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/>.

/**

 * Action for adding a question page.  Prints an HTML form.

 *

 * @package mod_lesson

 * @copyright  2009 Sam Hemelryk

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

 **/

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

require_once($CFG->dirroot.'/mod/lesson/locallib.php');

require_once('editpage_form.php');

// first get the preceeding page

$pageid = required_param('pageid', PARAM_INT);

$id     = required_param('id', PARAM_INT);         // Course Module ID

$qtype  = optional_param('qtype', 0, PARAM_INT);

$edit   = optional_param('edit', false, PARAM_BOOL);

$returnto = optional_param('returnto', null, PARAM_LOCALURL);

if (!empty($returnto)) {

    $returnto = new moodle_url($returnto);

} else {

    $returnto = new moodle_url('/mod/lesson/edit.php', array('id' => $id));

    $returnto->set_anchor('lesson-' . $pageid);

}

$cm = get_coursemodule_from_id('lesson', $id, 0, false, MUST_EXIST);

$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);

$lesson = new lesson($DB->get_record('lesson', array('id' => $cm->instance), '*', MUST_EXIST));

require_login($course, false, $cm);

$context = context_module::instance($cm->id);

require_capability('mod/lesson:edit', $context);

$PAGE->set_url('/mod/lesson/editpage.php', array('pageid'=>$pageid, 'id'=>$id, 'qtype'=>$qtype));

$PAGE->set_pagelayout('admin');

$PAGE->set_secondary_active_tab('modulepage');

$PAGE->add_body_class('limitedwidth');

if ($edit) {

    $editpage = lesson_page::load($pageid, $lesson);

    $qtype = $editpage->qtype;

    $edit = true;

} else {

    $edit = false;

}

$jumpto = lesson_page::get_jumptooptions($pageid, $lesson);

$manager = lesson_page_type_manager::get($lesson);

$editoroptions = array('noclean'=>true, 'maxfiles'=>EDITOR_UNLIMITED_FILES, 'maxbytes'=>$CFG->maxbytes);

// If the previous page was the Question type selection form, this form

// will have a different name (e.g. _qf__lesson_add_page_form_selection

// versus _qf__lesson_add_page_form_multichoice). This causes confusion

// in moodleform::_process_submission because the array key check doesn't

// tie up with the current form name, which in turn means the "submitted"

// check ends up evaluating as false, thus it's not possible to check whether

// the Question type selection was cancelled. For this reason, a dummy form

// is created here solely to check whether the selection was cancelled.

if ($qtype) {

    $mformdummy = $manager->get_page_form(0, array(

        'editoroptions' => $editoroptions,

        'jumpto'        => $jumpto,

        'lesson'        => $lesson,

        'edit'          => $edit,

        'maxbytes'      => $PAGE->course->maxbytes,

        'returnto'      => $returnto

    ));

    if ($mformdummy->is_cancelled()) {

        redirect($returnto);

        exit;

    }

}

$mform = $manager->get_page_form($qtype, array(

    'editoroptions' => $editoroptions,

    'jumpto'        => $jumpto,

    'lesson'        => $lesson,

    'edit'          => $edit,

    'maxbytes'      => $PAGE->course->maxbytes,

    'returnto'      => $returnto

));

if ($mform->is_cancelled()) {

    redirect($returnto);

    exit;

}

if ($edit) {

    $data = $editpage->properties();

    $data->pageid = $editpage->id;

    $data->id = $cm->id;

    $editoroptions['context'] = $context;

    $data = file_prepare_standard_editor($data, 'contents', $editoroptions, $context, 'mod_lesson', 'page_contents',  $editpage->id);

    $answerscount = 0;

    $answers = $editpage->get_answers();

    foreach ($answers as $answer) {

        $answereditor = 'answer_editor['.$answerscount.']';

        if (is_array($data->$answereditor)) {

            $answerdata = $data->$answereditor;

            if ($mform->get_answer_format() === LESSON_ANSWER_HTML) {

                $answerdraftid = file_get_submitted_draft_itemid($answereditor);

                $answertext = file_prepare_draft_area($answerdraftid, $PAGE->cm->context->id,

                        'mod_lesson', 'page_answers', $answer->id, $editoroptions, $answerdata['text']);

                $data->$answereditor = array('text' => $answertext, 'format' => $answerdata['format'], 'itemid' => $answerdraftid);

            } else {

                $data->$answereditor = $answerdata['text'];

            }

        }

        $responseeditor = 'response_editor['.$answerscount.']';

        if (is_array($data->$responseeditor)) {

            $responsedata = $data->$responseeditor;

            if ($mform->get_response_format() === LESSON_ANSWER_HTML) {

                $responsedraftid = file_get_submitted_draft_itemid($responseeditor);

                $responsetext = file_prepare_draft_area($responsedraftid, $PAGE->cm->context->id,

                        'mod_lesson', 'page_responses', $answer->id, $editoroptions, $responsedata['text']);

                $data->$responseeditor = array('text' => $responsetext, 'format' => $responsedata['format'],

                        'itemid' => $responsedraftid);

            } else {

                $data->$responseeditor = $responsedata['text'];

            }

        }

        $answerscount++;

    }

    // Let the lesson pages make updates if required.

    $data = $editpage->update_form_data($data);

    $mform->set_data($data);

    $PAGE->navbar->add(get_string('edit'), new moodle_url('/mod/lesson/edit.php', array('id'=>$id)));

    $PAGE->navbar->add(get_string('editingquestionpage', 'lesson', get_string($mform->qtypestring, 'lesson')));

} else {

    // Give the page type being created a chance to override the creation process

    // this is used by endofbranch, cluster, and endofcluster to skip the creation form.

    // IT SHOULD ALWAYS CALL require_sesskey();

    $mform->construction_override($pageid, $lesson);

    $data = new stdClass;

    $data->id = $cm->id;

    $data->pageid = $pageid;

    if ($qtype) {

        //TODO: the handling of form for the selection of question type is a bloody hack! (skodak)

        $data->qtype = $qtype;

    }

    $data = file_prepare_standard_editor($data, 'contents', $editoroptions, null);

    $mform->set_data($data);

    $PAGE->navbar->add(get_string('addanewpage', 'lesson'), $PAGE->url);

    if ($qtype !== 'unknown') {

        $PAGE->navbar->add(get_string($mform->qtypestring, 'lesson'));

    }

}

if ($data = $mform->get_data()) {

    require_sesskey();

    if ($edit) {

        $data->lessonid = $data->id;

        $data->id = $data->pageid;

        unset($data->pageid);

        unset($data->edit);

        $editpage->update($data, $context, $PAGE->course->maxbytes);

    } else {

        $editpage = lesson_page::create($data, $lesson, $context, $PAGE->course->maxbytes);

    }

    redirect($returnto);

}

$lessonoutput = $PAGE->get_renderer('mod_lesson');

echo $lessonoutput->header($lesson, $cm, '', false, null, get_string('edit', 'lesson'));

$mform->display();

echo $lessonoutput->footer();