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/>.

/**

 * Filter management page.

 *

 * @package    core

 * @copyright  1999 onwards Martin Dougiamas  http://dougiamas.com

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

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

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

$action = optional_param('action', '', PARAM_ALPHA);

$filterpath = optional_param('filterpath', '', PARAM_PLUGIN);

admin_externalpage_setup('managefilters');

// Clean up bogus filter states first.

/** @var core\plugininfo\filter[] $plugininfos */

$plugininfos = core_plugin_manager::instance()->get_plugins_of_type('filter');

$filters = [];

$states = filter_get_global_states();

foreach ($states as $state) {

    if (!isset($plugininfos[$state->filter]) and !get_config('filter_'.$state->filter, 'version')) {

        // Purge messy leftovers after incorrectly uninstalled plugins and unfinished installations.

        $DB->delete_records('filter_active', ['filter' => $state->filter]);

        $DB->delete_records('filter_config', ['filter' => $state->filter]);

        error_log('Deleted bogus "filter_'.$state->filter.'" states and config data.');

    } else {

        $filters[$state->filter] = $state;

    }

}

// Add properly installed and upgraded filters to the global states table.

foreach ($plugininfos as $filter => $info) {

    if (isset($filters[$filter])) {

        continue;

    }

    if ($info->is_installed_and_upgraded()) {

        filter_set_global_state($filter, TEXTFILTER_DISABLED);

        $states = filter_get_global_states();

        foreach ($states as $state) {

            if ($state->filter === $filter) {

                $filters[$filter] = $state;

                break;

            }

        }

    }

}

if ($action) {

    require_sesskey();

}

// Process actions.

switch ($action) {

    case 'setstate':

        if (isset($filters[$filterpath]) and $newstate = optional_param('newstate', '', PARAM_INT)) {

            /** @var \core\plugininfo\filter $class */

            $class = core_plugin_manager::resolve_plugininfo_class('filter');

            $class::enable_plugin($filterpath, $newstate);

        }

        break;

    case 'setapplyto':

        if (isset($filters[$filterpath])) {

            $applytostrings = optional_param('stringstoo', false, PARAM_BOOL);

            filter_set_applies_to_strings($filterpath, $applytostrings);

            reset_text_filters_cache();

            core_plugin_manager::reset_caches();

        }

        break;

    case 'down':

        if (isset($filters[$filterpath])) {

            filter_set_global_state($filterpath, $filters[$filterpath]->active, 1);

            reset_text_filters_cache();

            core_plugin_manager::reset_caches();

        }

        break;

    case 'up':

        if (isset($filters[$filterpath])) {

            $oldpos = $filters[$filterpath]->sortorder;

            filter_set_global_state($filterpath, $filters[$filterpath]->active, -1);

            reset_text_filters_cache();

            core_plugin_manager::reset_caches();

        }

        break;

}

// Return.

if ($action) {

    redirect(new moodle_url('/admin/filters.php'));

}

// Print the page heading.

echo $OUTPUT->header();

echo $OUTPUT->heading(get_string('filtersettings', 'admin'));

$states = filter_get_global_states();

$stringfilters = filter_get_string_filters();

$table = new html_table();

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

        get_string('order'), get_string('applyto', 'filters'), get_string('settings'), get_string('uninstallplugin', 'core_admin')];

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

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

$table->id = 'filterssetting';

$table->data  = [];

$lastactive = null;

foreach ($states as $state) {

    if ($state->active != TEXTFILTER_DISABLED) {

        $lastactive = $state->filter;

    }

}

// Iterate through filters adding to display table.

$firstrow = true;

foreach ($states as $state) {

    $filter = $state->filter;

    if (!isset($plugininfos[$filter])) {

        continue;

    }

    $plugininfo = $plugininfos[$filter];

    $applytostrings = isset($stringfilters[$filter]) && $state->active != TEXTFILTER_DISABLED;

    $row = get_table_row($plugininfo, $state, $firstrow, $filter == $lastactive, $applytostrings);

    $table->data[] = $row;

    if ($state->active == TEXTFILTER_DISABLED) {

        $table->rowclasses[] = 'dimmed_text';

    } else {

        $table->rowclasses[] = '';

    }

    $firstrow = false;

}

echo html_writer::table($table);

echo '<p class="filtersettingnote">' . get_string('filterallwarning', 'filters') . '</p>';

echo $OUTPUT->footer();

die;

/**

 * Return action URL.

