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I am using Wordpress Gallery shortcode and I was wondering if there is a way to navigate using the arrow keys? Like if I view an single image and used the right arrow to navigate to the next image in the gallery set. Any idea how to do this?

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You could use javascript. –  Cthulhu Oct 22 '12 at 15:05
    
I'm not a programmer so I would prefer if there's a plugin –  Ruriko Oct 22 '12 at 23:40
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Plugin recommendation is off-topic now... & there are plenty of Imagebox plugins in the Repository, surely one or more will have this feature. –  brasofilo Oct 26 '12 at 18:21
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1 Answer

up vote 2 down vote accepted

The Underscores (_s) starter theme comes with a keyboard navigation script for this. I haven't tested this myself though. But the JS file looks like this:

jQuery( document ).ready( function( $ ) {
    $( document ).keydown( function( e ) {
        var url = false;
        if ( e.which == 37 ) {  // Left arrow key code
            url = $( '.previous-image a' ).attr( 'href' );
        }
        else if ( e.which == 39 ) {  // Right arrow key code
            url = $( '.entry-attachment a' ).attr( 'href' );
        }
        if ( url && ( !$( 'textarea, input' ).is( ':focus' ) ) ) {
            window.location = url;
        }
    } );
} );

It also needs some modifications to your attachment theme file to make the links work correctly. My suggestion is that you download the _s theme and take a look in the image.php file.

Basically what you need on the attachment page is a link to the next/prev image inside an element with the class "previous-image" / "entry-attachment".

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