public void AjaxRefresh(Control c, int rowIndex, string animationName, string listOperation, bool isTableRecord, object dataItem, StoreViewStateDelegate storeViewStateDelegate, string clientIdOverride) { // don't do nothing if not in a partial request or if the control is not accessible (e.g.: refreshing widgets inside table records from outside) if (!IsAjaxRequest || c == null) { return; } // mark that we are refreshing a widget, so that possible queued javascripts happening in the databind are queued // to be sent immediately after the control json (for web block preparations or user defined functions execution) _isRefreshingWidget = true; try { LocalState stackBackup = null; #if JAVA HashSet <IAbstractTopLevelComponentWithMandatory> previousVisibleComponentsWithValidation = null, newVisibleComponentsWithValidation = null; #endif if (c is OSUserControl) { OSUserControl blk = (OSUserControl)c; stackBackup = ((IWebScreen)blk.Page).PushStack(); } else { stackBackup = ((IWebScreen)c.Page).PushStack(); } if (listOperation == "") { #if JAVA previousVisibleComponentsWithValidation = GetVisibleComponentsWithValidation(c); #endif // databind the control c.DataBind(); #if JAVA newVisibleComponentsWithValidation = GetVisibleComponentsWithValidation(c); #endif } else { // some list operation if (!isTableRecord) { // list records require the prerender phase before list append, insert and remove operations, since prerender creates the current child controls hierarchy MethodInfo preRenderRecursiveInternal = typeof(Page).GetMethod("PreRenderRecursiveInternal", BindingFlags.NonPublic | BindingFlags.Instance); preRenderRecursiveInternal.Invoke(c, null); } IListRefresh listWidget = (IListRefresh)c; // execute the list refresh databind to restore LineCount and StartIndex runtime properties in the table / list record listWidget.DoListRefreshDataBind(); // execute the operation in the list switch (listOperation) { case "Append": listWidget.AppendItem(dataItem); break; case "Insert": listWidget.InsertItem(rowIndex, dataItem); break; case "Remove": listWidget.RemoveItem(rowIndex); break; case "Refresh": listWidget.RefreshItem(rowIndex); break; default: System.Diagnostics.Debug.Assert(false, "unknown list operation: " + listOperation); break; } } // call store viewstate in the calling page / block storeViewStateDelegate(); if (stackBackup != null) { Debugger.Pop(stackBackup, true); } // save partial viewstate and get modified buckets Hashtable modifiedBuckets = PartialSaveAllState(); OSJSONResponse resp = CreateJSONResponse(); // build JSON response with the control rendering and modified buckets foreach (string bucketName in modifiedBuckets.Keys) { resp.AddToHidden(bucketName, modifiedBuckets[bucketName].ToString()); } string html = ""; if (listOperation == "") { // regular ajax refresh // render control and add it to outers resp.AddToOuter(c.ClientID, RenderControl(c)); #if JAVA ProcessComponentsWithValidationTurnedInvisible(previousVisibleComponentsWithValidation, newVisibleComponentsWithValidation); #endif } else { // implicit ajax refresh via ListAppend, ListInsert or ListRemove if (listOperation == "Append") { html = RenderAjaxListOperationRow(c); } else if (listOperation == "Insert") { #if JAVA html = RenderAjaxListOperationRow(c, rowIndex); #else html = RenderAjaxListOperationRow(c); #endif } else if (listOperation == "Remove") { // need to render the empty message? if (((IListRefresh)c).IsEmpty) { html = RenderAjaxListOperationRow(c, true); } } else if (listOperation == "Refresh") { // row refresh operation html = RenderAjaxListOperationRow(c, rowIndex); } string oddLineStyle = ""; string evenLineStyle = ""; bool useBullets = false; if (c is OSDataGrid) { // get table record information to be sent to the client js OSDataGrid dg = (OSDataGrid)c; oddLineStyle = dg.OddLineStyle ?? oddLineStyle; evenLineStyle = dg.EvenLineStyle ?? evenLineStyle; } else { // get list record information to be sent to the client js Iterator it = (Iterator)c; useBullets = it.UseBullets; } resp.AddToList(clientIdOverride ?? c.ClientID, html, listOperation, rowIndex, isTableRecord, oddLineStyle, evenLineStyle, useBullets); } // Add call to animation registration if (animationName != null && animationName != "None") { if (listOperation == "Remove" && animationName == "Highlight") { animationName = "ListRemoveHighlight"; } resp.AddToJs("OsRegisterEffect" + animationName.Replace(" ", "") + "();"); } // write and flush the response WriteJavascriptResponse(FormatJSONResponseString(resp), /*flush*/ true); // send all the queued javascript gathered in this refresh if (_javascriptQueueResponse.Js.Count > 0) { resp = CreateJSONResponse(); resp.AddToJs("outsystems.internal.$(document).ready(function() {" + FormatJSONResponseString(_javascriptQueueResponse) + "});"); // clear it for next executions _javascriptQueueResponse.ClearJs(); // write the response WriteJavascriptResponse(FormatJSONResponseString(resp), /*flush*/ true); } // cleanup JavaScript includes so the next refresh will not re-include it BlocksJavaScript.CleanupAlreadyIncludedBlocksWithJavaScript(); } finally { // we're no longer refreshing a widget _isRefreshingWidget = false; } }