#ifndef _reslistpager_h_included_
#define _reslistpager_h_included_
/* @(#$Id: reslistpager.h,v 1.4 2008-12-16 14:20:10 dockes Exp $ (C) 2007 J.F.Dockes */
#include <vector>
using std::vector;
#include "refcntr.h"
#include "docseq.h"
class PlainToRich;
class HiliteData;
/**
* Manage a paged HTML result list.
*/
class ResListPager {
public:
ResListPager(int pagesize=10);
virtual ~ResListPager() {}
void setHighLighter(PlainToRich *ptr)
{
m_hiliter = ptr;
}
void setDocSource(RefCntr<DocSequence> src)
{
m_pagesize = m_newpagesize;
m_winfirst = -1;
m_hasNext = false;
m_docSource = src;
m_respage.clear();
}
void setPageSize(int ps)
{
m_newpagesize = ps;
}
int pageNumber()
{
if (m_winfirst < 0 || m_pagesize <= 0)
return -1;
return m_winfirst / m_pagesize;
}
int pageFirstDocNum() {
return m_winfirst;
}
int pageLastDocNum() {
if (m_winfirst < 0 || m_respage.size() == 0)
return -1;
return m_winfirst + m_respage.size() - 1;
}
virtual int pageSize() const {return m_pagesize;}
void pageNext();
bool hasNext() {return m_hasNext;}
bool hasPrev() {return m_winfirst > 0;}
bool atBot() {return m_winfirst <= 0;}
void resultPageFirst() {
m_winfirst = -1;
m_pagesize = m_newpagesize;
resultPageNext();
}
void resultPageBack() {
if (m_winfirst <= 0) return;
m_winfirst -= 2 * m_pagesize;
resultPageNext();
}
void resultPageNext();
void displayPage();
void displayDoc(int idx, Rcl::Doc& doc, const HiliteData& hdata,
const string& sh = "");
bool pageEmpty() {return m_respage.size() == 0;}
string queryDescription() {return m_docSource.isNull() ? "" :
m_docSource->getDescription();}
// Things that need to be reimplemented in the subclass:
virtual bool append(const string& data);
virtual bool append(const string& data, int, const Rcl::Doc&)
{
return append(data);
}
// Translation function. This is reimplemented in the qt reslist
// object For this to work, the strings must be duplicated inside
// reslist.cpp (see the QT_TR_NOOP in there). Very very unwieldy.
// To repeat: any change to a string used with trans() inside
// reslistpager.cpp must be reflected in the string table inside
// reslist.cpp for translation to work.
virtual string trans(const string& in);
virtual string detailsLink();
virtual const string &parFormat();
virtual string nextUrl();
virtual string prevUrl();
virtual string pageTop() {return string();}
virtual string iconPath(const string& mtype);
virtual void suggest(const vector<string>, vector<string>&sugg) {
sugg.clear();
}
private:
int m_pagesize;
int m_newpagesize;
// First docnum (from docseq) in current page
int m_winfirst;
bool m_hasNext;
PlainToRich *m_hiliter;
RefCntr<DocSequence> m_docSource;
vector<ResListEntry> m_respage;
};
#endif /* _reslistpager_h_included_ */