[annotator-dev] Custom Storage Plugin

Fri Jul 31 15:22:53 UTC 2015

Do you get data back from your server? What's it look like?

On Fri, Jul 31, 2015, 07:04 Jamie McGowan <jamietyc at gmail.com> wrote:

> Hi,
>
> I am writing my own storage backend in PHP and also a JavaScript plugin to
> send/retrieve the data to the server. I don't want to use the default store
> plugin.
>
> I have subscribed to the "beforeAnnotationCreated" event. When it is
> fired, I attach the url to the annotation. I have also subscribed to the
> "annotationCreated" event. When it is fired, I attempt to send to
> annotation to the server via Ajax. However I get the following error:
> *Uncaught Error: Error while finding start node: undefined: TypeError:
> Cannot read property 'substring' of undefined.*
>
> It seems to me that the annotation object is no longer available. I have
> attached the code below (hopefully the format doesn't get messed up).
> I appreciate any help!
> Jamie
>
>
>
> Annotator.Plugin.Storage= function(element) {
>         return {
>             pluginInit: function() {
>                 this.annotator
>                     .subscribe("beforeAnnotationCreated",
> function(annotation) {
>                     annotation.url = document.location.href;
>                     })
>                     .subscribe("annotationCreated", function(annotation) {
>                     console.log("Created: %o", annotation); //This works
> as expected
>
>                     jQuery.post("./annotator/create.php", annotation,
> function(data) {
>                     annotation.id = data.id;
>                     annotation.username = data.username;
>                     annotation.timecreated = data.timecreated;
>                     }); //This doesn't work
>                     })
>             }
>         }
>     };
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