Merged in feature/from-pantheon (pull request #16)

code from pantheon

* code from pantheon

wp/wp-content/plugins/woocommerce/assets/js/admin/term-ordering.js

@@ -0,0 +1,148 @@
+/*global ajaxurl, woocommerce_term_ordering_params */
+
+/* Modifided script from the simple-page-ordering plugin */
+jQuery( function( $ ) {
+
+	var table_selector   = 'table.wp-list-table',
+		item_selector    = 'tbody tr:not(.inline-edit-row)',
+		term_id_selector = '.column-handle input[name="term_id"]',
+		column_handle    = '<td class="column-handle"></td>';
+
+	if ( 0 === $( table_selector ).find( '.column-handle' ).length ) {
+		$( table_selector ).find( 'tr:not(.inline-edit-row)' ).append( column_handle );
+
+		term_id_selector = '.check-column input';
+	}
+
+	// Stand-in wcTracks.recordEvent in case tracks is not available (for any reason).
+	window.wcTracks = window.wcTracks || {};
+	window.wcTracks.recordEvent = window.wcTracks.recordEvent  || function() { };
+
+	$( table_selector ).find( '.column-handle' ).show();
+
+	$.wc_add_missing_sort_handles = function() {
+		var all_table_rows = $( table_selector ).find('tbody > tr');
+		var rows_with_handle = $( table_selector ).find('tbody > tr > td.column-handle').parent();
+		if ( all_table_rows.length !== rows_with_handle.length ) {
+			all_table_rows.each(function(index, elem){
+				if ( ! rows_with_handle.is( elem ) ) {
+					$( elem ).append( column_handle );
+				}
+			});
+		}
+		$( table_selector ).find( '.column-handle' ).show();
+	};
+
+	$( document ).ajaxComplete( function( event, request, options ) {
+		if (
+			request &&
+			4 === request.readyState &&
+			200 === request.status &&
+			options.data &&
+			( 0 <= options.data.indexOf( '_inline_edit' ) || 0 <= options.data.indexOf( 'add-tag' ) )
+		) {
+			$.wc_add_missing_sort_handles();
+			$( document.body ).trigger( 'init_tooltips' );
+		}
+	} );
+
+	$( table_selector ).sortable({
+		items: item_selector,
+		cursor: 'move',
+		handle: '.column-handle',
+		axis: 'y',
+		forcePlaceholderSize: true,
+		helper: 'clone',
+		opacity: 0.65,
+		placeholder: 'product-cat-placeholder',
+		scrollSensitivity: 40,
+		start: function( event, ui ) {
+			if ( ! ui.item.hasClass( 'alternate' ) ) {
+				ui.item.css( 'background-color', '#ffffff' );
+			}
+			ui.item.children( 'td, th' ).css( 'border-bottom-width', '0' );
+			ui.item.css( 'outline', '1px solid #aaa' );
+		},
+		stop: function( event, ui ) {
+			ui.item.removeAttr( 'style' );
+			ui.item.children( 'td, th' ).css( 'border-bottom-width', '1px' );
+		},
+		update: function( event, ui ) {
+			var termid     = ui.item.find( term_id_selector ).val(); // this post id
+			var termparent = ui.item.find( '.parent' ).html();            // post parent
+
+			var prevtermid = ui.item.prev().find( term_id_selector ).val();
+			var nexttermid = ui.item.next().find( term_id_selector ).val();
+
+			// Can only sort in same tree
+			var prevtermparent, nexttermparent;
+			if ( prevtermid !== undefined ) {
+				prevtermparent = ui.item.prev().find( '.parent' ).html();
+				if ( prevtermparent !== termparent) {
+					prevtermid = undefined;
+				}
+			}
+
+			if ( nexttermid !== undefined ) {
+				nexttermparent = ui.item.next().find( '.parent' ).html();
+				if ( nexttermparent !== termparent) {
+					nexttermid = undefined;
+				}
+			}
+
+			// If previous and next not at same tree level, or next not at same tree level and
+			// the previous is the parent of the next, or just moved item beneath its own children.
+			if (
+				( prevtermid === undefined && nexttermid === undefined ) ||
+				( nexttermid === undefined && nexttermparent === prevtermid ) ||
+				( nexttermid !== undefined && prevtermparent === termid )
+			) {
+				$( table_selector ).sortable( 'cancel' );
+				return;
+			}
+
+			window.wcTracks.recordEvent( 'product_attributes_ordering_term', {
+				is_category:
+					woocommerce_term_ordering_params.taxonomy === 'product_cat'
+						? 'yes'
+						: 'no',
+			} );
+
+			// Show Spinner
+			ui.item.find( '.check-column input' ).hide();
+			ui.item
+				.find( '.check-column' )
+				.append( '<img alt="processing" src="images/wpspin_light.gif" class="waiting" style="margin-left: 6px;" />' );
+
+			// Go do the sorting stuff via ajax.
+			$.post(
+				ajaxurl,
+				{
+					action: 'woocommerce_term_ordering',
+					id: termid,
+					nextid: nexttermid,
+					thetaxonomy: woocommerce_term_ordering_params.taxonomy
+				},
+				function(response) {
+					if ( response === 'children' ) {
+						window.location.reload();
+					} else {
+						ui.item.find( '.check-column input' ).show();
+						ui.item.find( '.check-column' ).find( 'img' ).remove();
+					}
+				}
+			);
+
+			// Fix cell colors
+			$( 'table.widefat tbody tr' ).each( function() {
+				var i = jQuery( 'table.widefat tbody tr' ).index( this );
+				if ( i%2 === 0 ) {
+					jQuery( this ).addClass( 'alternate' );
+				} else {
+					jQuery( this ).removeClass( 'alternate' );
+				}
+			});
+		}
+	});
+
+});