private void FunctionValuesValuesChanged(object sender, MultiDimensionalArrayChangingEventArgs args)
{
var e = args;
IVariable variable = null; //lazy initialize
//performance tweak
if (!doNotCheckForDependentVariableResize)
{
//handle internal consistency:
variable = GetVariableForArray((MultiDimensionalArray)sender);
if (variable.IsIndependent)
{
ResizeDependendFunctionValuesForArgument(variable, e.Action, args.Index, args.OldIndex, e.Shape[0]);
}
}
if (!FireEvents || FunctionValuesChanged == null) // don't send up
{
return;
}
//raise event to the outside world if the store is consistent.
variable = variable ?? GetVariableForArray((MultiDimensionalArray)sender);
var newArgs = GetValuesChangedEventArgs(e, variable);
FunctionValuesChanged(this, newArgs);
}
// TODO: make it ValuesChanged
private void FunctionValuesValuesChanged(object sender, MultiDimensionalArrayChangingEventArgs args)
{
var e = args;
//update dependend arrays
var array = (MultiDimensionalArray)sender;
//it this OK?
IVariable variable = GetVariableForArray(array);
if (variable.IsIndependent)
{
ResizeDependendFunctionValuesForArgument(variable, e.Action, args.Index, args.OldIndex, e.Shape[0]);
}
if (!FireEvents) // don't send up
{
return;
}
//raise event to the outside world if the store is consistent.
if (FunctionValuesChanged != null)
{
FunctionValuesChangingEventArgs valuesChangedEventArgs = GetValuesChangedEventArgs(e, variable);
FunctionValuesChanged(this, valuesChangedEventArgs);
}
}
private void FireCollectionChanged(NotifyCollectionChangeAction action, IList values, int index1d, int oldIndex1d, int[] shape)
{
if (CollectionChanged == null)
{
return;
}
var eventArgs = new MultiDimensionalArrayChangingEventArgs(action, values, index1d, oldIndex1d, stride, shape);
CollectionChanged(this, eventArgs);
}
private MultiDimensionalArrayChangingEventArgs FireCollectionChanging(NotifyCollectionChangeAction action, IList values, int index1d, int[] itemsShape)
{
if (CollectionChanging == null)
{
return(null);
}
var eventArgs = new MultiDimensionalArrayChangingEventArgs(action, values, index1d, -1, stride, itemsShape);
CollectionChanging(this, eventArgs);
return(eventArgs);
}
private static FunctionValuesChangingEventArgs GetValuesChangedEventArgs(MultiDimensionalArrayChangingEventArgs e, IVariable variable)
{
return(new FunctionValuesChangingEventArgs
{
Action = e.Action,
Items = e.Items,
Index = e.Index,
OldIndex = -1,
Stride = e.Stride,
Shape = e.Shape,
Function = variable
});
}
// TODO: make it ValuesChanging
private void FunctionValuesValuesChanging(object sender, MultiDimensionalArrayChangingEventArgs args)
{
if (!FireEvents || FunctionValuesChanging == null) // don't send up
{
return;
}
var e = args;
var array = (MultiDimensionalArray)sender;
var variable = GetVariableForArray(array);
//todo handle/bubble event the complex
var valuesChangedEventArgs = GetValuesChangedEventArgs(e, variable);
FunctionValuesChanging(this, valuesChangedEventArgs);
args.Items = valuesChangedEventArgs.Items;
args.Index = valuesChangedEventArgs.Index;
args.Cancel = valuesChangedEventArgs.Cancel;
}
