MDL-38442 navigation: set_expansion_limit now only hides structural nodes

This commit is contained in:
Sam Hemelryk 2013-04-09 12:06:26 +12:00
parent 422f68fb86
commit 8718ffbac5

View File

@ -677,12 +677,18 @@ class navigation_node implements renderable {
* Hides the node and any children it has.
*
* @since 2.5
* @param array $typestohide Optional. An array of node types that should be hidden.
* If null all nodes will be hidden.
* If an array is given then nodes will only be hidden if their type mtatches an element in the array.
* e.g. array(navigation_node::TYPE_COURSE) would hide only course nodes.
*/
public function hide() {
$this->display = false;
if ($this->has_children()) {
foreach ($this->children as $child) {
$child->hide();
public function hide(array $typestohide = null) {
if ($typestohide === null || in_array($this->type, $typestohide)) {
$this->display = false;
if ($this->has_children()) {
foreach ($this->children as $child) {
$child->hide($typestohide);
}
}
}
}
@ -2558,18 +2564,24 @@ class global_navigation extends navigation_node {
public function set_expansion_limit($type) {
global $SITE;
$nodes = $this->find_all_of_type($type);
// We only want to hide specific types of nodes.
// Only nodes that represent "structure" in the navigation tree should be hidden.
// If we hide all nodes then we risk hiding vital information.
$typestohide = array(
self::TYPE_CATEGORY,
self::TYPE_COURSE,
self::TYPE_SECTION,
self::TYPE_ACTIVITY
);
foreach ($nodes as $node) {
// We need to generate the full site node
if ($type == self::TYPE_COURSE && $node->key == $SITE->id) {
continue;
}
foreach ($node->children as $child) {
// We still want to show course reports and participants containers
// or there will be navigation missing.
if ($type == self::TYPE_COURSE && $child->type === self::TYPE_CONTAINER) {
continue;
}
$child->hide();
$child->hide($typestohide);
}
}
return true;