private void RegisterSmartPageInitializationScript()
{
var htmlForm = _page.Form;
if (htmlForm == null)
{
throw new InvalidOperationException("SmartPage requires an HtmlForm control on the page.");
}
string abortMessage = GetAbortMessage();
string statusIsSubmittingMessage = GetStatusIsSubmittingMessage();
string checkFormStateFunction = "null";
if (!string.IsNullOrEmpty(_checkFormStateFunction))
{
checkFormStateFunction = "'" + _checkFormStateFunction + "'";
}
string smartScrollingFieldID = "null";
string smartFocusFieldID = "null";
ISmartNavigablePage smartNavigablePage = _page as ISmartNavigablePage;
if (smartNavigablePage != null)
{
if (smartNavigablePage.IsSmartScrollingEnabled)
{
smartScrollingFieldID = "'" + c_smartScrollingID + "'";
}
if (smartNavigablePage.IsSmartFocusingEnabled)
{
smartFocusFieldID = "'" + c_smartFocusID + "'";
}
}
string isDirtyStateTrackingEnabled = "false";
string isDirty = "false";
StringBuilder initScript = new StringBuilder(500);
initScript.AppendLine("function SmartPage_Initialize ()");
initScript.AppendLine("{");
const string eventHandlersArray = "eventHandlers";
initScript.Append(" var ").Append(eventHandlersArray).AppendLine(" = new Array();");
FormatPopulateEventHandlersArrayClientScript(initScript, eventHandlersArray);
initScript.AppendLine();
const string trackedControlsArray = "trackedControls";
initScript.Append(" var ").Append(trackedControlsArray).AppendLine(" = new Array();");
if (_page.IsDirtyStateTrackingEnabled)
{
isDirtyStateTrackingEnabled = "true";
if (_page.EvaluateDirtyState())
{
isDirty = "true";
}
else
{
FormatPopulateTrackedControlsArrayClientScript(initScript, trackedControlsArray);
}
}
initScript.AppendLine();
const string synchronousPostBackCommandsArray = "synchronousPostBackCommands";
initScript.Append(" var ").Append(synchronousPostBackCommandsArray).AppendLine(" = new Array();");
FormatPopulateSynchronousPostBackCommandsArrayClientScript(initScript, synchronousPostBackCommandsArray);
initScript.AppendLine();
initScript.AppendLine(" if (SmartPage_Context.Instance == null)");
initScript.AppendLine(" {");
initScript.AppendLine();
initScript.AppendLine(" SmartPage_Context.Instance = new SmartPage_Context (");
initScript.Append(" '").Append(htmlForm.ClientID).AppendLine("',");
initScript.Append(" ").Append(isDirtyStateTrackingEnabled).AppendLine(",");
initScript.Append(" ").Append(abortMessage).AppendLine(",");
initScript.Append(" ").Append(statusIsSubmittingMessage).AppendLine(",");
initScript.Append(" ").Append(smartScrollingFieldID).AppendLine(",");
initScript.Append(" ").Append(smartFocusFieldID).AppendLine(",");
initScript.Append(" ").Append(checkFormStateFunction).AppendLine(");");
initScript.AppendLine(" }");
initScript.AppendLine();
initScript.Append(" SmartPage_Context.Instance.set_EventHandlers (").Append(eventHandlersArray).AppendLine(");");
initScript.Append(" SmartPage_Context.Instance.set_TrackedIDs (").Append(trackedControlsArray).AppendLine(");");
initScript.Append(" SmartPage_Context.Instance.set_SynchronousPostBackCommands (").Append(synchronousPostBackCommandsArray).AppendLine(");");
initScript.AppendLine("}");
initScript.AppendLine();
initScript.AppendLine("SmartPage_Initialize ();");
initScript.AppendLine();
_page.ClientScript.RegisterClientScriptBlock(_page, typeof(SmartPageInfo), "smartPageInitialize", initScript.ToString());
string isAsynchronous = "false";
if (IsInAsyncPostBack)
{
isAsynchronous = "true";
}
_page.ClientScript.RegisterStartupScriptBlock(_page, typeof(SmartPageInfo), "smartPageStartUp", "SmartPage_OnStartUp (" + isAsynchronous + ", " + isDirty + ");");
// Ensure the __doPostBack function and the __EventTarget and __EventArgument hidden fields on the rendered page
_page.ClientScript.GetPostBackEventReference(new PostBackOptions(_page.WrappedInstance)
{
ClientSubmit = true
}, false);
}
