Maybe this helps?
http://stackoverflow.com/questions/9750326/intercept-cake2-postlink-form-posts-with-jquery
Am Samstag, 7. Februar 2015 17:34:38 UTC+1 schrieb MarkB:
>
> Hi,
>
> My first Cake project (and first major non-intranet web project!) is a
> fairly complex event management system for a month-long city-wide science
> festival my employer runs, involving about 120 events.
>
> I have added the ability to add (and remove) events to a wishlist from a
> *postLink*, which works well on the event view page, but is annoying for
> users when clicking the 'Add to wishlist' link in the events listings page,
> as the page refreshes and they may have to scroll down to continue browsing
> where they left off.
>
> I've been messing about with PHP for years, but have little Javascript
> experience and nothing AJAX-based. Time is getting tight, so I'm wondering
> if there is anyone who can help me achieve this? Thanks!
>
> This is the code I use in my view:
>
> if ($wishlisted == NULL){
> echo $this->Form->postLink('Add to wishlist', array('action' => 'wishadd'
> , $event['Event']['id']));
> } else {
> echo "On your wishlist " . $this->Form->postLink('Remove', array('action'
> => 'wishlistremove', $wishlisted));
> }
>
>
>
>
> This is my Controller code:
>
> public function wishadd($id) {
> if ($this->request->is('get')) {
> throw new MethodNotAllowedException();
> }
> $user_id = $this->Auth->user('id');
> if ($user_id == NULL) {
> $this->Session->setFlash('You must be logged in to add an event to a
> wishlist!');
> return $this->redirect(array('action' => 'view',$id));
> }
> $currentYear = $this->getSettings('year');
> $event = $this->Event->findById($id);
> $conditions = array('Wishlist.year' => $currentYear,'Wishlist.event_id'
> => $id,'Wishlist.user_id' => $this->Auth->user('id'));
> $wishlisted = $this->Event->Wishlist->find('count',array('conditions' =>
> $conditions));
> if ($wishlisted > 0) {
> $this->Session->setFlash('This event is already on your wishlist.');
> return $this->redirect($this->referer());
> }
> if ($this->request->is('post')) {
> $this->Event->Wishlist->create();
> $wishlist_id = $this->Event->Wishlist->getInsertID();
> $this->Event->Wishlist->saveField('year', $currentYear);
> $this->Event->Wishlist->saveField('event_id', $id);
> $this->Event->Wishlist->saveField('proposal_id',
> $event['Event']['proposal_id']);
> $this->Event->Wishlist->saveField('user_id', $user_id);
> $this->Session->setFlash('This event has been added to your wishlist.');
> return $this->redirect($this->referer());
> } else {
> $this->Session->setFlash('Unable to add to your wishlist. Please try
> again.');
> return $this->redirect($this->referer());
> }
> }
>
>
>
>
>
>
>
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