Reference PID of Current Object

[adam....@rochester.edu]

Hi All,

This will probably sound like a silly question, but what is the best way to get the PID of the current object?  We're using Open Seadragon, so the PID does not appear in the URL of the page.  Ideally, I'm looking for a solution where I can write a block that gets the current PID, then uses that to pull display associated metadata from a MODS datastream.

Of course, I'm open to suggestions if I'm going about this the wrong way.

Thanks in advance!

Adam Traub

[Jared Whiklo]

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Hi,

Most of the time I see the use of menu_get_object[1]. Like here[2] in
the compound solution pack blocks. That is probably the easiest.

cheers,
jared

[1]
https://api.drupal.org/api/drupal/includes%21menu.inc/function/menu_get_
object/7
[2]
https://github.com/Islandora/islandora_solution_pack_compound/blob/fb1a5
16ebf2f1c6d87a7670a5134372f478dd2d9/includes/blocks.inc#L16

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[adam....@rochester.edu]

Jared,

Thanks!  That worked for when the URL reflects the PID and is much cleaner than my previous approach.  

However, when using OpenSeadragon, it tacks on a URL param instead of the actual PID.  So, to give some more details let's say I'm working with the chucknorris namespace:

chucknorris:1 is the PID of the volume

When paging through the content - let's say to from page 3 to page 4 - the URL changes to:

chucknorris:1?islandora_paged_content_page=4

While there's definitely an aspect of the entire page not reloading, even when I force a full page reload the value returned is still:  chucknorris:1

What am I missing?

Thanks again!

Adam

[Jared Whiklo]

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So it sounds like javascript and an AJAX call. I don't have alot of
experience with OpenSeadragon in this context, but I would look around
their javascript and see if you can't figure out when it returns the
new pages. Might have the information you are looking for.

cheers,
jared

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[Nelson Hart]

something like so?

$object = islandora_object_load('pid from url');

$pages = islandora_paged_content_get_pages($object);

pull out the current page from $pages array using this URL param islandora_paged_content_page?

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[Jared Whiklo]

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Perfect, there you go Adam.

Thanks Nelson.

cheers,
jared

On 2016-02-04 5:09 PM, Nelson Hart wrote:
> something like so?
>
> $object = islandora_object_load('pid from url'); $pages =
> islandora_paged_content_get_pages($object);
>
> pull out the current page from $pages array using this URL param
> islandora_paged_content_page?
>
>
>
> On Thu, Feb 4, 2016 at 7:00 PM, Jared Whiklo <jwh...@gmail.com
> <mailto:jwh...@gmail.com>> wrote:
>
> So it sounds like javascript and an AJAX call. I don't have alot
> of experience with OpenSeadragon in this context, but I would look
> around their javascript and see if you can't figure out when it
> returns the new pages. Might have the information you are looking
> for.
>
> cheers, jared
>
> On 2016-02-04 3:12 PM, adam....@rochester.edu

> <mailto:adam....@rochester.edu> wrote:
>> Jared,
>
>> Thanks! That worked for when the URL reflects the PID and is
>> much cleaner than my previous approach.
>
>> However, when using OpenSeadragon, it tacks on a URL param
>> instead of the actual PID. So, to give some more details let's
>> say I'm working with the chucknorris namespace:
>
>> chucknorris:1 is the PID of the volume
>
>> When paging through the content - let's say to from page 3 to
>> page 4 - the URL changes to:
>
>> chucknorris:1?islandora_paged_content_page=4
>
>> While there's definitely an aspect of the entire page not
>> reloading, even when I force a full page reload the value
>> returned is still: chucknorris:1
>
>> What am I missing?
>
>> Thanks again! Adam
>
>
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[adam....@rochester.edu]

Right on - thank you, both!

I'll give it a shot and see what I come up with.

Cheers,

Adam