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/>.

namespace core_contentbank\output;

use context;

use core_contentbank\content;

use core_contentbank\contenttype;

use moodle_url;

use renderable;

use renderer_base;

use stdClass;

use templatable;

/**

 * Class containing data for the content view.

 *

 * @copyright  2020 Victor Deniz <victor@moodle.com>

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

 */

class viewcontent implements renderable, templatable {

    /**

     * @var contenttype Content bank content type.

     */

    private $contenttype;

    /**

     * @var stdClass Record of the contentbank_content table.

     */

    private $content;

    /**

     * Construct this renderable.

     *

     * @param contenttype $contenttype Content bank content type.

     * @param content $content Record of the contentbank_content table.

     */

    public function __construct(contenttype $contenttype, content $content) {

        $this->contenttype = $contenttype;

        $this->content = $content;

    }

    /**

     * Get the content of the "More" dropdown in the tertiary navigation

     *

     * @return array|null The options to be displayed in a dropdown in the tertiary navigation

     * @throws \moodle_exception

     */

    protected function get_edit_actions_dropdown(): ?array {

        global $PAGE;

        $options = [];

        if ($this->contenttype->can_manage($this->content)) {

            // Add the visibility item to the menu.

            switch($this->content->get_visibility()) {

                case content::VISIBILITY_UNLISTED:

                    $visibilitylabel = get_string('visibilitysetpublic', 'core_contentbank');

                    $newvisibility = content::VISIBILITY_PUBLIC;

                    break;

                case content::VISIBILITY_PUBLIC:

                    $visibilitylabel = get_string('visibilitysetunlisted', 'core_contentbank');

                    $newvisibility = content::VISIBILITY_UNLISTED;

                    break;

                default:

                    $url = new \moodle_url('/contentbank/index.php', ['contextid' => $this->content->get_contextid()]);

                    throw new moodle_exception('contentvisibilitynotfound', 'error', $url, $this->content->get_visibility());

            }

            if ($visibilitylabel) {

                $options[$visibilitylabel] = [

                    'data-action' => 'setcontentvisibility',

                    'data-visibility' => $newvisibility,

                    'data-contentid' => $this->content->get_id(),

                ];

            }

            // Add the rename content item to the menu.

            $options[get_string('rename')] = [

                'data-action' => 'renamecontent',

                'data-contentname' => $this->content->get_name(),

                'data-contentid' => $this->content->get_id(),

            ];

            if ($this->contenttype->can_upload()) {

                $options[get_string('replacecontent', 'contentbank')] = ['data-action' => 'upload'];

                $PAGE->requires->js_call_amd(

                    'core_contentbank/upload',

                    'initModal',

                    [

                        '[data-action=upload]',

                        \core_contentbank\form\upload_files::class,

                        $this->content->get_contextid(),

                        $this->content->get_id()

                    ]

                );

            }

        }

        if ($this->contenttype->can_download($this->content)) {

            $url = new moodle_url($this->contenttype->get_download_url($this->content));

            $options[get_string('download')] = [

                'url' => $url->out()

            ];

        }

        if ($this->contenttype->can_copy($this->content)) {

            // Add the copy content item to the menu.

            $options[get_string('copycontent', 'contentbank')] = [

                'data-action' => 'copycontent',

                'data-contentname' => get_string('copyof', 'contentbank', $this->content->get_name()),

                'data-contentid' => $this->content->get_id(),

            ];

        }

        // Add the delete content item to the menu.

        if ($this->contenttype->can_delete($this->content)) {

            $options[get_string('delete')] = [

                'data-action' => 'deletecontent',

                'data-contentname' => $this->content->get_name(),

                'data-uses' => count($this->content->get_uses()),

                'data-contentid' => $this->content->get_id(),

                'data-contextid' => $this->content->get_contextid(),

                'class' => 'text-danger',

                ];

        }

        $dropdown = [];

        if ($options) {

            foreach ($options as $key => $attribs) {

                $url = $attribs['url'] ?? '#';

                $extraclasses = $attribs['class'] ?? '';

                $dropdown['options'][] = [

                    'label' => $key,

                    'url' => $url,

                    'extraclasses' => $extraclasses,

                    'attributes' => array_map(function ($key, $value) {

                        return [

                            'name' => $key,

                            'value' => $value

                        ];

                    }, array_keys($attribs), $attribs)

                ];

            }

        }

        return $dropdown;

    }

    /**

     * Export this data so it can be used as the context for a mustache template.

     *

     * @param renderer_base $output

     *

     * @return stdClass

     */

    public function export_for_template(renderer_base $output): stdClass {

        $data = new stdClass();

        // Get the content type html.

        $contenthtml = $this->contenttype->get_view_content($this->content);

        $data->contenthtml = $contenthtml;

        // Check if the user can edit this content type.

        if ($this->contenttype->can_edit($this->content)) {

            $data->usercanedit = true;

            $urlparams = [

                'contextid' => $this->content->get_contextid(),

                'plugin' => $this->contenttype->get_plugin_name(),

                'id' => $this->content->get_id()

            ];

            $editcontenturl = new moodle_url('/contentbank/edit.php', $urlparams);

            $data->editcontenturl = $editcontenturl->out(false);

        }

        // Close/exit link for those users who can access that context.

        $context = context::instance_by_id($this->content->get_contextid());

        if (has_capability('moodle/contentbank:access', $context)) {

            $closeurl = new moodle_url('/contentbank/index.php', ['contextid' => $context->id]);

            $data->closeurl = $closeurl->out(false);

        }

        $data->actionmenu = $this->get_edit_actions_dropdown();

        $data->heading = $this->content->get_name();

        if ($this->content->get_visibility() == content::VISIBILITY_UNLISTED) {

            $data->heading = get_string('visibilitytitleunlisted', 'contentbank', $data->heading);

        }

        return $data;

    }

}