Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle 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 3 of the License, or

// (at your option) any later version.

//

// Moodle 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.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * Lets users configure which filters are active in a sub-context.

 *

 * @license    http://www.gnu.org/copyleft/gpl.html GNU Public License

 * @package    core

 * @subpackage filter

 */

require_once(__DIR__ . '/../config.php');

require_once($CFG->libdir . '/adminlib.php');

$contextid = required_param('contextid',PARAM_INT);

$forfilter = optional_param('filter', '', PARAM_SAFEDIR);

$returnto  = optional_param('return', null, PARAM_ALPHANUMEXT);

list($context, $course, $cm) = get_context_info_array($contextid);

/// Check login and permissions.

require_login($course, false, $cm);

require_capability('moodle/filter:manage', $context);

$PAGE->set_context($context);

$args = array('contextid'=>$contextid);

$baseurl = new moodle_url('/filter/manage.php', $args);

if (!empty($forfilter)) {

    $args['filter'] = $forfilter;

}

$PAGE->set_url($baseurl, $args);

if ($returnto !== null) {

    $baseurl->param('return', $returnto);

}

// 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))) {

    throw new \moodle_exception('cannotcustomisefiltersblockuser', 'error');

}

$isfrontpage = ($context->contextlevel == CONTEXT_COURSE && $context->instanceid == SITEID);

$contextname = $context->get_context_name();

if ($context->contextlevel == CONTEXT_COURSECAT) {

    core_course_category::page_setup();

} else if ($context->contextlevel == CONTEXT_COURSE) {

    $PAGE->set_heading($course->fullname);

} else if ($context->contextlevel == CONTEXT_MODULE) {

    // Must be module context.

    $PAGE->set_heading($PAGE->activityrecord->name);

}

/// Check login and permissions.

require_login($course, false, $cm);

require_capability('moodle/filter:manage', $context);

$PAGE->set_context($context);

/// Get the list of available filters.

$availablefilters = filter_get_available_in_context($context);

if (!$isfrontpage && empty($availablefilters)) {

    throw new \moodle_exception('nofiltersenabled', 'error');

}

// If we are handling local settings for a particular filter, start processing.

if ($forfilter) {

    if (!filter_has_local_settings($forfilter)) {

        throw new \moodle_exception('filterdoesnothavelocalconfig', 'error', $forfilter);

    }

    require_once($CFG->dirroot . '/filter/local_settings_form.php');

    require_once($CFG->dirroot . '/filter/' . $forfilter . '/filterlocalsettings.php');

    $formname = $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) {

        $newstate = optional_param($filter, false, PARAM_INT);

        if ($newstate !== false && $newstate != $filterinfo->localstate) {

            filter_set_local_state($filter, $context->id, $newstate);

        }

    }

    redirect($baseurl, get_string('changessaved'), 1);

}

/// 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.

$PAGE->set_cacheable(false);

$PAGE->set_title($title);

$PAGE->set_pagelayout('admin');

$PAGE->activityheader->disable();

echo $OUTPUT->header();

/// Print heading.

echo $OUTPUT->heading_with_help($title, 'filtersettings', 'filters');

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 html_writer::start_tag('form', array('action'=>$baseurl->out_omit_querystring(), 'method'=>'post'));

    echo html_writer::start_tag('div');

    echo html_writer::empty_tag('input', array('type'=>'hidden', 'name'=>'sesskey', 'value'=>sesskey()));

    foreach ($baseurl->params() as $key => $value) {

        echo html_writer::empty_tag('input', array('type'=>'hidden', 'name'=>$key, 'value'=>$value));

    }

    $table = new html_table();

    $table->head  = array(get_string('filter'), get_string('isactive', 'filters'));

    $table->colclasses = array('leftalign', 'leftalign');

    if ($settingscol) {

        $table->head[] = $strsettings;

        $table->colclasses[] = 'leftalign';

    }

    $table->id = 'frontpagefiltersettings';

    $table->attributes['class'] = 'admintable generaltable';

    $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;

        }

        $select = html_writer::label($filterinfo->localstate, 'menu'. $filter, false, array('class' => 'accesshide'));

        $select .= html_writer::select($activechoices, $filter, $filterinfo->localstate, false);

        $row[] = $select;

        // Settings link, if required

        if ($settingscol) {

            $settings = '';

            if ($filterinfo->hassettings) {

                $settings = '<a href="' . $baseurl->out(true, array('filter'=>$filter)). '">' . $strsettings . '</a>';

            }

            $row[] = $settings;

        }

        $table->data[] = $row;

    }

    echo html_writer::table($table);

    echo html_writer::start_tag('div', array('class'=>'buttons'));

    $submitattr = ['type' => 'submit', 'name' => 'savechanges', 'value' => get_string('savechanges'), 'class' => 'btn btn-primary'];

    echo html_writer::empty_tag('input', $submitattr);

    echo html_writer::end_tag('div');

    echo html_writer::end_tag('div');

    echo html_writer::end_tag('form');

}

/// Appropriate back link.

if (!$isfrontpage) {

    if ($context->contextlevel === CONTEXT_COURSECAT && $returnto === 'management') {

        $url = new moodle_url('/course/management.php', array('categoryid' => $context->instanceid));

    } else {

        $url = $context->get_url();

    }

    echo html_writer::start_tag('div', array('class'=>'backlink'));

    echo html_writer::tag('a', get_string('backto', '', $contextname), array('href' => $url));

    echo html_writer::end_tag('div');

}

echo $OUTPUT->footer();