public

Modifies the behavior of the taxonomy box, forbids user from selecting terms that don't belong to taxonomy.

  • Download Gist
no-new-terms-taxonomy-meta-box.php
PHP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92
<?php
/*
Plugin Name: No new terms taxonomy meta box
Plugin URI: https://gist.github.com/1074801
Description: Modifies the behavior of the taxonomy box, forbids user from selecting terms that don't belong to taxonomy.
Author: Hameedullah Khan
Author URI: http://hameedullah.com
Version: 0.1
License: Do what ever you like, but don't publish it under your name without improving it.
*/
 
/*
* For more information: http://wordpress.stackexchange.com/questions/20921/
*/
 
// currently works only with single taxonomy which should be defined here
// default is the built-in post_tag
define('CTM_TAXONOMY_NAME', 'post_tag');
 
function ctm_custom_tax_js() {
 
// taxonomy name not defined or set to empty value
if ( !defined('CTM_TAXONOMY_NAME') || !CTM_TAXONOMY_NAME ) {
return;
}
?>
<script type="text/javascript">
 
 
function ctm_custom_termadd_handler(event){
var tax = '<?php echo CTM_TAXONOMY_NAME; ?>';
var input = jQuery('#tagsdiv-<?php echo CTM_TAXONOMY_NAME; ?> input.newtag');
 
var q = input.val().split(',');
 
// if there are more then two values, just add the first one
// NOTE: because this solution does not support inserting multiple terms
if (q.length > 1) {
q = jQuery.trim(q[0]);
 
// as we don't support multiple terms
// set the value of input box to the first term
input.val(q);
}
 
jQuery.get( ajaxurl + '?action=ajax-tag-search&tax=' + tax + '&q=' + q, function(results) {
var tokens = results.split('\n');
for (var i=0; i < tokens.length; i++) {
token = jQuery.trim(tokens[i]);
if ( token && token == q ) {
(function($){
tagBox.flushTags( $('#tagsdiv-<?php echo CTM_TAXONOMY_NAME; ?>') );
})(jQuery);
 
return true;
}
}
 
} );
event.stopImmediatePropagation();
return false;
}
 
function ctm_custom_key_handler(event) {
if (13 == event.which) {
ctm_custom_termadd_handler(event);
return false;
}
return true;
}
 
jQuery(document).ready(function() {
// unbiind the click event from the taxonomy box
jQuery('#tagsdiv-<?php echo CTM_TAXONOMY_NAME; ?> input.tagadd').unbind('click');
jQuery('#tagsdiv-<?php echo CTM_TAXONOMY_NAME; ?> input.newtag').unbind('keyup');
 
// hide the howto text for inserting multiple terms
// NOTE: because this solution does not support inserting multiple terms
jQuery('#tagsdiv-<?php echo CTM_TAXONOMY_NAME; ?> p.howto').hide();
 
// bind our custom handler
jQuery('#tagsdiv-<?php echo CTM_TAXONOMY_NAME; ?> input.tagadd').click(ctm_custom_termadd_handler);
jQuery('#tagsdiv-<?php echo CTM_TAXONOMY_NAME; ?> input.newtag').keyup(ctm_custom_key_handler);
});
 
</script>
 
<?php
}
add_action('admin_footer-post-new.php', 'ctm_custom_tax_js');
add_action('admin_footer-post.php', 'ctm_custom_tax_js');
?>

Please sign in to comment on this gist.

Something went wrong with that request. Please try again.