// will run a checkup for modifications on the controls in the current page
public static Task SendPropertyUpdateFromServer(FSWManager manager, CoreServerAnswer coreServerAnswer)
{
try
{
return(SendAsync_ID(manager.Page.ID, "propertyUpdateFromServer", JsonConvert.SerializeObject(coreServerAnswer)));
}
catch (Exception e)
{
if (manager.Page.OverrideErrorHandle is null)
{
throw;
}
else
{
return(manager.Page.OverrideErrorHandle(e));
}
}
}
/// <summary>
/// Process the changed values of all the properties for the controls in the specified page
/// </summary>
/// <param name="pageId"></param>
/// <returns></returns>
internal async Task <CoreServerAnswer> ProcessPropertyChange(bool forceAllProperties)
{
await(OnBeforeServerUnlocked?.Invoke(Page) ?? Task.CompletedTask);
var answer = new CoreServerAnswer();
// chose between ALL controls and just the newly modified ones, depending on the parameter provided
var controls = forceAllProperties ? Controls.Select(x => new
{
x.Key,
Properties = (IReadOnlyCollection <Property>)x.Value.Properties.Values
}) : Page.ChangedProperties.Select(x => new
{
Key = x.Key.Id,
Properties = (IReadOnlyCollection <Property>)x.Value
});
Page.ChangedProperties = new Dictionary <ControlBase, Queue <Property> >(); // reset it in case someone changes anything inside
// for each controls
foreach (var controlWithChangedProperties in controls)
{
if (controlWithChangedProperties.Key == null) // shouldn't happen but hey.. who knows..
{
continue;
}
ControlBase control;
try
{
control = GetControl(controlWithChangedProperties.Key);
}
catch (KeyNotFoundException)
{
continue; // skip error, the control is probably simply deleted already
}
if (control.NewlyAddedDynamicControl)
{
continue;
}
var controlProperties = new ExistingControlProperty()
{
id = controlWithChangedProperties.Key
};
// for each properties that has changed in the control
foreach (var property in controlWithChangedProperties.Properties)
{
// add the property to be sent to client
controlProperties.properties.Add(new ControlProperty_NoId()
{
property = property.Name,
value = property.ParseValueToClient == null ? property.Value : property.ParseValueToClient(property.Value)
});
// call the update from server event
property.UpdateValue();
}
if (controlProperties.properties.Count != 0)
{
answer.ChangedProperties.Add(controlProperties);
}
var events = control.ExtractPendingCustomEvents();
if (events.Count != 0)
{
answer.CustomEvents[control.Id] = events;
}
}
foreach (var pendingNewControl in PendingNewControls)
{
var events = pendingNewControl.Value.ExtractPendingCustomEvents();
if (events.Count != 0)
{
answer.CustomEvents[pendingNewControl.Value.Id] = events;
}
}
answer.NewControls = GetNewDynamicControls();
if (PendingDeletionControls.Count != 0)
{
answer.DeletedControls = PendingDeletionControls;
PendingDeletionControls = new List <string>();
}
if (answer.ChangedProperties.Count == 0)
{
answer.ChangedProperties = null;
}
if (answer.CustomEvents.Count == 0)
{
answer.CustomEvents = null;
}
if (answer.NewControls.Count == 0)
{
answer.NewControls = null;
}
return(answer);
}
