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/>.

/**

 * @package    core_tag

 * @category   tag

 * @copyright  2007 Luiz Cruz <luiz.laydner@gmail.com>

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

 */

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

require_once('lib.php');

require_once('edit_form.php');

$tagid = optional_param('id', 0, PARAM_INT);

$tagname = optional_param('tag', '', PARAM_TAG);

$returnurl = optional_param('returnurl', '', PARAM_LOCALURL);

require_login();

if (empty($CFG->usetags)) {

    throw new \moodle_exception('tagsaredisabled', 'tag');

}

//Editing a tag requires moodle/tag:edit capability

$systemcontext   = context_system::instance();

require_capability('moodle/tag:edit', $systemcontext);

if ($tagname) {

    $tagcollid = optional_param('tc', 0, PARAM_INT);

    if (!$tagcollid) {

        // Tag name specified but tag collection was not. Try to guess it.

        $tags = core_tag_tag::guess_by_name($tagname, '*');

        if (count($tags) > 1) {

            // This tag was found in more than one collection, redirect to search.

            redirect(new moodle_url('/tag/search.php', array('tag' => $tagname)));

        } else if (count($tags) == 1) {

            $tag = reset($tags);

        }

    } else {

        if (!$tag = core_tag_tag::get_by_name($tagcollid, $tagname, '*')) {

            redirect(new moodle_url('/tag/search.php', array('tagcollid' => $tagcollid)));

        }

    }

} else if ($tagid) {

    $tag = core_tag_tag::get($tagid, '*');

}

if (empty($tag)) {

    redirect(new moodle_url('/tag/search.php'));

}

$PAGE->set_url($tag->get_view_url());

$PAGE->set_subpage($tag->id);

$PAGE->set_context($systemcontext);

$PAGE->set_blocks_editing_capability('moodle/tag:editblocks');

$PAGE->set_pagelayout('standard');

$tagname = $tag->get_display_name();

$tagcollid = $tag->tagcollid;

// set the relatedtags field of the $tag object that will be passed to the form

$data = $tag->to_object();

$data->relatedtags = core_tag_tag::get_item_tags_array('core', 'tag', $tag->id);

$options = new stdClass();

$options->filter = false;

// convert and remove any XSS

$data->description       = format_text($tag->description, $tag->descriptionformat, $options);

$data->descriptionformat = FORMAT_HTML;

$errorstring = '';

$editoroptions = array(

    'maxfiles'  => EDITOR_UNLIMITED_FILES,

    'maxbytes'  => $CFG->maxbytes,

    'trusttext' => false,

    'context'   => $systemcontext,

    'subdirs'   => file_area_contains_subdirs($systemcontext, 'tag', 'description', $tag->id),

);

$data = file_prepare_standard_editor($data, 'description', $editoroptions, $systemcontext, 'tag', 'description', $data->id);

$tagform = new tag_edit_form(null, array('editoroptions' => $editoroptions, 'tag' => $tag));

$data->returnurl = $returnurl;

$tagform->set_data($data);

if ($tagform->is_cancelled()) {

    redirect($returnurl ? new moodle_url($returnurl) : $tag->get_view_url());

} else if ($tagnew = $tagform->get_data()) {

    // If new data has been sent, update the tag record.

    $updatedata = array();

    if (has_capability('moodle/tag:manage', $systemcontext)) {

        $updatedata['isstandard'] = empty($tagnew->isstandard) ? 0 : 1;

        $updatedata['rawname'] = $tagnew->rawname;

    }

    $tagnew = file_postupdate_standard_editor($tagnew, 'description', $editoroptions,

            $systemcontext, 'tag', 'description', $tag->id);

    $updatedata['description'] = $tagnew->description;

    $updatedata['descriptionformat'] = $tagnew->descriptionformat;

    // Update name, description and whether it is a standard tag.

    $tag->update($updatedata);

    // Updated related tags.

    $tag->set_related_tags($tagnew->relatedtags);

    redirect($returnurl ? new moodle_url($returnurl) : $tag->get_view_url());

}

navigation_node::override_active_url(new moodle_url('/tag/search.php'));

$PAGE->navbar->add($tagname);

$PAGE->navbar->add(get_string('edit'));

$PAGE->set_title(get_string('tag', 'tag') . ' - '. $tagname);

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

echo $OUTPUT->header();

echo $OUTPUT->heading($tagname, 2);

if (!empty($errorstring)) {

    echo $OUTPUT->notification($errorstring);

}

$tagform->display();

echo $OUTPUT->footer();