Enable using knownUIDs and lastModification timestamp to avoid sending unchanged rows back to client

etemplate/inc/class.etemplate_widget_nextmatch.inc.php

@@ -385,6 +385,7 @@ class etemplate_widget_nextmatch extends etemplate_widget
 				$result['order'][] = $id;
 
 				// check if we need to send the data
+				//error_log("$id Known: " . (array_search($id, $knownUids) !== false ? 'Yes' : 'No') . ' Modified: ' . egw_time::to($row[$row_modified]) . ' > ' . egw_time::to($lastModified).'? ' . ($row[$row_modified] > $lastModified ? 'Yes' : 'No'));
 				if (!$row_id || !$knownUids || ($kUkey = array_search($id, $knownUids)) === false ||
 					!$lastModified || !isset($row[$row_modified]) || $row[$row_modified] > $lastModified)
 				{

etemplate/js/et2_dataview_controller.js

@@ -811,6 +811,8 @@ var et2_dataview_controller = Class.extend({
 	},
 
 	_fetchCallback: function (_response) {
+		this.self._lastModification = _response.lastModification;
+		
 		// Do nothing if _response.order evaluates to false
 		if (!_response.order)
 		{

etemplate/js/et2_extension_nextmatch_controller.js

@@ -109,9 +109,8 @@ var et2_nextmatch_controller = et2_dataview_controller.extend(et2_IDataProvider,
 	 * Updates the filter instance.
 	 */
 	setFilters: function (_filters) {
-		// Update the filters, reset the "lastModification"
+		// Update the filters
 		this._filters = _filters;
-		this._lastModification = null;
 	},
 
 	/**