 *

 * @param string $filterpath which filter to get the URL for.

 * @param string $action which action to get the URL for.

 * @return moodle_url|null the requested URL.

 */

function filters_action_url(string $filterpath, string $action): ?moodle_url {

    if ($action === 'delete') {

        return core_plugin_manager::instance()->get_uninstall_url('filter_'.$filterpath, 'manage');

    }

    return new moodle_url('/admin/filters.php',

            ['sesskey' => sesskey(), 'filterpath' => $filterpath, 'action' => $action]);

}

/**

 * Construct table record.

 *

 * @param \core\plugininfo\filter $plugininfo

 * @param stdClass $state

 * @param bool $isfirstrow

 * @param bool $islastactive

 * @param bool $applytostrings

 * @return array data

 */

function get_table_row(\core\plugininfo\filter $plugininfo, stdClass $state,

        bool $isfirstrow, bool $islastactive, bool $applytostrings): array {

    global $OUTPUT;

    $row = [];

    $filter = $state->filter;

    $active = $plugininfo->is_installed_and_upgraded();

    static $activechoices;

    static $applytochoices;

    if (!isset($activechoices)) {

        $activechoices = [

            TEXTFILTER_DISABLED => get_string('disabled', 'core_filters'),

            TEXTFILTER_OFF => get_string('offbutavailable', 'core_filters'),

            TEXTFILTER_ON => get_string('on', 'core_filters'),

        ];

        $applytochoices = [

            1 => get_string('contentandheadings', 'core_filters'),

        ];

    }

    // Filter name.

    $displayname = $plugininfo->displayname;

    if (!$plugininfo->rootdir) {

        $displayname = '<span class="error">' . $displayname . ' - ' . get_string('status_missing', 'core_plugin') . '</span>';

    } else if (!$active) {

        $displayname = '<span class="error">' . $displayname . ' - ' . get_string('error') . '</span>';

    }

    $row[] = $displayname;

    // Disable/off/on.

    $select = new single_select(filters_action_url($filter, 'setstate'), 'newstate', $activechoices, $state->active, null, 'active' . $filter);

    $select->set_label(get_string('isactive', 'filters'), ['class' => 'accesshide']);

    $row[] = $OUTPUT->render($select);

    // Re-order.

    $updown = '';

    $spacer = $OUTPUT->spacer();

    if ($state->active != TEXTFILTER_DISABLED) {

        if (!$isfirstrow) {

            $updown .= $OUTPUT->action_icon(filters_action_url($filter, 'up'),

                    new pix_icon('t/up', get_string('up'), '', ['class' => 'iconsmall']));

        } else {

            $updown .= $spacer;

        }

        if (!$islastactive) {

            $updown .= $OUTPUT->action_icon(filters_action_url($filter, 'down'),

                    new pix_icon('t/down', get_string('down'), '', ['class' => 'iconsmall']));

        } else {

            $updown .= $spacer;

        }

    }

    $row[] = $updown;

    // Apply to strings.

    $select = new single_select(filters_action_url($filter, 'setapplyto'),

            'stringstoo', $applytochoices, $applytostrings, null, 'applyto' . $filter);

    $select->set_label(get_string('applyto', 'filters'), ['class' => 'accesshide']);

    $select->disabled = ($state->active == TEXTFILTER_DISABLED);

    $row[] = $OUTPUT->render($select);

    // Settings link, if required.

    if ($active and filter_has_global_settings($filter)) {

        $row[] = html_writer::link(new moodle_url('/admin/settings.php',

                ['section' => 'filtersetting'.$filter]), get_string('settings'));

    } else {

        $row[] = '';

    }

    // Uninstall.

    $row[] = html_writer::link(filters_action_url($filter, 'delete'),

            get_string('uninstallplugin', 'core_admin'));

    return $row;

}