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<?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/>.
/**
* Handles lesson actions
*
* ACTIONS handled are:
* confirmdelete
* delete
* move
* moveit
* duplicate
* @package mod_lesson
* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
* @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');
$id = required_param('id', PARAM_INT); // Course Module ID
$action = required_param('action', PARAM_ALPHA); // Action
$pageid = required_param('pageid', PARAM_INT);
$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);
$url = new moodle_url('/mod/lesson/lesson.php', array('id'=>$id,'action'=>$action));
$PAGE->set_url($url);
$context = context_module::instance($cm->id);
require_capability('mod/lesson:edit', $context);
require_sesskey();
$lessonoutput = $PAGE->get_renderer('mod_lesson');
/// Process the action
switch ($action) {
case 'confirmdelete':
$PAGE->navbar->add(get_string($action, 'lesson'));
$thispage = $lesson->load_page($pageid);
echo $lessonoutput->header($lesson, $cm, '', false, null, get_string('deletingpage', 'lesson', format_string($thispage->title)));
echo $OUTPUT->heading(get_string("deletingpage", "lesson", format_string($thispage->title)));
// print the jumps to this page
$params = array("lessonid" => $lesson->id, "pageid" => $pageid);
if ($answers = $DB->get_records_select("lesson_answers", "lessonid = :lessonid AND jumpto = :pageid + 1", $params)) {
echo $OUTPUT->heading(get_string("thefollowingpagesjumptothispage", "lesson"));
echo "<p align=\"center\">\n";
foreach ($answers as $answer) {
if (!$title = $DB->get_field("lesson_pages", "title", array("id" => $answer->pageid))) {
print_error('cannotfindpagetitle', 'lesson');
}
echo $title."<br />\n";
}
}
echo $OUTPUT->confirm(get_string("confirmdeletionofthispage","lesson"),"lesson.php?action=delete&id=$cm->id&pageid=$pageid","view.php?id=$cm->id");
break;
case 'move':
$PAGE->navbar->add(get_string($action, 'lesson'));
$title = $DB->get_field("lesson_pages", "title", array("id" => $pageid));
echo $lessonoutput->header($lesson, $cm, '', false, null, get_string('moving', 'lesson', format_String($title)));
echo $OUTPUT->heading(get_string("moving", "lesson", format_string($title)), 3);
$params = array ("lessonid" => $lesson->id, "prevpageid" => 0);
if (!$page = $DB->get_record_select("lesson_pages", "lessonid = :lessonid AND prevpageid = :prevpageid", $params)) {
print_error('cannotfindfirstpage', 'lesson');
}
echo html_writer::start_tag('div', array('class' => 'move-page'));
echo html_writer::start_tag('div', array('class' => 'available-position'));
$moveurl = "lesson.php?id=$cm->id&sesskey=".sesskey()."&action=moveit&pageid=$pageid&after=0";
echo html_writer::link($moveurl, get_string("movepagehere", "lesson"));
echo html_writer::end_tag('div');
while (true) {
if ($page->id != $pageid) {
if (!$title = trim(format_string($page->title))) {
$title = "<< ".get_string("notitle", "lesson")." >>";
}
echo html_writer::tag('div', $title, array('class' => 'page'));
echo html_writer::start_tag('div', array('class' => 'available-position'));
$moveurl = "lesson.php?id=$cm->id&sesskey=".sesskey()."&action=moveit&pageid=$pageid&after={$page->id}";
echo html_writer::link($moveurl, get_string("movepagehere", "lesson"));
echo html_writer::end_tag('div');
}
if ($page->nextpageid) {
if (!$page = $DB->get_record("lesson_pages", array("id" => $page->nextpageid))) {
print_error('cannotfindnextpage', 'lesson');
}
} else {
// last page reached
break;
}
}
echo html_writer::end_tag('div');
break;
case 'delete':
$thispage = $lesson->load_page($pageid);
$thispage->delete();
redirect("$CFG->wwwroot/mod/lesson/edit.php?id=$cm->id");
break;
case 'moveit':
$after = (int)required_param('after', PARAM_INT); // target page
$lesson->resort_pages($pageid, $after);
redirect("$CFG->wwwroot/mod/lesson/edit.php?id=$cm->id");
break;
case 'duplicate':
$lesson->duplicate_page($pageid);
redirect(new moodle_url('/mod/lesson/edit.php', array('id' => $cm->id)));
break;
default:
print_error('unknowaction');
break;
}
echo $lessonoutput->footer();