protected override void InitializePropertiesForViewing()
{
if (ExpressionElementBlock != null)
{
ExpressionElementBlock.Children.ToList().ForEach(x =>
{
x.PropertyChanged -= OnViewModelPropertyChangedUI;
if (x is CompositeElement)
{
(x as CompositeElement).Children.CollectionChanged -= OnViewModelCollectionChangedUI;
}
});
}
if (this is ICaseRuleOverviewStepViewModel || !IsWizardMode)
{
if (InnerItem.PredicateVisualTreeSerialized == null)
{
ExpressionElementBlock = new CaseRuleExpressionBlock(this);
}
else
{
ExpressionElementBlock = SerializationUtil.Deserialize <TypedExpressionElementBase>(InnerItem.PredicateVisualTreeSerialized);
ExpressionElementBlock.InitializeAfterDeserialized(this);
}
SetHandlers(ExpressionElementBlock);
OnPropertyChanged("ExpressionElementBlock");
}
}
protected virtual void InitializeExpressionElementBlock()
{
// Should be override in derived classes to setup ExpressionElementBlock if IsWizardMode == true
OnUIThread(() =>
{
if (string.IsNullOrEmpty(InnerItem.PredicateVisualTreeSerialized))
{
throw new NotImplementedException(); // PredicateVisualTreeSerialized should be not null
}
ExpressionElementBlock = SerializationUtil.Deserialize <TypedExpressionElementBase>(InnerItem.PredicateVisualTreeSerialized);
ExpressionElementBlock.InitializeAfterDeserialized(this);
OnPropertyChanged("ExpressionElementBlock");
});
}
protected virtual void InitializeExpressionElementBlock()
{
OnUIThread(() =>
{
if (InnerItem.PredicateVisualTreeSerialized == null)
{
ExpressionElementBlock = new PriceListAssignmentExpression(this);
}
else
{
ExpressionElementBlock = SerializationUtil.Deserialize <TypedExpressionElementBase>(InnerItem.PredicateVisualTreeSerialized);
ExpressionElementBlock.InitializeAfterDeserialized(this);
}
OnPropertyChanged("ExpressionElementBlock");
});
}
protected override void InitializePropertiesForViewing()
{
if (this is IDisplayTemplateConditionsStepViewModel || !IsWizardMode)
{
OnUIThread(() =>
{
if (InnerItem.PredicateVisualTreeSerialized == null)
{
ExpressionElementBlock = new DisplayTemplateExpressionBlock(this);
}
else
{
ExpressionElementBlock =
SerializationUtil.Deserialize <TypedExpressionElementBase>(
InnerItem.PredicateVisualTreeSerialized);
ExpressionElementBlock.InitializeAfterDeserialized(this);
}
((DisplayTemplateExpressionBlock)ExpressionElementBlock).InitializeAvailableExpressions(
(TargetTypes)InnerItem.TargetType);
OnPropertyChanged("ExpressionElementBlock");
});
}
}
