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manage.php
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manage.php
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<?php // $Id$
///////////////////////////////////////////////////////////////////////////
// //
// 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 //
// //
///////////////////////////////////////////////////////////////////////////
/**
* Lets users configure which filters are active in a sub-context.
*
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
* @package moodlecore
*//** */
require_once(dirname(__FILE__) . '/../config.php');
require_once($CFG->libdir . '/adminlib.php');
$contextid = required_param('contextid',PARAM_INT);
$forfilter = optional_param('filter', '', PARAM_SAFEPATH);
if (!$context = get_context_instance_by_id($contextid)) {
print_error('wrongcontextid', 'error');
}
// This is a policy decision, rather than something that would be impossible to implement.
if (!in_array($context->contextlevel, array(CONTEXT_COURSECAT, CONTEXT_COURSE, CONTEXT_MODULE))) {
print_error('cannotcustomisefiltersblockuser', 'error');
}
$isfrontpage = $context->contextlevel == CONTEXT_COURSE && $context->instanceid == SITEID;
$contextname = print_context_name($context);
$baseurl = $CFG->wwwroot . '/filter/manage.php?contextid=' . $context->id;
if ($context->contextlevel == CONTEXT_COURSECAT) {
$course = clone($SITE);
} else if ($context->contextlevel == CONTEXT_COURSE) {
$course = $DB->get_record('course', array('id' => $context->instanceid));
} else {
// Must be module context.
$course = $DB->get_record_sql('SELECT c.* FROM {course} c JOIN {context} ctx ON c.id = ctx.instanceid WHERE ctx.id = ?',
array(get_parent_contextid($context)));
}
if (!$course) {
print_error('invalidcourse', 'error');
}
/// Check login and permissions.
require_login($course);
require_capability('moodle/filter:manage', $context);
/// Get the list of available filters.
$availablefilters = filter_get_available_in_context($context);
if (!$isfrontpage && empty($availablefilters)) {
print_error('nofiltersenabled', 'error');
}
// If we are handling local settings for a particular filter, start processing.
if ($forfilter) {
if (!filter_has_local_settings($forfilter)) {
print_error('filterdoesnothavelocalconfig', 'error', $forfilter);
}
require_once($CFG->dirroot . '/filter/local_settings_form.php');
require_once($CFG->dirroot . '/' . $forfilter . '/filterlocalsettings.php');
$formname = basename($forfilter) . '_filter_local_settings_form';
$settingsform = new $formname($CFG->wwwroot . '/filter/manage.php', $forfilter, $context);
if ($settingsform->is_cancelled()) {
redirect($baseurl);
} else if ($data = $settingsform->get_data()) {
$settingsform->save_changes($data);
redirect($baseurl);
}
}
/// Process any form submission.
if ($forfilter == '' && optional_param('savechanges', false, PARAM_BOOL) && confirm_sesskey()) {
foreach ($availablefilters as $filter => $filterinfo) {
$newstate = optional_param(str_replace('/', '_', $filter), false, PARAM_INT);
if ($newstate !== false && $newstate != $filterinfo->localstate) {
filter_set_local_state($filter, $context->id, $newstate);
}
}
redirect($CFG->wwwroot . '/filter/manage.php?contextid=' . $context->id, get_string('changessaved'), 1);
}
/// These are needed early because of tabs.php
$assignableroles = get_assignable_roles($context, ROLENAME_BOTH);
$overridableroles = get_overridable_roles($context, ROLENAME_BOTH);
/// Work out an appropriate page title.
if ($forfilter) {
$a = new stdClass;
$a->filter = filter_get_name($forfilter);
$a->context = $contextname;
$title = get_string('filtersettingsforin', 'filters', $a);
} else {
$title = get_string('filtersettingsin', 'filters', $contextname);
}
$straction = get_string('filters', 'admin'); // Used by tabs.php
/// Print the header and tabs
if ($context->contextlevel == CONTEXT_COURSE and $context->instanceid == SITEID) {
admin_externalpage_setup('frontpagefilters');
admin_externalpage_print_header();
} else {
$currenttab = 'filters';
include_once($CFG->dirroot . '/' . $CFG->admin . '/roles/tabs.php');
}
/// Print heading.
print_heading_with_help($title, 'localfiltersettings');
if (empty($availablefilters)) {
echo '<p class="centerpara">' . get_string('nofiltersenabled', 'filters') . "</p>\n";
} else if ($forfilter) {
$current = filter_get_local_config($forfilter, $contextid);
$settingsform->set_data((object) $current);
$settingsform->display();
} else {
$settingscol = false;
foreach ($availablefilters as $filter => $notused) {
$hassettings = filter_has_local_settings($filter);
$availablefilters[$filter]->hassettings = $hassettings;
$settingscol = $settingscol || $hassettings;
}
$strsettings = get_string('settings');
$stroff = get_string('off', 'filters');
$stron = get_string('on', 'filters');
$strdefaultoff = get_string('defaultx', 'filters', $stroff);
$strdefaulton = get_string('defaultx', 'filters', $stron);
$activechoices = array(
TEXTFILTER_INHERIT => '',
TEXTFILTER_OFF => $stroff,
TEXTFILTER_ON => $stron,
);
echo '<form action="' . $baseurl . '" method="post">';
echo "\n<div>\n";
echo '<input type="hidden" name="sesskey" value="' . sesskey() . '" />';
$table = new html_table();
$table->head = array(get_string('filter'), get_string('isactive', 'filters'));
$table->align = array('left', 'left');
if ($settingscol) {
$table->head[] = $strsettings;
$table->align[] = 'left';
}
$table->width = ' ';
$table->data = array();
// iterate through filters adding to display table
foreach ($availablefilters as $filter => $filterinfo) {
$row = array();
// Filter name.
$row[] = filter_get_name($filter);
// Default/on/off choice.
if ($filterinfo->inheritedstate == TEXTFILTER_ON) {
$activechoices[TEXTFILTER_INHERIT] = $strdefaulton;
} else {
$activechoices[TEXTFILTER_INHERIT] = $strdefaultoff;
}
$select = html_select::make($activechoices, str_replace('/', '_', $filter), $filterinfo->localstate, false);
$select->nothingvalue = '';
$row[] = $OUTPUT->select($select);
// Settings link, if required
if ($settingscol) {
$settings = '';
if ($filterinfo->hassettings) {
$settings = '<a href="' . $baseurl . '&filter=' . $filter . '">' . $strsettings . '</a>';
}
$row[] = $settings;
}
$table->data[] = $row;
}
echo $OUTPUT->table($table);
echo '<div class="buttons">' . "\n";
echo '<input type="submit" name="savechanges" value="' . get_string('savechanges') . '" />';
echo "\n</div>\n";
echo "</div>\n";
echo "</form>\n";
}
/// Appropriate back link.
if (!$isfrontpage && ($url = get_context_url($context))) {
echo '<div class="backlink"><a href="' . $url . '">' .
get_string('backto', '', $contextname) . '</a></div>';
}
echo $OUTPUT->footer();
?>