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/>.

/**

 * Settings block

 *

 * @package    block_settings

 * @copyright  2010 Sam Hemelryk

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

 */

class block_settings_renderer extends plugin_renderer_base {

    public function settings_tree(settings_navigation $navigation) {

        $count = 0;

        foreach ($navigation->children as &$child) {

            $child->preceedwithhr = ($count!==0);

            if ($child->display) {

                $count++;

            }

        }

        $navigationattrs = array(

            'class' => 'block_tree list',

            'role' => 'tree',

            'data-ajax-loader' => 'block_navigation/site_admin_loader');

        $content = $this->navigation_node($navigation, $navigationattrs);

        if (isset($navigation->id) && !is_numeric($navigation->id) && !empty($content)) {

            $content = $this->output->box($content, 'block_tree_box', $navigation->id);

        }

        return $content;

    }

    /**

     * Build the navigation node.

     *

     * @param navigation_node $node the navigation node object.

     * @param array $attrs list of attributes.

     * @param int $depth the depth, default to 1.

     * @return string the navigation node code.

     */

    protected function navigation_node(navigation_node $node, $attrs=array(), $depth = 1) {

        $items = $node->children;

        // exit if empty, we don't want an empty ul element

        if ($items->count()==0) {

            return '';

        }

        // array of nested li elements

        $lis = array();

        $number = 0;

        foreach ($items as $item) {

            $number++;

            if (!$item->display) {

                continue;

            }

            $isbranch = ($item->children->count()>0  || $item->nodetype==navigation_node::NODETYPE_BRANCH);

            if ($isbranch) {

                $item->hideicon = true;

            }

            $content = $this->output->render($item);

            $id = $item->id ? $item->id : html_writer::random_id();

            $ulattr = ['id' => $id . '_group', 'role' => 'group'];

            $liattr = ['class' => [$item->get_css_type(), 'depth_'.$depth], 'tabindex' => '-1', 'role' => 'treeitem'];

            $pattr = ['class' => ['tree_item']];

            $pattr += !empty($item->id) ? ['id' => $item->id] : [];

            $hasicon = (!$isbranch && $item->icon instanceof renderable);

            if ($isbranch) {

                $liattr['class'][] = 'contains_branch';

                if (!$item->forceopen || (!$item->forceopen && $item->collapse) || ($item->children->count() == 0

                        && $item->nodetype == navigation_node::NODETYPE_BRANCH)) {

                    $liattr += ['aria-expanded' => 'false'];

                } else {

                    $liattr += ['aria-expanded' => 'true'];

                }

                if ($item->requiresajaxloading) {

                    $liattr['data-requires-ajax'] = 'true';

                    $liattr['data-loaded'] = 'false';

                } else {

                    $liattr += ['aria-owns' => $id . '_group'];

                }

            } else if ($hasicon) {

                $liattr['class'][] = 'item_with_icon';

                $pattr['class'][] = 'hasicon';

            }

            if ($item->isactive === true) {

                $liattr['class'][] = 'current_branch';

            }

            if (!empty($item->classes) && count($item->classes) > 0) {

                $pattr['class'] = array_merge($pattr['class'], $item->classes);

            }

            // class attribute on the div item which only contains the item content

            $pattr['class'][] = 'tree_item';

            if ($isbranch) {

                $pattr['class'][] = 'branch';

            } else {

                $pattr['class'][] = 'leaf';

            }

            $liattr['class'] = join(' ', $liattr['class']);

            $pattr['class'] = join(' ', $pattr['class']);

            if (isset($liattr['aria-expanded']) && $liattr['aria-expanded'] === 'false') {

                $ulattr += ['aria-hidden' => 'true'];

            }

            $content = html_writer::tag('p', $content, $pattr) . $this->navigation_node($item, $ulattr, $depth + 1);

            if (!empty($item->preceedwithhr) && $item->preceedwithhr===true) {

                $content = html_writer::empty_tag('hr') . $content;

            }

            $content = html_writer::tag('li', $content, $liattr);

            $lis[] = $content;

        }

        if (count($lis)) {

            if (empty($attrs['role'])) {

                $attrs['role'] = 'group';

            }

            return html_writer::tag('ul', implode("\n", $lis), $attrs);

        } else {

            return '';

        }

    }

    public function search_form(moodle_url $formtarget, $searchvalue) {

        $data = [

            'action' => $formtarget,

            'inputname' => 'query',

            'searchstring' => get_string('searchinsettings', 'admin'),

            'query' => $searchvalue

        ];

        return $this->render_from_template('core/search_input', $data);

    }

}