protected SPModelQuery ApplyFilters()
{
CamlExpression expression = originalExpression;
if (expression == Caml.False || expressionForCTFilter == Caml.False)
{
return(this);
}
foreach (ISPModelQueryFilter filter in filters)
{
if (filter.ShouldTransformExpression(this))
{
ISPModelQueryFilter clone = (ISPModelQueryFilter)filter.Clone();
expression = clone.TransformExpression(this, expression);
if (expression == Caml.False)
{
break;
}
}
}
if (expression != this.Expression)
{
SPModelQuery result = (SPModelQuery)MemberwiseClone();
result.originalExpression = expression;
result.expression = null;
return(result);
}
return(this);
}
public virtual bool ShouldTransformExpression(SPModelQuery query)
{
return(true);
}
CamlExpression ISPModelQueryFilter.TransformExpression(SPModelQuery query, CamlExpression expression)
{
Initialize(query);
return(base.Visit(expression));
}
protected virtual void Initialize(SPModelQuery query)
{
}
protected override void Initialize(SPModelQuery query)
{
SPList list = query.Manager.ContextLists.First().EnsureList(query.Manager.ObjectCache).List;
this.allowedFields = list.Fields.OfType <SPField>().Select(v => v.InternalName).ToArray();
}
public override bool ShouldTransformExpression(SPModelQuery query)
{
return(!query.ForceKeywordSearch && query.Manager.ImplicitQueryMode == SPModelImplicitQueryMode.ListQuery);
}