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arrow key navigation through images

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allows visitors to use left-right keyboard keys to navigate to different images using post/next/(id) and post/prev/(id)
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DrudexSoftware 2013-02-23 08:00:59 +01:00
parent b88f7a4d6b
commit dfd7157cd2
1 changed files with 35 additions and 0 deletions
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<?php
/**
* Name: Arrow Key Navigation
* Author: Drudex Software <support@drudexsoftware.com>
* Link: http://drudexsoftware.com
* License: GPLv2
* Description: Allows viewers no navigate between images using the left & right arrow keys.
* Documentation:
* Simply enable this extention in the extention manager to enable arrow key navigation.
*/
class arrowkey_navigation extends Extension {
public function onDisplayingImage(DisplayingImageEvent $event) {
global $page;
$prev_url = "http://".$_SERVER['HTTP_HOST']."/post/prev/".$event->image->id;
$next_url = "http://".$_SERVER['HTTP_HOST']."/post/next/".$event->image->id;
$page->add_html_header("<script type=\"text/javascript\">
document.onkeyup=checkKeycode;
function checkKeycode(e)
{
var keycode;
if(window.event) keycode=window.event.keyCode;
else if(e) keycode=e.which;
if (e.srcElement.tagName != \"INPUT\")
{
if(keycode==\"37\") window.location.href='$prev_url';
else if(keycode==\"39\") window.location.href='$next_url';
}
}
</script>");
}
}
?>