/// <summary>
/// This method returns the results from a datasource.
/// This should take into consideration the <paramref name="linesPerPage"/> and <paramref name="currentPage"/>.
/// </summary>
/// <param name="data">Data passed to the view from any previous activities.</param>
/// <param name="currentPage">The current page to display items for.</param>
/// <param name="linesPerPage">The number of lines that can be displayed per page.</param>
/// <param name="filter">A value provided by the user in an attempt the filter the results.</param>
/// <returns></returns>
public override IEnumerable GetData(GetDataSettings settings)
{
PerformAdditionalProcessingOnDataRetrieval(settings.ViewData, false);
var results = ItemProcessor.RetrieveItemsWithFilter(settings, RetrieveAdditionalParametersForDataQuery(settings.ViewData));
return(MapResultsToCustomData(results));
}
public override IEnumerable GetData(GetDataSettings settings)
{
return(GetDetailItems().Select(x => new
{
val = x
}).ToList());
}
protected string GetParameter(string parameterName, string alternateName, GetDataSettings settings, bool allowNull = true)
{
var item = GetParameter(parameterName, settings, true);
if (String.IsNullOrWhiteSpace(item))
{
item = GetParameter(alternateName, settings, allowNull);
}
return(item);
}
protected string GetParameter(string parameterName, GetDataSettings settings, bool allowNull = true)
{
var data = settings.ViewData;
var json = JsonHelper.Parse(data);
var tmpData = json.GetValue("data");
var result = String.Empty;
if (!String.IsNullOrWhiteSpace(tmpData))
{
var x = JsonHelper.Parse(tmpData);
result = x.GetValue(parameterName);
//if (String.IsNullOrWhiteSpace(result))
//{
// var parameters = json.GetValue("parameters");
// if (!String.IsNullOrWhiteSpace(parameters))
// {
// var paramJson = JsonHelper.Parse(parameters);
// result = paramJson.GetValue(parameterName);
// }
// else if (!String.IsNullOrWhiteSpace(data))
// {
// result = tmpData;
// }
// //result = tmpData;
//}
}
else
{
var eventParams = json.GetValue("eventParameters");
if (!String.IsNullOrWhiteSpace(eventParams))
{
var x = JsonHelper.Parse(eventParams);
result = x.GetValue(parameterName);
}
//else if (!String.IsNullOrWhiteSpace(data))
//{
// result = data;
//}
}
if (String.IsNullOrWhiteSpace(result))
{
var parameters = json.GetValue("parameters");
if (!String.IsNullOrWhiteSpace(parameters))
{
var paramJson = JsonHelper.Parse(parameters);
result = paramJson.GetValue(parameterName);
}
else if (!String.IsNullOrWhiteSpace(tmpData))
{
result = tmpData;
}
else
{
// this is not right i don't think, if the data is just 1 value then the calling code should check for it i think.
//result = data; // I don't think this is working
// If I expect to have "ClientId" for example, and i open a edit screen and come back,
// it does not parse the client id correctly
}
//result = tmpData;
}
if (!allowNull && String.IsNullOrWhiteSpace(result))
{
throw new Exception("Parameter " + parameterName + " should not be null");
}
return(result);
}
/// <summary> /// Retrieves the total number of records in the data set. /// This is used to calculate the number of pages that will be available in the view. /// </summary> /// <param name="data"></param> /// <returns></returns> public abstract int GetDataCount(GetDataSettings settings);
/// <summary>
/// Name of database table from which to retrieve the columns.
/// </summary>
//public abstract string TableName { get; }
/// <summary>
/// The DB query to retrieve the data for the columns.
/// </summary>
//public abstract string DbQuery { get; }
/// <summary>
/// This method is called to obtain all the information
/// </summary>
/// <param name="data">This is data passed from the web request.</param>
/// <param name="currentPage">This is the current page to retrieve data for.</param>
/// <param name="linesPerPage">This is the number of lines per page to retrieve.</param>
/// <returns></returns>
public abstract IEnumerable GetData(GetDataSettings settings);
public override int GetDataCount(GetDataSettings settings)
{
return(0); // don't think it matters
}
/// <summary>
/// This method should return the number of items
/// </summary>
/// <param name="data">Data passed to the view from any previous activities.</param>
/// <param name="filter">A value provided by the user in an attempt the filter the results.</param>
/// <returns></returns>
public override int GetDataCount(GetDataSettings settings)
{
PerformAdditionalProcessingOnDataRetrieval(settings.ViewData, true);
return(ItemProcessor.RetrieveItemCountWithFilter(settings.Filter, RetrieveAdditionalParametersForDataQuery(settings.ViewData)));
}