/// <summary>
/// Renders the specified <paramref name="blockProperties"/> to the output pipe.
/// </summary>
/// <param name="context">The <see cref="IMansionContext"/>.</param>
/// <param name="blockProperties">The <see cref="IPropertyBag"/> of the block which to render.</param>
/// <param name="targetField">The name of the field to which to render.</param>
protected override void DoRender(IMansionContext context, IPropertyBag blockProperties, string targetField)
{
// first retrieve the block node to display
Guid displayedBlockGuid;
if (!blockProperties.TryGet(context, "blockGuid", out displayedBlockGuid))
throw new InvalidOperationException("Block guid not found for shared block display");
var displayedBlockNode = context.Repository.RetrieveSingleNode(context, new PropertyBag
{
{"guid", displayedBlockGuid}
});
if (displayedBlockNode == null)
throw new InvalidOperationException(string.Format("Could not find block with guid '{0}'", displayedBlockGuid));
// second, merge the two block properties together
var mergedBlockProperties = new PropertyBag();
mergedBlockProperties.Merge(blockProperties);
mergedBlockProperties.Merge(displayedBlockNode);
mergedBlockProperties.Set("id", blockProperties.Get<int>(context, "id"));
// finally re-render the combined block using the portal service
PortalService.RenderBlock(context, mergedBlockProperties, targetField);
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <param name="queryBuilder"></param>
/// <param name="record"> </param>
/// <param name="modifiedProperties"></param>
protected override void DoToUpdateStatement(IMansionContext context, ModificationQueryBuilder queryBuilder, Record record, IPropertyBag modifiedProperties)
{
// assemble the extended properties
var extendedProperties = new PropertyBag(record);
extendedProperties.Merge(modifiedProperties);
// remove all properties starting with an underscore
var unstoredPropertyNames = extendedProperties.Names.Where(candidate => candidate.StartsWith("_")).ToList();
foreach (var propertyName in unstoredPropertyNames)
extendedProperties.Remove(propertyName);
// get the conversion service
var conversionService = context.Nucleus.ResolveSingle<IConversionService>();
// set the column value
queryBuilder.AddColumnValue("extendedProperties", conversionService.Convert<byte[]>(context, extendedProperties), DbType.Binary);
}
/// <summary>
/// Loads the <see cref="FormState"/> of a particular <paramref name="form"/> from the <paramref name="context"/>.
/// </summary>
/// <param name="context">The <see cref="IMansionWebContext"/>.</param>
/// <param name="form">The <see cref="Form"/> for which to load the state.</param>
/// <returns>Returns the loaded <see cref="FormState"/>.</returns>
protected override FormState DoLoadState(IMansionWebContext context, Form form)
{
// get the GET and POST propertybags
var getProperties = context.Stack.Peek<IPropertyBag>("Get");
var postProperties = context.Stack.Peek<IPropertyBag>("Post");
var fieldProperties = new PropertyBag();
var formProperties = new PropertyBag();
var action = string.Empty;
// if the form has more than one step, try to load the state
var stateLossDetected = false;
if (form.Steps.Count > 1)
{
// try to load the state
string stateString;
var stateKey = form.Prefix + "state";
if (!postProperties.TryGet(context, stateKey, out stateString) || string.IsNullOrEmpty(stateString))
stateString = getProperties.Get<string>(context, stateKey, null);
// dehydrate the field properties, if there is state
if (!string.IsNullOrEmpty(stateString))
{
// dehydrate the field properties
var dehydratedFieldProperties = context.Nucleus.ResolveSingle<IConversionService>().Convert<IPropertyBag>(context, stateString);
// merge them with the current properties
fieldProperties.Merge(dehydratedFieldProperties);
}
else
stateLossDetected = true;
}
// load the properties from the data source
foreach (var candidate in postProperties.Where(candidate => candidate.Key.StartsWith(form.Prefix, StringComparison.OrdinalIgnoreCase)))
{
// check for field property
if (candidate.Key.StartsWith(form.FieldPrefix, StringComparison.OrdinalIgnoreCase))
fieldProperties.Add(candidate.Key.Substring(form.FieldPrefix.Length), candidate.Value);
// check for action property
else if (candidate.Key.StartsWith(form.ActionPrefix, StringComparison.OrdinalIgnoreCase))
action = candidate.Value.ToString();
else
formProperties.Add(candidate.Key.Substring(form.Prefix.Length), candidate.Value);
}
// determine the current step
var currentStepId = formProperties.Get(context, "current-step", getProperties.Get(context, form.Prefix + "current-step", 0));
var currentStep = form.Steps.ElementAtOrDefault(currentStepId) ?? form.Steps.First();
// always go to the first step on multi step forms when the state has been lost
if (form.Steps.Count > 1 && stateLossDetected)
currentStep = form.Steps.First();
// determine the next set
var nextStep = form.Steps.ElementAtOrDefault(currentStepId + 1) ?? form.Steps.Last();
// create the state
return new FormState {
FieldProperties = fieldProperties,
FormInstanceProperties = formProperties,
DataSource = dataSource,
CurrentAction = action,
IsPostback = !string.IsNullOrEmpty(action) || formProperties.Count > 0,
CurrentStep = currentStep,
NextStep = nextStep
};
}
