. /** * Handles lesson actions * * ACTIONS handled are: * confirmdelete * delete * move * moveit * @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 "

\n"; foreach ($answers as $answer) { if (!$title = $DB->get_field("lesson_pages", "title", array("id" => $answer->pageid))) { print_error('cannotfindpagetitle', 'lesson'); } echo $title."
\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 $pages = $lesson->load_all_pages(); if (!array_key_exists($pageid, $pages) || ($after!=0 && !array_key_exists($after, $pages))) { print_error('cannotfindpages', 'lesson', "$CFG->wwwroot/mod/lesson/edit.php?id=$cm->id"); } $pagetomove = clone($pages[$pageid]); unset($pages[$pageid]); $pageids = array(); if ($after === 0) { $pageids['p0'] = $pageid; } foreach ($pages as $page) { $pageids[] = $page->id; if ($page->id == $after) { $pageids[] = $pageid; } } $pageidsref = $pageids; reset($pageidsref); $prev = 0; $next = next($pageidsref); foreach ($pageids as $pid) { if ($pid === $pageid) { $page = $pagetomove; } else { $page = $pages[$pid]; } if ($page->prevpageid != $prev || $page->nextpageid != $next) { $page->move($next, $prev); } $prev = $page->id; $next = next($pageidsref); if (!$next) { $next = 0; } } redirect("$CFG->wwwroot/mod/lesson/edit.php?id=$cm->id"); break; default: print_error('unknowaction'); break; } echo $lessonoutput->footer();