstrow = true;
foreach ($filters as $filter => $filterinfo) {
$applytostrings = isset($stringfilters[$filter]) && $filterinfo->active != TEXTFILTER_DISABLED;
$row = get_table_row($filterinfo, $firstrow, $filter == $lastactive, $applytostrings);
$table->data[] = $row;
if ($filterinfo->active == TEXTFILTER_DISABLED) {
$table->rowclasses[] = 'dimmed_text';
} else {
$table->rowclasses[] = '';
}
$firstrow = false;
}
foreach ($newfilters as $filter => $filtername) {
$filterinfo = new stdClass;
$filterinfo->filter = $filter;
$filterinfo->active = TEXTFILTER_DISABLED;
$row = get_table_row($filterinfo, false, false, false);
$table->data[] = $row;
$table->rowclasses[] = 'dimmed_text';
}
echo html_writer::table($table);
echo '<p class="filtersettingnote">' . get_string('filterallwarning', 'filters') . '</p>';
echo $OUTPUT->footer();
/// Display helper functions ===================================================
function filters_action_url($filterpath, $action) {
return new moodle_url('/admin/filters.php', array('sesskey'=>sesskey(), 'filterpath'=>$filterpath, 'action'=>$action));
}
function get_table_row($filterinfo, $isfirstrow, $islastactive, $applytostrings) {
global $CFG, $OUTPUT, $activechoices, $applytochoices, $filternames; //TODO: this is sloppy coding style!!
$row = array();
$filter = $filterinfo->filter;
// Filter name
if (!empty($filternames[$filter])) {
$row[] = $filternames[$filter];
} else {
$row[] = '<span class="error">' . get_string('filemissing', '', $filter) . '</span>';
}
// Disable/off/on
$select = new single_select(filters_action_url($filter, 'setstate'), 'newstate', $activechoices, $filterinfo->active, null, 'active' . basename($filter));
$row[] = $OUTPUT->render($select);
// Re-order
$updown = '';
$spacer = '<img src="' . $OUTPUT->pix_url('spacer') . '" class="iconsmall" alt="" /> ';
if ($filterinfo->active != TEXTFILTER_DISABLED) {
if (!$isfirstrow) {
$updown .= $OUTPUT->action_icon(filters_action_url($filter, 'up'), new pix_icon('t/up', get_string('up')));
} else {
$updown .= $spacer;
}
if (!$islastactive) {
$updown .= $OUTPUT->action_icon(filters_action_url($filter, 'down'), new pix_icon('t/down', get_string('down')));
} else {
$updown .= $spacer;
}
}
$row[] = $updown;
// Apply to strings.
$select = new single_select(filters_action_url($filter, 'setapplyto'), 'stringstoo', $applytochoices, $applytostrings, null, 'applyto' . basename($filter));
$select->disabled = $filterinfo->active == TEXTFILTER_DISABLED;
$row[] = $OUTPUT->render($select);
// Settings link, if required
if (filter_has_global_settings($filter)) {
$row[] = '<a href="' . $CFG->wwwroot . '/' . $CFG->admin . '/settings.php?section=filtersetting' .
str_replace('/', '',$filter) . '">' . get_string('settings') . '</a>';
} else {
$row[] = '';
}
// Delete
if (substr($filter, 0, 4) != 'mod/') {
$row[] = '<a href="' . filters_action_url($filter, 'delete') . '">' . get_string('delete') . '</a>';
} else {
$row[] = '';
}
return $row;
}
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