src/sap.m/src/sap/m/GrowingEnablement.js
function(aContexts, oModel) {
			if (!aContexts.length) {
				return;
			}

			var aItems = this._oControl.getItems(true);
			for (var i = 0, c = 0, oItem; i < aItems.length; i++) {
				oItem = aItems[i];

				// group headers are not in binding context
				if (!oItem.isGroupHeader()) {
					oItem.setBindingContext(aContexts[c++], oModel);
				}
			}
		}
function(aContexts, oModel) {
			if (!aContexts.length) {
				return;
			}

			var aItems = this._oControl.getItems(true);
			for (var i = 0, c = 0, oItem; i < aItems.length; i++) {
				oItem = aItems[i];

				// group headers are not in binding context
				if (!oItem.isGroupHeader()) {
					oItem.setBindingContext(aContexts[c++], oModel);
				}
			}
		}
function ( aContexts , oModel ) { if ( ! aContexts . length ) { return ; } var aItems = this . _oControl . getItems ( true ) ; for ( var i = 0 , c = 0 , oItem ; i < aItems . length ; i ++ ) { oItem = aItems [ i ] ; // group headers are not in binding context if ( ! oItem . isGroupHeader ( ) ) { oItem . setBindingContext ( aContexts [ c ++ ] , oModel ) ; } } }
update context on all items except group headers
update context on all items except group headers