FilterPaginate Class Reference

The implementation of the "paginate" filter. More...

Static Public Member Functions
static TemplateVariant	apply (const TemplateVariant &v, const TemplateVariant &args)

Detailed Description

The implementation of the "paginate" filter.

Definition at line 1053 of file template.cpp.

Member Function Documentation

static TemplateVariant FilterPaginate::apply ( const TemplateVariant &  v, const TemplateVariant &  args  )

inlinestatic

Definition at line 1056 of file template.cpp.

References TemplateList::alloc(), TemplateList::append(), TemplateListIntf::createIterator(), TemplateListIntf::ConstIterator::current(), TemplateVariant::Integer, TemplateVariant::isValid(), TemplateVariant::List, TemplateListIntf::ConstIterator::toFirst(), TemplateVariant::toInt(), TemplateVariant::toList(), TemplateListIntf::ConstIterator::toNext(), and TemplateVariant::type().

    {
      if (v.isValid() && v.type()==TemplateVariant::List &&
          args.isValid() && args.type()==TemplateVariant::Integer)
      {
        int pageSize = args.toInt();
        TemplateListIntf *list   = v.toList();
        TemplateList     *result = TemplateList::alloc();
        TemplateListIntf::ConstIterator *it = list->createIterator();
        TemplateVariant   item;
        TemplateList     *pageList=0;
        int i = 0;
        for (it->toFirst();(it->current(item));it->toNext())
        {
          if (pageList==0)
          {
            pageList = TemplateList::alloc();
            result->append(pageList);
          }
          pageList->append(item);
          i++;
          if (i==pageSize) // page is full start a new one
          {
            pageList=0;
            i=0;
          }
        }
        delete it;
        return result;
      }
      else // wrong arguments
      {
        return v;
      }
    }

---

The documentation for this class was generated from the following file:

• template.cpp