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    backup-convert

 * @copyright  2011 Darko Miletic <dmiletic@moodlerooms.com>

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

 */

require_once('cc_general.php');

class page11_resurce_file extends general_cc_file {

    protected $rootns = 'xmlns';

    protected $rootname = 'html';

    protected $ccnamespaces = array('xmlns' => 'http://www.w3.org/1999/xhtml');

    protected $content = null;

    protected $title = null;

    protected $intro = null;

    public function set_content($value) {

        // We are not cleaning up this one on purpose.

        $this->content = $value;

    }

    public function set_title($value) {

        $this->title = self::safexml($value);

    }

    public function set_intro($value) {

        $this->intro = self::safexml(strip_tags($value));

    }

    protected function on_create() {

        $impl = new DOMImplementation();

        $dtd  = $impl->createDocumentType( 'html',

                                           '-//W3C//DTD XHTML 1.0 Strict//EN',

                                           'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd');

        $doc = $impl->createDocument($this->ccnamespaces[$this->rootns], null, $dtd);

        $doc->formatOutput = true;

        $doc->preserveWhiteSpace = true;

        $this->doc = $doc;

        parent::on_create();

    }

    public function on_save() {

        $rns = $this->ccnamespaces[$this->rootns];

        // Add the basic tags.

        $head = $this->append_new_element_ns($this->root, $rns, 'head');

        $this->append_new_attribute_ns($head, $rns, 'profile', 'http://dublincore.org/documents/dc-html/');

        // Linking Dublin Core Metadata 1.1.

        $link_dc = $this->append_new_element_ns($head, $rns, 'link');

        $this->append_new_attribute_ns($link_dc, $rns, 'rel', 'schema.DC');

        $this->append_new_attribute_ns($link_dc, $rns, 'href', 'http://purl.org/dc/elements/1.1/');

        $link_dcterms = $this->append_new_element_ns($head, $rns, 'link');

        $this->append_new_attribute_ns($link_dcterms, $rns, 'rel', 'schema.DCTERMS');

        $this->append_new_attribute_ns($link_dcterms, $rns, 'href', 'http://purl.org/dc/terms/');

        // Content type.

        $meta_type = $this->append_new_element_ns($head, $rns, 'meta');

        $this->append_new_attribute_ns($meta_type, $rns, 'name', 'DC.type');

        $this->append_new_attribute_ns($meta_type, $rns, 'scheme', 'DCTERMS.DCMIType');

        $this->append_new_attribute_ns($meta_type, $rns, 'content', 'Text');

        // Content description.

        if (!empty($this->intro)) {

            $meta_description = $this->append_new_element_ns($head, $rns, 'meta');

            $this->append_new_attribute_ns($meta_description, $rns, 'name', 'DC.description');

            $this->append_new_attribute_ns($meta_description, $rns, 'content', $this->intro);

        }

        $meta = $this->append_new_element_ns($head, $rns, 'meta');

        $this->append_new_attribute_ns($meta, $rns, 'http-equiv', 'Content-type');

        $this->append_new_attribute_ns($meta, $rns, 'content', 'text/html; charset=UTF-8');

        // Set the title.

        $title = $this->append_new_element_ns($head, $rns, 'title', $this->title);

        $body = $this->append_new_element_ns($this->root, $rns, 'body');

        // We are unable to use DOM for embedding HTML due to numerous content errors.

        // Therefore we place a dummy tag that will be later replaced with the real content.

        $this->append_new_element_ns($body, $rns, 'div', '##REPLACE##');

        return true;

    }

    public function saveTo($fname) {

        $result = $this->on_save();

        if ($result) {

            $dret = str_replace('<?xml version="1.0"?>'."\n", '', $this->viewXML());

            $dret = str_replace('<div>##REPLACE##</div>', $this->content, $dret);

            $result = (file_put_contents($fname, $dret) !== false);

            if ($result) {

                $this->filename = $fname;

                $this->processPath();

            }

        }

        return $result;

    }

}