/// <summary>
/// Checks a control with an int value for an answer.
/// </summary>
/// <param name="control">The control to check.</param>
/// <param name="questionsAreMandatory">Whether questions are mandatory or not.</param>
public static bool CheckForAnswer(ISurveyControl <int> control, bool questionsAreMandatory)
{
if (control.GetValue() == -1 && questionsAreMandatory)
{
control.MessageManager.ErrorMessage = "Please select a value for the following question.";
return(false);
}
return(true);
}
/// <summary>
/// Saves the value of a control into the session.
/// </summary>
/// <param name="control">The control to save the value of session.</param>
public static void SaveValue <T>(ISurveyControl <T> control)
{
if (control is SurveyCheckBox)
{
SaveValue(control as SurveyCheckBox);
}
else
{
SessionWrapper.Add(control.SessionKey, new SurveySessionControl <T>(control.GetValue()));
}
}
/// <summary>
/// Gets a value from a control or from the session depending on the value of the getCurrentValue parameter.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="control"></param>
/// <param name="getCurrentValue"></param>
/// <param name="defaultValue"></param>
/// <returns></returns>
public static T GetValue <T>(ISurveyControl <T> control, bool getCurrentValue, T defaultValue)
{
if (getCurrentValue)
{
return(control.GetValue());
}
else
{
var sval = SessionWrapper.Get <SurveySessionControl <T> >(control.SessionKey);
if (sval != null)
{
return(sval.Value);
}
else
{
return(defaultValue);
}
}
}
/// <summary>
/// Checks a control with a string value for an answer.
/// </summary>
/// <param name="control">The control to check.</param>
/// <param name="questionsAreMandatory">Whether questions are mandatory or not.</param>
public static bool CheckForAnswer(ISurveyControl <string> control, bool questionsAreMandatory)
{
if ((String.IsNullOrEmpty(control.GetValue()) ||
control.GetValue().Trim().Length == 0) &&
questionsAreMandatory)
{
control.MessageManager.ErrorMessage = "Please enter a value for the following question.";
return(false);
}
SurveyTextBox stb = control as SurveyTextBox;
if (stb != null)
{
if (stb.MaxLength > 0 &&
stb.GetValue().Length > stb.MaxLength)
{
stb.MessageManager.ErrorMessage = String.Format("The following answer cannot be longer than {0} character(s). You have entered {1} character(s).", stb.MaxLength, stb.GetValue().Length);
return(false);
}
}
return(true);
}
private void WipeSurveyControls(ControlCollection controls)
{
foreach (Control ctl in controls)
{
//Wipe this control
if (ctl is ISurveyControl <string> )
{
ISurveyControl <string> sc = ctl as ISurveyControl <string>;
if (sc != null)
{
SessionWrapper.Remove(sc.SessionKey);
}
}
if (ctl is ISurveyControl <int> )
{
ISurveyControl <int> sc = ctl as ISurveyControl <int>;
if (sc != null)
{
SessionWrapper.Remove(sc.SessionKey);
}
}
if (ctl is ISurveyControl <bool> )
{
ISurveyControl <bool> sc = ctl as ISurveyControl <bool>;
if (sc != null)
{
SessionWrapper.Remove(sc.SessionKey);
}
}
//Recursively check child controls
if (ctl.Controls != null && ctl.Controls.Count > 0)
{
WipeSurveyControls(ctl.Controls);
}
}
}
protected bool CheckForAnswer(ISurveyControl <string> control)
{
return(SurveyTools.CheckForAnswer(control, QuestionsAreMandatory));
}
protected void SaveValue <T>(ISurveyControl <T> control)
{
SurveyTools.SaveValue(control);
}
protected T GetValue <T>(ISurveyControl <T> control, bool getCurrentValue, T defaultValue)
{
return(SurveyTools.GetValue(control, getCurrentValue, defaultValue));
}
