/**
* The "booting" method of the model.
*
* We'll use this method to register event listeners on a Node instance as
* suggested in the beta documentation...
*
* TODO:
*
* - Find a way to avoid needing to declare the called methods "public"
* as registering the event listeners *inside* this methods does not give
* us an object context.
*
* Events:
*
* 1. "creating": Before creating a new Node we'll assign a default value
* for the left and right indexes.
*
* 2. "saving": Before saving, we'll perform a check to see if we have to
* move to another parent.
*
* 3. "saved": Move to the new parent after saving if needed and re-set
* depth.
*
* 4. "deleting": Before delete we should prune all children and update
* the left and right indexes for the remaining nodes.
*
* 5. (optional) "restoring": Before a soft-delete node restore operation,
* shift its siblings.
*
* 6. (optional) "restore": After having restored a soft-deleted node,
* restore all of its descendants.
*
* @return void
*/
protected static function boot()
{
parent::boot();
static::creating(function ($node) {
$node->setDefaultLeftAndRight();
});
static::saving(function ($node) {
$node->storeNewParent();
});
static::saved(function ($node) {
$node->moveToNewParent();
$node->setDepth();
});
static::deleting(function ($node) {
$node->destroyDescendants();
});
if (static::softDeletesEnabled()) {
static::restoring(function ($node) {
$node->shiftSiblingsForRestore();
});
static::restored(function ($node) {
$node->restoreDescendants();
});
}
}
/**
* The "booting" method of the model.
*
* We'll use this method to register event listeners on a Node instance as
* suggested in the beta documentation...
*
* TODO:
*
* - Find a way to avoid needing to declare the called methods "public"
* as registering the event listeners *inside* this methods does not give
* us an object context.
*
* Events:
*
* 1. "creating": Before creating a new Node we'll assign a default value
* for the left and right indexes.
*
* 2. "saving": Before saving, we'll perform a check to see if we have to
* move to another parent.
*
* 3. "saved": Move to the new parent after saving if needed and re-set
* depth.
*
* 4. "deleting": Before delete we should prune all children and update
* the left and right indexes for the remaining nodes.
*
* 5. (optional) "restoring": Before a soft-delete node restore operation,
* shift its siblings.
*
* 6. (optional) "restore": After having restored a soft-deleted node,
* restore all of its descendants.
*
* @return void
*/
protected static function boot()
{
parent::boot();
static::flushModelEvents();
}
