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MDL-49470 mod_lesson: Triggering just 1 event

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David Monllao 2015-03-25 15:32:54 +08:00
parent 33d65f705b
commit b7bfbfee2c
3 changed files with 82 additions and 58 deletions
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92
mod/lesson/locallib.php
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@ -1645,6 +1645,82 @@ class lesson extends lesson_base {
$pageid = $pages[$pageid]->prevpageid;
}
}
/**
* Move a page resorting all other pages.
*
* @param int $pageid
* @param int $after
* @return void
*/
public function resort_pages($pageid, $after) {
global $CFG;
$cm = get_coursemodule_from_instance('lesson', $this->properties->id, $this->properties->course);
$context = context_module::instance($cm->id);
$pages = $this->load_all_pages();
if (!array_key_exists($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, $prev);
if ($pid === $pageid) {
// We will trigger an event.
$pageupdated = array('next' => $next, 'prev' => $prev);
}
}
$prev = $page->id;
$next = next($pageidsref);
if (!$next) {
$next = 0;
}
}
// Trigger an event: page moved.
if (!empty($pageupdated)) {
$eventparams = array(
'context' => $context,
'objectid' => $pageid,
'other' => array(
'pagetype' => $page->get_typestring(),
'prevpageid' => $pageupdated['prev'],
'nextpageid' => $pageupdated['next']
)
);
$event = \mod_lesson\event\page_moved::create($eventparams);
$event->trigger();
}
}
}
@ -2022,22 +2098,6 @@ abstract class lesson_page extends lesson_base {
$obj->prevpageid = $prevpageid;
$obj->nextpageid = $nextpageid;
$DB->update_record('lesson_pages', $obj);
$cm = get_coursemodule_from_instance('lesson', $this->lesson->id, $this->lesson->course);
$context = context_module::instance($cm->id);
// Trigger an event: page moved.
$eventparams = array(
'context' => $context,
'objectid' => $this->properties->id,
'other' => array(
'pagetype' => $this->get_typestring(),
'prevpageid' => $prevpageid,
'nextpageid' => $nextpageid
)
);
$event = \mod_lesson\event\page_moved::create($eventparams);
$event->trigger();
}
/**