/// <summary>
/// Loads the builder with a saved query (obtained from <see cref="SaveToString()"/>)
/// </summary>
public void LoadFromSavedData(string data)
{
try
{
IsLoading = true;
var expressionGroup = JsonConvert.DeserializeObject <QueryExpressionGroupData>(data);
ExpressionStackPanel.Children.Clear();
InitializeRootExpressionGroup(false);
RootExpressionGroup.LoadFromData(expressionGroup);
}
finally
{
IsLoading = false;
}
}
/// <summary>
/// Returns a plain text description of the query filter.
/// </summary>
public string DescriptionText()
{
return(RootExpressionGroup.DescriptionText());
}
/// <summary>
/// Returns a serialized string representing the query as it currently is.
/// </summary>
public string SaveToString()
{
return(JsonConvert.SerializeObject(RootExpressionGroup.GetDataObject(), Formatting.Indented));
}
/// <summary>
/// Returns the text of the query for a given ExpressionType.
/// </summary>
public string GetStatement(ExpressionType type)
{
return((type == ExpressionType.Sql ? $"SELECT *\nFROM {TableName}\nWHERE\n" : "") + RootExpressionGroup.ExpressionText(type));
}
