New Media Upload for OptionTree

gistfile1.php

// Check for WP 3.5. wp object only available in WP 3.5
        if (typeof wp !== 'undefined') {
		OT_UI.init_upload = function() {
			var _custom_media = true,
			 	_orig_send_attachment = wp.media.editor.send.attachment;
			$('.ot_upload_media').live('click', function(event) {
				var field_id    = $(this).parent('.option-tree-ui-upload-parent').find('input').attr('id'),
		            post_id     = $(this).attr('rel'),
		            btnContent  = '';
				
				var send_attachment_bkp = wp.media.editor.send.attachment;

				_custom_media = true;
				wp.media.editor.send.attachment = function(props, attachment){
					if ( _custom_media ) {
						var href = attachment.url;
						var image = /\.(?:jpe?g|png|gif|ico)$/i;
						if (OT_UI.url_exists(href)) {
			            	if (href.match(image)) {
				            	btnContent += '<div class="option-tree-ui-image-wrap"><img src="'+href+'" alt="" /></div>';
				            }
				            btnContent += '<a href="javascript:(void);" class="option-tree-ui-remove-media option-tree-ui-button" title="'+option_tree.remove_media_text+'"><span class="icon trash-can">'+option_tree.remove_media_text+'</span></a>';
				        }
				        
				        $('#'+field_id).val(href);
				        $('#'+field_id+'_media').remove();
				        $('#'+field_id).parent().parent('div').append('<div class="option-tree-ui-media-wrap" id="'+field_id+'_media" />');
				        $('#'+field_id+'_media').append(btnContent).slideDown();
				        OT_UI.fix_upload_parent();
					} else {
						return _orig_send_attachment.apply( this, [props, attachment] );
					};
				}
				wp.media.editor.open($(this));
				return false;
			});
			$('a.add_media').on('click', function() {
				_custom_media = false;
			});
		};
	} // END check for WP 3.5