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105 lines
No EOL
2.8 KiB
C++
105 lines
No EOL
2.8 KiB
C++
#include "RichText.h"
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namespace Upp {
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struct RichNumberField : RichPara::FieldType {
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virtual Array<RichPara::Part> Evaluate(const String& param, VectorMap<String, Value>& vars,
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const RichPara::CharFormat& fmt) {
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String h = AsString(vars.Get(param, Null));
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Array<RichPara::Part> ps;
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RichPara::Part& p = ps.Add();
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p.format = fmt;
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if(!IsNull(vars.Get("__DISPLAY_VALUE_FIELDS", Null)))
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p.format.paper = WhiteGray();
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p.text = h.ToWString();
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return ps;
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}
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};
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INITBLOCK {
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RichPara::Register<RichNumberField>("VALUE");
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}
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RichText& GetHeaderFooterText(RichText *text, int page, int pagecount)
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{
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VectorMap<String, Value> vars;
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vars.Add("PAGENUMBER", page + 1);
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vars.Add("PAGECOUNT", pagecount);
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text->EvaluateFields(vars);
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return *text;
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}
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void RichContext::NewHeaderFooter(RichText *header_, RichText *footer_)
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{
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page.top -= header_cy;
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page.bottom += footer_cy;
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header = header_;
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footer = footer_;
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int cx = page.GetWidth();
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header_cy = header ? GetHeaderFooterText(header, 999990, 999990).GetHeight(cx) : 0;
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footer_cy = footer ? GetHeaderFooterText(footer, 999990, 999990).GetHeight(cx) : 0;
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int maxcy = page.GetHeight();
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if(maxcy < INT_MAX / 2)
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maxcy = maxcy * 4 / 5;
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if(header_cy + footer_cy > maxcy)
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header_cy = footer_cy = 0;
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page.top += header_cy;
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page.bottom -= footer_cy;
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}
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RichContext RichText::Context(const Rect& page, PageY py, RichText *header, RichText *footer) const
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{
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RichContext rc(style, this);
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rc.page = page;
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rc.py = py;
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rc.NewHeaderFooter(header, footer);
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if(rc.py.y < rc.page.top)
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rc.py.y = rc.page.top;
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return rc;
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}
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void RichText::PaintHeaderFooter(PageDraw& pw, const Rect& page, const PaintInfo& pi_,
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int from_page, int to_page) const
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{
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PaintInfo pi = pi_;
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pi.sell = pi.selh = 0;
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RichContext rc = Context(page);
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int last_page = -1;
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int pagecount = GetHeight(page).page + 1;
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for(int i = 0; i < GetPartCount() && last_page <= to_page; i++) {
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while(last_page < rc.py.page) {
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last_page++;
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if(rc.header || rc.footer) {
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if(rc.header_cy)
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GetHeaderFooterText(rc.header, last_page, pagecount).Paint(pw, PageY(last_page, page.top), page, pi);
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if(rc.footer_cy)
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GetHeaderFooterText(rc.footer, last_page, pagecount).Paint(pw, PageY(last_page, page.bottom - rc.footer_cy), page, pi);
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}
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}
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RichContext begin;
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Advance(i, rc, begin);
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}
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}
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void SetQTF(One<RichText>& txt, const String& qtf)
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{
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txt.Clear();
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if(qtf.GetCount())
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txt.Create() = ParseQTF(qtf);
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}
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void RichTxt::SetHeaderQtf(const char *qtf)
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{
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header_qtf = qtf;
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SetQTF(header, header_qtf);
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r_type = ALL;
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}
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void RichTxt::SetFooterQtf(const char *qtf)
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{
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footer_qtf = qtf;
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SetQTF(footer, footer_qtf);
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r_type = ALL;
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}
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} |